Paper
7 October 2022 Hybrid control of force feedback and position feedback for bilateral teleoperation of underwater manipulator
Ni Liu, Yonglin Zhang, Mengyu Wu
Author Affiliations +
Proceedings Volume 12344, International Conference on Intelligent and Human-Computer Interaction Technology (IHCIT 2022); 1234408 (2022) https://doi.org/10.1117/12.2655284
Event: International Conference on Intelligent and Human-Computer Interaction Technology (IHCIT 2022), 2022, Zhuhai, China
Abstract
Aiming at the problems of external disturbance such as underwater ocean current and joint friction of master-slave manipulator in underwater teleoperation system, the bilateral control algorithm of master-slave manipulator was optimized under the hybrid control structure of force feedback and position feedback. In order to track the interaction force between the master manipulator and the slave manipulator, the grey predictive fuzzy control with error compensation is used to adjust the force feedback error, and it is mixed with the traditional PID control to achieve better control effect. In order to track the position of the master for the slave manipulator, a fuzzy adaptive system that based on the traditional sliding mode control, is used to adjust the switching gain. Estimate the upper bound of the external interference, and a robust term is designed to suppress the error estimation. The stability and convergence of the optimized system are proved by Lyapunov stability theory. Comparative simulation experiments on MATLAB/Simulink platform were carried out to verify the effectiveness of the optimization algorithm.
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Ni Liu, Yonglin Zhang, and Mengyu Wu "Hybrid control of force feedback and position feedback for bilateral teleoperation of underwater manipulator", Proc. SPIE 12344, International Conference on Intelligent and Human-Computer Interaction Technology (IHCIT 2022), 1234408 (7 October 2022); https://doi.org/10.1117/12.2655284
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KEYWORDS
Control systems

Fuzzy systems

Feedback control

Fuzzy logic

Detection and tracking algorithms

Telecommunications

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