CLC number: U28
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2011-09-26
Cited: 4
Clicked: 8637
Ping Tan, Wei-ting He, Jia Lin, Hong-ming Zhao, Jian Chu. Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system[J]. Journal of Zhejiang University Science A, 2011, 12(12): 926-935.
@article{title="Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system",
author="Ping Tan, Wei-ting He, Jia Lin, Hong-ming Zhao, Jian Chu",
journal="Journal of Zhejiang University Science A",
volume="12",
number="12",
pages="926-935",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A11GT003"
}
%0 Journal Article
%T Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system
%A Ping Tan
%A Wei-ting He
%A Jia Lin
%A Hong-ming Zhao
%A Jian Chu
%J Journal of Zhejiang University SCIENCE A
%V 12
%N 12
%P 926-935
%@ 1673-565X
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A11GT003
TY - JOUR
T1 - Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system
A1 - Ping Tan
A1 - Wei-ting He
A1 - Jia Lin
A1 - Hong-ming Zhao
A1 - Jian Chu
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 12
SP - 926
EP - 935
%@ 1673-565X
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A11GT003
Abstract: With the development of high-speed railways in China, more than 2000 high-speed trains will be put into use. Safety and efficiency of railway transportation is increasingly important. We have designed a availability quadruple vital computer (HAQVC)%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>high availability quadruple vital computer (HAQVC) system based on the analysis of the architecture of the traditional double 2-out-of-2 system and 2-out-of-3 system. The HAQVC system is a system with high availability and safety, with prominent characteristics such as fire-new internal architecture, high efficiency, reliable data interaction mechanism, and operation state change mechanism. The hardware of the vital CPU is based on ARM7 with the real-time embedded safe operation system (ES-OS). The Markov modeling method is designed to evaluate the reliability, availability, maintainability, and safety (RAMS) of the system. In this paper, we demonstrate that the HAQVC system is more reliable than the all voting triple modular redundancy (AVTMR) system and double 2-out-of-2 system. Thus, the design can be used for a specific application system, such as an airplane or high-speed railway system.
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