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Wyszukujesz frazę "programmable controller" wg kryterium: Temat

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    Wyświetlanie 1-12 z 12
    Tytuł:
    Implementation of typical models of control plants with use of programmable logical controllers
    Autorzy:
    Kaszycki, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/359297.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    programmable controller
    continuous model
    discrete model
    step response
    transfer function
    Opis:
    The paper demonstrates the possibility of synthesis of basic models of control plants with use of programmable controller. Selected models of plants were synthesized basing on standard functional blocks and arithmetic of integer type. Also was presented an application of Versa Max type controller in synthesis of discrete models of oscillatory and inertial blocks.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 2; 75-79
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Increasing flexibility and availability of manufacturing systems - dynamic reconfiguration of automation software at runtime on sensor faults
    Autorzy:
    Wannagat, A.
    Vogel-Heuser, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/384699.pdf
    Data publikacji:
    2009
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    agents
    programmable logic controller (PLC)
    industrial production systems
    availability
    Opis:
    This proposal introduces a conceptual design of self-adapting system software to manage sensor failures in factory automation. The approach reconfigures the arrangement of software modules in real time to preserve the required stability of production processes without interrupts. Reconfiguration will be decided by rules from a knowledge base system. This paper discusses conventional, o bject oriented and agent based concepts, and focuses on modelling of these concepts. For discussion purposes, a real industrial application - a continuous thermo-hydraulic press will be presented as application example.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 3; 47-53
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Gold Nanoparticles on the Photocatalytic Action of Titanium Dioxide in Physical-Chemical Parameters of Greywater
    Autorzy:
    Carbajal-Morán, Hipólito
    Márquez-Camarena, Javier F.
    Galván-Maldonado, Carlos A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2025736.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    water pollution
    solar UV radiation
    AuNPs
    programmable logic controller
    Opis:
    The objective of the work was to evaluate the influence of gold nanoparticles, obtained by laser ablation, on the photocatalytic action of titanium dioxide in the improvement of the physical-chemical parameters of domestic greywater, with visualization by means of a PLC. The YAG laser equipment was used for the production of spherical gold nanoparticles, whereas the Raman spectroscope allowed characterizing the different particles contained in aqueous solutions. The solar photoreactor programmable and viewable from PLC with connection to sensors allowed determining the variations of the pH, EC, DO and FCL parameters. The work consisted of a control group (greywater + titanium dioxide) and an experimental group (greywater + titanium dioxide + gold nanoparticles). The titanium dioxide doses for both groups were 0.5 mg/L and the gold nanoparticles were 0.20 ml per liter of greywater only for the control group. The experiments were carried out on sunny days with the exposure periods of 30 and 60 minutes around solar noon with an average UV index of 13.35. Once the experiments were carried out, it was determined that the pH improved by 5.30%, EC by 3.03%, DO by 29.3% and FCL by 43.71%, so that the gold nanoparticles dissolved in the aqueous solution of titanium dioxide with greywater positively influenced the improvement of the photocatalytic action of titanium dioxide in the physical-chemical parameters of greywater.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 1; 182-192
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    About Implementation of IEC 61131-3 IL Function Blocks in Standard Microcontrollers
    Autorzy:
    Chmiel, M.
    Mocha, J.
    Hrynkiewicz, E.
    Polok, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/226742.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    central processing unit
    programmable logic controller
    microprocessor control
    microprogramming
    programming languages
    language operators
    Opis:
    The paper presents considerations on implementation of function blocks of the IL language, as fragments of control programs that use these blocks. Subsequently, the predefined function blocks of the IL language have been applied to implementation in a Central Processing Unit for a programmable controller based on standard microcontroller from such families as MCS-51, AVR and ARM with the Cortex-M3 core. The considerations refer to the IL language revision that is fully compliant with the IEC-61131-3 standards. The completed theoretical analysis demonstrated that the adopted method of the module description is really reasonable and offers substantial advantages as compared to direct calls of function modules already developed as subroutines. Also the executed experiments have proved the feasibility to arrange central units of programmable controllers on the basis of standard microcontrollers and such central units may be competitive to compact CPUs available on the market for typical PLCs.
    Źródło:
    International Journal of Electronics and Telecommunications; 2014, 60, 1; 42-46
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety related control systems for railway signalling applications with a safety PLC
    Autorzy:
    Ždánsky, J.
    Rástočný, K.
