Optimization Based Design of Excitation Currents for Linear Variable Reluctance Motors

D.G. Taylor and R. Ahmed (USA)


Variable reluctance motors, magnetic cou pling, force control, optimal excitation.


The design of excitation currents for a type of three-phase linear variable reluctance motor is consid ered. Due to magnetic coupling between phases, all pos sible products of phase currents are involved in the pro duction of force. Constrained optimization is used to de termine phase currents that produce a desired force with minimum power dissipation. The in?uence of motor design parameters on the optimal excitation is revealed through use of a magnetic circuit model.

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