混杂系统基于双测度的实用稳定性分析
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国家自然科学基金——青年科学基金项目〖JP2〗(No.12001362),面上项目(No.11526132);〖JP2〗上海市自然科学基金项目(No.16ZR1412700)


Practical Stability Analysis for Hybrid Systems in Terms of Two Measures
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    摘要:

    混杂系统是一种时间尺度上的动力系统,具有复杂性和特殊性,它的演化依赖于连续变量和离散事件之间的相互作用。控制系统的稳定性研究是一个重要问题,在双测度条件下对一般时间尺度上的混杂系统进行了实用稳定性分析。首先将双测度实用稳定性概念引入到一般时间尺度上的混杂系统的研究。其次利用Lyapunov函数以及比较原理,给出了双测度意义下一般时间尺度混杂系统的实用稳定性判据。上述工作丰富和推进了混杂系统稳定性方面的研究。

    Abstract:

    The hybrid system is a kind of dynamic systems on time scales, its evolution demonstrates the interplay of continuous variables and discrete events. The research of the stability for control systems is an important issue to the theory exploring and engineering practice. For the hybrid system, even if each subsystem is stable, it does not mean that the whole system is stable; on the contrary, if one or several subsystems are unstable, the whole system may also be stable, which is the complexity and specificity of the hybrid system. In practice, when the designed system is in a mathematically unstable state and it swings sufficiently close to this state, this performance is acceptable according to the definition of the practical stability. Therefore, it is meaningful to propose the concept of the practical stability on time scales for hybrid systems. The main contribution is to present the practical stability analysis of hybrid systems in terms of two measures on time scales. First, some concepts of the practical stability in terms of two measures are introduced into the research of hybrid systems on general time scales. Then, by means of Lyapunov functions and the comparison principle, some sufficient conditions of the practical stability for hybrid systems in terms of two measures on general time scales are obtained. Above work enriches and promotes the research on the stability of hybrid systems.

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夏正威,邵文婷.混杂系统基于双测度的实用稳定性分析[J].重庆师范大学学报自然科学版,2025,42(3):90-95

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  • 在线发布日期: 2025-07-16