Modelling of switching systems in bond graphs using the concept of switched power junctions |
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Authors: | Amod C. Umarikar L. Umanand |
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Affiliation: | Centre for Electronic Design and Technology, Indian Institute of Science, Bangalore 560 012, India |
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Abstract: | Modelling of switching systems using bond graph is a research issue. There have been many proposals in this context. However, there are many issues that need consideration. This paper proposes the concept of switched power junctions that is a generalisation of the conventional junction concept in bond graph modelling. This approach removes most of the difficulties associated with other methodologies. This method ensures that causality remains invariant during mode switching thus keeping the state vector and its dimension time invariant. Further, the switched power junction displays all feasible system modes at the same time on the same graph. This concept is further illustrated through simulation using examples of switching systems in the electrical domain. |
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Keywords: | Bond graph Switching systems Switched power junctions |
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