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地铁线路弯道与道岔路况识别方法研究

Study of the identification of curve and turnout conditions on metro line
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摘要 文章分析了弯道信号及道岔信号的时、频域特征,并以此提出了利用、来识别地铁线路中弯道与道岔的方法。研究表明:陀螺仪信号对弯道路况响应明显,通过小波包去噪后能够很好的识别弯道;车辆经过道岔,垂向加速度信号幅值短时间内急剧增大,且频谱特性发生变化,通过经验模式分解(EMD)提取信号特征值,再利用支持向量机(SVM)可以有效地识别道岔。
出处 《机车车辆工艺》 2018年第2期38-40,共3页 Locomotive & Rolling Stock Technology
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