Hardware-in-loop-based interoperability test interface method for train control on-board equipment

Abstract

The invention provides a hardware-in-loop-based interoperability test interface method for train control on-board equipment, and relates to the technical field of train operation control tests. The method comprises the following steps: formulating a data communication protocol between a test platform and interface equipment, wherein the interface equipment comprises a responder interface module, atrack circuit interface module, a speed signal interface module and a train switching value interface module; determining a test parameter, comprising determining a speed signal parameter and a trainswitching value signal parameter; downloading interface data; and controlling a test process, and sending, by the test platform, a test start instruction to the interface equipment, and starting thetest process to generate and send a signal. The hardware-in-loop-based interoperability test interface method for the train control on-board equipment uniformly controls each signal interface, so thatconnection between the interfaces is enhanced, and the synchronicity of the test process is guaranteed; and the communication delay is reduced, the computation burden is reduced, and the instantaneity of sending interface information is improved; and real-time monitoring of the interfaces is achieved, and the test efficiency and the reliability are improved.

Description

technical field [0001] The invention relates to the technical field of train operation control testing, in particular to a hardware-in-the-loop test interface method for the interconnection and intercommunication of vehicle-mounted equipment. Background technique [0002] The on-board equipment is the main body of the train control system to operate and control the train. In order to ensure the cross-line operation capability of the train, the train control on-board equipment should be able to operate correctly on the ground lines under different technical platforms, that is, have interconnection. Therefore, in order to ensure the cross-line operation capability of on-board equipment, it is necessary to conduct interoperability laboratory tests on it. (Communication performance test between in-vehicle devices) [0003] The basis of the interconnection test is the test specifications and test cases formulated according to the requirements specification of the train control s...

AI Technical Summary

Problems solved by technology

The separation of each interface device is difficult to meet the synchronization requirements in the test process. The signal generation time of different interface devices is different, which will affect the correlation between each interface information, and each transmission of interface information must be tested from the test. The process of downloading data, conversion and generation, and final transmission by the host computer on the platform will affect the real-time performance of the test process

On the other hand, each interface device operates independently, lacking a unified control and supervision mechanism

When an interface data problem occurs during the test, it is difficult to judge whether it is a problem with the device under test or a problem with the test platform, which in turn affects the test efficiency and accuracy

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