Safe computer system based on redundant ethernet

Abstract

The invention provides a safe computer system based on the redundant ethernet. The safe computer system comprises a first system and a second system, the first system comprises a first logic processing unit module and a first communication unit module, and the second system comprises a second logic unit processing module and a second communication unit module; a double-CPU symmetric redundant structure is adopted by the first logic processing unit module and the second logic processing unit module and is used for achieving the functions of in-system double-CPU data cross comparison and inter-system double-CPU data synchronous comparison; the first communication unit module and the second communication unit module are used for achieving the functions of data transmission and data analysis of the first logic processing unit module and the second logic processing unit module and an external signal system. The safe computer system is simple in hardware structure, high in calculating capacity and large in communication capacity and can appropriately control the communication capacity, solves the problems of safe calculation and safe control of a safe computer and is applicable to a railtraffic safe computer platform and a safe computer platform in other industries.

Description

technical field [0001] The invention relates to a safety computer system based on redundant Ethernet, which belongs to the field of safety computer control. Background technique [0002] With the rapid development of the rail transit industry, the safety computer system based on two by two has been more and more widely used due to its good reliability and safety. The main technical advantages of the safety computer are reflected in the use of two by two Take the two aspects of high reliable redundant system architecture, safe communication and fail-safe principles. High security requirements in petrochemical and other fields. [0003] Security computer is a control system based on computer and communication, which embodies the real-time control and security protection of system operation. Therefore, the computing power and communication capacity of the system are particularly important. However, the security computers used in the prior art generally have technical problems...

AI Technical Summary

Problems solved by technology

However, the security computers used in the prior art generally have technical problems such as complex hardware, low computing power, and small communication capacity.

Images