The invention discloses a switched reluctance
linear motor magnetic circuit modeling method especially suitable for switched reluctance linear motors of various
phase number structures and belongs to the field of switched reluctance
linear motor modeling and controlling. The switched reluctance
linear motor magnetic circuit modeling method is characterized in that all calculation formulas of reluctance components in six magnetic circuits at a rotor position xu where the
central line of a rotor groove is aligned at the
central line of a
stator tooth, at a rotor position x0 where the
front edge of a rotor tooth is aligned at the
front edge of the
stator tooth, at a rotor position x1 / 4 where the rotor tooth and the
stator tooth are overlapped by one four of width of the stator tooth, at a rotor position x1 / 2 where the rotor tooth and the stator tooth are overlapped by one half of the width of the stator tooth, at a rotor position x3 / 4 where the rotor tooth and the stator tooth are overlapped by three fourths of the width of the stator tooth and at a rotor position xa where the
central line of the rotor tooth is aligned at the central line of the stator tooth are combined to form a
magnetic circuit model of a switched reluctance linear motor. A motor electric
magnetic field finite element method does not need to be adopted to calculate magnetic characteristics of the motor, the method is suitable for the switched reluctance linear motors of various
phase number structures, quick design, realtime
simulation and realtime control of a switched reluctance linear
motor system can be realized, and the method has good
engineering application value.