Brushless DC motor AC servo system ikukula mwachangu chifukwa cha inertia yake yaying'ono, torque yayikulu yotulutsa, kuwongolera kosavuta komanso kuyankha kwamphamvu. Ili ndi mwayi wogwiritsa ntchito kwambiri. Pamalo ochita bwino kwambiri komanso kuyendetsa bwino kwambiri servo, pang'onopang'ono idzalowa m'malo mwadongosolo lakale la DC servo. Komabe, torque ripple ikadalipo mu BLDC, yomwe singakwanitse kuwongolera malo komanso kuwongolera kuthamanga kwambiri. Kusinthasintha kwaposachedwa ndi chimodzi mwazifukwa zazikulu za torque ripple.

Mu AC servo system yokhala ndi mayankho apano omwe sali osinthasintha, ma torque otsika kwambiri amatha kuwongoleredwa, koma sangathe kuwongoleredwa pa liwiro lalikulu, gawo lomwe silikuyenda pakali pano silingalamulike. Chifukwa chake, ndikofunikira kupeza njira yabwino yosinthira kuti mukwaniritse bwino ntchito ya torque.

Kusintha kwabwino kwa inverter munjira yosinthira iyenera kusankhidwa malinga ndi malamulo.

Lamulo 1: Tsatirani malo a rotor omwe alipo, ndiye kuti, zimitsani chosinthira chofananira chiyenera kutha, ndipo chosinthira chofananira chiyenera kukhazikitsidwa.

Lamulo 2: Pansi pa Chigamulo 1, maulamuliro amodzi ndi a bipolar angagwiritsidwe ntchito.

Lamulo 3: lolani kuti kusintha kofananirako kuzimitsidwe.

Ubwino ndi zolakwika za njira yosinthira ma switch pamayendedwe akuwunikidwa ndi ma index awiri awa:

1.torque pulsation yomwe imayambitsidwa ndi kusinthasintha ndi yaying'ono momwe zingathere (osasinthasintha panopa pulsation yaying'ono momwe mungathere).

2. kufupikitsa nthawi yoyendera momwe mungathere.

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