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Tytuł:
Microprocessor controllers versus PLC
Sterowniki mikroprocesorowe kontra PLC
Autorzy:
Staszewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/410571.pdf
Data publikacji:
2011
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
microprocessor controller
Programmahle Logic Controller
PLC
Opis:
This paper describes microprocessor controllers and Programmable Logic Controllers for industry applications. The differences in hardware and in programming are presented.
W artykule opisano klasyczne sterowniki mikroprocesorowe oraz programowalne sterowniki logiczne PLC pod kątem ich użycia w aplikacjach przemysłowych. Zostały zaprezentowane podstawowe różnice zarówno w budowie sprzętowej jak i oprogramowaniu.
Źródło:
Present Problems of Power System Control; 2011, 1; 23-28
2084-2201
Pojawia się w:
Present Problems of Power System Control
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods of controller synthesis using linear matrix inequalities and model predictive control
Autorzy:
Miller, A.
Rybczak, M.
Powiązania:
https://bibliotekanauki.pl/articles/135474.pdf
Data publikacji:
2015
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
controller synthesis
LMI
MPC
predictive controller
controller synthesis methods
optimization methods
Opis:
Controllers based on linear matrix inequalities (LMI) and model predictive control (MPC) both use optimization methods; there are however significant differences between them. In case of LMI controllers, optimization is carried out during controller synthesis, because LMI’s are an optimization tool that requires a linear programming problem being solved. With MPC controllers, however, optimization methods are not used as much in controller synthesis as in controller algorithm operation, to determine optimal control signal values based on the found minimum of the criteria function. A square function is used with boundaries from above and below, which requires a square programming problem, with boundaries for decision variables, being solved. In this paper controller synthesis methods using LMI and MPC are shown, with a focus on the steps that need to be performed, and a comparison of both methods.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 43 (115); 22-28
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An efficiency no adaptive backstepping speed controller based direct torque control
Autorzy:
Ghezouani, A.
Gasbaoui, B.
Ghouili, J.
Benayed, A. A.
Powiązania:
https://bibliotekanauki.pl/articles/384812.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
backstepping
induction motor
DTC
PI controller
fuzzy controller
Opis:
The most problem of direct torque control are high torque ripple and Settling time to overcome this problem an efficiency Backstopping speed controller are proposed. This paper makes a comparison of the effectiveness of three PI speed controller based direct torque control, the first one is the classical PI speed controller (CL-PISC), the second are no Adaptive Backstepping controller (NABACKSC), and the third type are adaptive fuzzy PI controller (AF-PISC). The parameters of adaptive fuzzy PI are dynamically adjusted with the assistance of fuzzy logic controller. The non-Adaptive Backstopping controller is designed based on the Lyapunov stability theorem. The direct torque control is very adapted for electric propulsion systems; we apply this new strategy for an 15 Kw induction motor. The proposed PI controllers are simulated in MATLAB SIMULINK environment. The simulation results confirmed that the NA-BACKSC, present robust and the best dynamic behavior on direct torque control compared to AF-PISC and CL-PISC.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2017, 11, 1; 57-63
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation Strategy for Dual Wheel Mobile Robot Control
Autorzy:
Soomro, Z. A.
Powiązania:
https://bibliotekanauki.pl/articles/384911.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
mobile robot
P controller
PI controller
Simulink simulation
Opis:
This paper deals with modeling and control strategies of the motion of wheeled mobile robots. The model of the vehicle has two driving wheels and the angular velocities of the two wheels are independently controlled. To illustrate how the kinematics model of the system can be used to design P controller and a PI controller is applied. The nonlinear and linearlised models are simulated in MATLAB® and simulink. The results are drawn here to evaluate the performance of the proposed controllers with concerned graphics.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2014, 8, 4; 20-23
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impedance controllers for electri - driven robots
Autorzy:
Jezierski, E.
Gmerek, A.
Powiązania:
https://bibliotekanauki.pl/articles/384369.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
impedance controller
admittance controller
2DOF manipulator
BLDC drive
Opis:
This article presents a proposal of impedance controller, which is able to infulence the compliance of a robot, based on information obtained from a lowlevel controller about robot interaction with the environment. The proposed system consists of a lowlevel controller with proximity sensor, based on which mechanical impedance is adjusted. The intention of the creators was to develop a universal impedance regulator in the sense of hardware and software layers. Because of TCP/IP architecture, the designed regulator can be easily adapted to different robot controllers. Experiments were conducted on a real 1-DOF manipulator driven by BLDC motor, as well as using simulation on a 2DOF planar robot.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2013, 7, 4; 13-20
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unified design method of time delayed PI controller for first order plus dead-time process models with different dead-time to time constant ratio
Autorzy:
Pathiran, Arun R.
Muniraj, R.
Iruthayarajan, M. Willjuice
Prabhu, S. R. Boselin
Jarin, T.
Powiązania:
https://bibliotekanauki.pl/articles/1409359.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PI controller
time delayed PI controller
dead-time compensation
Opis:
The time delay element present in the PI controller brings dead-time compensation capability and shows improved performance for dead-time processes. However, design of robust time delayed PI controller needs much responsiveness for uncertainty in dead-time processes. Hence in this paper, robustness of time delayed PI controller has been analyzed for First Order plus Dead-Time (FOPDT) process model. The process having dead-time greater than three times of time constant is very sensitive to dead-time variation. A first order filter is introduced to ensure robustness. Furthermore, integral time constant of time delayed PI controller is modified to attain better regulatory performance for the lag-dominant processes. The FOPDT process models are classified into dead-time/lag dominated on the basis of dead-time to time constant ratio. A unified tuning method is developed for processes with a number of dead-time to time constant ratio. Several simulation examples and experimental evaluation are exhibited to show the efficiency of the proposed unified tuning technique. The applicability to the process models other than FOPDT such as high-order, integrating, right half plane zero systems are also demonstrated via simulation examples.
Źródło:
Archives of Control Sciences; 2021, 31, 2; 447-476
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of the mobile robot using controllers of types P, PI, PID
Autorzy:
Skrobek, D.
Cekus, D.
Zając, T.
Powiązania:
https://bibliotekanauki.pl/articles/122354.pdf
Data publikacji:
2018
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
line-follower
mobile robot
controller P
controller PI
controller PID
robot mobilny
kontroler P
kontroler PI
kontroler PID
Opis:
The paper presents a method for control of a mobile robot. The task of the Line-follower was to cover the route set programmatically as accurately as possible using the controllers P, PI or PID without the use of sensors to detect the line. The work also consists of a description of the mobile robot development and the results of the experimental research with discussion.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2018, 17, 1; 69-78
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Controlling w paradygmacie interpretatywno-symbolicznym: metafora controllera a jego rola w przedsiębiorstwie
Controlling in interpretative-symbolic paradigm: controller’s metaphor and his role in company
Autorzy:
Nowak, Marta
Powiązania:
https://bibliotekanauki.pl/articles/593097.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Controller
Controlling
Metafora
Metaphor
Opis:
Przedstawione w niniejszym artykule rozważania przyjmują spojrzenie prezentowane w interpretacyjno-symbolicznym paradygmacie nauk o zarządzaniu. Badania mają charakter jakościowy. Celami opracowania są: a) określenie roli controllera w przedsiębiorstwie poprzez analizę istniejących jego metafor, b) zaproponowanie własnej metafory controllera oddającej jego rolę w przedsiębiorstwach stosujących controlling rozumiany w ujęciu zarządczym. Postawiono następujące pytanie badawcze: W jaki sposób metafory controllera objaśniają jego rolę w zarządzaniu przedsiębiorstwem?
