| 轨道车辆人机界面软件冗余设计与可靠性分析 |
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| 引用本文： | 陈进进,郑刚.轨道车辆人机界面软件冗余设计与可靠性分析[J].计算机应用与软件,2011,28(12). |
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| 作者姓名： | 陈进进 郑刚 |
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| 作者单位： | 1. 中国科学院软件研究所 北京100190;中国科学院研究生院 北京100190
2. 中国科学院软件研究所 北京100190 |
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| 摘 要： | 人机界面软件的可靠性直接影响轨道车辆控制系统,甚至轨道车辆的可靠运行。为了提高人机界面软件的可靠性,对人机界面软件进行了冗余设计,在一些重要的功能模块中加入了冗余机制。综合考虑功能模块的可靠性要求、其自身的复杂度、实施冗余的代价等因素,采用了N-版本程序设计、恢复块技术等冗余技术。对进行冗余设计后的人机界面软件,使用基于场景的可靠性评估方法,分析了它的可靠性,并与冗余设计前进行对比。
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| 关 键 词： | 人机界面 软件容错 冗余设计 可靠性 可靠性分析 |
SOFTWARE REDUNDANCY DESIGN AND RELIABILITY ANALYSIS FOR HUMAN-MACHINE INTERFACE IN RAILWAY VEHICLES |
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| Chen Jinjin,Zheng Gang.SOFTWARE REDUNDANCY DESIGN AND RELIABILITY ANALYSIS FOR HUMAN-MACHINE INTERFACE IN RAILWAY VEHICLES[J].Computer Applications and Software,2011,28(12). |
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| Authors: | Chen Jinjin Zheng Gang |
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| Affiliation: | Chen Jinjin1,2 Zheng Gang 1 1(Institute of Software,Chinese Academy of Sciences,Beijing 100190,China) 2(Graduate University of Chinese Academy of Sciences,China) |
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| Abstract: | The reliability of human-machine interface(HMI) directly affects the control system of railway vehicles,even the reliable operation of the railway vehicles.In order to improve the reliability of HMI software,the redundancy design is made on HMI software and the redundancy mechanism is added to some important function modules.Considering comprehensively the factors of the function modules including the reliability demand,the complexity of its own and the cost of the redundancy execution,etc.,two redundancy m... |
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| Keywords: | Human-machine interface Software fault tolerance Redundancy design Reliability Reliability analysis |
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