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Tytuł:
A multi-model based adaptive reconfiguration control scheme for an electro-hydraulic position servo system
Autorzy:
Zhang, Zhao
Yang, Zhong
Liu, Shuchang
Chen, Shuang
Zhang, Xiaokai
Powiązania:
https://bibliotekanauki.pl/articles/2124780.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
fault tolerant control
electro hydraulic position
servo system
multiple model
adaptive control
reconfiguration control
sterowanie tolerujące uszkodzenia
serwomechanizm
sterowanie adaptacyjne
Opis:
Reliability and safety of an electro-hydraulic position servo system (EHPSS) can be greatly reduced for potential sensor and actuator faults. This paper proposes a novel reconfiguration control (RC) scheme that combines multi-model and adaptive control to compensate for the adverse effects. Such a design includes several fixed models, one adaptive model, and one reinitialized adaptive model. Each of the models has its own independent controller that is based on a complete parametrization of the corresponding fault. A proper switching mechanism is set up to select the most appropriate controller to control the current plant. The system output can track the reference model asymptotically using the proposed method. Simulation results validate robustness and effectiveness of the proposed scheme. The main contribution is a reconfiguration control method that can handle component faults and maintain the acceptable performance of the EHPSS.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 2; 185--196
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptive Neuro-Sliding Mode Control of PUMA 560 Robot Manipulator
Autorzy:
Medjebouri, A.
Mehennaoui, L.
Powiązania:
https://bibliotekanauki.pl/articles/384592.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
Puma 560
position control
NN
SMC
robustness
chattering
Opis:
The classical sliding mode control (SMC) is a robust control scheme widely used for dealing with nonlinear systems uncertainties and disturbances. However, the conventional SMC major drawback in real applications is the chattering phenomenon problem, which involves extremely high control activity due to the switched control input. To overcome this handicap, a pratical design method that combines an adaptive neural network and sliding mode control principles is proposed in this paper. The controller design is divided into two phases. First, the chattering phenomenon is removed by replacing the sign function included in the switched control by a continuous smooth function; basing on Lyapounov stability theorem. Then, an adaptive linear neural network, that has the role of online estimate the equivalent control in the neighborhood of the sliding manifold, is developed when the controlled plant is poorly modeled. Simulation results show clearly the satisfactory chattering free tracking performance of proposed controller when it is applied for the joints angular positions control of a 6-DOF PUMA 560 robot arm.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2016, 10, 4; 8-16
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ball-and-beam laboratory system controlled by Simulink model through dedicated microcontrolled-Matlab data exchange protocol
Autorzy:
Nowopolski, K.
Powiązania:
https://bibliotekanauki.pl/articles/97435.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
beam-and-ball
interface
MATLAB
Simulink
stepper motor
SimMechanics
linear position control
microcontroller
32-bit microcontroller
LQR control law
Opis:
A ball balancing on a beam is a perfect platform for demonstration various control strategies. The task is to place ball rolling freely, in a reference position along the beam driven by a motor, rejecting disturbances. The research system consists of mechanical platform with stepper motor and two infrared ball position sensors, power supply and electronic controller based on a 32-bit microcontroller connected to Matlab/Simulink software running the main control algorithm. Designed in Simulink input and output subsystem blocks contain all functions required to provide data exchange with microprocessor controller of the mechanical system. Developed data exchange protocol and its implementation both in microcontroller software and Simulink subsystems allow to use this complete system for educational purposes: the controller designer is free to develop supervisory control layer, not going into details of system operation. The results of system operation with P, PD and LQR control laws are shown at the end of this paper.
Źródło:
Computer Applications in Electrical Engineering; 2013, 11; 310-320
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative Study of Optimised Artificial Intelligence Based First Order Sliding Mode Controllers for Position Control of a DC Motor Actuator
Autorzy:
Nyong-Bassey, B. E.
Akinloye, B.
