NDLI: A Distributed Diagnosis Approach to Fault Tolerant Multi-rate Real-Time Embedded Systems

Content Provider	IEEE Xplore Digital Library
Author	Khilar, P.M. Mahapatra, S.
Copyright Year	2007
Description	Author affiliation: NIT Rourkela, Rourkela (Khilar, P.M.)
Abstract	Advanced safety-critical control applications such as fly-by- wire and steer-by-wire are being realized as distributed systems comprising many embedded processors, sensors, and actuators interconnected via a communication medium. They have severe cost constraints but demand a high level of safety and performance. Recently, the authors in paper (Kandasamy et al., 2005) have developed a diagnosis approach for single rate steer-by-wire system. Motivated by the need for timely diagnosis of faulty actuators and processors in multi-rate fly-by-wire systems, we present a general method to implement failure diagnosis under deadline and resource constraints. The proposed method has been compared with the approach given in (Kandasamy et al., 2005). The diagnostic tasks are executed concurrently with control tasks so that actuators and system processors are diagnosed in a distributed fashion to reach an agreement over fault-free units thereby isolating the faulty units. The simulation results are presented evaluating the effectiveness of the proposed method under various design constraints.
Starting Page	167
Ending Page	172
File Size	462382
Page Count	6
File Format	PDF
ISBN	0769530680
DOI	10.1109/ICIT.2007.14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-17
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault diagnosis Real time systems Actuators Costs Fault tolerant systems Embedded system Communication system control Control systems Sensor systems and applications Wire
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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