The aim of this paper is to show how mechanical systems with time-varying inertia can be modeled by using the Power-Oriented Graphs technique. The reduced time-varying system is obtained starting from an extended Power-Oriented Graph model with masses and elasticities and applying a rectangular congruent transformation which eliminates the elasticities. The presented method is compared with the well established Bond Graphs modeling technique. The model of a crank-connecting rod system is considered as an example.
The power-oriented graphs for modeling mechanical systems with time-varying inertia / Zanasi, Roberto; Grossi, Federica. - (2014), pp. 1-6. (Intervento presentato al convegno 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014 tenutosi a Coimbra, Portogallo nel 27-30 Oct. 2014) [10.1109/VPPC.2014.7007143].
The power-oriented graphs for modeling mechanical systems with time-varying inertia
ZANASI, Roberto;GROSSI, Federica
2014
Abstract
The aim of this paper is to show how mechanical systems with time-varying inertia can be modeled by using the Power-Oriented Graphs technique. The reduced time-varying system is obtained starting from an extended Power-Oriented Graph model with masses and elasticities and applying a rectangular congruent transformation which eliminates the elasticities. The presented method is compared with the well established Bond Graphs modeling technique. The model of a crank-connecting rod system is considered as an example.
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