Powiązania:
https://bibliotekanauki.pl/articles/385114.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
adaptive fuzzy control
DC motor position control
genetic algorithm
particle swarm optimization (PSO)
sliding mode control
Opis:
This paper aims at critically reviewing various sliding mode control measures applied to Permanent Magnet DC Motor actuator for position control. At first, a hybrid sliding mode controller was examined with its advantages and disadvantages. Then, the smooth sliding mode controller in the same manner. The shortcomings of the two methods were overcome by proper switch design and also using tanh-sinh hyperbolic function. The sliding mode controller switches on when either disturbance or noise is detected. Genetic Algorithm Computational tuning technique is employed to optimize the gains of the controllers for optimal response.The performance of the proposed controller architecture, as well as the reviewed controllers, have been compared for performance evaluation with respect to several operating conditions. This includes load torque disturbance injection, noise injection in a feedback loop, motor nonlinearity exhibited by parameters variation, and a step change in reference input demand.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2016, 10, 3; 58-71
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Competition Protection and Philip Kotler’s Strategic Recommendations
Autorzy:
Fornalczyk, Anna
Powiązania:
https://bibliotekanauki.pl/articles/530081.pdf
Data publikacji:
2011-11-30
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
competition
dominant market position
predatory pricing
strategic alliances
preventive control of mergers and acquisitions
exploitive or anti-competitive practices
State aid
leniency procedure
Kotler’s theory of modern marketing
Opis:
P. Kotler’s recommendations of modern marketing tell managers how to achieve and maintain a dominant market position. Some of the recommended activities may, however, infringe European and Polish competition law. Objections are not raised by market success achieved as a result of high product quality, good customer care, high market shares, continuous product improvements, new product release, entry onto fast growing markets, and exceeding customer expectations. Competition law problems may appear when a given company, having reached a dominant position, starts abusing it by subjugating the market and dictating business conditions to other market players (suppliers, customers, consumers). This article focuses on predatory pricing, strategic alliances, mergers and acquisitions and State aid issues that may arise from the implementation of Kotler’s recommendations. For market success not to transform into a competition law problem, it is worth remembering the limitations imposed by competition law on the actions of dominant companies. The paper outlines these limitations.
Les recommandations de Philip Kotler concernant le marketing moderne conseillent aux managers comment atteindre et maintenir une position dominante. Certaines des activités recommandées peuvent, pourtant, être en contravention avec la loi polonaise et européenne. Les problèmes du droit de la concurrence peuvent apparaître quand une entreprise donnée, après avoir atteint une position dominante, commence à en abuser par subjuguer le marché et dicter ses conditions aux autres participants du marché (fournisseurs, clients, consommateurs). Cet article se concentre sur les prix prédateurs, alliances stratégiques, fusions-acquisitions et sur les questions de l’aide publique resultant de l’implantation des recommandations de Kotler. Pour que le succès du marché ne se transforme pas en échec, il faut prendre en considération les limitation imposées par le droit de la concurrence sur les actions des entreprises dominantes. Cet article décrit ces limitations.
Źródło:
Yearbook of Antitrust and Regulatory Studies; 2011, 4(5); 11-23
1689-9024
2545-0115
Pojawia się w:
Yearbook of Antitrust and Regulatory Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of a redundant 7DOF upper-limb power-assist exoskeleton robot
Autorzy:
Hayashi, Y.
Kiguchi, K.
Dubey, R.
