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Robust adaptive control of a 6-DOF space robot with flexible panels

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Abstract

Robust adaptive control of a 6-DOF space robot with flexible panels are investigated in this paper. Dynamic model of the robot system is present firstly. Based on computed torque control method, a robust adaptive controller considering the uncertainties of the robot system is proposed to achieve the trajectory tracking and to suppress the elastic vibrations of the panels, and the stability of the controller is guaranteed by the Lyapunov stability theory. The trajectory tracking is performed by using the designed controller. Simulation results indicate that the designed controller can effectively make the robot system with uncertain parameters reach a desired target and the elastic vibration of the panels may be suppressed simultaneously.

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Acknowledgements

This work is supported by the Natural Science Foundation of China (11132001, 11272202 and 11472171), the Key Scientific Project of Shanghai Municipal Education Commission (14ZZ021), the Natural Science Foundation of Shanghai (14ZR1421000) and Special Fund for Talent Development of Minhang District of Shanghai.

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Authors and Affiliations

  1. Department of Engineering Mechanics, State Key Laboratory of Ocean Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Zhang-wei Yu & Guo-ping Cai

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  1. Zhang-wei Yu
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  2. Guo-ping Cai
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Correspondence to Guo-ping Cai.

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Yu, Zw., Cai, Gp. Robust adaptive control of a 6-DOF space robot with flexible panels. Int. J. Dynam. Control 7, 1370–1378 (2019). https://doi.org/10.1007/s40435-018-0459-2

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  • DOI: https://doi.org/10.1007/s40435-018-0459-2

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