PROBLEM TO BE SOLVED: To obtain an assembly device for a resolver, capable of improving yield without cost increase. ;SOLUTION: This assembly device for a resolver is provided with an amplitude calculating device 2 and a built-in computing device 3, each of which calculates the amplitude and the phase of its output signal from the output signal of a resolver 1, a storage device 4 relating and retaining them, a Fourier transformer 6 which performs Fourier transform for the stored data in the storage device 4, to calculate the amplitude and phase for three cycles, a first computing device 6 computing an axial slippage amount X from the amplitude and phase for three cycles, and a second computing device 7 computing the axial slippage amount Y, and an XY table 8 is controlled, based on the calculated axial slippage amounts X, Y, thereby regulating the relative position of a stator part with respect to a rotor part.;COPYRIGHT: (C)2001,JPO
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