期刊
NEURAL COMPUTING & APPLICATIONS
卷 34, 期 13, 页码 11123-11140出版社
SPRINGER LONDON LTD
DOI: 10.1007/s00521-022-07032-8
关键词
Prescribed performance; Input saturation; Large-scale nonlinear systems; Adaptive control; Multi-dimensional Taylor network
资金
- Shandong Provincial Natural Science Foundation, China [ZR2020QF055]
This paper investigates an adaptive decentralized predefined performance control problem for a class of large-scale nonlinear systems with nonsymmetric input saturation by using multi-dimensional taylor network (MTN) approach. The input saturation model is approximated by a smooth function with a bounded approximation error and unknown nonlinear functions are estimated by MTNs. A decentralized tracking control algorithm is established by integrating the idea of prescribed performance control into backstepping recursive technique. By using the designed MTN-based adaptive decentralized controller, all the closed-loop signals are bounded and all the tracking errors satisfy the predefined transient and steady-state performance, respectively. The presented control method is effective and verified through three examples in simulation results.
This paper investigates an adaptive decentralized predefined performance control problem for a class of large-scale nonlinear systems with nonsymmetric input saturation by using multi-dimensional taylor network (MTN) approach. Firstly, the input saturation model is approximated by a smooth function with a bounded approximation error and unknown nonlinear functions are estimated by MTNs. Secondly, a decentralized tracking control algorithm is established by integrating the idea of prescribed performance control into backstepping recursive technique. Thirdly, by using the designed MTN-based adaptive decentralized controller, all the closed-loop signals are bounded and all the tracking errors satisfy the predefined transient and steady-state performance, respectively. Finally, the presented control method is effective by introducing three examples, and the simulation results verify that the correctness and reasonableness of the proposed control algorithm.
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