Adaptive fuzzy echo state network optimal synchronization control of hybrid–order chaotic systems via reinforcement learning

Mei Zhong, Chengdai Huang, Jinde Cao and Heng Liu

Chaos, Solitons & Fractals, 2024, vol. 181, issue C

Abstract: In this paper, a novel optimal synchronization control scheme for fractional–integer hybrid–order chaotic systems is formulated. To deal with the fractional–order (FO) constraint, a transformation programme is developed and then the master system considered as an FO chaotic system is transformed into an integer–order one. A fuzzy echo state network (FESN) with the advantages of both fuzzy logic system and echo state network is introduced to approximate system uncertainty. Simultaneously, to alleviate the resource pressure, an optimal synchronization control is proposed in the light of the reinforcement learning mechanism, in which critic–actor update laws are constructed through the negative gradient of a positive function with regard to Bellman residual. Compared to typical fuzzy synchronization control, the devised FESN synchronization scheme with the same computational complexity possess superior approximation ability and synchronization performance. Ultimately, three simulation cases are exhibited to check the validity of the proposed approach.

Keywords: Chaotic system; Synchronization control; Fuzzy echo state network; Optimal control; Reinforcement learning (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:181:y:2024:i:c:s0960077924002170

DOI: 10.1016/j.chaos.2024.114665

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