Abstract
The use of Interval Analysis for numerical simulation of power electronic circuits is discussed in this paper. It is shown that Interval Analysis is an optimal tool for such kind of applications since switching circuits operate upon sequences of time intervals bounded by instants that are zeros of non-linear non-monotonic functions. The main advantages offered by Interval Analysis are pointed out in the context of a new approach proposed to solve the problems of steady-state and transient analysis. In particular, it is shown that for steady-state analysis a robust and fast IA-based method can be adopted which generates a sequence of virtual solutions that converges towards the right steady-state solution within few iterations, without any prior knowledge about the mode of operation of the circuit. Some examples of applications are proposed, including chaos, subharmonics and circuit collapse.
Published Version
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