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A distributed safety-critical system for real-time train control

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4 Author(s)
Ghosh, A.K. ; Dept. of Electr. Eng., Virginia Univ., Charlottesville, VA, USA ; Rana, V. ; Johnson, B.W. ; Profeta, J.A., III

An architecture and methodology for executing a train control application in an ultra-safe manner is presented in this paper. Prior work in advanced train control systems are summarized along with their assumptions and drawbacks. A flexible architecture that allows fault-tolerant and fail-safe operation is presented for a distributed control system. A safety assurance technique which detects errors in software and hardware for simplex systems is presented in this paper. Performance results important to real-time control are obtained from modeling and simulating the architecture. An experimental prototype implementing the architecture and safety assurance technique is described together with experimental results

Published in:

Industrial Electronics, Control, and Instrumentation, 1995., Proceedings of the 1995 IEEE IECON 21st International Conference on  (Volume:2 )

Date of Conference:

6-10 Nov 1995