The discourse presented in this paper is conducted from the interpretativesymbolic management paradigm viewpoint. The research has the qualitative character. The objectives are following: a) defining of controller’s role in company by the analysis of existing controller metaphors, b) elaboration of author’s own metaphor of controller, defining controller’s role in company where controlling is understood in managerial dimension. The following research question was addressed: In which manner the controller’s metaphors explain his role in company management.
Źródło:
Studia Ekonomiczne; 2018, 369; 173-183
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discrete-time switching state-space controller of DC drive
Autorzy:
Sieklucki, G.
Bisztyga, B.
Sykulski, R.
Zdrojewski, A.
Orzechowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/230000.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DC drive
state variable constraints
switching gain matrix controller
state variables controller
Opis:
Control synthesis with state variables constraints for the DC drive is considered. Constraints are defined for the specific operating states of the DC motor during starting and braking in the presence of selected specific conditions. The control signal is based on the reference values and current state of the motor. The inverse dynamics method is applied. Closed-loop control law is realized by means of switching state-space controller.
Źródło:
Archives of Control Sciences; 2013, 23, 3; 333-349
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration and in-field gains selection of flight and navigation controller for remotely piloted aircraft system
Autorzy:
Słowik, M.
Ołdziej, D.
Gosiewski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/386917.pdf
Data publikacji:
2017
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
remotely piloted aircraft systems
unmanned aerial vehicle
autopilot
flight controller
navigation controller
Opis:
In the paper the implementation process of commercial flight and navigational controller in own aircraft is shown. The process of autopilot integration were performed for the fixed-wing type of unmanned aerial vehicle designed in high-wing and pull configuration of the drive. The above equipment were integrated and proper software control algorithms were chosen. The correctness of chosen hardware and software solution were verified in ground tests and experimental flights. The PID controllers for longitude and latitude controller channels were selected. The proper deflections of control surfaces and stabilization of roll, pitch and yaw angles were tested. In the next stage operation of telecommunication link and flight stabilization were verified. In the last part of investigations the preliminary control gains and configuration parameters for roll angle control loop were chosen. This enable better behavior of UAV during turns. Also it affected other modes of flight such as loiter (circle around designated point) and auto mode where the plane executed a pre-programmed mission.
Źródło:
Acta Mechanica et Automatica; 2017, 11, 1; 33-37
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation and verification of course controllers in the inland navigation simulator (InSim)
Autorzy:
Zalewski, P.
Powiązania:
https://bibliotekanauki.pl/articles/360097.pdf
Data publikacji:
2013
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
InSim
shiphandling simulation
PID controller
fuzzy controller
ship’s course control algorithm
Opis:
The formal verification of performance properties of a ship’s course control algorithm used in the InSim simulator of Maritime University of Szczecin is presented in the paper. Implementation of fuzzification, fuzzy rules and defuzzification techniques allowed the construction of a controller tuned in accordance to expert knowledge as an alternative to the industry PID standard. Both controllers’ structures are analysed. Their verification leads to the assessment and comparison of dynamic properties of a modelled ship’s course control. Further development of course controllers into track controllers has been discussed as well.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 1; 188-194
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automatyczna implementacja programowo-sprzętowa algorytmów sterowania w układach FPGA
Automatic software-hardware implementation of control algorithms in FPGA
Autorzy:
Petko, M.
Lubieniecki, M.
Staworko, M.
Powiązania:
https://bibliotekanauki.pl/articles/156827.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
implementacja sterowania
architektury sterowników
układy programowalne
FPGA
controller implementation
controller architectures
programmable devices
Opis:
W artykule przedstawiono procedurę sprzętowo-programowej implementacji algorytmów sterowania w systemie w układach programowalnych opartej na automatycznej generacji kodu części sprzętowej i programowej ze schematu Simulinka. Opracowany generator kodu umożliwia syntezę komponentów sprzętowych, kompilację programu z interfejsami części sprzętowej dla mikroprocesora typu soft-core oraz dokładną symulację zaimplementowanego algorytmu w Simulinku. Metodologia i narzędzie zostały zweryfikowane na przykładzie sterownika robota równoległego.
The paper presents a procedure of control algorithms hardware-software implementation in a System-on-a-Programmable-Chip based on automatic generation of a code for hardware and software parts and their interfaces from a Simulink model. The developed code generator allows for synthesis of hardware components, compilation of a program with hardware interfaces for the soft-processor and accurate simulation of the implemented algorithm in Simulink. The methodology and tools were verified in a case study of a parallel robot control algorithm. Section 2 contains assumptions for the procedure, Section 3 - its description. Section 4 covers the automation method and describes functions of the code generator software. The automated design flow that includes the code generator is shown in Fig. 2. The code generator products and their use are presented in Fig. 3. The example of the parallel robot controller implementation is given in Section 5. The robot control algorithm scheme in Simulink is presented in Fig. 4. The obtained results show that the differences between the values of the control signal produced in FPGA and those in Simulink (Fig. 5) are smaller than the resolution of the output digital-to-analog converter. It proves that the considered procedure and code generator software correctly transformed the control system from the Simulink scheme. The presented tool enables fast, error free FPGA implementation of control algorithms specified on a high level of abstraction.
Źródło:
Pomiary Automatyka Kontrola; 2009, R. 55, nr 5, 5; 297-300
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozmyty samonastrajalny regulator cyfrowy PID w układzie sterowania poziomem wody
Digital fuzzy-PID self-tuning controller in a double water tank cascade
Autorzy:
Tomera, M.
Powiązania:
https://bibliotekanauki.pl/articles/267592.pdf
Data publikacji:
2013
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
regulator samonastrajalny
regulator PID
sterowanie rozmyte
self-tuning controller
PID controller
fuzzy control
Opis:
W celu rozwiązania problemu dokładnego sterowania obiektem nieliniowym, zaprojektowany został rozmyty samonastrajalny regulator cyfrowy PID łączący w sobie zalety układu wnioskowania rozmytego i prostotę regulatora PID. Zaprojektowany regulator składa się z regulatora rozmytego i z regulatora PID. W celu poprawy jakości sterowania, w zależności od wartości uchybu i szybkości zmian uchybu układu regulacji oraz reguł sterowania rozmytego, regulator rozmyty może stroić na bieżąco trzy parametry regulatora PID. Wartości początkowe parametrów regulatora cyfrowego PID wyznaczone zostały z wykorzystaniem klasycznej teorii sterowania liniowego metodą lokowania biegunów. Zaprojektowany regulator zastosowany został do sterowania poziomem wody w dolnym zbiorniku w układzie kaskadowym dwóch zbiorników. Badania wstępne układu sterowania przeprowadzone zostały w Simulinku z użyciem modeli symulacyjnych. Badania docelowe wykonane zostały w układzie sterującym obiektem rzeczywistym z poziomu Matlaba/Simulinka z wykorzystaniem przybornika RealTime Windows Target poprzez kartę wejść i wyjść analogowych PCI-1710, produkowaną przez firmę Advantech. Uzyskane wyniki badań pokazują, że zaproponowany układ sterowania ma mniejsze przeregulowania i krótszy czas regulacji, niż układ sterowania wykorzystujący konwencjonalny regulator cyfrowy PID o stałych wartościach parametrów.
