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A comparison between bond graphs switching modelling techniques implemented on a boost dc-dc converter

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3 Author(s)
Markakis, A. ; Sch. of Syst. Eng., Univ. of Reading, Reading, UK ; Holderbaum, W. ; Potter, B.

A Bond Graph is a graphical modelling technique that allows the representation of energy flow between the components of a system. When used to model power electronic systems, it is necessary to incorporate bond graph elements to represent a switch. In this paper, three different methods of modelling switching devices are compared and contrasted: the Modulated Transformer with a binary modulation ratio (MTF), the ideal switch element, and the Switched Power Junction (SPJ) method. These three methods are used to model a dc-dc Boost converter and then run simulations in MATLAB/SIMULINK. To provide a reference to compare results, the converter is also simulated using PSPICE. Both quantitative and qualitative comparisons are made to determine the suitability of each of the three Bond Graph switch models in specific power electronics applications.

Published in:

Telecommunications Energy Conference (INTELEC), 2011 IEEE 33rd International

Date of Conference:

9-13 Oct. 2011