Fixed-time sliding mode control for hypersonic morphing vehicles via event-triggering mechanism

Hao Zhang; Peng Wang; Guojian TangWeimin Bao

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Fixed-time sliding mode control for hypersonic morphing vehicles via event-triggering mechanism

机译：Fixed-time sliding mode control for hypersonic morphing vehicles via event-triggering mechanism

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摘要

The event-triggered fixed-time control technique for hypersonic morphing vehicles is discussed in this paper. For simplification, the control-oriented model with morphing-span wings is established. Strong robustness and adaption are demanded since the aerodynamic characteristic change caused by the span morphing is significant. To ensure convergence, the multivariable sliding mode manifold is developed based on fixed-time control technology. The switching dynamic event-triggering mechanism is studied to save the resource of the flight control system. The proposed strategy guarantees a direct control input design. The Lyapunov theory is employed to reveal the fixed-time stability of the closed-loop system. Three simulation cases are introduced to examine the detailed performance.

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来源
《Aerospace science and technology》 |2023年第9期|108458.1-108458.20|共20页
作者
Hao Zhang; Peng Wang; Guojian TangWeimin Bao;
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作者单位

National University of Defense Technology, College of Aerospace Science and Engineering, China;

China Aerospace Science & Technology Corporation, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Hypersonic morphing vehicle; Fixed-time control; Multivariable sliding mode manifold; Sliding mode control; Switching dynamic event-triggering mechanism;

Fixed-time sliding mode control for hypersonic morphing vehicles via event-triggering mechanism

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