Research review on medium and low speed maglev vehicle

被引：0
|
作者：
Ma W.-H. [1 ]
Luo S.-H. [1 ]
Zhang M. [1 ]
Sheng Z.-H. [1 ]
机构：
[1] State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu
来源：
Jiaotong Yunshu Gongcheng Xuebao/Journal of Traffic and Transportation Engineering | 2021年 / 21卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Application status; Frontiers and challenges; Medium and low speed maglev; Overview of current situation; Technical characteristics; Vehicle engineering;
D O I：
10.19818/j.cnki.1671-1637.2021.01.009
中图分类号：
学科分类号：
摘要：
Based on the working principle of electro-magnetic suspension (EMS) type medium and low speed maglev (MLSM) train, the technical characteristics of each core subsystem (levitation-guidance system, traction motor, running gear, braking system and track-bridge structure, etc. ) of MLSM train were described, and the technical problems and solutions of each subsystem were comprehensively analyzed. The development histories and technical characteristics of Linimo train in Japan, EcoBee train in Korea, maglev express in Changsha, maglev line S1 in Beijing as well as the self-developed MLSM train with mid-set suspension of Southwest Jiaotong University were summarized, and also the technical key points and difficulties of MLSM train. Research results show that, for the vehicle-guideway coupling vibration, a complete vehicle-guideway coupling vibration research model should be established considering the influences of levitation control, structural parameters of vehicle and bridge, aerodynamic effect, linear induction motor and other factors. For the lack of suspension redundancy, the redundancy design scheme of MLSM should be improved by comprehensively utilizing the characteristics of mechanical redundancy and electrical redundancy. For the boots-rail current collection, the current collection relationship of maglev boots-rail should be distinguished from metro boots-rail, the coupling characteristics of maglev train are fully considered, and the engineering practicability of seamless power rail technology in MLSM is explored. For the levitation control, the accuracy and stability of control algorithm and levitation system fault diagnosis technology should be improved due to the low dominant frequency of controller and long running cycle of program. For the light-weight design of vehicle, the structural characteristics of vehicle, running gear and other factors should be comprehensively considered on the basis of ensuring the structural strength, so as to improve the MLSM train carrying capacity. In addition, a unified track standard should be established based on different maglev line requirements, so as to improve the engineering application ability of MLSM. © 2021, Editorial Department of Journal of Traffic and Transportation Engineering. All right reserved.
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页码：199 / 216
页数：17
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