Mechanically Controlled Permanent Magnet Levitation System for Maglev Transport Vehicle

Paper #:
  • 921586

Published:
  • 1992-08-01
Citation:
Abe, M. and Tsunashima, H., "Mechanically Controlled Permanent Magnet Levitation System for Maglev Transport Vehicle," SAE Technical Paper 921586, 1992, https://doi.org/10.4271/921586.
Pages:
10
Abstract:
A theoretical analysis on the fundamental requirements for the functional design of the maglev vehicle undercarriage with mechanical air-gap control system is dealt with. One of the requirements introduced is described by the relation among the primary suspension spring rate, the attractive force characteristics of the magnet and the control lever ratio. Another requirement is a dimensional relation among the location of the magnets, the vertical guide-wheels and the primary suspension springs.In order to discuss the dynamic characteristics of the vehicle, a computer simulation of the vehicle response to guideway roughness random input is carried out. Attention is focused on the influence of the system parameters on power spectra of the vehicle responses.It is determined conclusively that the mechanical air-gap controller can keep the air-gap within a required limit and achieve the sufficient ride quality without any significant both static and dynamic loads on the vertical guide-wheels.
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