Delta算子时滞不确定系统的非线性滑模控制

来源 :第26届中国过程控制会议 | 被引量 : 0次 | 上传用户:youlanbihai
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  研究了一类δ算子系统的滑模控制问题。首先,研究了带有时滞的δ算子不确定系统,并引入一种能够动态改善系统运动品质的非线性滑模面,利用线性矩阵不等式技术,得出了滑模面存在的充分条件,并给出具体设计方法。其次,基于一种改进的自适应趋近律,设计了相应的滑模控制器,保证系统状态能够在有限时间内到达滑模面,从而将此类非线性系统的滑模控制的设计推广到了现代高速采样条件下的时滞不确定非线性系统。最后,通过一个仿真算例验证了采用本文所提的非线性滑模控制方法,系统的状态是渐近稳定的,且具有良好的动态性能,表明了该方法的可行性和有效性。
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