BibTeX
@MISC{Hecht_processcontrol,
author = {Myron Hecht and Jeffrey Agron and Herbert Hecht and K. H. Kim},
title = {PROCESS CONTROL APPLICATIONS},
year = {}
}
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Abstract
A distributed fault tolerant system for process control based on an enhancement of the Distributed Recovery Block has been implemented and integrated into a chemical processing system. Fault tolerance provisions in the system cover software faults by use of the distributed recovery block ORB); hardware faults by means of replication and the DRB; system software faults by means of replication, loose coupling, periodic status messages, and a restart capability; and network faults by means of replication and diverse interconnection paths. Maintainability is enhanced through an automated restart capability and logging function resident on a system supervisor node. 1
Keyphrases
process control application system software fault system cover software fault network fault diverse interconnection path function resident distributed recovery block orb restart capability periodic status message distributed recovery block loose coupling automated restart capability process control hardware fault system supervisor node distributed fault tolerant system chemical processing system fault tolerance provision
