Port-based modeling of engineering systems in terms of bond graphs


Breedveld, Peter (2007) Port-based modeling of engineering systems in terms of bond graphs. In: Paul A. Fishwick (Ed.), Handbook of dynamic system modeling. CRC Computer and Information Science Series . Chapman & Hall, Boca Raton, London, New York, 26.1-26.29. ISBN 9781584885658

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Abstract:In this chapter the basics of the port-based approach are introduced as well as their natural notation, viz. bond graphs. The main advantages of their use are
(1) the domain-independence of the elementary behaviors and their graphical notation that allow quick analysis of dynamic interaction across domain boundaries;
(2) that not all ports have an a-priori fixed causality, thus allowing flexible reuse of submodels;
(3) the combination of physical and computational structure in one notation, thus allowing
a. direct physical interpretation of required changes
in model structure, e.g., for controller design,
b. direct feedback on modeling decisions,
c. direct graphical input for simulation software.
All these features contribute to rapid insight and the ability of efficient iteration during the modeling process. It is also demonstrated that various domains of physics that use some form of energy-based model formulation technique are all strongly related, even though terminology and a loss of conceptual distinction between conserved energy and its nonconserved Legendre transforms commonly obstructs this insight.
Item Type:Book Section
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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