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Prediction of railway switch point failures by artificial intelligence methods

机译:人工智能方法预测铁路开关点故障

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In recent years, railway transport has been preferred intensively in local and intercity freight and passenger transport. For this reason, it is of utmost importance that railway lines are operated in an uninterrupted and safe manner. In order to carry out continuous operation, all systems must continue to operate with maximum availability. In this study, data were collected from switch motors, which are the important equipment of railways, and the related equipment and these data were evaluated with sector experience and the results related to the failure status of the switch points were revealed. The obtained results were processed with support vector machines and artificial neural networks, which are artificial intelligence methods, and machine learning was performed. In the light of this learning, a decision support model, which predicts possible failures and gives information about the root cause of the failures that have occurred, was developed. This model aims to ensure that the data obtained in each movement of the railway switch point are processed and the necessary corrective and preventive actions are communicated to the maintenance personnel; thus, failures are eliminated before they affect the railway operation and the solution process of the failures that have occurred is shortened. Considering the six switch points from which the data were collected, the experimental results were predicted with 24% RMSE error rates in the SVM method, while they were successfully predicted with RMSE error rates ranging from 2.4% to 6.6% in the ANN method. Therefore, it is observed that the ANN method is more appropriate in the implementation of the established model.
机译:近年来,铁路运输在当地和际货运和客运中一直受到密集的密集。因此,最重要的是铁路线以不间断和安全的方式运行。为了执行连续操作,所有系统必须继续以最大可用性运行。在这项研究中,从开关电机收集数据,这些电机是铁路的重要设备,以及相关设备和这些数据进行了扇形经验,并揭示了与开关点的故障状态相关的结果。通过支持向量机和人工神经网络加工所得到的结果,这是人工智能方法和机器学习。鉴于该学习,开发了一种决策支持模型,其预测可能的失败并提供有关发生故障的根本原因的信息。该模型旨在确保处理铁路开关点的每个运动中获得的数据,并将必要的校正和预防动作传达给维护人员;因此,在影响铁路操作之前消除了故障,并且缩短了发生故障的解决方案过程。考虑到收集数据的六个开关点,SVM方法中的24%RMSE误差率预测了实验结果,同时以ANN方法的2.4%到6.6%的RMSE误差率成功预测。因此,观察到ANN方法在实施建立模型中更为合适。

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