NDLI: Design and Analysis of Double One Out of Two with a Hot Standby Safety Redundant Structure

Content Provider	IET Digital Library
Author	Wen, Jiakun Cao, Yuan Ma, Lianchuan Du, Siqi
Abstract	In the rail transit system, the running foundation of the computer control system is required to be highly reliable, available and safe. A redundant system structure of double one out of two with a hot standby applied to the safety computer platform of the train control system is proposed in this paper. Considering the common cause failure, fault diagnosis rate, repair rate and switching success rate, the Markovian approach is adopted for modeling four safety redundant structures, including two out of three, double one out of two, one out of two with a hot standby and double one out of two with a hot standby. The calculation of the failure rate and PFH values is carried out with MATLAB to evaluate the reliability, safety and influencing factors of each structure. The final conclusion is that double one out of two with a hot standby structure can be best in the aspect of both reliability and safety with appropriate DC and β parameters.
Starting Page	586
Ending Page	594
Page Count	9
ISSN	10224653
Volume Number	29
e-ISSN	20755597
Issue Number	Issue 3, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/29/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2020.03.015
Journal	Chinese Journal of Electronics
Publisher Date	2020-05-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Common Cause Failure Computer Control System Double One Out of Two Redundant Structure Failure Rate Fault Diagnosis Fault Diagnosis Rate Hot Standby Safety Redundant Structure Hot Standby Structure Markov Processes Markovian Approach MATLAB Rail Traffic System Control Rail Transit System Railway Safety Railways Redundancy Redundant System Structure Reliability Repair Rate Safety Computer Platform Safety Redundant Structure Switching Success Rate Train Control System
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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