NDLI: Online observability optimization for state affine systems with output injection and observer design

Content Provider	IEEE Xplore Digital Library
Author	Scola, I.R. Besancon, G. Georges, D.
Copyright Year	2013
Description	Author affiliation: Control Syst. Dept., Inst. Univ. de France, St. Martin d'Hères, France (Besancon, G.) \|\| Control Syst. Dept., Grenoble Inst. of Technol., St. Martin d'Hères, France (Scola, I.R.; Georges, D.)
Abstract	Observability being in general subject to the applied input for a nonlinear system, the aim of the present work is to propose an input selection strategy for a special class of systems, so as to make them observable. The considered systems are those admitting a state-affine structure with output injection. For such systems, an online algorithm is proposed to compute an appropriate input in real time. It guarantees observability by ensuring a lower bound on the related Gramian, and minimizes at the same time the input variations with respect to some reference value required for the system operation. This computation is updated at each time with the new output measurements becoming available. The proposed methodology is illustrated on a piping system example, for which an exponential observer is finally obtained.
Starting Page	609
Ending Page	614
File Size	832661
Page Count	6
File Format	PDF
e-ISBN	9781479909971
DOI	10.1109/MED.2013.6608785
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-25
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	nonlinear systems Pipelines excitation leak detection Observers Eigenvalues and eigenfunctions Observability observability Optimization Convergence
Content Type	Text
Resource Type	Article

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