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LINEAR MOTOR THRUST CONSTANT DERIVING METHOD AND MOVEMENT CONTROL METHOD, AND LINEAR MOTOR THRUST CONSTANT DERIVING DEVICE AND MOVEMENT CONTROL DEVICE
LINEAR MOTOR THRUST CONSTANT DERIVING METHOD AND MOVEMENT CONTROL METHOD, AND LINEAR MOTOR THRUST CONSTANT DERIVING DEVICE AND MOVEMENT CONTROL DEVICE
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机译：线性电动机推力常数导引方法和运动控制方法，以及线性电动机推力常数导引装置和运动控制装置
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摘要
The present invention provides a method of deriving a thrust constant representing an occurrence rate of a thrust in relation to a current in a linear motor which is provided with a track member which includes a magnet extending in a movement direction, and a moving body which includes a coil mounted to the track member in a movable manner, the linear motor generating a thrust in the movement direction between the magnet and the coil by causing the current to flow in the coil, in which an average thrust constant which is an average thrust constant in a long movement zone on the track member is derived based on actual measurement, local thrust constants which are local thrust constants of a plurality of locations on the track member are derived based on each actual measurement, and the thrust constants of arbitrary positions on the track member are derived based on the average thrust constant and the local thrust constant of each location. Accordingly, it is possible to increase derivation precision of the thrust constant more than in the related art based on actual measurement under a plurality of actual measurement conditions.
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