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In the process of train running, speed fluctuation and vibrations from various parts of the driving devices are common, which could be greatly affected by the traction torque. During traction transmission, the harmonic vibration torque exists in traction motor due to that the motor is connected with non-sinusoidal alternating current. In order to study the vibration influence of the electrical component of traction transmission system on the rail vehicles, i.e., bogie and car-body, an electro-mechanical coupling dynamic model for rail transit vehicles was established by explicitly incorporating the electric-induced traction into the transmission model. The dynamics responses of the vertical, lateral and longitudinal acceleration on vehicle components, such as axle box and car-body were quantitative analyzed. By comparison with field test, it was observed that there was a vibration peak of 12-times of the fundamental rotor frequency on the bogie frame and axle box, which existed at conditions of traction, uniform speed and braking. However, the vibration acceleration exhibit nearly little difference with or without traction force, especially at low frequency domain\u2009&lt;\u2009100\u00a0Hz.<\/jats:p>","DOI":"10.1038\/s41598-021-97650-4","type":"journal-article","created":{"date-parts":[[2021,9,15]],"date-time":"2021-09-15T10:03:59Z","timestamp":1631700239000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Influence of electrical part of traction transmission on dynamic characteristics of railway vehicles based on electromechanical coupling model"],"prefix":"10.1038","volume":"11","author":[{"given":"Xun","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiefeng","family":"Peng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingbo","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Litong","family":"Cui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,9,15]]},"reference":[{"key":"97650_CR1","doi-asserted-by":"publisher","first-page":"1103","DOI":"10.1109\/ACCESS.2020.3047207","volume":"9","author":"X Huang","year":"2021","unstructured":"Huang, X. et al. 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