In order to solve the problem of accurate control of the nonlinear system, a digital fuzzy-PID self-tuning controller was designed by combining the advantages of fuzzy inference system and the simplicity of the PID controller. Designed controller composes of fuzzy controller and digital PID controller. According to the error and error rate of the control system and fuzzy control rules, the fuzzy controller can tune the three parameters of the PID controller in order to improve the quality of control. The initial values of parameters of the digital PID controller were determined using classical linear control theory with the pole placement method. Designed controller was used to control the water level in the lower tank in a double tank cascade system. Preliminary studies of control system were carried out in Simulink using simulation models. The target research were made in system controlling the real object using Matlab/Simulink and the Real-Time Windows Target Toolbox through I/O PCI-1710 card produced by Advantech. Presented research results show that proposed control scheme has smaller overshoot and shorter settling time than control system which uses classical digital PID controller with constant values of parameters.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2013, 36; 165-170
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Intermittent power smoothing control for grid connected hybrid wind/PV system using battery-EDLC storage devices
Autorzy:
Jayalakshmi, N.S.
Gaonkar, D.N.
Karthik, R.P.
Prasanna, P.
Powiązania:
https://bibliotekanauki.pl/articles/141664.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
energy storage devices
inverter controller
MPPT controller
power smoothing
PV system
wind power
Opis:
Wind and solar radiation are intermittent with stochastic fluctuations, which can influence the stability of operation of the hybrid system in the grid integrated mode of operation. In this research work, a smoothing control method for mitigating output power variations for a grid integrated wind/PV hybrid system using a battery and electric double layer capacitor (EDLC) is investigated. The power fluctuations of the hybrid system are absorbed by a battery and EDLC during wide variations in power generated from the solar and wind system, subsequently, the power supplied to the grid is smoothened. This makes higher penetration and incorporation of renewable energy resources to the utility system possible. The control strategy of the inverter is realized to inject the power to the utility system with the unity power factor and a constant DC bus voltage. Both photovoltaic (PV) and wind systems are controlled for extracting maximum output power. In order to observe the performance of the hybrid system under practical situations in smoothing the output power fluctuations, one-day practical site wind velocity and irradiation data are considered. The dynamic modeling and effectiveness of this control method are verified in the MATLAB/Simulink environment. The simulation results show that the output power variations of the hybrid wind/PV system can be significantly mitigated using the combination of battery and EDLC based storage systems. The power smoothing controller proposed for the hybrid storage devices is advantageous as compared to the control technique which uses either battery or ultracapacitor used for smoothing the fluctuating power.
Źródło:
Archives of Electrical Engineering; 2020, 69, 2; 433-453
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation-based design of monotonically convergent iterative learning control for nonlinear systems
Autorzy:
Delchev, K.
Powiązania:
https://bibliotekanauki.pl/articles/229340.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
simulation-based design
iterative learning control
nonlinear dynamic systems
learning controller
feedback controller
Opis:
This paper deals with a simulation-based design of model-based iterative learning control (ILC) for multi-input, multi-output nonlinear time-varying systems. The main problem of the implementation of the nonlinear ILC in practice is possible inadmissible transient growth of the tracking error due to a non-monotonic convergence of the learning process. A model-based nonlinear closed-loop iterative learning control for robot manipulators is synthesized and its tuning depends on only four positive gains of both controllers - the feedback one and the learning one. A simulation-based approach for tuning the learning and feedback controllers is proposed to achieve fast and monotonic convergence of the presented ILC. In the case of excessive growth of transient errors this approach is the only way for learning gains tuning by using classical engineering techniques for practical online tuning of feedback gains.
Źródło:
Archives of Control Sciences; 2012, 22, 4; 467-480
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration with the software Interface of the com server for authorized user
Autorzy:
Ratov, Denis
Powiązania:
https://bibliotekanauki.pl/articles/1837795.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
automation controller
COM object
authorization
Opis:
The article is devoted to the development of a software controller for automation of access to tools and object model of the multifunctional graphic editor Adobe Photoshop. The work of the graphic editor is initiated in the form of a COM object, which contains methods available to the software controller through the COM interface, which allows the software to use the functionality of the editor. To restrict unauthorized access, a software authorization control protocol is proposed, which is based on the use of binding to the computer hardware and encryption by a 128-bit MD5 public key hashing algorithm.
Źródło:
Applied Computer Science; 2021, 17, 2; 5-13
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electric field influence on a height of rise of a dielectric liquid between two parallel electrodes
Autorzy:
Lackowski, M.
Nowakowska, H.
Powiązania:
https://bibliotekanauki.pl/articles/175224.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
dielectrophoretic force
microchannel flow controller
Opis:
A differential equation for temporal dependence of the liquid height of rise in a microchannel consisted of two parallel plates has been modified to account for a dielectrophoretic force, which is a result of an electric field occurring between the plates. The equation takes into account viscous, surface tension, gravitational forces, capillary entrance pressure and dielectrophoretic force. Numerical calculations have been performed for 2-propanol as a liquid. Time dependence of the height of rise and the velocity of liquid front has been obtained for two cases of the initial liquid height and several values of a voltage applied to the plates.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2016, 133; 109-115
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A distributed control system for multirotor aerial platforms
Autorzy:
Bondyra, A.
Gardecki, S.
Gąsior, P.
Powiązania:
https://bibliotekanauki.pl/articles/114718.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
quadrocopter applications
flight controller
microavionics
Opis:
In a variety of microavionics systems for multirotor flying platforms, only a few are designed as open hardware and software solutions, suitable for scientific research. In this paper, we present our own approach – a modular, distributed control system. The developed solution is adaptive for new tasks, unified between each module and designed in an innovative hardware manner. The presented solution has been already developed in various designs of multirotor platforms intended for different applications.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 343-345
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer simulation of the genetic controller for the EB flue gas treatment process
Autorzy:
Moroz, Z.
Boużyk, J.
Sowiński, M.
Chmielewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/147569.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
genetic algorithm controller
flue gas
Opis:
The use of the computer genetic algorithm (GA) for driving a controller device for the industrial flue gas purification systems employing the electron beam irradiation, has been studied. As the mathematical model of the installation the properly trained artificial neural net (ANN) was used. Various cost functions and optimising strategies of the genetic code were tested. These computer simulations proved, that ANN + GA controller can be sufficiently precise and fast to be applied in real installations.
