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At curve section of track of long stator linear synchronous motors (LSM) for maglev train, the stators are asymmetric to compensate the distance difference between inner and outer tracks. In this paper, we calculate motor's flux density in suspension gap between stator and magnet, and then the thrust force of asymmetric LSM under different track-gap is described. The force loss because of the track...
Controlled-PM linear synchronous motor (LSM) is a potential structure type for levitation system. Although the levitation and propulsion is controlled independently, they may influence each other. The change of gap-length may worsen the propulsion performance and the d-axis current may aggravate the levitation load. This paper presents a decoupled control for thrust and lift force, and a vehicle-loaded...
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