Powiązania:
https://bibliotekanauki.pl/articles/91596.pdf
Data publikacji:
2011
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
power-assist robot
upper limb
power-assist
7DOF
position
orientation
pseudo-inverse matrix
redundancy
optimal control
Opis:
Many kinds of power-assist robots have been developed in order to assist daily activities or rehabilitation of the elderly or physically weak persons. Upper-limb power-assist robots are important to assist in many daily life activities such as eating, drinking, etc.. A human upper-limb has 7 degrees of freedom to achieve various tasks dexterously. Therefore, to assist all upper-limb joint motions of a human, the upper-limb power-assist robot is required to have 7DOF. To achieve a desired task, a person moves the hand to the desired position and orientation and/or applies certain amount of force to the target. Therefore, it is important that the upper-limb power-assist robots help control the hand position/ orientation or hand force of the user. However, the hand position/orientation or hand force is 6-dimensional vector, so the 7DOF upper-limb power-assist robot has a redundancy and in general, a pseudo-inverse matrix is used in the control. In this paper, an optimal control method is proposed to deal with the redundancy of the upper-limb power-assist exoskeleton robot considering comfortable motion of the user. The motion intention and the comfort of the user are taken into account in the pro-posed method. The effectiveness of the proposed method was evaluated by the experiments.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2011, 1, 3; 207-214
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of grinding and polishing technology for stainless steel with a robot manipulator
Autorzy:
Shaw, Jinsiang
Fang, Yu-Jia
Powiązania:
https://bibliotekanauki.pl/articles/2141789.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
active compliant
hybrid position/force control
robot manipulator
surface machining
surface roughness
Opis:
In traditional industries, manual grinding and polishing technologies are still used predominantly. However, these procedures have the following limitations: excessive processing time, labor consumption, and product quality not guaranteed. To address the aforementioned limitations, this study utilizes the good adaptability of a robotic arm to develop a tool-holding grinding and polishing system with force control mechanisms. Specifically, off-the-shelf handheld grinder is selected and attached to the robotic arm by considering the size, weight, and processing cost of the stainless steel parts. In addition, for contact machining, the robotic arm is equipped with a force/torque sensor to ensure that the system is active compliant. According to the experimental results, the developed system can reduce the surface roughness of 304 stainless steel to 0.47 µm for flat surface and 0.76 µm for circular surface. Moreover, the processing trajectory is programmed in the CAD/CAM software simulation environment, which can lead to good results in collision detection and arm posture establishment.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2021, 15, 4; 37-43
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diagnostics of control rod drive. Possibilities to extend its lifetime at NPPs
Diagnostyka napędu pręta sterującego. Możliwości zwiększenia czasu eksploatacji napędów w elektrowniach atomowych
Autorzy:
Druzhinin, I.
Sapozhnikova, K.
Taymanov, R.
Powiązania:
https://bibliotekanauki.pl/articles/329298.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
elektromagnetyczny liniowy silnik krokowy
czujnik położenia
pręt sterujący
czas eksploatacji
reaktor jądrowy
linear stepping electromagnetic drive
control rod position sensor
lifetime
nuclear reactor
Opis:
According to specifications, lifetime of a linear stepping electromagnetic drive in WWER-1000 nuclear reactors is limited by the pre-assigned lifetimes of the drive components such as electromagnets, a latch assembly, drive rack, and control rod position sensor. The lifetime of the drive components is from 7 to 20 years. On the basis of diagnostics of these components under real conditions, actual lifetimes of the components at nuclear power plant (NPP) were forecasted. It is shown that in order to extend the lifetime of the drive components up to the reactor lifetime (60 years), it is necessary to replace the sensor of the DPL-type by the new one (of the DPL-KV type) and to decrease the electromagnet temperature. The Measuring and Diagnostic System with the DPL-KV sensor enables diagnosing the sensor, electronic processing unit and drive. Economic effect due to the cumulative technical decisions is estimated to be 7 mln.euro per NPP unit.
Zgodnie z dokumentacją czas eksploatacji elektromagnetycznych silników krokowych prętów sterujących w reaktorach jądrowych WWER-1000 jest ograniczony ustalonymi czasami eksploatacji ich składników (blok przesunięcia, pręt, elektromagnesy, czujnik) - od 7 do 20 lat. Na podstawie wyników diagnostyki tych składników w warunkach realnych została zrobiona prognoza ich rzeczywistej żywotności w elektrowniach atomowych. Wykazano, że w celu wydłużenia czasu eksploatacji składników do czasu życia reaktora (60 lat) trzeba wymienić czujnik DPL na inny, bardziej niezawodny - DPL-KV i znacznie obniżyć temperaturę elektromagnesów. Układ pomiarowo-diagnostyczny wyposażony w czujnik DPL-KV pozwala przeprowadzać diagnostykę czujnika, osprzętu elektronicznego i silnika. Całkowity efekt ekonomiczny wprowadzenia zaproponowanych rozwiązań technicznych jest szacowany na 7 milionów Euro na blok energetyczny.
Źródło:
Diagnostyka; 2008, 3(47); 89-93
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic external force feedback loop control of a robot manipulator using a neural compensator - Application to the trajectory following in an unknown environment
Autorzy:
Ferguene, F.
