Hierarchical Control for Continuous-time Systems via General Approximate Alternating Simulation Relations
Abstract
This paper introduces a general approximate alternating simulation relation (-gAAS relation) for continuous-time systems, which relaxes existing simulation relations to tolerate larger mismatches between abstract and concrete models. The definition of gAAS for continuous-time systems is first proposed, and its properties are investigated. Then, a control refinement method is developed to enable hierarchical control for the gAAS relation. Finally, case studies demonstrate the effectiveness of the proposed approach, highlighting its advantages over existing methods.
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