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A model-free deep integral policy iteration structure for robust control of uncertain systems

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  • Ding Wang
  • Ao Liu
  • Junfei Qiao

Abstract

In this paper, we develop an improved data-based integral policy iteration method to address the robust control issue for nonlinear systems. Combining multi-step neural networks with pre-training, the condition of selecting the initial admissible control policy is relaxed even though the information of system dynamics is unknown. Based on adaptive critic learning, the established algorithm is conducted to attain the optimal controller. Then, the robust control strategy is derived by adding the feedback gain. Furthermore, the computing error is considered during the process of implementing matrix inverse operation. Finally, two examples are presented to verify the effectiveness of the constructed algorithm.

Suggested Citation

  • Ding Wang & Ao Liu & Junfei Qiao, 2024. "A model-free deep integral policy iteration structure for robust control of uncertain systems," International Journal of Systems Science, Taylor & Francis Journals, vol. 55(8), pages 1571-1583, June.
    • Handle: RePEc:taf:tsysxx:v:55:y:2024:i:8:p:1571-1583
    DOI: 10.1080/00207721.2024.2312886
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