基于观测器的中立时滞系统自适应滑模控制Observer-based Adaptive Sliding Mode Control for Uncertain Neutral Time-delay Systems
成咪,陈志梅
摘要(Abstract)：
针对含有外部扰动、时变时滞以及非线性输入约束的不确定中立时滞系统，提出了基于状态观测器的时滞系统自适应滑模控制方法。首先，通过构造状态观测器以及利用滑模控制理论，设计基于估计状态的积分型滑模面。其次，构造Lyapunov函数，给出误差系统与估计状态系统渐进稳定判据。最后考虑到系统输入非线性和不确定性上界在实际中难以确定的问题，在控制器设计中引入自适应控制理论。仿真研究结果表明所提出的基于观测器的自适应滑模控制方法在处理时滞以及非线性影响上效果良好，系统可以快速收敛并且无抖振，具有强鲁棒性。
关键词(KeyWords)： 中立时滞;非线性;滑模控制;自适应控制;观测器
基金项目(Foundation): 山西省自然科学研究基金(201901D111263);; 山西省重点研发计划项目(201803D121025);; 山西省研究生教育改革研究课题(2019JG173,2019JG165)
作者(Author): 成咪,陈志梅
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