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基于未建模动态补偿的非线性自适应切换控制方法

柴天佑 张亚军

柴天佑, 张亚军. 基于未建模动态补偿的非线性自适应切换控制方法. 自动化学报, 2011, 37(7): 773-786. doi: 10.3724/SP.J.1004.2011.00773
引用本文: 柴天佑, 张亚军. 基于未建模动态补偿的非线性自适应切换控制方法. 自动化学报, 2011, 37(7): 773-786. doi: 10.3724/SP.J.1004.2011.00773
CHAI Tian-You, ZHANG Ya-Jun. Nonlinear Adaptive Switching Control Method Based on Unmodeled Dynamics Compensation. ACTA AUTOMATICA SINICA, 2011, 37(7): 773-786. doi: 10.3724/SP.J.1004.2011.00773
Citation: CHAI Tian-You, ZHANG Ya-Jun. Nonlinear Adaptive Switching Control Method Based on Unmodeled Dynamics Compensation. ACTA AUTOMATICA SINICA, 2011, 37(7): 773-786. doi: 10.3724/SP.J.1004.2011.00773

基于未建模动态补偿的非线性自适应切换控制方法

doi: 10.3724/SP.J.1004.2011.00773

Nonlinear Adaptive Switching Control Method Based on Unmodeled Dynamics Compensation

  • 摘要: 针对一类不确定的离散时间零动态不稳定的单输入-单输出(Single-input single-output, SISO)非线性系统,提出了一种基于未建模动态补偿的非线性控制器. 采用自适应神经模糊推理系统(Adaptive-network-based fuzzy inference system, ANFIS)和一一映射相结合的方法估计未建模动态.在此基础上,提出了由线性自 适应控制器、非线性自适应控制器以及切换机制组成的自适应切换控制方法.该方法通过对上述两种控制器的切换, 保证闭环系统输入输出信号有界的同时,改善系统性能.本文将要求未建模动态全局有界的条件放宽为线性增长, 建立了所提自适应控制方法的稳定性和收敛性分析.通过仿真比较和水箱的液位控制实验,验证了所提方法的有效性.
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  • 收稿日期:  2010-10-15
  • 修回日期:  2011-01-22
  • 刊出日期:  2011-07-20

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