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JMT 2012, Vol. 20 Issue (2) :82-87    DOI: 10.3969/j.issn.2095-087X.2012.02.004
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Structure analysis of levitation chassis of medium-to-low speed maglev vehicles based on left-right decoupling
Fang LIU1,2, Jinwen DONG2, Yongzhi JING2*
1. School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China;
2. Key Laboratory of Magnetic Levitation Technologies and Maglev Trains (Ministry of Education of China), School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China

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Abstract Levitation chassis, as an extremely important component of maglev vehicles, provides functions of transmitting levitation force and steering force, and directly affects the safety performance of the vehicle. Based on the vertical dynamics model of the levitation chassis, kinetic equations of the model are established, and a simulation program is designed to analyze the structural decoupling function of the chassis, especially under the influence of elastic constraints between the left and right modules, which are exclusively owned by maglev vehicles. A finite element model of the levitation chassis based on left-right decoupling is constructed. Analysis results of the model show that the mechanical properties of the chassis tailored for the vehicle meet the design requirements, and the stiffness and strength is adequate to bear the weight of the whole vehicle.
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Fang LIU
Jinwen DONG
Yongzhi JING
Keywordsmaglev vehicle   levitation chassis   dynamics   left-right decoupling   finite element     
Received 2012-05-08;

The research was supported by the National Natural Science Foundation of China (No. 51175442) and the Fundamental Research Funds for the Central Universities (SWJTU12CX040).

Cite this article:   
Fang LIU, Jinwen DONG, Yongzhi JING.Structure analysis of levitation chassis of medium-to-low speed maglev vehicles based on left-right decoupling[J]  JMT, 2012,V20(2): 82-87
http://jmt.swjtu.edu.cn/EN/10.3969/j.issn.2095-087X.2012.02.004      or     http://jmt.swjtu.edu.cn/EN/Y2012/V20/I2/82
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