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摘要: 研究了滞后离散线性定常系统的准滑模变结构控制问题,给出了滞后离散线性定常系 统的准滑模,理想准滑模,非理想准滑模与准滑模带的概念;还给出了实现准滑模的条件.通过 非奇异线性变换,将上述系统化成了简约型,并给出了变结构控制律的设计方案.利用Lyapunov 函数法,证明了系统准滑模的稳定性.Abstract: In this paper, concepts of a linear time-invariant system are presented, including quasi-sliding mode (ideal and nonideal quasi-sliding modes) and quasi-sliding sector. Condition to realize quasi-sliding control is developed. The system mentioned above is simplified by nonsingular transform, design strategy of VSC law is given. Finally, quasi-sliding state of the system is proved stable by Lyapunov function.
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