For a two-dimensional drive without detent force and iron loss, we propose the “X-Y linear synchronous motor”. As the stator, the single-layer three-phase armature windings are used without an iron core. Two groups of windings perpendicularly intersecting each other are used for x and y directional drive respectively. As the mover, the field poles by rare earth type permanent magnets are used at both sides of the armature windings. The three-dimensional numerical analysis proves a sufficiently large flux density in the air gap and the smooth thrust without ripple for any directional movement.
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