S1501-1-4 小型電気車両用モータコントローラの試作(エコロジーと機械工学(1),社会変革を技術で廻す機械工学)

抄録

Trial DC motor controller was designed and manufactured for use of 600W class electric scooter. Trial controller possesses n-MOS FET, photo coupler, Hall detector, dsPIC30F and Interrupt programming. Control target is 3 phase SPMPM DC brushless motor, which diameter is 180 mm, thickness is 55 mm. The motor have 8 Poles and 24 coils, and its armature core is 25mm stacked silicon steel plate of 0.2 mm thick. As a result of no-load-rotating test, followings are confirmed. Gate pulse (width of 120° each) which dead-time is few dozens of micro-second was added on the MOS FET, and the blushless DC motor rotates smoothly, 3 phase voltage of V_U, V_V, V_W are appeared clearly.