Abstract
We propose a new approximation technique for Hybrid Automata. Given any Hybrid Automaton H, we call Approx(H,k) the Polynomial Hybrid Automaton obtained by approximating each formula φ in H with the formulae φ k obtained by replacing the functions in φ with their Taylor polynomial of degree k. We prove that Approx(H,k) is an over–approximation of H. We study the conditions ensuring that, given any ε > 0, some k 0 exists such that, for all k>k 0, the “distance” between any vector satisfying φ k and at least one vector satisfying φ is less than ε. We study also conditions ensuring that, given any ε > 0, some k 0 exists such that, for all k > k 0, the “distance” between any configuration reached by Approx(H,k) in n steps and at least one configuration reached by H in n steps is less than ε.
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Lanotte, R., Tini, S. (2005). Taylor Approximation for Hybrid Systems. In: Morari, M., Thiele, L. (eds) Hybrid Systems: Computation and Control. HSCC 2005. Lecture Notes in Computer Science, vol 3414. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31954-2_26
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DOI: https://doi.org/10.1007/978-3-540-31954-2_26
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