Design method of quadrupole and heteropole type radial hybrid magnetic suspension bearing

The invention discloses a method for designing a quadrupole and heteropole type radial hybrid magnetic suspension bearing. The method comprises the following steps of: determining a new structure according to a working principle of the quadrupole and heteropole type radial hybrid magnetic suspension bearing; designing the quadrupole and heteropole type radial hybrid magnetic suspension bearing; analyzing a radial suspension force generation mechanism; structural parameter design: initial design requirements are determined to carry out parameter design including rotor core radius, permanent magnet width, magnetic pole area, coil turns and the like, finite element analysis software Maxwell 3D modeling simulation analysis is adopted, and electromagnetic parameters are optimized; establishing Simulink control system simulation: adopting simulation software Maxwell to analyze the radial suspension force of the quadrupole and heteropole type radial hybrid magnetic bearing, and measuring ideal state parameters; the