By Topic

A control theory approach for analyzing the effects of data errors in safety-critical control systems

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Askerdal, O. ; Dept. of Comput. Eng., Chalmers Univ. of Technol., Goteborg, Sweden ; Gafvert, M. ; Hiller, M. ; Suri, N.

Computers are increasingly used for implementing control algorithms in safety-critical embedded applications, such as engine control, braking control and flight surface control. Addressing the consequent coupling of control performance with computer related errors, this paper develops a composite computer dependability/control theory methodology for analyzing the effects data errors have on control system dependability. The effect is measured as the resulting control error (defined as the difference between the desired value of a physical properly and its actual value). We use maximum bounds on this measure as the criterion for control system failure (i.e., if the control error exceeds a certain threshold, the system has failed). In this paper we a) present suitable models of computer faults for analysis of control level effects and related analysis methods, and b) apply traditional control theory analysis methods for understanding the effects of data errors on system dependability An automobile slip-control brake-system is used as an example showing the viability of our approach.

Published in:

Dependable Computing, 2002. Proceedings. 2002 Pacific Rim International Symposium on

Date of Conference:

16-18 Dec. 2002