Coupling control method for multi-phase permanent error tolerance motor
A permanent magnet fault-tolerant, decoupling control technology, applied in the direction of motor generator control, electronic commutation motor control, control system, etc., can solve problems that do not involve decoupling control methods, etc., achieve small overshoot, fast response, The effect of high control precision
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[0014] The present invention is described by taking a six-phase 8-pole permanent magnet fault-tolerant motor as an example. The implementation methods and steps of permanent magnet fault-tolerant motors with structures such as six-phase 10-pole, five-phase 8-pole, and four-phase 4-pole are the same as those in this embodiment.
[0015] Referring to Figure 1, the rotor of a multi-phase permanent magnet synchronous motor with fault tolerance is inlaid with rare earth permanent magnets, and can adopt radial or tangential structures. The stator structure is that each phase winding is wound on one armature tooth, and each slot has only one phase winding, and the armature tooth without winding acts as a magnetic flux circuit to play the role of thermal isolation and electrical isolation between phases. The ends of the motor windings of this structure are physically isolated because they do not overlap, thereby avoiding the serious failure of phase-to-phase short circuit. When a shor...
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