Position control of a linear transverse flux machine with subordinate current control

This paper outlines a position control system for a two phase linear permanent magnet excited transverse flux machine. A force ripple minimization technique is implemented by an inverse force-current look-up table and a subordinate current controller. The superordinate speed and position control enables positioning tasks. The control system is implemented on a rapid prototyping system and is tested on a prototype of a linear transverse flux machine. The aim is implementing a simple control structure, respecting the machine's electro-magnetic-mechanical behavior at the same time.

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