1. Umzimba wemoto weubungakanani obuphakathi DC umazibuthe motor:
I-stator winding yi-concentrated winding, kwaye i-rotor yemagnethi esisigxina yenza i-square wave magnetic field;umzimba wemoto wemagnethi esisigxina ye-synchronous motor: i-stator winding yi-winding esasazwayo, kwaye i-rotor yemagnethi esisigxina yenza intsimi yamagnetic engaqondakaliyo;
2. Isivamvo sesikhundla se-brushless DC motor:
Isisombululo esisezantsi, isisombululo se-60 degree, iHolo element, uhlobo lwe-electromagnetic, uhlobo lombane;Isikhundla senzwa yemagnethi esisigxina ye-synchronous motor: isisombululo esiphezulu, 1/256, 1/1024, isixazululi, idisk yekhowudi ye-optical;
3. Ulawulo olwahlukileyo:
Ubukhulu obuphakathi DC isigxina umazibuthe motor: 120 degree isikwere wave ngoku, usebenzisa ulawulo PWM;
Imagnethi esisigxina ye-synchronous motor: I-Sine wave yangoku, ulawulo lwe-SPWM SVPWM.
Injini yemagnethi esisigxina yeDC enobungakanani obuphakathi: Imagnethi yenziwe imagnethi ngamaza asisikwere, amandla olawulo PWM ikwaliza lesikwere, kwaye langoku liza liso sikweri.Kukho iivektha zesithuba ezi-6 kumjikelo omnye wombane.Ulawulo lulula, ixabiso liphantsi, kwaye i-MCU ngokubanzi inokufezekiswa.
Imagnethi esisigxina ye-synchronous motor: Umazibuthe utsalwa yi-sine wave, amandla angasemva e-electromotive ikwaliza le-sine, kwaye langoku liliza le-sine.Itekhnoloji yokulawula iVector isetyenziswa ngokubanzi, kwaye kukho ubuncinci ii-vectors ze-18 kumjikelo wombane (ngokuqinisekileyo, ngakumbi ngcono), onokuthi uphunyezwe nge-MCU ephezulu okanye i-DSP.
DC Servo: Olu luhlu lubanzi kakhulu.I-DC servo ibhekisela kulawulo lwemoto ye-DC kwaye emva koko inkqubo yokulawula, ngokwemiyalelo yolawulo (isantya, isikhundla, i-engile, njl. njl.) ukuba isebenze, isetyenziswa ngokubanzi kwi-actuators.
1. Umahluko wabenzi boluvo:
Ubungakanani obuphakathi DC ozibuthe osisigxina motor (BLDC): isivamvo sendawo, njengeHolo, njl.;
Imagnethi esisigxina ye-synchronous motor (PMSM): isantya kunye nezinzwa zendawo, ezifana nezisombululi, ii-encoder photoelectric, njl.;
2. Umva we-EMF waveform yahlukile:
I-BLDC: i-wave ye-trapezoidal eqikelelweyo (imeko efanelekileyo);
PMSM: I-Sine wave (imeko efanelekileyo
Eyesithathu, imo yamaza yangoku yahlukile:
I-BLDC: i-square wave okanye i-trapezoidal wave (imeko efanelekileyo);
PMSM: I-Sine wave (imeko efanelekileyo
Okwesine, umahluko phakathi kwenkqubo yolawulo:
I-BLDC: ngokuqhelekileyo iquka umlawuli wendawo, umlawuli wesantya kunye nomlawuli wangoku (torque);
I-PMSM: Izicwangciso ezahlukeneyo zokulawula ziya kuba neenkqubo ezahlukeneyo zokulawula;
5. Umahluko phakathi kwemigaqo yoyilo kunye neendlela:
I-BLDC: yandisa ububanzi be-back-EMF waveform kangangoko kunokwenzeka (yenza ibe malunga ne-ladder wave);
I-PMSM: Yenza i-EMF yangasemva isondele kwi-sine wave;
Ukubonakaliswa kuyilo ubukhulu becala umahluko kwi-stator winding kunye nesakhiwo se-rotor (njenge-pole arc coefficient).
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Ixesha lokuposa: Aug-20-2021