A Safety Computer Platform with Module Redundancy

Abstract

The secure computer platform of the present invention is composed of a main control layer and an execution layer; the main control layer is composed of a main control module, which is divided into main and backup systems; the execution layer is composed of a certain number of expandable execution modules, and each module also has Divided into safety-related modules and non-safety-related modules; the main control layer and the execution layer use dual sets of redundant bus communication, using CAN FD bus + Ethernet bus, or CAN bus + Ethernet bus; all main control modules and execution modules They are all connected by internal redundant CAN FD bus; the main control modules realize data interaction and synchronization of main and standby machines through independent redundant Ethernet bus communication. The technical advantages of the present invention are: a safe computer platform with excellent scalability, adopting dual redundant bus architecture, safety design of power isolation and bus isolation, and higher reliability and safety. The transparent communication mechanism improves the versatility and adaptability of the platform.

Description

technical field [0001] The invention relates to the field of railway signals, in particular to a novel secure computer platform, which has a more complete security system architecture and a safer protection design, as well as better communication efficiency and transmission performance. Background technique [0002] With the development of railway transportation, the safety equipment in the field of railway signaling has been continuously updated and improved. In the information age, computer and network technologies are rapidly popularized and applied, and secure computers are used in more and more fields and industries that have stricter security requirements. In the field of railway signaling, safety computers play an extremely important role in ensuring the reliable transmission of signals. [0003] In the field of railway signaling, traditional safety computers are generally based on a single set of internal communication buses, and adopt a master-standby structure. Ea...

AI Technical Summary

Problems solved by technology

[0003] In the field of railway signaling, traditional safety computers are generally based on a single set of internal communication buses, and adopt a master-standby structure. Each functional unit module is often connected in a fixed way, resulting in a single communication method between the master and backup machines, which is not safe and is not conducive to Disadvantages such as function expansion and system upgrade

Images