Permanent magnet synchronous planar motor with structure of concentric winding

A permanent magnet synchronous planar motor with a structure of concentric winding, comprising:

• a primary structure, a secondary structure, and an air gap, wherein said primary structure comprises:
• a primary base plate (2) and armature windings, said secondary structure comprises a secondary yoke plate (4) and a permanent magnet, said air gap is provided between said primary structure and said secondary structure, a mover of said permanent magnet synchronous planar motor with said structure of concentric winding realizes planar motion in plane XOY, said armature windings are fixed on an air gap side of said primary base plate (2) in a shape of board, wherein said air gap side is defined as a side adjacent to said air gap, said armature winding of each phase comprises a plurality of concentric rectangular coils (1), a distance Ll between center lines of two adjacent sides of said two adjacent rectangular coils (1) is equal to a polar distance τm of said permanent magnet in said secondary structure, τmis a shortest distance from one end of said permanent magnet to another end of said permanent magnet when moving in a particular direction, said rectangular coils (1) are connected in series in turn from inside to outside, winding directions of said two adjacent rectangular coils (1) are opposite, a distance Lc between center lines of two opposite sides of each of said rectangular coils (1) and said polar distance τm of said permanent magnet in said secondary structure have a relationship as follows, and Lc=(2k+1) τm, wherein k is a natural number;
• wherein said primary structure further comprises a deflection controlling winding, said deflection controlling winding is fixed on said air gap side of said primary base plate (2) in said shape board, said deflection controlling winding is around said armature windings, said deflection controlling winding comprises:
• a deflection controlling winding in an X direction, and a deflection controlling winding in a Y direction, wherein said deflection controlling winding in said X direction comprises an even number of coils, said even number of coils are evenly divided into two groups, center lines of said coils in a same group are in a same line, which is parallel to axis X, active sides of said coils are parallel to said axis X, winding directions of said adjacent coils in said same group are opposite, said two groups of coils are respectively provided at two sides of said armature windings in said direction Y, and are distributed symmetrically, said two coils provided in corresponding positions of said two sides of said armature windings have winding directions opposite to each other, said deflection controlling winding in said Y direction comprises an even number of coils, said even number of coils are evenly divided into two groups, center lines of said two coils in a same group are in a same line, which is parallel to axis Y, active sides of said coils are parallel to said axis Y, winding directions of said adjacent coils in said same group are opposite, said two groups of coils are provided at two sides of said armature windings in said direction X, and are distributed symmetrically, said two coils located in corresponding positions of said two sides of said armature windings have winding directions opposite to each other, a distance between center lines of two active sides of each of said coils forming said deflection controlling winding is equal to said polar distance τm of said permanent magnet in said secondary structure, and a distance Lc1 between center lines of two coils located in a same end of said primary base plate is calculated by:
• Lc1=(i+½) τm, wherein i is a natural number larger than 2.