Title :
Observer design of linearly unobservable systems
Author :
Krener, Arthur J. ; Xiao, MingQing
Author_Institution :
Dept. of Math., California Univ., Davis, CA, USA
Abstract :
We provide a method for constructing local observers for some nonlinear systems around a critical point where the linearization is not observable or not detectable.
Keywords :
asymptotic stability; eigenvalues and eigenfunctions; matrix algebra; nonlinear control systems; nonlinear dynamical systems; observers; critical point; linearly unobservable systems; local observers; nonlinear observers; nonlinear systems; observer design; output injection; smooth nonlinear dynamical system; Design methodology; Equations; Kernel; Linear systems; Mathematics; Nonlinear dynamical systems; Nonlinear systems; Observers; State estimation;
Conference_Titel :
American Control Conference, 2002. Proceedings of the 2002
Print_ISBN :
0-7803-7298-0
DOI :
10.1109/ACC.2002.1024789