Źródło:
Nukleonika; 2001, 46, 3; 107-115
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Coherent Adaptive and Rational Action Selection Problem Solution for Mobile Robots
Autorzy:
Szynkarczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/384476.pdf
Data publikacji:
2007
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
robot
data processing
distributed controller
Opis:
The article deals with the issue of controlling the autonomous mobile systems. Considered are problems focusing around the use of distributed architecture controllers. In contrary to hierarchical architecture, all layers of distributed controller are operating simultaneously, and have an access to both: the sensors (receptors), as well as to the executing systems (effectors) of controlled autonomous mobile system. Simultaneous operation of all layers of the distributed architecture controller entails arising of so called action selection problem. This problem consists in continuous taking of decisions: which one of the layers, or which layers of controller, at given moment should have an influence on the movement of controlled object. Discussed is the proposal of a new solution of this problem. Presented are results of experiments with the use of mobile robot.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2007, 1, 1; 54-65
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of parameters of PID controller of agricultural machines drives operation
Identyfikacja parametrów regulatora PID sterującego pracą napędów w maszynie rolniczej
Autorzy:
Maleszka, M.
Wojciechowski, J.
Osmólski, W.
Powiązania:
https://bibliotekanauki.pl/articles/334054.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
PID
controller
coefficient
regulator
współczynnik
Opis:
The article describes the determination and verification of regulator PID coefficients exampled by regulator which is a part of the control system of pumps for liquids. To implement the identification process we used functions available in Matlab. Obtained in the simulation result amounted to 93.59% of setpoint. The effectiveness of the method is illustrated by the graph allowing comparison of the preset value of the variable capacity of the pump operation with the results obtained from the simulation of the arrangement: the control system - the pump.
W artykule przedstawiono opis wyznaczenia i weryfikacji współczynników regulatora PID na przykładzie regulatora w układzie sterującym pompy do substancji płynnych. Do realizacji procesu identyfikacji zastosowano funkcje dostępne w środowisku Matlab. Otrzymany w procesie symulacji wynik wyniósł 93,59% nastawy. Skuteczność metody zilustrowano za pomocą wykresu umożliwiającego porównanie zadanych zmiennych wartości wydajności pracy pompy z wynikami uzyskanymi z symulacji pracy układu: system sterujący - pompa.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2016, 61, 1; 48-51
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On distributed symbolic control of interconnected systems under persistency specifications
Autorzy:
Apaza-Perez, W. Alejandro
Combastel, Christophe
Zolghadri, Ali
Powiązania:
https://bibliotekanauki.pl/articles/1838152.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
symbolic controller synthesis
distributed controller
interconnected system
synteza kontrolera
rozproszony system sterowania
system połączony
Opis:
This paper presents an abstraction-based technique to solve the problem of distributed controller design enforcing persistency specifications for interconnected systems. For each subsystem, controller synthesis is based on local distributed sensor information from other subsystems. An effective method is presented for quantification of such partial information in an abstraction in terms of level sets of Lyapunov-like ranking functions. The results are illustrated on a laboratory hydraulic system.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2020, 30, 4; 629-639
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research trends on fuzzy logic controller for mobile robot navigation : a scientometric study
Autorzy:
Rani, Somiya
Jain, Amita
Castillo, Oscar
Powiązania:
https://bibliotekanauki.pl/articles/384308.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
fuzzy logic controller
autonomous mobile robot navigation
type-2 fuzzy logic
optimized fuzzy controller
Opis:
The present study shows the scientometric analysis of the publications on the fuzzy logic controller in autonomous mobile robot navigation during the period 2000 to 2018. The data is collected using Web of Science core collection database and analyzed at various levels such as Web of Science categories, publication years, document types, funding agencies, authors, research areas, countries or region, control terms, and organization to evaluate the research patterns. An extensive study is done to find the research trends in this area.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2020, 14, 1; 87-108
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Grid-tied converter operated under unbalanced and distorted grid voltage conditions
Autorzy:
Gałecki, A.
Michalczuk, M.
Kaszewski, A.
Ufnalski, B.
Grzesiak, L. M.
Powiązania:
https://bibliotekanauki.pl/articles/200867.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
grid tied converter
AC/DC converter
current controller
resonant controller
particle swarm optimization (PSO)
Opis:
The paper presents a three-phase grid-tied converter operated under unbalanced and distorted grid voltage conditions, using a multi-oscillatory current controller to provide high quality phase currents. The aim of this study is to introduce a systematic design of the current control loop. A distinctive feature of the proposed method is that the designer needs to define the required response and the disturbance characteristic, rather than usually unintuitive coefficients of controllers. Most common approach to tuning a state-feedback controller use linear-quadratic regulator (LQR) technique or pole-placement method. The tuning process for those methods usually comes down to guessing several parameters. For more complex systems including multi-oscillatory terms, control system tuning is unintuitive and cannot be effectively done by trial and error method. This paper proposes particle swarm optimization to find the optimal weights in a cost function for the LQR procedure. Complete settings for optimization procedure and numerical model are presented. Our goal here is to demonstrate an original design workflow. The proposed method has been verified in experimental study at a 10 kW laboratory setup.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 2; 389-398
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Position control of DC motor using fractional order controller
Autorzy:
Ruszewski, A.
Sobolewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/141217.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
position
DC motor
controller
fractional order
Opis:
The paper presents the problem of position control of DC motor with rated voltage 24 V loaded by flywheel. The fractional order PD controller implemented in National Instruments NI ELVIS II programmed in LabView is used for controlling. The simple method for determining stability regions in the controller parameters space is given. Knowledge of these regions permits tuning of the controller and ensures required the phase margin of the system.
Źródło:
Archives of Electrical Engineering; 2013, 62, 3; 505-516
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
PI control of laboratory furnace for annealing of amorphous alloys cores
Autorzy:
Kurek, J. E.
Szewczyk, R.
Salach, J.
Kloda, R.
Powiązania:
https://bibliotekanauki.pl/articles/384934.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
PI controller
resistive furnace
temperature control
Opis:
There are presented theoretical and practical aspects of automatic control of resistive furnace for thermal annealing of magnetic cores made of amorphous alloys. Process of annealing requires specific conditions both from the point of view of temperature and its changes. Solutions presented in the paper create possibility for low value of error as well as fast achievement of set value.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 4; 13-15
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stabilization of Inertial Plant with Time Delay Using Fractional Order Controller
Autorzy:
Ruszewski, A.
Nartowicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/386566.pdf
Data publikacji:
2011
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
sterownik
obwód zamknięty
controller
closed loop
Opis:
The paper presents the problem of designing of a fractional order controller satisfying the conditions of gain and phase margins of the closed-loop system with time-delay inertial plant. The transfer function of the controller follows directly from the use of Bode's ideal transfer function as a reference transfer function for the open loop system. Using the classical D-partition method and the gain-phase margin tester, a simple computational method for determining stability regions in the controller parameters plane is given. An efficient analytical procedure to obtain controller parameter values for specified gain and phase margin requirements is also given. The considerations are illustrated by numerical examples computed in MATLAB/Simulink.
Źródło:
Acta Mechanica et Automatica; 2011, 5, 2; 117-121
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The evaluation of the efficiency of active control system for aerial bomb
Autorzy:
Kowaleczko, G.