    Hrbček, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/393794.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    PLC
    programowalny sterownik logiczny
    SIL
    poziom nienaruszalności bezpieczeństwa
    programmable logic controller
    safety integrity level
    Opis:
    Nowadays, there are available on the market not only standard PLCs (Programmable Logic Controller) but also safety PLC´s. These are primarily designed for industrial applications. Their guaranteed safety properties, however, enable to be used in applications, in which the usage of PLC has not been common until now. The aim of this article is to focus on problems related to the usage of safety PLC in railway signalling systems.
    Źródło:
    Archives of Transport System Telematics; 2011, 4, 3; 43-49
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A PC-based operator and diagnostic panel for Simatic S7-200 programmable controllers
    Autorzy:
    Mazek, K.
    Chmiel, M.
    Kulisz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/141655.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    operator panel
    human machine interface (HMI)
    programmable logic controller (PLC)
    wireless communication
    microprocessor system
    Opis:
    The paper describes a prototype operator panel, which was designed to operate with the S7-200 family of Programmable Logic Controllers (PLC-s) from Siemens. Most of the functionality of the operator panel was implemented in a computer program, which runs on a PC-class computer. The program communicates with a PLC through its communication port configured in the Freeport mode. Two kinds of interface between the PC, and the PLC are supported: wired, and wireless. For wired connection a standard PC/PPI cable supplied by Siemens is used. For wireless connection two communication modules were designed, which operate in the free 433 MHz band. The operator panel program is intuitive, and easy to use. States of PLC inputs and outputs are presented using graphical objects. It is possible to modify states of the outputs, and monitor and edit any variable in the M and V memory in the PLC. The application supports also alarming. The program can be run on any computer with the MS Windows operating system installed. This makes the solution very cost-effective. Providing both wired and wireless communication radically increases flexibility of the proposed solution. The panel can be quickly mounted in areas, where pulling new cables is inconvenient, difficult or expensive.
    Źródło:
    Archives of Electrical Engineering; 2013, 62, 2; 307-320
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flexible function block for industrial applications of active disturbance rejection controller
    Autorzy:
    Nowak, P.
    Stebel, K.
    Klopot, T.
    Czeczot, J.
    Fratczak, M.
    Laszczyk, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/229587.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    industrial control systems
    active disturbance rejection control
    ADRC
    practical
    tuning
    practical implementation
    programmable logic controller
    PLC
    Opis:
    In this paper, the PLC-based (Programmable Logic Controller) industrial implementation in the form of the general-purpose function block for ADRC (Active Disturbance Rejection Controller) is presented. The details of practical aspects are discussed because their reliable implementation is not trivial for higher order ADRC. Additional important novelties discussed in the paper are the impact of the derivative backoff and the method that significantly simplifies tuning of higher order ADRC by avoiding the usual trial and error procedure. The results of the practical validation of the suggested concepts complete the paper and show the potential industrial applicability of ADRC.
    Źródło:
    Archives of Control Sciences; 2018, 28, 3; 379-400
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Parallel robot controlled by PLC and its digital twin
    Autorzy:
    Michalík, R.
    Hrbček, J.
    Janota, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063983.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    digital twin
    human machine interface
    PLC Controllers
    computer aided design
    paralled robot
    CAD
    programmable logic controller
    PLC
    Opis:
    Modern ways of device development use the concept of a digital twin. A digital twin is an accurate digital copy of something that exists or is planned to be realized in the physical world. The digital twin is not only a virtual model of the physical system, but also a dynamic data and status information carrier obtained through a series of IoT-connected sensors that collect data from the physical world and send it to machines. The digital twin provides an overview of what is happening to the device in real time. This is very important in industry as this information is helpful to reduce maintenance issues and ensure production performance. This work focuses on the design and creation of a cybernetic physical system and its digital twin, based on CAD system modeling in conjunction with simulation and programming tools connected to real and simulated control systems. This process accelerates the development of the application implementation with the possibility to create a PLC control program and tune the system already in the design phase. Thus, the physical realization can be done in parallel with the programming and creation of the HMI interface. Modular programming will further accelerate software development [1]. The created system and its digital twin serve as a unified teaching tool without the need for real devices to be used by many students and users. This approach allows testing of program algorithms without the risk of damaging physical devices and is also suitable for distance learning.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 867--871
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Concurrent operation of processors in the bit-byte CPU of a PLC
    Autorzy:
    Chmiel, M.
