A Mathematical Model-Based Method for Determining Valid Time Parameters of Railway Signal Relays

Abstract

The present invention provides a method for determining the effective time parameters of railway signal relays based on a mathematical model. The method for determining the effective time parameters of railway signal relays based on a mathematical model includes the following steps: sorting out the time parameters and contact pressure drops of six relay samples The data is analyzed by taking a pair of contacts of a railway signal relay as an example, and the time parameters are divided into X groups, and the contact voltage drop is divided into Y groups; according to the expert experience and the relationship between the relay performance structure time parameters and the contact voltage drop, The degree of correlation between group X and group Y based on the mechanism; analyze the relationship between the parameter data of group X and group Y from a mathematical point of view, and obtain the degree of correlation between group X and group Y based on the mathematical point of view; obtain time parameters and contact The combined correlation degree of voltage drop; by comparing the correlation degree of each time parameter, the effective time parameter of the railway relay can be determined.

Description

technical field [0001] The invention relates to a method for determining valid time parameters of railway signal relays based on a mathematical model. Background technique [0002] The railway signal relay is the main switching device in railway equipment, and its reliability will affect the safe operation of the railway signal system. Considering that the electrical wear of the contacts has a great impact on the life of the relay, the contact resistance is very important for analyzing the operating status of the relay , but it is still impossible to directly measure the contact resistance of the railway signal relay in the running state in real time, which brings great trouble to the determination of the effective time parameters based on the contact resistance. [0003] At present, the problem of determining the effective time parameters of railway signal relays is not perfect enough, and there is no systematic and sufficient understanding and analysis. If we analyze all t...

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Problems solved by technology

[0002] The railway signal relay is the main switching device in railway equipment, and its reliability will affect the safe operation of the railway signal system. Considering that the electrical wear of the contacts has a great impact on the life of the relay, the contact resistance is very important for analyzing the operating status of the relay , but it is still impossible to directly measure the contact resistance of the railway signal relay under the running state in real time, which brings great trouble to the determination of the effective time parameters based on the contact resistance

[0003] At present, the problem of determining the effective time parameters of railway signal relays is not perfect enough, and there is no systematic and sufficient understanding and analysis. If we analyze all the time parameters one by one every time, it will increase our analysis time and even affect The final prediction result will increase the manpower and material resources of this research direction, increase the cost of the experiment and waste time

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