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输入饱和下的非线性积分系统的全局有限时间镇定

DOI: 10.3724/SP.J.1004.2011.01222, PP. 1222-1231

Keywords: 非线性系统,有限时间镇定,饱和控制,积分系统

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Abstract:

?针对一类非线性积分系统,利用有限时间控制技术,提出了一种输入饱和情况下的全局有限时间控制方案.首先,基于有限时间Lyapunov稳定性理论,设计镇定系统的全局有限时间递归控制器.然后,将该递归控制器与饱和函数结合得到饱和控制器.数学上严格证明了在该饱和控制器的作用下,闭环系统满足全局有限时间稳定性.仿真结果验证了该方法的有效性.

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