列车通信网络对安全性和可靠性提出更高的要求,如何保证网络控制器设计的正确性和可靠性成为确保列车安全运行的关键因素之一。本文以高级验证方法学为指导搭建列车网络控制器的层次化验证环境,提出网络拓扑级验证模型和错误注入机制,并对验证结果进行深入分析。实验结果表明:该验证方法增强验证组件的重用性,弥补传统方法的不足,有效提高了验证效率。
The train communication network demands high-level safety and reliability,so efficient and effective verification of the network controller is one of the key factors to ensure stable operation of the network.The hierarchical verification framework was built on the basis of the advanced verification method.The network-topology level verification framework and error injection mechanism were proposed.The result of verification was analyzed comprehensively and systematically.The experiment results show that the proposed verification method enhances the reusability of environment and greatly improves the efficiency of the traditional methodology.