A simple hierarchy for computing controlled invariant sets

A simple hierarchy for computing controlled invariant sets
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用于计算受控不变集的简单层次结构

DOI:
10.1145/3365365.3382205
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发表时间:
2020
期刊:
HSCC '20: Proceedings of the 23rd International Conference on Hybrid Systems: Computation and Control
影响因子:
--
通讯作者:
Tabuada, Paulo
Tabuada, Paulo
中科院分区:
--
文献类型:
--
作者:
Anevlavis, Tzanis;Tabuada, Paulo

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在本文中,我们重新计算可控离散时间线性系统的控制不变集的问题,并提出了一种新的层次计算。关键的洞察力是提升的问题到一个更高的维度空间,最大的控制不变集可以计算准确,并在封闭形式的提升系统。通过将这个集合投影到原空间中,我们得到一个受控不变集,它是原系统的最大受控不变集的子集。基于这一认识,我们在本文中描述了一个层次的空间,原来的问题可以解除,以获得一个序列的增加控制不变集。从所提出的层次结构的结果的算法不依赖于迭代计算。我们说明了所提出的方法在各种情况下的表现,举例说明其吸引力。
In this paper we revisit the problem of computing controlled invariant sets for controllable discrete-time linear systems and present a novel hierarchy for their computation. The key insight is to lift the problem to a higher dimensional space where the maximal controlled invariant set can be computed exactly and in closed-form for the lifted system. By projecting this set into the original space we obtain a controlled invariant set that is a subset of the maximal controlled invariant set for the original system. Building upon this insight we describe in this paper a hierarchy of spaces where the original problem can be lifted into so as to obtain a sequence of increasing controlled invariant sets. The algorithm that results from the proposed hierarchy does not rely on iterative computations. We illustrate the performance of the proposed method on a variety of scenarios exemplifying its appeal.
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