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This paper presents a new method for dynamical control of the linear motor which consists of Halbach permanent array. This motor is designed for micro-motion or micro-location precision instruments. Based on a novel mathematic model of the linear motor, which takes the lateral and normal force into account, an improved field-oriented control method is applied. This method enables the operation of...
In this paper, an analytical approach is presented to calculate the magnetic force between the mover and the stator of an electromagnetic planar actuator. The key is to use the coenergy method to calculate the force, in such a way that the stator current can be predicted properly to offer the accurate orientation and location for the real-time control of the high-precision planar actuator. The proposed...
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