PWM调制方式对无刷直流电动机反电势电流的影响.pdf
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2006 39 3 ( 150 )
: T M361: A : 1001-6848( 2006) 03-0022-03
PWM
杨 燕, 焦振宏, 王崇武, 袁林兴
( , 710072)
:
, PW M ,
- ,
ON PW M
: ; PW M ; ;
The Different Influences of Four PWM Modes on Back Electromotive Force Current
in Brushless DCMotor Control System
, - , - , -
YANG Yan JIAO Zh n hong WANG Chong w u YUAN Lin x ing
( , 710072, )
Northw st Polyt chnical Univ rsit y X ian China
: ,
ABSTRACT Back l ctromot iv forc curr nt of BLDCM influ nc s th torqu rippl ffici ncy and commutation
control dir ct ly . In this pap r , th chang of back l ctromot iv forc curr nt w it h th diff r nt PWM mod s ar
analyz d in d tail on th bas of BLDCM mod l. According to t h ory and xp rim nt , ON-PW M typ r st rains th
p ak valu of back l ctromot iv forc curr nt and brings th l st ff ct to t h m otor control syst m .
: ; ; ;
EY WORDS BLDCM PW M EMF curr nt Circulat ing curr nt
LPWM : PWM ; HPWM
0
- LON: PWM , ;
, HON - LPWM : , PWM
, , ; ON - PWM : 60 , 60
PWM ; PWM - ON:
: , 60 PWM , 60
, PWM
, , ,
, , ,
, , , ,
PWM ,
PWM 2
, 1
PWM
A
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