Observer design for a class of multi-input multi-output nonlinear systems. (English) Zbl 1233.93014

Dong, Yali; Yang, Yingjuan

Int. J. Syst. Sci. 42, No. 4, 695-703 (2011).

Summary: In this article, the problem of state observer design for a class of multi-input multi-output nonlinear systems is considered. Via state transformation and the constructive use of a Lyapunov function, the new observer design approach is addressed by introducing a parameter \(\varepsilon \) in the observer. Some sufficient conditions are given which guarantee the estimation error to asymptotically converge to zero under adaptive conditions. An example is included to illustrate the method.

MSC:

93B07	Observability
93C10	Nonlinear systems in control theory
93B51	Design techniques (robust design, computer-aided design, etc.)

Keywords:

state observer design; multi-input multi-output nonlinear systems; Lyapunov function; adaptive conditions

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