About input selection in observer design for non-uniformly observable systems
Résumé
In this paper the problem of inputs in observer design for systems which are not uniformly observable is considered. It is emphasized how it amounts to a control problem, which can be solved in a general way by some appropriate optimization approach. This is illustrated on the basis of a quite general Kalman-like observer form - possibly with high gain, as well as related simulation results on an application example.