A computer interlocking information transmission method and system for railway stations

Abstract

The invention provides a computer interlocking information transmission method and system for a railway station, which includes a vehicle-mounted information receiving device and a vehicle-mounted control device. The vehicle-mounted information receiving device transmits station computer interlocking information to the vehicle-mounted control device through a CAN bus. The vehicle-mounted information receiving device is the device that sends data, and will broadcast the data packet serial number of the data at the same time; while the vehicle-mounted control device is the device that receives the data, and at the same time, it will judge whether the received data serial number is consistent with the one sent by the vehicle-mounted information receiving device. Ensure the validity and consistency of usage data. The data packet header of the present invention contains data sequence number information. If the current data sequence numbers of the "vehicle information receiving device" and "vehicle control device" are inconsistent, the vehicle system can perform safety-oriented side control, which enhances the safety of the vehicle control system.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a method for computer interlocking information transmission of a railway station. Background technique [0002] At present, in the railway wireless shunting locomotive signal and monitoring system, the on-board information receiving equipment receives and organizes the "station computer interlocking information" in the air through the wireless data transmission station, and uses the CAN (controller area network) bus to directly transmit the " The content of "station computer interlocking information" is not processed, and is directly sent to the on-board control equipment in the form of "fixed priority cycle detection information" for locomotive control, and the current status of station computer interlocking information is re-displayed to the crew. [0003] The specific method of "fixed priority cyclic detection information" is: firstly send the total length of the station status co...

AI Technical Summary

Problems solved by technology

[0004] Due to the shortcomings of the CAN bus itself, such as inconsistency, unpredictability, and channel error and blockage, this may lead to problems such as loss of detection and transmission delay during the transmission process. " and "vehicle control equipment" may have the situation that the order of sending and receiving information is not synchronized, which will lead to errors in the repetition of locomotive control and current station computer interlocking information status

[0005] In addition, this method uses the cumulative sum method for data verification, which is not very reliable

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