Global practical stabilisation of a class of switched nonlinear systems via sampled-data control

Jun Mao, Zhengrong Xiang, Guisheng Zhai

研究成果: Article

1 引用 (Scopus)

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This paper investigates a global practical stabilisation problem of a class of switched nonlinear systems via sampled-data control, where all the subsystems are assumed to be in non-strict feedback form and all the z0-subsystems are not required to be input-to-state stable. Since the system states are unmeasurable and the output can only be measured at the sampling instants, an observer is designed to estimate the state. By adopting the multiple Lyapunov function method and the backstepping technique, a virtual controller is constructed, then a sampled-data controller is obtained by discretizing the designed virtual controller. With appropriate choice of a switching law and an allowable sampling period, it is proved that the designed sampled-data controller renders the corresponding closed-loop system to be globally practically stable. Finally, two examples are presented to illustrate effectiveness of the proposed methods.

元の言語English
ジャーナルInternational Journal of Control
DOI
出版物ステータスAccepted/In press - 2018 1 1

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications

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