Chattering-free fixed-time sliding mode control for bilateral teleoperation under unknown time-varying delay via disturbance and state observers

被引：7
作者：
Abadi A.S.S. [1 ]
Hosseinabadi P.A. [2 ]
Mekhilef S. [2 ,3 ,4 ]
Ordys A. [5 ]
机构：
[1] Department of Electrical Engineering, Faculty of Engineering, Yazd University, Yazd
[2] Department of Electrical Engineering, Power Electronics and Renewable Energy Research Laboratory (PEARL), Faculty of Engineering, University of Malaya, Kuala Lumpur
[3] School of Software and Electrical Engineering, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne
[4] Center of Research Excellence in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah
[5] The Institute of Automatic Control and Robotics, Faculty of Mechatronics, Warsaw University of Technology, Warsaw
来源：
Advanced Control for Applications: Engineering and Industrial Systems | 2020年 / 2卷 / 04期
关键词：
bilateral teleoperation; chattering-free; fixed-time; observer; SMC; stability; time delay;
D O I：
10.1002/adc2.52
中图分类号：
学科分类号：
摘要：
This paper proposes a new chattering-free Fixed-time Observer-Based Sliding Mode Control (FOBSMC) scheme for synchronization of two bilateral teleoperations under unknown time-varying delay. The system is subjected to unknown disturbances which are estimated in a fixed time by utilizing the Disturbance Observer-based SMC scheme. The fixed-time State Observer-based SMC is designed to estimate the unmeasured velocity state, while the position state is assumed to be available. Fixed-time stability method is used to provide the system convergence time independently of initial states. A FOBSMC scheme is first designed for master system of bilateral teleoperation under unknown time-varying delay to track the environmental torque by the human operating torque in the presence of time delay in the communication channel, as well as estimating the unknown disturbances and unmeasured states. A FOBSMC scheme is designed to synchronize slave system to master system in the presence of time delay in the communication channel, as well as estimating disturbances and states. The stability analysis is performed for closed-loop system of combined controller-observer by using Lyapunov theory. The efficacy of the proposed method to fulfill a good transparency and stability under time-varying communication delays is tested by performing numerical simulation in Simulink/MATLAB. © 2020 John Wiley & Sons Ltd.
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  • [1] Carey M.W., Et al., pp. 1-6, (2012)
  • [2] Imaida T., Et al., Ground-space bilateral teleoperation of ETS-VII robot arm by direct bilateral coupling under 7-s time delay condition, IEEE Trans Robot Autom, 20, 3, pp. 499-511, (2004)
  • [3] Ridao P., Et al., Underwater telerobotics for collaborative research, Advances in Telerobotics, pp. 347-359, (2007)
  • [4] Pegman G., Et al., Force-feedback teleoperation of an industrial robot in a nuclear spent fuel reprocessing plant, Indus Robot, 33, 3, pp. 178-186, (2006)
  • [5] Lirici M., Papaspyropoulos V., Angelini L., Telerobotics in medicine and surgery, Minim Invasive Ther Allied Technol, 6, 5-6, pp. 364-378, (1997)
  • [6] Ramos L., Wilianson P., Desarrollo de una Plataforma en Android para Teleoperación de un Sistema Robótico en Seguridad de Empresas y Almacenes, (2019)
  • [7] Hua C., Yang Y., Liu P.X., Output-feedback adaptive control of networked teleoperation system with time-varying delay and bounded inputs, IEEE/ASME Trans Mechatron, 20, 5, pp. 2009-2020, (2014)
  • [8] Slawinski E., Et al., Quantitative absolute transparency for bilateral teleoperation of mobile robots, IEEE Trans Syst Man Cybernet A Syst Humans, 42, 2, pp. 430-442, (2011)
  • [9] Anderson R.J., Spong M.W., Bilateral control of teleoperators with time delay, IEEE Trans Automat Control, 34, 5, pp. 494-501, (1989)
  • [10] Slama T., Et al., Experimental analysis of an internet-based bilateral teleoperation system with motion and force scaling using a model predictive controller, IEEE Trans Indus Electron, 55, 9, pp. 3290-3299, (2008)
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