Railway bogie vibration analysis by mathematical simulation model and a scaled four-wheel railway bogie set

Conference proceedings article

ผู้เขียน/บรรณาธิการ

กลุ่มสาขาการวิจัยเชิงกลยุทธ์

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รายละเอียดสำหรับงานพิมพ์

รายชื่อผู้แต่ง: Visayataksin N., Sooklamai M.

ผู้เผยแพร่: IOP Publishing

ปีที่เผยแพร่ (ค.ศ.): 2018

Volume number: 297

Issue number: 1

นอก: 1757-8981

eISSN: 1757-899X

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85046245758&doi=10.1088%2f1757-899X%2f297%2f1%2f012045&partnerID=40&md5=2634ab1ec9755d7b4778e8341edda003

ภาษา: English-Great Britain (EN-GB)

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บทคัดย่อ

The bogie is the part that connects and transfers all the load from the vehicle body onto the railway track; interestingly the interaction between wheels and rails is the critical point for derailment of the rail vehicles. However, observing or experimenting with real bogies on rail vehicles is impossible due to the operational rules and safety concerns. Therefore, this research aimed to develop a vibration analysis set for a four-wheel railway bogie by constructing a four-wheel bogie with scale of 1:4.5. The bogie structures, including wheels and axles, were made from an aluminium alloy, equipped with springs and dampers. The bogie was driven by an electric motor using 4 round wheels instead of 2 straight rails, with linear velocity between 0 to 11.22 m/s. The data collected from the vibration analysis set was compared to the mathematical simulation model to investigate the vibration behavior of the bogie, especially the hunting motion. The results showed that vibration behavior from a scaled four-wheel railway bogie set significantly agreed with the mathematical simulation model in terms of displacement and hunting frequency. The critical speed of the wheelset was found by executing the mathematical simulation model at 13 m/s. ฉ Published under licence by IOP Publishing Ltd.

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