对一类具有规定性能的非线性严格反馈系统进行自适应深度神经网络优化控制

IF 3.9 4区 计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS
Hongwei Lu, Jian Wu, Wei Wang
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引用次数: 0

摘要

摘要本文针对一类具有规定性能的非线性严格反馈系统,开发了一种自适应深度神经网络(DNN)优化控制策略。首先,应用 DNN 对未知函数进行近似,并根据一阶泰勒级数设计权重更新法则,以减少数学挑战。其次,利用优化反求技术在反求过程中构建虚拟控制器和实际控制器,以实现系统的整体控制优化。接着,采用基于时变开关函数和四元障Lyapunov函数的控制策略,以达到规定的性能。然后,跟踪误差能在规定时间内收敛到规定精度,系统内的每个信号都有一个约束。最后,利用粒子群优化算法搜索设计参数,并通过仿真实例验证控制策略的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive deep neural network optimized control for a class of nonlinear strict‐feedback systems with prescribed performance
SummaryIn this article, an adaptive deep neural network (DNN) optimized control strategy is developed for a class of nonlinear strict‐feedback systems with prescribed performance. First, the DNN is applied to approximate the unknown function, and the weight update law is designed to reduce the mathematical challenge based on the first‐order Taylor's series. Second, the optimized backstepping technique is utilized to construct virtual and actual controllers in the backstepping process to achieve the overall control optimization of the system. Next, a control strategy based on the time‐varying switching function and the quartic barrier Lyapunov function is employed to achieve the prescribed performance. Then, the tracking error can converge to the prescribed accuracy within the prescribed time, and every signal within the system has a bound. Finally, the particle swarm optimization algorithm is utilized to search for the designed parameters and simulation examples to verify the effectiveness of the control strategy.
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来源期刊
CiteScore
5.30
自引率
16.10%
发文量
163
审稿时长
5 months
期刊介绍: The International Journal of Adaptive Control and Signal Processing is concerned with the design, synthesis and application of estimators or controllers where adaptive features are needed to cope with uncertainties.Papers on signal processing should also have some relevance to adaptive systems. The journal focus is on model based control design approaches rather than heuristic or rule based control design methods. All papers will be expected to include significant novel material. Both the theory and application of adaptive systems and system identification are areas of interest. Papers on applications can include problems in the implementation of algorithms for real time signal processing and control. The stability, convergence, robustness and numerical aspects of adaptive algorithms are also suitable topics. The related subjects of controller tuning, filtering, networks and switching theory are also of interest. Principal areas to be addressed include: Auto-Tuning, Self-Tuning and Model Reference Adaptive Controllers Nonlinear, Robust and Intelligent Adaptive Controllers Linear and Nonlinear Multivariable System Identification and Estimation Identification of Linear Parameter Varying, Distributed and Hybrid Systems Multiple Model Adaptive Control Adaptive Signal processing Theory and Algorithms Adaptation in Multi-Agent Systems Condition Monitoring Systems Fault Detection and Isolation Methods Fault Detection and Isolation Methods Fault-Tolerant Control (system supervision and diagnosis) Learning Systems and Adaptive Modelling Real Time Algorithms for Adaptive Signal Processing and Control Adaptive Signal Processing and Control Applications Adaptive Cloud Architectures and Networking Adaptive Mechanisms for Internet of Things Adaptive Sliding Mode Control.
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