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基于采样控制的一类本质非线性系统的全局镇定

DOI: 10.3724/SP.J.1004.2014.00379, PP. 379-384

Keywords: 全局镇定,本质非线性系统,非光滑控制,采样控制

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Abstract:

?针对一类含不确定参数的本质非线性系统,基于非光滑控制技术,提出了一种基于采样控制的全局非光滑镇定方案.首先,基于加幂积分技术和递归设计方法,提出了一类采样状态反馈控制器构造性设计方法.然后,通过合理地构造Lyapunvo泛函,严格地证明了存在一个最大采样周期可以保证闭环系统的全局渐近稳定性.由于控制器是离散形式的,所以在实际中易于用计算机来实现.仿真结果验证了该方法的有效性.

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