Żyluk, A.
Pietraszek, M.
Wijaszka, M.
Powiązania:
https://bibliotekanauki.pl/articles/244285.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
simulation
PID controller
laser-guided bombs
Opis:
The article presents the results of numerical simulation of a laser-guided bomb, which is dropped in calm weather conditions. The prototype of such a bomb was developed at the Air Force Institute of Technology. It was a result of the modification process of the classical training bomb. The modification consisted of building on the bomb's board a detection system to track targets that are designated by laser and a control system to adjust bomb’s glide path to precisely strike the target. In the simulation research, geometric and mass characteristics of the classical training bomb were used. Aerodynamic characteristics of the bomb have been determined using commercial software PRODAS. Using the mathematical model of the bomb spatial motion and model of the laser detection system series of simulations were performed. The main goal was to determine the effectiveness of the adopted construction solution. Therefore, simulations were performed for various initial positions of the bomb and fixed position of the target. It allowed finding the set of control laws coefficients giving the most accuracy of the bomb. The influence of structural modifications of the detection system on the possibility of effective detection and location of the target was also investigated. In the article, exemplary results of numerical calculations performed with the author's software are also shown.
Źródło:
Journal of KONES; 2018, 25, 4; 165-174
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some aspects of vibration control. Part II: An optimal active controller.
Autorzy:
Kosowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/259288.pdf
Data publikacji:
2005
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
active control
mechanical vibrations
optimal controller
Opis:
The paper presents a theoretical method for determining the optimal correction to be introduced in a mechanical system. The active control of harmonic vibrations may be achived by applying a control unit which ought to reduce the vibration amplitude of the selected elements of the system. The proposed method makes it possible to determine the controller parameters which provide an optimum value of the chosen quality index. This criterion includes the reduction of weighted amplitudes of the elements on the one hand, and minimizes energy of the control signal on the other. The described method is suitable for determination of an optimum controller of turbine rotor vibrations caused by bearing oil whip, bearing oil whirl or aerodynamic forces. For the case of rotor self-excited vibrations of aerodynamic type the linear model of excitations was compared with the neural network method.
Źródło:
Polish Maritime Research; 2005, 1; 28-31
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Real Time Virtual Human Hand Using Leap Motion Controller
Autorzy:
Satheeshkumar, R.
Arivoli, R.
Powiązania:
https://bibliotekanauki.pl/articles/1844501.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
gesture
leap motion controller
robotic arm
Opis:
The research of robotics needs a good and accurate control. The proposed concept is touch less and non-verbal communication with the use of leap motion controller. The concept has two major parts: first part is “device perceive hand finger moments and send signal”, second part is robotic hand interfaced with PIC microcontroller which receives signal and controls robotic hand. The paper aims to link virtual environment with real time environment. The virtual environment is consisting of leap motion controller and laptop, real time environment is consisting of microcontroller and robotic arm. In real time environment parodist is converts into virtual environment.
Źródło:
International Journal of Electronics and Telecommunications; 2021, 67, 3; 471-476
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementacja regulatora PID w strukturze FPGA
The FPGA implementation of the PID controller
Autorzy:
Ziębiński, A.
Glinianowicz, M.
Lachowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/156240.pdf
Data publikacji:
2008
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
regulator PID
FPGA
PID controller
implementation
Opis:
W pracy przedstawiono sposób realizacji regulatora PID na matrycy FPGA. Omówiono implementację, wyniki symulacji stworzonego teoretycznego projektu oraz sposób jego fizycznej realizacji. Przedmiotem zainteresowania są możliwości wykonania w postaci cyfrowej jednego z typowych układów regulujących procesami, które dostosowują sygnał sterujący urządzeniem na podstawie aktualnej wartości wyjściowej obiektu. Zastosowana matryca jest rekonfigurowalnym układem ogólnego przeznaczenia, który po zaprogramowaniu pozwoli użytkownikowi wykorzystywanie jej jako regulatora PID bez konieczności nabywania specjalizowanego urządzenia.
This article contains the method of realization the PID controller using the FPGA array. There were described the implementation, results of the simulation of the theoretical project and the methods of physical realization. The main topic is realizability of the digital version of the typical process controller, which adjusts the command signal basing on the output of the device. The used array is reconfigurable general purpose circuit, which after being programmed one can use as a PID controller without necessity of purchasing the specialistic device.
Źródło:
Pomiary Automatyka Kontrola; 2008, R. 54, nr 8, 8; 523-525
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sterowanie obiektu wysokiego rzędu z wykorzystaniem regulatora redukcyjnego
A control of a high-order plant with the use of a cancellation controller
Autorzy:
Oprzędkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/276433.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
sterowanie
regulatory redukcyjne
control
cancellation controller
Opis:
W pracy przedstawiono propozycję syntezy regulatora redukcyjnego obiektu wysokiego rzędu, opisanego transmitancją operatorową. Zasadniczą ideą konstrukcji regulatora jest redukcja słabo tłumionej części transmitancji obiektu. Pełna redukcja tej części transmitancji jest możliwa wyłącznie przy dokładnej znajomości jej parametrów, natomiast wyniki badań symulacyjnych wskazują, że nawet w przypadku niepewności parametrów regulator redukcyjny zapewnia dobrą jakość regulacji.
In the paper the proposition of construction a cancellation controller for high-order control plant is presented. The plant under consideration is described by the transfer function. The main idea of construction of controller is to reduce the poorly damped part of the transfer function. The full reduction of it is possible only if their parameters are well known, but results of simulations allow us to formulate conclusion, that the proposed cancellation controller is able to keep the good control quality also for uncertain parameters of control plant.
Źródło:
Pomiary Automatyka Robotyka; 2010, 14, 7-8; 66-71
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Realizacja praktyczna regulatora niecałkowitego rzędu
Practical realization of fractional-order controller
Autorzy:
Sobolewski, A.
Ruszewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/277399.pdf
Data publikacji:
2011
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
regulator niecałkowitego rzędu
fractional-order controller
Opis:
W pracy przedstawiono praktyczną realizację regulatora niecałkowitego rzędu w sterowniku sbRIO-9631 National Instruments programowanym w środowisku LabVIEW. Obiektem regulacji jest model zespołu silnik-generator z silnikiem prądu stałego. Wielkością regulowana jest prędkość obrotowa wału silnika.
The paper presents the realization of fractional-order controller implemented in sbRIO-9631 controller National Instruments programmed in LabVIEW. As the controlled system is used DC motor-generator plant model. The controlled variable is rotor's speed.
Źródło:
Pomiary Automatyka Robotyka; 2011, 15, 2; 586-594
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FPGA Based Active Magnetic Bearings Controller
Autorzy:
Kulesza, Z. S.
