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Iindaba

Inkqubo ye-Brushless DC motor AC servo ikhula ngokukhawuleza ngenxa ye-inertia yayo encinci, i-torque enkulu yemveliso, ulawulo olulula kunye nokuphendula okulungileyo okuguquguqukayo.Inemibono ebanzi yokusetyenziswa.Kwintsimi yokusebenza okuphezulu kunye nokuchaneka okuphezulu kwe-servo drive, iya kuthatha indawo kancinane inkqubo ye-servo ye-DC.Nangona kunjalo, i-torque ripple isekhona kwi-BLDC, engakwaziyo ukufikelela ngakumbi kulawulo lwendawo kunye nolawulo lwesantya esiphezulu sokusebenza.Isigaba sokuhamba ngoku sesinye sezizathu eziphambili zetorque ripple.

Kwinkqubo ye-AC servo kunye nengxelo yesigaba esingatshintshiyo ngoku, i-low-speed commutating torque ripple inokulawulwa, kodwa ayikwazi ukulawulwa kwimeko yesantya esiphezulu, i-non-commutating phase current is uncontrollable.Ke ngoko, kuyafuneka ukufumana iskimu sohlengahlengiso oluphuculweyo ukufezekisa ukusebenza ngcono kwetorque.

Imeko yokutshintsha esebenzayo ye-inverter kwinkqubo yokutshintsha kufuneka ikhethwe ngokwemigaqo.

Umgaqo 1: Landela indawo ye-rotor yangoku, oko kukuthi, cima ukutshintshwa okuhambelanayo kufuneka kunyamalale, kwaye ukutshintshwa okuhambelanayo kufuneka kusungulwe.

Umgaqo 2: phantsi koMthetho 1, ulawulo olulodwa kunye ne-bipolar lunokusetyenziswa.

Umgaqo wesi-3: vumela ukulibaziseka kokutshintsha okuhambelanayo ukuba kucinywe.

Ukufaneleka kunye neempazamo kwisicwangciso solawulo lokutshintsha phantsi kwemeko yokutshintshwa kuvavanywa ngezi zalathisi zimbini zilandelayo:

I-1.torque pulsation ebangelwa ukutshintshwa kuncinci kunokwenzeka (i-non commutation current pulsation incinci kangangoko kunokwenzeka).

2. ukunciphisa ixesha lokuhamba kangangoko kunokwenzeka.


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Ixesha lokuposa: Jun-01-2021