微特电机
微特電機
미특전궤
SMALL & SPECIAL ELECTRICAL MACHINES
2010年
1期
40-44
,共5页
无刷直流电动机%双向升降压电路%转矩脉动%占空比
無刷直流電動機%雙嚮升降壓電路%轉矩脈動%佔空比
무쇄직류전동궤%쌍향승강압전로%전구맥동%점공비
brushless DC motor%bidirection buck-boost%torque ripple%duty cycle
为提高无刷直流电动机的控制性能,减小电机换相区间转矩脉动,提出基于双向Buck-Boost供电的无刷直流电动机换相转矩脉动的抑制方法.分析了双向Buck-Boost控制模式和该电路的输出电压控制算法,仿真结果验证了电压控制算法及抑制电磁转矩脉冲的有效性.
為提高無刷直流電動機的控製性能,減小電機換相區間轉矩脈動,提齣基于雙嚮Buck-Boost供電的無刷直流電動機換相轉矩脈動的抑製方法.分析瞭雙嚮Buck-Boost控製模式和該電路的輸齣電壓控製算法,倣真結果驗證瞭電壓控製算法及抑製電磁轉矩脈遲的有效性.
위제고무쇄직류전동궤적공제성능,감소전궤환상구간전구맥동,제출기우쌍향Buck-Boost공전적무쇄직류전동궤환상전구맥동적억제방법.분석료쌍향Buck-Boost공제모식화해전로적수출전압공제산법,방진결과험증료전압공제산법급억제전자전구맥충적유효성.
In order to improve the control performance of brushless DC motors and reduce the electromagnetic torque during brushless DC motor in commutation,a method was proposed to change the power source voltage with bidirection buck-boost circuit.The Matlab simulation was carried out and the simulation results verified the validity of the proposed method.
