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Active Optimal Fault-Tolerant Control Method for Multi-fault Concurrent Modular Manipulator Based on Adaptive Dynamic Programming

  • Bing Li
  • Fan Zhou
  • Bo Dong
  • Yucheng Liu
  • Fu Liu
  • Huiqiu Lu
  • Yuanchun LiEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11555)

Abstract

In this paper, a novel active optimal fault-tolerant control (FTC) scheme is designed based on adaptive dynamic programming (ADP) for modular manipulator when sensor and actuator faults are concurrency. Firstly, the sensor fault is transformed into the pseudo-actuator fault by constructing a nonlinear transformation with diffeomorphism theory. Secondly, the faults estimated by the adaptive fault observer are applied to establish an improved performance index function. Next, the online policy iteration (PI) algorithm is used to solve the Hamilton-Jacobi-Bellman (HJB) equation via establishing a critic neural network. The optimal fault-tolerant controller is proved to be uniformly ultimately bounded (UUB) based on Lyapunov stable theory. Finally, the effectiveness of the proposed multi-fault-tolerant control algorithm is verified by simulation results.

Keywords

Adaptive dynamic programming Modular manipulators Optimal fault-tolerant control Critic neural network Policy iteration 

Notes

Acknowledgement

This work is supported by the National Natural Science Foundation of China (Grant nos. 61374051, 61773075 and 61703055) and the Scientific Technological Development Plan Project in Jilin Province of China (Grant nos. 20170204067GX, 20160520013JH and 20160414033GH).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Bing Li
    • 1
  • Fan Zhou
    • 1
  • Bo Dong
    • 1
  • Yucheng Liu
    • 1
  • Fu Liu
    • 2
  • Huiqiu Lu
    • 2
  • Yuanchun Li
    • 1
    Email author
  1. 1.Department of Control Science and EngineeringChangchun University of TechnologyChangchunChina
  2. 2.Department of Control Science and EngineeringJilin UniversityChangchunChina

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