\(H_ \infty\) filtering for a class of uncertain nonlinear systems. (English) Zbl 0784.93095
Summary: This paper investigates the problem of \(H_ \infty\) filtering for a class of uncertain continuous-time nonlinear systems with real time- varying parameter uncertainty and unknown initial state. We develop an infinite horizon \(H_ \infty\) filtering methodology which provides both robust stability and a guaranteed \(H_ \infty\) performance for the filtering error irrespective of the parameter uncertainty.
Keywords:
Riccati equations; \(H_ \infty\) filtering; continuous-time nonlinear systems; real time-varying parameter uncertaintyReferences:
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