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This paper presents the development of the single side ironless Halbach permanent magnet linear synchronous motor (PMLSM) for a novel electromagnetic suspension (EMS) maglev vehicle. The basic structure of the propulsion motor and the vehicle are firstly described. Then the thrust and normal force of the ironless PMLSM are analyzed. The configuration of the propulsion system and field oriented control...
According the analysis to the thrust and normal forces of single-side linear induction motor (SLIM), a decoupled-control scheme of the two forces is proposed by selecting appropriate voltage vector in PWM inverter, the primary flux linkage and the phase angle between primary and secondary flux linkage are simultaneously controlled, then the decoupling control of normal and thrust forces is achieved...
Normal force in single-sided linear induction motor (SLIM) is normally restrained in SLIM transportation system. We developed a combined levitation-and-propulsion device to utilize the normal force for levitation and thrust for propulsion with only a SLIM in our Lab. This paper describes a mathematic model for the analysis of normal -and- thrust forces through a space high harmonic method. A scheme...
Single-sided linear induction motor (SLIM) based maglev system can realize levitation and propulsion by controlling the normal force and thrust force independently. For a SLIM, it is difficult to identify the correct parameter for the control of normal and thrust forces because of the longitudinal end and transverse edge effect. This paper presents the finite element method on parameters determinations...
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