通用轨旁安全计算机平台设计
严文煜迟宝全
Design of General Trackside Safety Computer Platform for Rail Transit
YAN WenyuCHI Baoquan
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作者信息:上海富欣智能交通控制有限公司，201203，上海
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Affiliation:Shanghai Fuxin Intelligent Transportation Solutions Co., Ltd., 201203, Shanghai, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2020.10.044
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中图分类号/CLCN:U231.6
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栏目/Col:其他
摘要:
介绍了已通过第三方SIL4安全等级认证的通用轨旁安全计算机平台的系统架构、安全设计原则，并对其安全性进行了分析。该平台采用2乘2取2安全架构，模块化、通用性、易扩展的硬件，以及跨平台、统一性的软件进行设计。该安全平台已成功应用于基于通信的列车控制系统、列车自主运行系统、有轨电车信号系统等多个工程项目。实践证明，该安全平台完全符合轨道交通产品安全性、可靠性、可维护性、可用性这4个关键要素的技术要求。
Abstracts:
The system structure and safety design principle of the general trackside computer safety platform are introduced, which has passed the third-party SIL4 level safety certification. The platform adopts double two out of two safety architecture, and uses modular, universal and scalable hardware, as well as cross platform and unified software for the design. As a result, the safety platform is successfully applied to many projects, such as CBTC (communication based train control), TACS (train autonomous circumambulate system), tram signal system and so on. The practice has proved that the safety platform fully meets the technical requirements of four key elements of rail transit products: safety, reliability, maintainability and applicability.
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