永磁无刷直流电机控制论文-PWM调制下无刷直流电机的转矩脉动抑制.pdf

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永磁无刷直流电机控制论文-PWM调制下无刷直流电机的转矩脉动抑制.pdf 基于PWM控制的直流电机调速系统的设计.pdf 基于PWM_ON_PWM改进型无刷直流电机的控制.pdf 基于MATLAB仿真和单片机控制的直流脉宽调速系统.pdf 基于Matlab的双闭环直流电机调速系统的仿真.pdf 基于MATLAB的_电机与拖动_仿真实验_直流电动机调速实验.pdf
2011 41 PWM 4Eu+ 3rlo (18) T 2EI。Ua-4E 2U4-2E (11) 0≤ 4 PWM DB≤ 4Em+3r10≤ (14) DBB<(4Em +Srl)/U DB>(4Em+3r1)/U。, PWM (18) (17) (X=A, t--ln(1+ (19) I2+2E B,C),S--1 S=O PWM A PWM B A PWM Loria+ dt (l dt (20) B PW LtribteB-(L+ tec LAtriatex-(L tritec)=c (20)、(1)(2) (12) tribteb-(Lyric tec)=su 2U。-4E 1 (21) (12)、(1) Cd-4E + Ua-4E (13) Lc 4E L+ lc=10-(U4+DU-4E (22) ic=lo-(b、Dm1U1-4E )(1-cz)(14) (20)(21) D U-2E (12)(13) fr d (23) U4+2E dig 20a-2E B t d (15) d 2E S=0 2(UdEm)-Daaud DBsUd+2E (I+ DERUA+2E (16) 2(Ud-em)-daaud (24) 4V1n(1+DU。+2Em 2(Ud Em)DAAU (17) 2(Ud-Em)- DaUd-3rlo (25) (14) (22), 28 C1994-2011ChinaacAdemicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net PWM 2011 41 4E.srl H PWM--I U (26) PWM 4E+3r1≥Ua, Matlab (22) Dm<(4En+3rI。)/Ua-1 PWM ON PWM Dm>(4En+3rI。)/U4-1 b 3a (26) PWM Ud-2Em-rle D 5 PWM 糖循 07 [14-15] PWM PWM ON PWM ( a)H PWm-I_ON时 PWM PWM ON PWM (b) PWM ON PWM时 PWM Fig 3 Waveforms of phase current PWM ON PWM 4Em+3rI≤U -0.5 0.70.8 11 n[1+r1o/(r+2En)], DBn=(4Eu+ 3rL,)/U 0708 11.21 4E+ (a)无换相补偿控制时 37l≥Ud L In[l-rlo/(Ud-2Em-rlo)] )7080.9 2s1.1121.3 (4Em+3rI)/Ua-1, 日 z05 70.80.9 1.1 213 BLDCM 8:L=26 mH,r (b)换相补偿控制时 0.6692,J=0.0157kg·m2,U=48V,m=1600 r/min,T=0.4N。 Fig 4 Waveforms of phase current and torque in low speed C1994-2011ChinaacAdemicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net 2011 41 PWM 0.0013 PWM ON PWM DB=0.4 PWM 4 b PWM a PWM t-0.0013s 0.6 5b ,2c08,12(3):288-293. 2007,41(2):102-104 [3 Song Joong Ho, Ick Choy Conmutation Torque Ripple Re- duction in Brushless DC Motor Drivers Using a Single DC 0.720.740760.780.80.82 Current Sensor[J. IEEE Trans on Power Electr.,2004.19 日 4 Kim Gwang Heon, Seog Joo, Jong Soo Won. Analysis of the Commutation Torque Ripple Effect for BLDCM Fed by 720.740.760.780.8082 HCRPWM-VSI[C Proceeding of APEC, 1992: 2 (a)无换相补偿控制时 PWM 200:,7(2): 87-91 760.780.80.82 720.740.760.780.8 (b)换相补偿控制时 「J] 2C07,35(2):14-17 9] Fig 5 Waveforms uf phase current and torque in high speed 2005,26(3):153-158 PWM ON PWM 2008,12(3):248-23 2C02,22(1):54-58. 6 「J]. ,2004.37(5):42-44. PWM PWM PWM ON PWM PWM 2005,39(7):1038-1042. 2010—03—01 2010-07-15 30 C1994-2011ChinaacAdemicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net

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