Title :
An improved PWCS approach on observability analysis of linear time-varying system
Author :
Kong Xingwei ; Guo Meifeng ; Dong Jingxin
Author_Institution :
Dept. of Precision Instrum. & Mechanology, Tsinghua Univ., Beijing, China
Abstract :
The piece-wise constant system (PWCS) observability analysis approach is an efficient method of analyzing the observability of linear time-varying systems. An improved approach is proposed to makes the analytical analysis simpler by eliminating redundant computation and simplifying the analysis process. Using the improved approach, the relation between the observability and the system status can be easily identified. The improved PWCS observability approach is used to analyze the strapdown inertial navigation system rapid transfer alignment model, which is a typical time-varying system. A simulation result validates the efficiency and advantage of the improved PWCS observability approach.
Keywords :
control system analysis; linear systems; observability; piecewise constant techniques; time-varying systems; PWCS approach; linear time-varying system; observability analysis; piece-wise constant system; rapid transfer alignment model; strapdown inertial navigation system; Computational modeling; Control systems; Educational institutions; Inertial navigation; Instruments; Laboratories; Linear systems; Military computing; Observability; Time varying systems; linear time-varying system; observability; piece-wise constant system (PWCS); rapid transfer alignment (RTA);
Conference_Titel :
Control and Decision Conference, 2009. CCDC '09. Chinese
Conference_Location :
Guilin
Print_ISBN :
978-1-4244-2722-2
Electronic_ISBN :
978-1-4244-2723-9
DOI :
10.1109/CCDC.2009.5191865
