Luenberger observers for linear time-invariant systems modelled by bond graphs

César Pichardo-Almarza, Ahmed Rahmani, Geneviève Dauphin-Tanguy and Marisol Delgado

Mathematical and Computer Modelling of Dynamical Systems, 2006, vol. 12, issue 2-3, 219-234

Abstract: This paper shows how to build Luenberger observers for linear time-invariant systems modelled by bond graph. The methods are based on Luenberger's algebraic methods to design both full-order and reduced-order observers. The procedure for reduced-order observers uses the bicausality concept to simplify some classical matrix calculations (the calculation of matrix inverses is not needed), which is an important improvement mainly for large-scale systems. The calculation of the observer gains is based on the pole-placement techniques for linear systems modelled by bond graphs. As an application, both observers are designed for a vehicle suspension modelled by bond graphs.

Date: 2006
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DOI: 10.1080/13873950500068666

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