<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper develops a new approach to double fault isolation in linear systems with the aid of directional residuals. The method of residual generation for computational as well as internal forms is applied. Isolation of double faults is based on the investigation of the coplanarity of the residual vector with the planes defined by the individual pairs of directional fault vectors. Additionally, the method of designing secondary residuals, which are structured and directional, is proposed. These transformations allow achieving various isolation properties. It is shown that double fault distinguishability can be improved by decomposing the observed residual vector along the response directions. The described methods are illustrated with a simple computational example.</p></abstract>

This paper develops a new approach to double fault isolation in linear systems with the aid of directional residuals. The method of residual generation for computational as well as internal forms is applied. Isolation of double faults is based on the investigation of the coplanarity of the residual vector with the planes defined by the individual pairs of directional fault vectors. Additionally, the method of designing secondary residuals, which are structured and directional, is proposed. These transformations allow achieving various isolation properties. It is shown that double fault distinguishability can be improved by decomposing the observed residual vector along the response directions. The described methods are illustrated with a simple computational example.

Double fault distinguishability in linear systems

Institute of Automatic Control and Robotics Warsaw University of Technology, ul. św. Andrzeja Boboli 8, 02-525 Warsaw, Poland

International Journal of Applied Mathematics and Computer Science

{"article-title":"Double fault distinguishability in linear systems"}

This paper develops a new approach to double fault isolation in linear systems with the aid of directional residuals. The method of residual generation for...

Double fault distinguishability in linear systems

Published Online: Jun 28, 2013

Page range: 395 - 406

DOI: https://doi.org/10.2478/amcs-2013-0030

This content is open access.