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An Implicit Function Approach to Lyapunov functions for Interconnections Containing Non-ISS Components ?

机译:包含非ISS组件的互连的Lyapunov函数的隐式函数方法

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This paper addresses the problem of establishing internal and external stability of feedback interconnection of integral input-to-state stable systems. Construction of Lyapunov functions has been essential for establishing the stability when components are not input-to-state stable (ISS). Typical Lyapunov functions are in max-separable or sum-separable from. In contrast to the max construction, solutions to the sum construction have not been given intuitive interpretations. The max construction has limitations such as non-smoothness and incapability of guaranteeing stability in the presence of non-ISS components. This paper aims at constructing a Lyapunov function in the non-ISS case through simple geometrical observations. The approach leads to a novel construction mixing the max and sum separability. The new Lyapunov function gives much better invariant sets than the sum-separable ones known in the literature.
机译:本文解决了建立整体输入到状态稳定系统的反馈互连的内部和外部稳定性的问题。 Lyapunov函数的构造对于在组件未处于输入状态稳定(ISS)时建立稳定性至关重要。典型的Lyapunov函数具有最大可分离性或总和可分离性。与最大构造相反,求和构造的解决方案没有给出直观的解释。最大结构具有局限性,例如非光滑性,以及在非ISS组件存在时无法保证稳定性的限制。本文旨在通过简单的几何观察在非ISS情况下构造Lyapunov函数。该方法导致了将最大和总可分离性混合在一起的新颖构造。新的Lyapunov函数提供了比文献中已知的总和可分离集更好的不变集。

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