Toumi, R.
Powiązania:
https://bibliotekanauki.pl/articles/907867.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
sterowanie położeniem
sterowanie siłowe
struktura zewnętrzna
sterowanie neuronowe
manipulator robota
force/position control
external structure
neural control
robot manipulator
Opis:
Force/position control strategies provide an effective framework to deal with tasks involving interaction with the environment. One of these strategies proposed in the literature is external force feedback loop control. It fully employs the available sensor measurements by operating the control action in a full dimensional space without using selection matrices. The performance of this control strategy is affected by uncertainties in both the robot dynamic model and environment stiffness. The purpose of this paper is to improve controller robustness by applying a neural network technique in order to compensate the effect of uncertainties in the robot model. We show that this control strategy is robust with respect to payload uncertainties, position and environment stiffness, and dry and viscous friction. Simulation results for a three degrees-of-freedom manipulator and various types of environments and trajectories show the effectiveness of the suggested approach compared with classical external force feedback loop structures.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2009, 19, 1; 113-126
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental and finite element analysis of PPF controller effectiveness in composite beam vibration suppression
Autorzy:
Mitura, Andrzej
Gawryluk, Jaroslaw
Powiązania:
https://bibliotekanauki.pl/articles/2172029.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
finite element method
positive position feedback control
composite structures
hysteresis
phenomenon
macro-fiber composite
Opis:
In this paper the problem of vibration reduction is considered. Generally, mechanical vibrations occurring during the operation of a system are undesirable and may have a negative effect on its reliability. A finite element model of a single active blade is developed using the Abaqus software. This structure consists of a multi-layer glass-epoxy composite beam with an embedded macro fiber composite (MFC) piezoelectric actuator. For vibration control the use of a positive position feedback (PPF) controller is proposed. To include the PPF controller in the Abaqus software, a special subroutine is created. The developed control algorithm code makes it possible to solve an additional differential equation by the fourth order RungeKutta method. A numerical dynamic analysis is performed by the implicit procedure. The beam responses with and without controller activation are compared. The control subsystem model also includes the hysteresis phenomenon of the piezoelectric actuator. Numerical findings regarding the PPF controller’s effectiveness are verified experimentally.
Źródło:
Eksploatacja i Niezawodność; 2022, 24, 3; 468--477
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fault monitoring and fault recovery control for position-moored vessels
Autorzy:
Fang, S.
Blanke, M.
Powiązania:
https://bibliotekanauki.pl/articles/907618.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
diagnostyka uszkodzeń
sterowanie tolerujące uszkodzenia
usuwanie błędu
wykrywanie zmian
fault diagnosis
fault tolerant control
fault recovery
position mooring
non Gaussian change detection
Opis:
This paper addresses fault-tolerant control for position mooring of a shuttle or floating production storage and offloading vessels. A complete framework for fault diagnosis is presented. A loss of a sub-sea mooring line buoyancy element and line breakage are given particular attention, since such failures might cause high-risk abortion of an oil-loading operation. With significant drift forces from waves, non-Gaussian elements dominate forces and the residuals designed for fault diagnosis. Hypothesis testing is designed using dedicated change detection for the type of distribution encountered. A new position recovery algorithm is proposed as a means of fault accommodation in order to keep the mooring system in a safe state, despite faults. The position control is shown to be capable of accommodating serious failures and preventing breakage of a mooring line, or a loss of a buoyancy element, from causing subsequent failures. Properties of the detection and fault-tolerant control algorithms are demonstrated by high fidelity simulations.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2011, 21, 3; 467-478
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-performance PMSM servo-drive with constrained state feedback position controller
Autorzy:
Tarczewski, T.
Skiwski, M.
Niewiara, L. J.
Grzesiak, L. M.