Powiązania:
https://bibliotekanauki.pl/articles/387274.pdf
Data publikacji:
2011
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
sterownik
łożysko magnetyczne
controller
magnetic bearing
Opis:
The article discusses main problems of implementing the PID control law in the FPGA integrated circuit. Consecutive steps of discretizing and choosing the fixed-point representation of the continuous, floating-point PID algorithm are described. The FPGA controller is going to be used in the active hetero-polar magnetic bearings system consisting of two radial and one axial bearings. The results of the experimental tests of the controller are presented. The dynamic performance of the controller is better when compared with the dSPACE controller, that was used so far. The designed hardware and software, the developed implementation procedure and the experience acquired during this stage of the whole project are going to be used during the implementation of more sophisticated control laws (e.g. robust) in the FPGA for AMB controllers.
Źródło:
Acta Mechanica et Automatica; 2011, 5, 2; 59-64
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Auto-tuning of PID controller based on fuzzy logic
Autorzy:
Niewiara, Ł.
Zawirski, K.
Powiązania:
https://bibliotekanauki.pl/articles/97393.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
PID controller
auto-tuning
fuzzy logic
Opis:
Issues related to the automatic selection of the PID controller settings have been known for several years. This article describes the concept of self-tuning using fuzzy logic block (FLB). The FLB represents expert knowledge and in the process serves as the master. It describes the advantages of the designed structure of fuzzy logic simulation system application. The paper contains block diagram descriptions of designed controller and control loop. The designed tuning algorithm bases on quality indicators and rule bases which was described as membership functions. The readjustment of the controller settings takes place in subsequent iterations of the tuning process. Simulation tests result of the proposed tuning system topology were presented. As the simulation environment was used Matlab Simulink.
Źródło:
Computer Applications in Electrical Engineering; 2013, 11; 230-240
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An exponential observer and a controller for a class of nonlinear systems
Autorzy:
Hammami, M. A.
Zribi, M
Kallel, J
Powiązania:
https://bibliotekanauki.pl/articles/229713.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nonlinear system
observer
stability
controller
stabilization
Opis:
In this paper, we study the observer design problem for a class of nonlinear systems. Specifically, we design an exponential observer for a separately excited DC motor. Moreover, a stabilizing controller is designed for the system to ensure the exponential stability of the solutions toward their desired values. Simulations results show that proposed observer is able to reconstruct the states of the system. In addition, the simulation results indicate that the designed controller works well.
Źródło:
Archives of Control Sciences; 2013, 23, 1; 79-92
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractional order PIλDµA controller design based on Bode’s ideal function
Autorzy:
Bettou, Khalfa
Charef, Abdelfatah
Powiązania:
https://bibliotekanauki.pl/articles/27312016.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Bode’s ideal transfer function
fractional order control
classical PIDA controller
fractional order PIDA controller
robustness
Opis:
The fractional order proportional, integral, derivative and acceleration (PIλDµA) controller is an extension of the classical PIDA controller with real rather than integer integration action order λ and differentiation action order µ. Because the orders λ and µ are real numbers, they will provide more flexibility in the feedback control design for a large range of control systems. The Bode’s ideal transfer function is largely adopted function in fractional control systems because of its iso-damping property which is an essential robustness factor. In this paper an analytical design technique of a fractional order PIλDµA controller is presented to achieve a desired closed loop system whose transfer function is the Bode’s ideal function. In this design method, the values of the six parameters of the fractional order PIλDµA controllers are calculated using only the measured step response of the process to be controlled. Some simulation examples for different third order motor models are presented to illustrate the benefits, the effectiveness and the usefulness of the proposed fractional order PIλDµA controller tuning technique. The simulation results of the closed loop system obtained by the fractional order PIλDµA controller are compared to those obtained by the classical PIDA controller with different design methods found in the literature. The simulation results also show a significant improvement in the closed loop system performances and robustness using the proposed fractional order PIλDµA controller design.
Źródło:
Archives of Control Sciences; 2023, 33, 2; 425--458
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badanie procedury samostrojenia cyfrowego regulatora PID
The study of digital PID autotuning procedure
Autorzy:
Obstawski, P.
Powiązania:
https://bibliotekanauki.pl/articles/156908.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
regulator PID
samostrojenie PID
identyfikacja obiektu
PID controller
autotuning PID controller
identification of the control object
Opis:
Przedstawiono procedurę autotuningu altorytmu PID zaimplementowaną w przemysłowym regulatorze cyfrowym. Procedura składa się z dwóch etapów: identyfikacji obiektu regulacji oraz wyliczenia nastaw regulatora PID z jednego z dostępnych kryteriów. W badaniach skupiono się na etapie identyfikacji obiektu regulacji, który można przeprowadzić za pomocą metody Zieglera-Nicholsa i Cohena-Coona. Badania wykonano w warunkach laboratoryjnych co umożliwiło określenie powtarzalności wyników.
The procedure of PID controller autotuning is presented in the paper. It consists of two steps: identification of the control object and calculation of PID controller settings with one of the available criteria. A user has the possibility to interfere in the procedure of autotuning. By the definition value of the specified control register, the user selects the identification method, determines the value of stabilization time and the stabilization deviation as well as defines the criterion of controller settings. The stabilization of deviation and the time of stabilization determine the steady state of the object, and so the duration of the autotuning procedure. This paper is focused on the identification process of the object control, which can be realized by the Ziegler-Nichols and Cohen-Coon methods. Investigations were performed in a laboratory for different combinations of the deviations of stabilization and the stabilization times. This allowed determining the repeatability of the autotuning procedure results. These results show that the identification process accuracy of the object of control depends on the value of the deviation of stabilization and the stabilization time defined by the user. Regardless of the identification method, the value of the deviation of stabilization should be as small as possible and should be on 1% level. In case of identification of the control object by the Ziegler-Nichols method, the minimum value of the stabilization time should be about 25% of the time constant of the control object. In case of identification of the control object by the Cohen-Coon method, the minimum value of the stabilization time should be 45% value of the time constant of the control object. Use of both methods of the control object identification gave reproducible results, which demonstrates the stability of the autotuning procedure.
Źródło:
Pomiary Automatyka Kontrola; 2014, R. 60, nr 1, 1; 45-48
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractional order PIλDμ controller with optimal parameters using Modified Grey Wolf Optimizer for AVR system
Autorzy:
Verma, Santosh Kumar
Devarapalli, Ramesh
Powiązania:
https://bibliotekanauki.pl/articles/2134890.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
integer order PID controller
fractional order PID controller
automatic voltage regulator
evolutionary optimization
Grey Wolf Optimizer
Opis:
In this paper, an automatic voltage regulator (AVR) embedded with fractional order PID (FOPID) is employed for the alternator terminal voltage control. A novel meta-heuristic technique, a modified version of grey wolf optimizer (mGWO) is proposed to design and optimize the FOPID AVR system. The parameters of FOPID, namely, proportional gain (ΚP), the integral gain ( ΚI), the derivative gain ( ΚD), λ and μ have been optimally tuned with the proposed mGWO technique using a novel fitness function. The initial values of the ΚP, ΚI , and ΚD of the FOPID controller are obtained using Ziegler-Nichols (ZN) method, whereas the initial values of λ and μ have been chosen as arbitrary values. The proposed algorithm offers more benefits such as easy implementation, fast convergence characteristics, and excellent computational ability for the optimization of functions with more than three variables. Additionally, the hasty tuning of FOPID controller parameters gives a high-quality result, and the proposed controller also improves the robustness of the system during uncertainties in the parameters. The quality of the simulated result of the proposed controller has been validatedby other state-of-the-art techniques in the literature.
