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Title:

Integration of Fault Detection and Identification into a Fault Tolerant Automated Highway System: Final Report
Cover of Integration of Fault Detection and Identification into a Fault Tolerant Automated Highway System: Final Report

Accession Number:

01443073

Record Type:

Monograph

Availability:

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Order URL: http://worldcat.org/issn/10551425

Abstract:

This report concerns vehicle fault detection and identification. A vehicle health monitoring approach based on analytical redundancy is described. Fault detection filters and parity equations use the control commands and sensor measurements to generate the residuals which have a unique static pattern in response to each fault. This allows the faults not only to be detected, but also identified. Sensor noise, process disturbances, system parameter variations, unmodeled dynamics and nonlinearities can distort these static patterns. A Shiryayev sequential probability ratio test that has been extended to multiple hypotheses examines the fault detection filter and parity equation residuals and generates the probability of the presence of a fault. A point design of fault detection filters and parity equations is developed for the longitudinal dynamics of a vehicle. Fault detection filters are evaluated using empirical data. The preliminary evaluation is promising in that the fault detection filters can detect and identify actuator and sensor faults as expected even under various disturbances and uncertainties.

Report/Paper Numbers:

UCB-ITS-PRR-2002-36

Language:

English

Corporate Authors:

University of California, Berkeley

Institute of Transportation Studies
McLaughlin Hall
Berkeley, CA 94720 United States

University of California, Los Angeles

Department of Mechanics and Structures
Los Angeles, CA 90024 United States

California Department of Transportation

Office of Research, P.O. Box 942873
Sacramento, CA 94273-0001 United States

Authors:

Chen, R H
Ng, H K
Speyer, J L
Mingori, D L

Pagination:

62p

Publication Date:

2002-12

Serial:

PATH Research Report

Publisher: University of California, Berkeley
ISSN: 1055-1425

Media Type:

Digital/other

Subject Areas:

Operations and Traffic Management

Source Agency:

ARRB Group Limited

500 Burwood Highway
Vermont South, Victoria 3133

Files:

ITRD, CALTRANS, TRIS, ATRI, STATEDOT

Created Date:

Aug 25 2012 1:03AM