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Method for levitation control of a linear motor, method for measuring a position of a linear motor, inductive sensing device, and elevator system
Method for levitation control of a linear motor, method for measuring a position of a linear motor, inductive sensing device, and elevator system
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机译：用于线性电动机的悬浮控制方法，测量线性电动机，电感式传感装置和电梯系统的位置的方法
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摘要
A method for levitation control of a linear motor includes supplying an alternating current or alternating voltage to at least one oscillating circuit including at least one sensing coil being or assumed to be arranged in a fixed spatial correlation to a mover part of the linear motor such that an opening plane of the sensing coil faces a sensor counter-surface of a stator part of the linear motor with a gap therebetween; receiving a response signal from the oscillating circuit; determining a gap length of the gap based on the response signal; and controlling the gap length by driving a magnetic levitation unit of the linear motor based on the determined gap length. An inductive sensing device and an elevator system, and a method for determining a position of the linear motor are also disclosed.
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