Źródło:
Archives of Control Sciences; 2022, 32, 2; 429--450
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Translacja grafu SFC do programu IL
A translation from the SFC graph to the IL program
Autorzy:
Jaszczak, S.
Wierzbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/154015.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
PLC
Programmable Logic Controller
IL
Instruction List
SFC
Sequential Function Chart
programmable logic controller
sequential function chart
Opis:
Artykuł poświęcono implementacji metody automatyzacji przekładu algorytmu sterowania sekwencyjnego, dedykowanego sterownikom PLC, zapisanego w postaci grafu SFC w język tekstowy IL i implementacji zaprezentowanej metody w oparciu o środowisko Java. Zastosowanie języka SFC, opierającego się na grafie etapów i przejść ułatwia zadanie programowania procesów sekwencyjnych i modyfikacje kodu sterującego w trakcie rozbudowy systemu, biorąc również pod uwagę tworzenie podprogramów, gwarantujących rekonfigurowalność PLC przy zmieniających się warunkach sterowania. W artykule przedstawiono oryginalne podejście do zagadnienia, polegające na zapisaniu procesu sekwencyjnego w postaci grafu SFC a następnie transformację do postaci IL. Proces tworzenia programu sterującego omówiono na przykładzie procesu cięcia rur.
Authors of this article described an implementation of an automatisation method of the translation a control sequential algorithm, dedicated to programmable controllers (PLC) from the SFC graph to the IL program. An algorithm written in the SFC graph was translated in the IL program, by using an original software created in the Java environment. Using a SFC language based on the graph of stages and transitions simplify a task related to the creation of sequential programs. It could be helpful during any modification and development in future, even years ago after an implementation the controlled system. In the first part were given some arguments confirmed a need of the translation from SFC graph to the IL program, e.g. Proficy Machine Edition, using for programming GeFanuc's PLCs, which have'nt SFC language as a standard tool. In the second part of the article were described all stages of the translation procedure, which are: preparation part, control part, initialization part and final part. In the third part of the article was given an example of the realistic sequential control system, related to the cutting pipes process.
Źródło:
Pomiary Automatyka Kontrola; 2009, R. 55, nr 8, 8; 663-665
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dobór nastaw regulatora PID zaimplementowanego w sterowniku PLC przy wykorzystaniu algorytmów genetycznych
Tuning PID controller implemented in the PLC using genetic algorithms
Autorzy:
Sałat, R.
Winiczenko, R.
Awtoniuk, M.
Powiązania:
https://bibliotekanauki.pl/articles/151934.pdf
Data publikacji:
2012
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
sterownik PLC
algorytmy genetyczne AG
dobór nastaw regulatora PID
PLC controller
genetic algorithms GA
tuning PID controller
Opis:
Artykuł ma na celu przedstawienie metody strojenia parametrów regulatora PID o znanej strukturze zaimplementowanego w sterowniku PLC przy użyciu algorytmów genetycznych. Strojenia regulatora rozpatrywano pod kątem obiektów o charakterystyce statycznej liniowej oraz nieliniowej. Dla każdego obiektu analizowano nastawy uzyskane przy pomocy algorytmów genetycznych oraz dwóch par innych nastaw dedykowanych do danego typu obiektu, które zostały wybrane na podstawie kryterium całkowego. Testy zostały przeprowadzone dla skoku wartości zadanej, zmiany wartości zadanej wg trajektorii, perturbacji modelu oraz zakłóceń. Dla celów przedstawienia metody jak i testów przyjęto uniwersalną strukturę algorytmu typu PI.
The paper presents a way of tuning parameters of PID regulator of known structure implemented in the PLC using genetic algorithms (Fig. 1). The tuning process was considered for objects with both linear and nonlinear characteristics (Section 2). For each object the parameters were analyzed using genetic algorithms as well as two pairs of other settings dedicated to a particular object type selected on the basis of integral index (Section 5). Objects were simulated on a PC in Matlab / Simulink connected to PLC S7-300 Siemens by DAQ card in a negative feedback loop (Fig. 2). The tests were conducted for the set point, a trajectory model, perturbations and disturbances. For purposes of presentation and testing the methods were adopted as a universal structure of the PI algorithm (Figs. 3 and 4). Comparing the values of the integral indexes one can conclude that in most cases the best quality of control can be achieved with use of genetic algorithms. These settings proved to be more effective than those dedicated to the test objects (Tables 1 and 2).
Źródło:
Pomiary Automatyka Kontrola; 2012, R. 58, nr 5, 5; 427-430
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formation control of marine vehicles during replenishment operations
Autorzy:
Tobiasz, M.
Śmierzchalski, R.
Powiązania:
https://bibliotekanauki.pl/articles/93064.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:
formation control
Leader - Follower algorithm
fuzzy controller
Opis:
Formation control consists in stabilising distances between ships during their motion at the same speed. Due to necessary coordination of motion of the ships, a structure is composed which allows constant distance to be kept between the ships with an assumed accuracy. Formation control makes use of the Leader-Follower algorithm. The steering structure includes the superior formation controller and real-time trajectory controllers. Direct course and speed steering is executed using PD fuzzy controllers. The application of advanced technologies provides opportunities for reducing the number of crew involved in at-sea reloading activities and increasing ship safety during operations of this type.
Źródło:
Studia Informatica : systems and information technology; 2007, 2(9); 43-53
1731-2264
Pojawia się w:
Studia Informatica : systems and information technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A computer system for controlling temperature in a two-state mode and by means of a PI controller in an “intelligent building”
Autorzy:
Jarmuda, T.
Powiązania:
https://bibliotekanauki.pl/articles/97497.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
intelligent building
PI controller
intelligent electrical installation
Opis:
The article presents the application capabilities of the LOGO! controller produced by the Siemens company with respect to heating control in an automated “intelligent building”. The wide range of capabilities of the logic controller finds its reflection in practical implementation, as illustrated by means of a computer simulation example prepared in the LOGO! Soft Comfort v6.0 program. The work presents a comparative analysis of two programs serving two-stage heating control: with and without hysteresis, as well as a control program for an “intelligent” holiday cottage. The article also presents the results of parameter calculations for the B007 analog adapter, based on the examples of sample heating curve characteristics. The wide range of capabilities of the logic controller finds its practical implementation on the basis of examples of PI controller operation simulations in the LOGO! Soft Comfort v6.0 program.
Źródło:
Computer Applications in Electrical Engineering; 2012, 10; 372-385
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identifying the optimal controller strategy for DC motors
Autorzy:
Qader, M. R.
