Title :
A simplified method of PWCS observability analysis theory by research of general expressions
Author :
Lu Jiazhen ; Xie Lili ; Zhang Chunxi ; Wang Yan
Author_Institution :
Sch. of Instrum. Sci. & Opto-Electron. Eng., Beijing Univ. of Aeronaut. & Astronaut., Beijing, China
Abstract :
A novel method is discussed to simplify the calculation and analysis procedure of PWCS (piece-wise constant system) Observability Analysis Theory. By research of simplified and general expressions of observable variables, this method can be easily used to identify the relationships between observability variations and different time segments. A new transformed stripped observability matrix (TSOM) or a simplified TSOM is introduced which simplifies the analysis. The simplified observability analysis is presented as a step-by-step procedure. The use of the new method is illustrated by considering on-line calibration of a dynamic tuned gyro (DTG) strap-down inertial navigation system (SINS) on moving base. Simulation results validate the new approach.
Keywords :
control system analysis; matrix algebra; observability; piecewise constant techniques; DTG strap-down inertial navigation system; PWCS observability analysis theory; TSOM; dynamic tuned gyro; observable variables; piecewise constant system; strap-down inertial navigation system; time segments; transformed stripped observability matrix; Acceleration; Calibration; Inertial navigation; Observability; Silicon compounds; Time-varying systems; inertial navigationa; observability analysis; piece-wise constant system;
Conference_Titel :
Mechatronic Sciences, Electric Engineering and Computer (MEC), Proceedings 2013 International Conference on
Conference_Location :
Shengyang
Print_ISBN :
978-1-4799-2564-3
DOI :
10.1109/MEC.2013.6885066
