Title :
Rao-Blackwellised particle filtering for fault diagnosis
Author :
De Freitas, Nando
Author_Institution :
Dept. of Comput. Sci., British Columbia Univ., Vancouver, BC, Canada
Abstract :
We tackle the fault diagnosis problem using conditionally Gaussian state space models and an efficient Monte Carlo method known as Rao-Blackwellised particle filtering. In this setting, there is one different linear-Gaussian state space model for each possible discrete state of operation. The task of diagnosis is to identify the discrete state of operation using the continuous measurements corrupted by Gaussian noise. The method is applied to the diagnosis of faults in planetary rovers.
Keywords :
Gaussian noise; Monte Carlo methods; fault diagnosis; log normal distribution; planetary rovers; reliability; space vehicles; state-space methods; Gaussian noise-corrupted continuous measurements; Monte Carlo method; Rao-Blackwellised particle filtering; conditionally Gaussian state space models; discrete operation state; fault diagnosis; linear-Gaussian state space model; planetary rovers; Distributed computing; Extraterrestrial measurements; Fault diagnosis; Filtering; Gaussian noise; Monte Carlo methods; Noise measurement; Particle filters; Robot sensing systems; State-space methods;
Conference_Titel :
Aerospace Conference Proceedings, 2002. IEEE
Print_ISBN :
0-7803-7231-X
DOI :
10.1109/AERO.2002.1036890