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Evolution-guided value iteration for optimal tracking control
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DOI：10.1016/j.neucom.2024.127835.png)
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Abstract
En 中文
In this article, an evolution-guided value iteration (EGVI) algorithm is established to address optimal tracking problems for nonlinear nonaffine systems. Conventional adaptive dynamic programming algorithms rely on gradient information to improve the policy, which adheres to the first order necessity condition. Nonetheless, these methods encounter limitations when gradient information is intricate or system dynamics lack differentiability. In response to this challenge, evolutionary computation is leveraged by EGVI to search for the optimal policy without requiring an action network. The competition within the policy population serves as the driving force for policy improvement. Therefore, EGVI can effectively handle complex and non-differentiable systems. Additionally, this innovative method has the potential to enhance exploration efficiency and bolster the robustness of algorithms due to its population-based characteristics. Furthermore, the convergence of the algorithm and the stability of the policy are investigated based on the EGVI framework. Finally, the effectiveness of the established method is comprehensively demonstrated through two simulation experiments.
Keywords:
Adaptive critic designs
Adaptive dynamic programming
Evolutionary computation
Intelligent control
Optimal tracking
Reinforcement learning
Journal
IF:
6.5
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2.5W
Citations:
6.5W
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