Powiązania:
https://bibliotekanauki.pl/articles/200374.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
constrained control
model predictive approach
permanent magnet synchronous motor
position control
state feedback control
model predykcyjny
silnik synchroniczny z magnesem trwałym
sprzężenie zwrotne
Opis:
This paper describes high-performance permanent magnet synchronous motor (PMSM) servo-drive with constrained state feedback (SFC) position controller. Superior behavior of the control system has been achieved by applying SFC with constraints handling method based on a posteriori model predictive approach (MPAC). The concept utilizes predictive equations obtained from discrete-time model of the PMSM to compute control signals which generate admissible values of the future state variables. The novelty of the proposed solution lies in the limitation of several state-space variables in servo-drive control system. Since MPAC has firstly been applied to limit more than one state-space variable of the plant, necessary conditions for introducing constraints into multivariable control system with SFC are depicted. Due to the low complexity of proposed algorithm, a low cost microprocessor, STM32F4, is employed to execute the state feedback position control with model predictive approach to constraints handling. Experimental results show that the proposed control method provides superior performance of PMSM servodrive with modern SiC based voltage source inverter (VSI).
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 1; 49-58
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Iterative sliding mode observer for sensorless control of five-phase permanent magnet synchronous motor
Autorzy:
Yang, J.
Dou, M.
Zhao, D.
Powiązania:
https://bibliotekanauki.pl/articles/199868.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
five-phase PMSM
sensorless control
iterative sliding mode observer
ISMO
Lyapunov criteria
speed estimation
position estimation
pięciofazowy PMSM
sterowanie bezczujnikowe
iteracyjny obserwator trybu ślizgowego
Kryteria Lapunowa
szacowanie prędkości
szacowanie pozycji
Opis:
Due to the star connection of the windings, the impact of the third harmonic which does not exist in three-phase permanent magnet synchronous motor (PMSM) cannot be ignored in five-phase PMSM. So the conventional sensorless control methods for three-phase PMSM cannot be applied for five-phase PMSM directly. To achieve the sensorless control for five-phase PMSM, an iterative sliding mode observer (ISMO) is proposed with the consideration of the third harmonic impact. First, a sliding mode observer (SMO) is designed based on the fivephase PMSM model with the third harmonic to reduce the chattering and obtain the equivalent signal of the back electromotive force (EMF). Then, an adaptive back EMF observer is built to estimate the motor speed and rotor position, which eliminates the low-pass filter and phase compensation module and improves the estimation accuracy. Meanwhile, by iteratively using the SMO in one current sampling period to adjust the sliding mode gains, the sliding mode chattering and estimation errors of motor speed and rotor position are further reduced. Besides, the stability of the SMO and the adaptive back EMF observer are demonstrated in detail by Lyapunov stability criteria. Experiment results verify the effectiveness of the proposed observer for sensorless control of five-phase PMSM.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 6; 845-857
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measuring system for parallel moving ships
Autorzy:
Waszkiel, A.
Powiązania:
https://bibliotekanauki.pl/articles/259094.pdf
Data publikacji:
2012
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
vision system
relative ship position determination
safe ship control
computer simulation
Opis:
The paper introduces algorithm for determining the relative positions of two ships manoeuvring as a pair. This algorithm also takes into account determination of angle ă, which is difference between present approaching vessel and guidance vessel course. Relative positioning system is a vision system based on three colours LEDs matrix and rotating CCD camera. There are presented ways of distance calculation based on photogrammetric methods from the known distance between the characteristic points of the real. Several possible cases are taken into account. The considerations have been illustrated on the basis of model of the system. These results confirm the correctness of the operation of the algorithm that is used by the designed measuring system.
Źródło:
Polish Maritime Research; 2012, S 1; 66-72
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modified position-force control for a manipulator geometrically constrained by round obstacles
Autorzy:
Mazur, Alicja
Kaczmarek, Mirela
Ratajczak, Joanna
Domski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/950745.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
manipulator
position-force control
principle of orthogonalisation
hybrid control
Opis:
This paper addresses the problem of position-force control for robot manipulators under geometric endpoint constraints defined as round obstacles. Considerations are based on hybrid position-force control and use modified Arimoto algorithm with the principle of ”orthogonalisation”. To achieve so-called joint space orthogonalisation, where motion signals are orthogonal to force vectors and the direction selection is performed in the joint space, projection matrix is utilized. The convergence of tracting and force errors is proved.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2019, 13, 2; 60-67
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
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