Level-set approach for Reachability Analysis of Hybrid Systems under Lag ConstraintsReportar como inadecuado



 Level-set approach for Reachability Analysis of Hybrid Systems under Lag Constraints


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This study aims at characterizing a reachable set of a hybrid dynamical system with a lag constraint in the switch control. The setting does not consider any controllability assumptions and uses a level-set approach. The approach consists in the introduction of on adequate hybrid optimal control problem with lag constraints on the switch control whose value function allows a characterization of the reachable set. The value function is in turn characterized by a system of quasi-variational inequalities SQVI. We prove a comparison principle for the SQVI which shows uniqueness of its solution. A class of numerical finite differences schemes for solving the system of inequalities is proposed and the convergence of the numerical solution towards the value function is studied using the comparison principle. Some numerical examples illustrating the method are presented. Our study is motivated by an industrial application, namely, that of range extender electric vehicles. This class of electric vehicles uses an additional module - the range extender - as an extra source of energy in addition to its main source - a high voltage battery. The reachability study of this system is used to establish the maximum range of a simple vehicle model.



Autor: Giovanni Granato; Hasnaa Zidani

Fuente: https://archive.org/







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