Isimiso sokusebenza se-AC servo motor:
Uma i-AC servo motor ingenayo i-voltage yokulawula, kukhona kuphela inkambu kazibuthe ephehlayo ekhiqizwa ukuvunguza okujabulisayo ku-stator, futhi i-rotor imile.Uma kune-voltage yokulawula, inkambu kazibuthe ejikelezayo ikhiqizwa ku-stator, futhi i-rotor izungeza isiqondiso sensimu yamagnetic ejikelezayo.Uma umthwalo ungashintshi, ijubane lemoto liyashintsha ngobukhulu be-voltage yokulawula.Lapho isigaba se-voltage yokulawula siphambene, i-AC servo I-motor izohlehla.Nakuba isimiso sokusebenza se-AC servo motor sifana naleyo ye-split-phase single-phase asynchronous motor, ukumelana ne-rotor yangaphambili kukhulu kakhulu kunaleyo yokugcina.Ngakho-ke, uma kuqhathaniswa ne-asynchronous motor yomshini owodwa, i-servo motor inezici ezintathu ezibalulekile:
1. I-torque enkulu yokuqala
Ngenxa yokumelana ne-rotor enkulu, ijika lesici se-torque sikhonjiswe ku-curve 1 kuMfanekiso 3, okusobala ukuthi wehlukile kune-torque isici ijika 2 lamamotho ajwayelekile asynchronous.Ingenza isilinganiso esibucayi sokushelela i-S0>1, esingagcini nje ngokwenza isici setorque (isici somshini) sisondele kumugqa, kodwa futhi sibe netorque enkulu yokuqala.Ngakho-ke, lapho i-stator ine-voltage yokulawula, i-rotor ijikeleza ngokushesha, enezici zokuqalisa okusheshayo nokuzwela okuphezulu.
2. Uhla olubanzi lokusebenza
3. Akukho mkhuba wokuzungezisa
Nge-servo motor ekusebenzeni okujwayelekile, inqobo nje uma i-voltage yokulawula ilahlekile, injini izoyeka ukusebenza ngokushesha.Lapho i-servo motor ilahlekelwa i-voltage yokulawula, isesimweni sokusebenza kwesigaba esisodwa.Ngenxa yokumelana okukhulu kwe-rotor, izici ezimbili ze-torque (i-T1-S1, i-T2-S2 curves) ekhiqizwa yizici ezimbili ezijikelezayo ezizungezayo ezijikelezayo ku-stator kanye nokusebenza kwe-rotor ) nezici ze-torque zokwenziwa (TS ijika) Amandla okukhiphayo e-AC servo motor ngokuvamile angu-0.1-100W.Uma imvamisa yamandla ingu-50Hz, ama-voltages angu-36V, 110V, 220, 380V;lapho imvamisa yamandla ingu-400Hz, ama-voltages angu-20V, 26V, 36V, 115V njalonjalo.I-AC servo motor isebenza kahle ngomsindo ophansi.Kodwa isici sokulawula asikona umugqa, futhi ngenxa yokuthi ukumelana ne-rotor kukhulu, ukulahlekelwa kukhulu, futhi ukusebenza kahle kuphansi, uma kuqhathaniswa ne-DC servo motor yomthamo ofanayo, inkulu futhi iyasinda, ngakho ifaneleka kuphela. kumasistimu wokulawula amandla amancane we-0.5-100W.
Okwesibili, umehluko phakathi kwe-AC servo motor ne-DC servo motor:
Ama-DC servo motors ahlukaniswe abe ama-brushed kanye nama-brushless motors.Amamotho amabhulashi anezindleko eziphansi, alula ngokwakheka, makhulu ekuqaliseni itorque, abanzi ngebanga lokulawula isivinini, kulula ukuwalawula, futhi adinga ukunakekelwa, kodwa kulula ukuwagcina (ukushintsha amabhulashi ekhabhoni), akhiqiza ukuphazamiseka kagesi, futhi anezidingo imvelo.Ngakho-ke, ingasetshenziswa emicimbini evamile yezimboni neyomphakathi ezwela izindleko.I-brushless motor incane ngosayizi, ilula ngesisindo, inkulu ekuphumeni, iyashesha ukuphendula, isivinini esikhulu, incane nge-inertia, ibushelelezi ekujikelezeni futhi izinzile ku-torque.Ukulawula kuyinkimbinkimbi, futhi kulula ukubona ubuhlakani.Indlela yayo yokushintsha i-elekthronikhi iyavumelana nezimo, futhi ingaba isikwele sokushintshwa kwegagasi noma i-sine wave commutation.I-motor ayinakekelwa, isebenza kahle kakhulu, izinga lokushisa eliphansi lokusebenza, imisebe ye-electromagnetic ephansi, impilo ende, futhi ingasetshenziswa ezindaweni ezahlukahlukene.
Ama-AC servo motors ahlukaniswe ngama-motor synchronous kanye ne-asynchronous.Njengamanje, ama-synchronous motors asetshenziswa ngokujwayelekile ekulawuleni ukunyakaza.Ibanga lamandla ayo likhulu futhi lingakwazi ukuzuza amandla amakhulu.I-inertia enkulu, isivinini esiphansi esiphezulu sokujikeleza, futhi iyancipha ngokushesha njengoba amandla enyuka.Ngakho-ke, ilungele izinhlelo zokusebenza ezisebenza kahle ngesivinini esiphansi.
I-rotor ngaphakathi kwe-servo motor iyizibuthe unomphela.Ugesi we-U/V/W wezigaba ezintathu olawulwa umshayeli wenza inkambu kazibuthe kagesi.I-rotor ijikeleza ngaphansi kwesenzo sale nsimu kazibuthe.Ngesikhathi esifanayo, isifaki khodi senjini sibuyisela isignali kumshayeli.Amanani aqhathaniswa nokulungisa i-engeli lapho i-rotor ijika khona.Ukunemba kwe-servo motor kuncike ekunembeni (inombolo yemigqa) yesishumeki.
Ngokuthuthuka okuqhubekayo kwe-automation yezimboni, isidingo sesoftware ezishintshayo kanye nemishini yehadiwe sihlala siphezulu.Phakathi kwazo, imakethe yamarobhothi ezimboni yasekhaya ibilokhu ikhula kancane kancane, futhi izwe lami seliphenduke imakethe enkulu kunazo zonke emhlabeni.Ngesikhathi esifanayo, iqhuba ngokuqondile isidingo semakethe sezinhlelo ze-servo.Njengamanje, ama-servo motors e-AC kanye ne-DC ane-torque ephezulu yokuqala, i-torque enkulu kanye ne-inertia ephansi asetshenziswa kabanzi kumarobhothi ezimboni.Amanye amamotho, njengama-AC servo motors kanye nama-stepper motors, nawo azosetshenziswa kumarobhothi ezimboni ngokuya ngezidingo ezahlukahlukene zohlelo.
Isikhathi sokuthumela: Jul-07-2023
