Miriam García Soto
ABSTRACT
In this paper, we explain the architecture and implementation of the tool Averist that performs stability verification for linear hybrid systems. This tool implements a hybridization method for approximating linear hybrid systems by hybrid systems with polyhedral inclusion dynamics. It also implements a new counterexample guided abstraction refinement framework for analyzing the hybrid systems with polyhedral inclusion dynamics that are generated as a result of the hybridization. Some of the main features of our tool are as follows: (1) our tool is based on algorithmic techniques that do not rely on the computation of Lyapunov functions, (2) it returns a counterexample when it fails to establish stability, (3) it is less prone to numerical instability issues as compared to Lyapunov function based tools.
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Index Terms
- Averist: Algorithmic Verifier for Stability of Linear Hybrid Systems
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