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离散时间系统重复控制的理想误差动态方法

, PP. 1771-1778

Keywords: 理想误差动态,重复控制,逆变器,离散时间系统

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Abstract:

针对周期参考信号下的离散时间系统,引入吸引律构造理想误差动态特性,并基于理想误差动态设计重复控制器.重复控制能够实现周期性扰动的完全抑制,从而提高控制能.为了消除颤振现象,以饱和函数替换重复控制器中的符号函数.分别推导了理想误差动态方程的单调减区域、吸引层和稳态误差带的边界,用于刻画误差动态行为,并给出了数值仿真结果.在逆变器装置上完成的实验进一步表明了所提出的重复控制方法的有效性.

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