    Hrynkiewicz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/969831.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    programmable logic controller
    central processing unit
    bit-byte structure of CPU
    scan time
    throughput time
    concurrent operation
    Opis:
    The paper presents some selected hardware solutions for the PLC dual processor bit-byte CPUs, which are oriented at optimised data exchange between the CPU processors. The optimisation aims at maximum utilisation of capabilities of the two-processor architecture of the CPU. The key point is preserving high speed of instruction processing by the bit-processor, and high functionality of the byte-processor. The structure should enable the processors to work in concurrent mode as far as it is possible, and minimise the situations, when one processor has to wait for the other.
    Źródło:
    Control and Cybernetics; 2010, 39, 2; 559-579
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On possibilities of the practical implementation of balance-based adaptive control methodology
    Autorzy:
    Czeczot, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1839191.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    model-based adaptive control
    practical implementation
    bumpless switching
    virtual controllers
    programmable logic controller (PLC)
    recursive least-squares estimation
    Opis:
    This paper deals with two approaches to the practical implementation of the Balance-Based Adaptive Controller(B-BAC): the low-level PLC-based approach of the explicit form of the B-BAC and the high-level PC-based one in the form of the general "virtual controller". In both cases, we discuss the details of meeting the general requirements of a particular practical implementation. We also consider the implementation aspects that are independent of the implementation, such as development of the front panel, saturation of a manipulated variable, on-line measurement and data acquisition, implementation of the on-line estimation procedure, bumpless switching between the automatic and manual mode, etc. Additionally, we present how to derive both the general form and the final explicit form of the B-BAC on the example of a biotechnological process and how to apply these forms in the particular practical implementation.
    Źródło:
    Control and Cybernetics; 2007, 36, 4; 967-984
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laboratory bench to analyze of automatic control system with a fuzzy controller
    Autorzy:
    Tryputen, Mykola
    Kuznetsov, Vitaliy
    Kuznetsov, Valeriy
    Kuznetsova, Yevheniia
    Tryputen, Maksym
    Kuznetsova, Alisa
    Powiązania:
    https://bibliotekanauki.pl/articles/328426.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    laboratory bench
    thermal objects
    hardware-software complex
    programmable logical controller
    dynamic model
    system sterowania
    stanowisko laboratoryjne
    model dynamiczny
    sterownik
    Opis:
    The paper represents laboratory bench to analyse a system of automated control with a fuzzy controller. The laboratory bench consists of a thermal object, and software and hardware complex involving logic controller VIPA System 200 V as well as HMI / SCADA system Zenon Supervisor 7.0. The thermal object is described with the help of the second-order differential equation using “current value within the power converter of electric heater-air temperature inside a thermal object” control channel. Coefficients of the differential equation depend upon location of a dampener and upon rotation frequency of a centrifugal fan. Control error (ie deviation between the specified temperature value within the thermal object and its current value), and derivative of the error, represented in the form of linguistic variables involving five triangular terms and two trapezoidal (extreme) ones have been used as the input values of the fuzzy controller. Output value of the fuzzy controller is the electric power supplied to the electric heater and assuming seven specified values. Selection of the specific value of electric power depends upon knowledge base being a finite set of rules of fuzzy sets falling into line with the applied linguistic variables. To implement such a system of automated control with a fuzzy controller, original software has been developed making it possible to analyze a process of thermal object heating with the use of human-computer interface. Interaction algorithm of certain program elements has been described. Experimental results, concerning the thermal object transfer from different initial conditions to terminal ones, have been demonstrated. A dependence of mean-square error of the controlled value upon the control period has been demonstrated.
    Źródło:
    Diagnostyka; 2020, 21, 2; 61-68
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of microprogrammed controllers to be implemented in FPGAs
    Autorzy:
    Wiśniewski, R.
    Barkalov, A.
    Titarenko, L.
    Halang, W. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/907791.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    jednostka sterująca
    sterownik mikroprogramowany
    układ FPGA
    control unit
    microprogrammed controller
    field programmable gate array (FPGA)
    Opis:
    In the article we propose a new design method for microprogrammed controllers. The traditional structure is improved by modifying internal modules and connections. Such a solution allows reducing the total number of logic elements needed for implementation in programmable structures, especially Field Programmable Gate Arrays (FPGAs). Detailed results of experiments show that on the average the application of the proposed methods yields up to 30% savings as far as the destination device is considered.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2011, 21, 2; 401-412
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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