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Time-invariant uncertain systems: A necessary and sufficient condition for stability and instability via homogeneous parameter-dependent quadratic Lyapunov functions

机译:时不变的不确定系统:通过齐次参数相关的二次Lyapunov函数实现稳定性和不稳定性的充要条件

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摘要

This paper investigates linear systems with polynomial dependence on time-invariant uncertainties constrained in the simplex via homogeneous parameter-dependent quadratic Lyapunov functions (HPD-QLFs). It is shown that a sufficient condition for establishing whether the system is either stable or unstable can be obtained by solving a generalized eigenvalue problem. Moreover, this condition is also necessary by using a sufficiently large degree of the HPD-QLF.
机译:本文研究了通过均质参数相关的二次Lyapunov函数(HPD-QLF)约束单纯形约束的时不变不确定性的多项式线性系统。结果表明,通过解决广义特征值问题,可以获得确定系统是稳定还是不稳定的充分条件。此外,通过使用足够大的HPD-QLF,该条件也是必要的。

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