US 12,267,027 B2
Apparatus and method for simulating line running state of magnetic levitation (maglev)
Jun Zheng, Chengdu (CN); Yanxing Cheng, Chengdu (CN); Long Kou, Chengdu (CN); Huan Huang, Chengdu (CN); Zhihao Ke, Chengdu (CN); and Zigang Deng, Chengdu (CN)
Assigned to Southwest Jiaotong University, Chengdu (CN)
Filed by Southwest Jiaotong University, Chengdu (CN)
Filed on Dec. 20, 2021, as Appl. No. 17/555,895.
Claims priority of application No. 202111257653.4 (CN), filed on Oct. 27, 2021.
Prior Publication US 2022/0115965 A1, Apr. 14, 2022
Int. Cl. H02N 15/00 (2006.01); B60L 13/06 (2006.01); B60L 13/10 (2006.01); B61B 13/08 (2006.01)
CPC H02N 15/00 (2013.01) [B60L 13/06 (2013.01); B61B 13/08 (2013.01); B60L 13/10 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An apparatus for simulating a line running state of magnetic levitation, comprising:
a levitation-guidance mechanism;
a moving mechanism; and
a magnetic guideway fluctuation simulated mechanism;
wherein the levitation-guidance mechanism is configured to detect a force applied to a single Dewar of a maglev train to be simulated; the moving mechanism is configured to move the levitation-guidance mechanism; the magnetic guideway fluctuation simulated mechanism is arranged below the levitation-guidance mechanism, and is configured to apply a variable force to the levitation-guidance mechanism; and the variable force is configured to simulate a constantly-variable electromagnetic force applied to the single Dewar of the maglev train to be simulated by a real track;
wherein the magnetic guideway fluctuation simulated mechanism comprises a permanent magnet guideway and a magnetic field changing mechanism; and the magnetic field changing mechanism is configured to change a magnetic field of the permanent magnet guideway;
the magnetic field changing mechanism comprises a first magnetic field changing mechanism and a second magnetic field changing mechanism; the first magnetic field changing mechanism is configured to change a magnetic induction line density above the permanent magnet guideway; and the second magnetic field changing mechanism is configured to change a magnetic induction line density at both sides of the permanent magnet guideway;
the first magnetic field changing mechanism comprises a plurality of first excitation strips; the plurality of first excitation strips are arranged on a top of the permanent magnet guideway; each of the plurality of first excitation strips comprises a first coil bracket and a plurality of first winding units; and the plurality of first winding units are connected end to end along an axial direction of the first coil bracket; and
the second magnetic field changing mechanism comprises two second excitation strips; the two second excitation strips are separately provided on both side walls of the permanent magnet guideway; each of the two second excitation strips comprises a second coil bracket and a plurality of second winding units; and the plurality of second winding units are connected end to end along an axial direction of the second coil bracket.