摘要
研究TMS570 CPU的安全特性,并将其应用于列控系统中,以TMS570处理器为基础,构建一个二乘二取二架构的SIL4级安全平台,提出CPU安全自检设计的具体实现方案,并讨论安全自检中的技术要点和异常处理措施,有助于用户通过简单的配置和处理实现EN 50129标准中要求的安全功能。
This paper researches the security characteristics of TMS570 CPU and applies it to the train control system.A SIL4 level safety platform based on TMS570 processor is constructed with dual two out of two architecture,the specific implementation scheme of CPU security self-test design is proposed,and the technical points and exception handling measures of CPU security self-test are discussed,which is helpful for users to realize the security functions required in EN 50129 standard through simple configuration and processing.
作者
裴志斌
吕媛媛
Pei Zhibin;LüYuanyuan(CRSC Research&Design Institute Group Co.,Ltd.,Beijing 100070,China)
出处
《铁路通信信号工程技术》
2023年第9期15-18,41,共5页
Railway Signalling & Communication Engineering
