Modelling a drop test of a landing gear using a hybrid bond graph

Margetts, Rebecca and Ngwompo, Roger F. and Fortes da Cruz, Marcelin (2013) Modelling a drop test of a landing gear using a hybrid bond graph. In: MIC 2013, February 2013, Innsbruck, Austria.

Full content URL: http://dx.doi.org/10.2316/P.2013.794-072

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Abstract

A landing gear is a good example of a highly nonlinear multidisciplinary system. Using hybrid modelling, nonlinear behaviour can be abstracted to discontinuous behaviour. Bond graphs are an established and intuitive method for constructing mathematical models of multiphysics dynamic systems. The Hybrid Bond Graph is therefore used here to demonstrate the modelling of a landing gear drop test. A distinction is drawn between structural and parametric discontinuities, represented using controlled junctions and elements. Causally static and dynamic bond graphs are compared. A mixed Boolean mathematical model is obtained from the causally dynamic graph.

Keywords:Bond Graph, Physical Model, Hybrid Model, Hybrid Bond Graph.
Subjects:G Mathematical and Computer Sciences > G150 Mathematical Modelling
H Engineering > H310 Dynamics
H Engineering > H650 Systems Engineering
H Engineering > H400 Aerospace Engineering
Divisions:College of Science > School of Engineering
ID Code:9459
Deposited On:16 May 2013 12:05

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