Powiązania:
https://bibliotekanauki.pl/articles/140815.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DC Motor
LQR
PID
PI
controller strategy
Opis:
The aim of this study is to design a control strategy for the angular rate (speed) of a DC motor by varying the terminal voltage. This paper describes various designs for the control of direct current (DC) motors. We derive a transfer function for the system and connect it to a controller as feedback, taking the applied voltage as the system input and the angular velocity as the output. Different strategies combining proportional, integral, and derivative controllers along with phase lag compensators and lead integral compensators are investigated alongside the linear quadratic regulator. For each controller transfer function, the step response, root locus, and Bode plot are analysed to ascertain the behaviour of the system, and the results are compared to identify the optimal strategy. It is found that the linear quadratic controller provides the best overall performance in terms of steady-state error, response time, and system stability. The purpose of the study that took place was to design the most appropriate controller for the steadiness of DC motors. Throughout this study, analytical means like tuning methods, loop control, and stability criteria were adopted. The reason for this was to suffice the preconditions and obligations. Furthermore, for the sake of verifying the legitimacy of the controller results, modelling by MATLAB and Simulink was practiced on every controller.
Źródło:
Archives of Electrical Engineering; 2019, 68, 1; 101-114
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechatronic approach to the development of an intelligent fixturing device test-bed
Autorzy:
Bukowski, A.
Kwasny, W.
Jedrzejewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1429310.pdf
Data publikacji:
2008
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
mechatronic approach
active fixturing system
intelligent controller
Opis:
In order to improve the process of designing mechatronic devices, an approach, based on a mechatronic model, is proposed. The structure of such model is presented, consisting of partial models of single elements in a system. Methods of creating these models and integrating them into one mechatronic model are discussed. In order to illustrate the approach, a case study is shown, consisting of a mechatronic alignment and fixing device for high-precision machine tools. A test bed of such device is under construction, which will allow experimental verifying partial models of components, as well as the entire system's mechatronic model. An extended set of monitoring sensors will provide accurate system behaviour data useful for such process.
Źródło:
Journal of Machine Engineering; 2008, 8, 3; 66-76
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Powered Roof Support Operation Based on a Virtual Driver
Autorzy:
Szurgacz, D.
Brodny, J.
Powiązania:
https://bibliotekanauki.pl/articles/2064951.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
virtual controller
underground operation
powered support
mining
Opis:
The article presents the results of tests and analyses of control functions performed by a powered roof support which is the basic part of a powered longwall system. The research was based on an innovative registration and measurement system dedicated to this specific range of tests. The basic element of this system is a virtual driver. It is equipped with input and output systems to connect standard physical voltage signals. The tests were carried out on a prototype powered roof support type ZPR-15/35-POz. The presented research methodology and obtained results are an element of new research methods developed for powered support based on virtual controllers. The applied solution generates less costs than the devices currently used, while its functionality is significantly greater. The system developed by the Authors supports innovative and, to a certain extent, intelligent IT solutions for testing control elements. This developed system is suitable to be applied in a wide range of research such as diagnosis of mining machinery control elements and other industries in the near future.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 415--421
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of anisotropic rotor vibration using fractional order controller
Autorzy:
Czajkowski, M.
Gertner, M.
Ciulkin, M.
Powiązania:
https://bibliotekanauki.pl/articles/280540.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
rotor dynamic
active bearings
fractional order controller
Opis:
This article presents an analysis of a flexible Jeffcott rotor with an active bearing support. The rotor is coupled with lateral and torsional vibrations and a force from the unbalance vector derived from the Lagrangian method. The active support bearing is controlled by FOPID controller. Changing the rotor vibration is followed by shifting rotor angular speed and achieving the natural frequency. Simulation results demonstrate torsional and lateral vibration of thr rotor at the rotating speed near the natural frequency. Consequently, controlling the lateral vibrations mitigates potential damage and improves safety. FOPID controller introduces a new approach to vibration control of a rotating machine.
Źródło:
Journal of Theoretical and Applied Mechanics; 2016, 54, 3; 1013-1024
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Algorytm pracy sterownika silnika benzynowego typu Motronic
Work algorithm driver type Motronic gasoline
Autorzy:
Duer, S.
Zajkowski, K.
Sokołowski, S.
Łyskojć, D.
Czarnowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/316714.pdf
Data publikacji:
2012
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
algorytm
sterownik silnika
Motronic
algorithm
motor controller
Opis:
W artykule zaprezentowano problematykę organizacji algorytmu funkcjonowania sterownika silnika pojazdu samochodowego. Przedstawiono budowę sterownika oraz opis jego elementów składowych. Scharakteryzowano i opisano poszczególne fazy pracy silnika pojazdu. Ważną część stanowi zaprezentowana przykładowa struktura schematu algorytmu pracy sterownika pojazdu. Poznanie budowy i zasady pracy sterownika pojazdu jest podstawą jego badania i diagnostyki.
The article presents the problems of organization of motor control algorithm for operation of the vehicle. The paper presents the construction of the driver and a description of its components. Characterized and described the different phases of the motor vehicle. An important part of the material presented in the article is to present an exemplary structure of the PLC algorithm scheme of the vehicle. Knowing the principles of operation of the controller and the vehicle is based on his research and diagnostics.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2012, 13, 5; 150-156
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
2-dof piezoelectric actuator controller based on FPGA
Sterowanie silnikiem liniowym piezoelektrycznym za pomocą układu FPGA
Autorzy:
Prusak, D.
Karpiel, G.
Gac, K.
Powiązania:
https://bibliotekanauki.pl/articles/368959.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
FPGA controller
piezoelectric
piezolegs
FPGA
sterownik
piezoelektryczny
Opis:
This article presents the method for controlling the piezolegs motor with the application of the FPGA (Field-programmable gate array) system and presents the results of conducted tests of the motor slider displacement, with various steering signal configurations. It includes also the review of piezoelectric motors solutions and characteristics of systems, based on FPGA systems. Suggested steering solution can be used for subsequent tests on piezolegs drives and can constitute positioning system element.
Artykuł przedstawia metodę sterowania silnikiem liniowym piezoelektrycznym typu piezolegs za pomocą układu FPGA oraz wyniki przeprowadzonych pomiarów przemieszczenia końca biegnika silnika, przy różnych konfiguracjach sygnałów sterujących. Dokonano również przeglądu rozwiązań silników piezoelektrycznych oraz określono cechy systemów opartych na układach FPGA. Sugerowane rozwiązanie sterowania może być wykorzystane do dalszych badań nad napędami typu piezolegs i może stanowić element systemu pozycjonowania.
Źródło:
Mechanics and Control; 2013, 32, 1; 30-36
2083-6759
2300-7079
Pojawia się w:
Mechanics and Control
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SDN Controller Mechanisms for Flexible and Customized Networking
Autorzy:
Wytrębowicz, J.
Ries, T.
Dinh, K. T.
Kukliński, S.
Powiązania:
https://bibliotekanauki.pl/articles/226926.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
software defined networking
network controller
SDN management
Opis:
Software-Defined Networking (SDN) is seen as the most promising networking technology today. The spread of a new technology depends on the acceptance of the engineers implementing the networks. Typically, when engineers start the conceptualization of new network devices that work with a new paradigm, and that should provide expected business values, they must identify and utilize technical enablers for the defined business use cases. This paper tries to summarize essential SDN applications and defines the technical enablers for advanced and efficient SDN networking. To this end, we identify the core technical mechanisms, expecting to provide a useful analysis for the design of new SDN networks.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 4; 299-307
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
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