Joalo ka mohloli oa matla oa lisebelisoa tsa motlakase kapa mechini e fapaneng, mosebetsi oa mantlha oa enjene ke ho baka torque ea koloi.

Le hoja mochine o fokotsang polanete o sebelisoa haholo-holo hammoho le li-servo motors le li-stepper motors, tsebo ea setsebi ea likoloi e ntse e tsebahala haholo.Ka hona, ke ile ka fela pelo ha ke bona “kakaretso ena ea tšebetso ea makoloi e matla ka ho fetisisa historing”.Khutla ho tla arolelana le bohle.

Brushless Direct Current Motor (BLDCM) e tlosa mefokolo ea tlhaho ea li-motor tsa DC tse brushed mme e nkela lirotara tsa mochini ka lirotara tsa lisebelisoa tsa elektroniki.Ka hona, li-motor tsa hona joale tse se nang brushless li na le litšobotsi tse ntle tse fapaneng tsa lebelo le litšobotsi tse ling tsa li-motors tsa DC.E boetse e na le melemo ea sebopeho se bonolo sa puisano ea AC motor, ha ho na lelakabe la phallo, ts'ebetso e tšepahalang le tlhokomelo e bonolo.
Melao-motheo ea mantlha le li-algorithms tsa ho ntlafatsa.

Melao ea taolo ea enjene ea BLDC e laola boemo le sistimi ea rotor ea enjene eo enjine e e hlahisang ho e lokisa.Bakeng sa ho qhekella ha sekhahla sa ho laola lebelo le koetsoeng, ho na le melao e 'meli e eketsehileng, ke hore, tekanyo e nepahetseng ea lebelo la koloi ea rotor / kapa motlakase oa motlakase le pontšo ea eona ea PWM ho laola matla a tlhahiso ea lebelo la motlakase.

Enjene ea BLDC e ka khetha tatellano ea lehlakore kapa setsi sa tsamaiso ho tatellano ea lets'oao la PWM ho latela melaoana ea kopo.Lisebelisoa tse ngata li fetola ts'ebetso ea 'nete ka sekhahla se boletsoeng,' me ho tla khethoa matšoao a 6 a arohaneng a PWM.Sena se bonts'a qeto e phahameng ea skrineng.Haeba u sebelisa seva ea marang-rang e boletsoeng bakeng sa boemo bo nepahetseng, sistimi e senyang matla kapa ho khutlisa matla a ho khanna, ho khothaletsoa ka matla ho sebelisa setsi sa taolo se tlatsitsoeng ho tatellano ea lets'oao la PWM.

Bakeng sa ho ntlafatsa karolo ea rotor ea enjene ea matla a khoheli, enjene ea BLDC e sebelisa sensor ea Hall-effect ho bonts'a boemo bo felletseng ba matla a khoheli.Sena se fella ka likopo tse ngata le litšenyehelo tse phahameng.Inductorless BLDC ts'ebetso e felisa tlhokahalo ea likarolo tsa Hall, 'me e khetha feela matla a motlakase a ikemetseng (a susumetsoa ke electromotive force) ea motlakase ho bolela esale pele le ho hlahloba karolo ea rotor ea motlakase.Ts'ebetso e se nang kutlo e bohlokoa haholo bakeng sa lits'ebetso tsa taolo ea lebelo le tlase joalo ka li-fan tse pholisang le lipompo.Ha o sebelisa li-motors tsa BLDC, lihatsetsi le li-compressor le tsona li tlameha ho sebetsoa ntle le li-inductors.Ho kenya le ho tlatsa nako e tletseng ea mojaro
Boholo ba li-motor tsa BLDC ha li hloke PWM e tlatselletsang, ho kenya nako e felletseng ea mojaro kapa puseletso ea nako e felletseng ea mojaro.Ho na le monyetla oa hore lits'ebetso tsa BLDC tse nang le tšobotsi ena ke li-motor tse sebetsang hantle tsa BLDC feela, li-motor tsa BLDC tse khothalelitsoeng ka sine-wave, li-brush motors AC, kapa li-motor synchronous tsa PC.

Litsamaiso tse ngata tse fapaneng tsa taolo li sebelisoa ho bonts'a ho qhekella ha li-motor tsa BLDC.Ka tloaelo, transistor ea matla a hlahisoang e sebelisoa e le phepelo ea motlakase e laoloang ke mohala ho theola matla a sebetsang a enjene.Mofuta ona oa mokhoa ha o bonolo ho o sebelisa ha o khanna koloi e nang le matla a phahameng.Li-motor tse nang le matla a phahameng li tlameha ho sebetsoa ke PWM, 'me microprocessor e tlameha ho hlalosoa ho bonts'a mesebetsi ea ho qala le ho laola.

Sistimi ea taolo e tlameha ho bonts'a mesebetsi e meraro e latelang:

Matla a sebetsang a PWM a sebelisoang ho laola lebelo la enjene;

Sistimi e sebelisetsoang ho fetola enjene ho ea ho rectifier;

Sebelisa matla a electromotive a iketsetsang kapa a Hall element ho bolela esale pele le ho sekaseka tsela ea motor rotor.

Phetoho ea bophara ba pulse e sebelisoa feela ho sebelisa matla a feto-fetohang a sebetsang ho moea oa motlakase.Matla a sebetsang a utloahalang a amana hantle le potoloho ea mosebetsi oa PWM.Ha phetoho e nepahetseng ea rectifier e fumanoa, litšobotsi tsa sekhahla sa torque tsa BLDC li tšoana le li-motor tse latelang tsa DC.Matla a sebetsang a feto-fetohang a ka sebelisoa ho laola lebelo le torque e fapaneng ea enjene.