Abstract

A hybrid systems is a combined discrete-time and continuous-time systems in which the values of continuous-time variables are governed by differential equations and discrete-time variables are updated at time instants called event times. In Scicos the DASKR and LSODAR solvers have been interfaced with the simulator to integrate the differential equations. These numerical solvers have many control parameters that should be used to optimize the simulation in different situations. Indeed, in the hybrid context, controlling the solver, which should be done automatically and should remain transparent to the user, is a complex matter due to the interactions between the continuous-time dynamics and the rest of the system. In this paper, the simulator of Scicos and its interface with the numerical solvers have been discussed.

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