Harmonic Elimination Coarse and Fine Coupling Radial Magnetic Circuit Resolver and Signal Winding Winding Method
A rotary transformer, coarse-fine coupling technology, applied in transformers, magnetic circuit rotating parts, transformer/inductor parts and other directions, can solve the problems of limited application fields, low precision, increased volume, etc., and achieve a wide development space , Improve measurement accuracy, improve the effect of accuracy
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specific Embodiment approach 1
[0021] Specific implementation mode one: as figure 1 , image 3 As shown, the harmonic elimination coarse-fine coupling radial magnetic circuit resolver includes stator 2, rotor 1, excitation winding 8, coarse machine sine signal winding 4, rough machine cosine signal winding 5, fine machine sine signal winding 6 and precision machine Cosine signal winding 7, the stator 2 is in the shape of a cylinder; there is an unequal air gap 3 between the stator 2 and the rotor 1, and the inner surface of the stator 2 is machined with 2NP stator slots 12 and 2NP stator teeth 13 along the axial direction, 2NP Two stator slots 12 are evenly distributed along the inner surface circumference of the stator 2, and the stator teeth 13 are between two adjacent stator slots 12; wherein, N is a natural number, and the value range of N is 2 to 15, and P is The number of pole pairs of rotor 1; the excitation winding 8 is placed in 2NP stator slots 12, and each stator slot 12 is reversely connected i...
specific Embodiment approach 2
[0026] Specific implementation mode two: as figure 1 , figure 2 As shown, the harmonic elimination coarse-fine coupling radial magnetic circuit resolver signal winding method described in Embodiment 1, the method includes the following steps:
[0027] Step 1. For the sinusoidal signal winding 4 of the rough machine, arbitrarily select a plane 11 passing the axis of the stator 2 and not intersecting the stator teeth 13, and take the plane 11 as a reference, and place 2NP stators clockwise The teeth 13 are equally divided into two groups according to the sinusoidal phase M of the coarse machine; the adjacent NP stator teeth 13 in the first group are wound in the counterclockwise direction, and the adjacent NP stator teeth 13 in the second group are wound in the clockwise direction Winding;
[0028] Step 2. For the cosine signal winding 5 of the rough machine, arbitrarily select a plane 2 10 passing through the axis of the stator 2 and not intersecting the stator teeth 13, and...
specific Embodiment approach 3
[0031]Specific embodiment three: the harmonic elimination coarse-fine coupling radial magnetic circuit resolver signal winding method described in specific embodiment two, in the described method,
[0032] The turns distribution of the sinusoidal signal winding 4 of the rough machine is
[0033] W 1 = Q 1 sin ( A 1 π NP )
[0034] The turns distribution of the cosine signal winding 5 of the rough machine is
[0035] W 2 = Q 2 · sin ( A 2 π NP - π 2 ...
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