Structure and Control Strategy of A New Kind of Brushless DC Motor with Hybrid Excitation
LI Youxin · Small & Special Machines · 2003
A kind of special motor with permanent magnet poles and adjustable magnet poles.The difficulty of magnet adjustment for permanent magnet brushless DC motor is successfully solved.Sample test shows that the magnet adjustment effect is apparent,and then the torque and rotation speed adjustment range are effectively improved.On the basis of analyzing its structure,magnet adjusting mechanism and the control strategy,the test result is got.