Analysis of Switched and Hybrid Systems

Analysis of Switched and Hybrid Systems
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交换和混合系统分析

DOI:
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发表时间:
2004
期刊:
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影响因子:
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通讯作者:
A. Papachristodoulou
A. Papachristodoulou
中科院分区:
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文献类型:
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作者:
S. Prajna;A. Papachristodoulou

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本文提出了一种使用多项式和分段多项式 Lyapunov 函数对开关和混合系统进行稳定性分析的方法。 subh 函数的计算可以使用基于多元多项式的平方和分解的凸优化来执行。该分析比以前的方法有了一些改进,并开辟了新的可能性,包括以统一的方式处理非线性矢量场和/或切换表面以及参数鲁棒性分析的可能性。
This paper presents a method for stability analysis of switched and hybrid systems using polynomial and piecewise polynomial Lyapunov functions. Computation of subh functions can be performed using convex optimization, based on the sum of squares decomposition of multivariate polynomials. The analysis yields several improvements over previous methods and opens up new possibilities, including the possibility of treating nonlinear vector fields and/or switching surfaces and parametric robustness analysis in a unified way.