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ISCAS OpenIR  > 软件所图书馆  > 2010软件所会议论文
题名:
software redundancy design for a human-machine interface in railway vehicles
作者: Zheng G. ; Chen J.
会议文集: WIT Transactions on the Built Environment
会议名称: 12th International Conference on Computer System Design and Operation in the Railways and other Transit Systems, COMPRAIL 2010
会议日期: August 31,
出版日期: 2010
会议地点: Beijing, China
关键词: Cost benefit analysis ; Fault tolerance ; Fault tolerant computer systems ; Locomotives ; Machine components ; Machine design ; Man machine systems ; Railroads ; Real time systems ; Redundancy ; Reliability analysis ; Software design ; Software reliability ; Taxonomies ; Vehicles
出版地: United Kingdom
收录类别: ei
ISSN: 17433509
ISBN: 9781850000000
部门归属: (1) Institute of Software, Chinese Academy of Sciences, China; (2) Graduate University, Chinese Academy of Sciences, China
主办者: WIT Transactions on the Built Environment
英文摘要: The Human-Machine Interface (HMI), which displays the real-time status of electrical systems, interacts with the driver or operator, and collects and reports system fault information, is an important device in railway vehicles. The HMI is a critical component of the control and diagnosis system in the railway vehicle, thus the reliability of the HMI software affects the reliability and safety of the whole railway vehicle. Therefore, it is necessary to design the HMI software with high reliability for railway vehicles so as to ensure the reliability, stability and safety of the railway vehicle operation. This paper analyzes the HMI software function requirements, which include information display, the human machine interaction, and communication. A kind of redundancy mechanism is proposed, which employs two structural redundancy methods: N-version programming and recovery blocks. The HMI software is divided into the information display module, the human-machine interaction module and the communication module, and each module is made up of some components. Based on the analysis of the reliability requirement, complexity, and the implementation cost for each component in the HMI software modules, the corresponding redundancy design mechanism is proposed, which consider the tradeoff between the reliability and the cost. In order to evaluate the reliability of the designed redundancy mechanism, a scenario-based reliability analysis method is used to calculate the reliability of the HMI software, which constructs five scenarios and employs the component dependency graph to compute the reliability. The reliability of the HMI software after redundancy design is compared with that before the redundancy design. © 2010 WIT Press.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8908
Appears in Collections:中科院软件所图书馆_2010软件所会议论文

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Recommended Citation:
Zheng G.,Chen J.. software redundancy design for a human-machine interface in railway vehicles[C]. 见:12th International Conference on Computer System Design and Operation in the Railways and other Transit Systems, COMPRAIL 2010. Beijing, China. August 31,.
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