I-Ultrasonic Cake Cutter ifinyelela kanjani ukuma okusheshayo nokunembe kwemikhiqizo? Impendulo ithi: servo control. Ngakho-ke, yini i-servo control?

 

Ukulawulwa kwe-Servo, okungukuthi, imisebenzi yabantu elawula ukunyakaza okukhiqizwa kanye nokunyakaza kwezinto ukuhlangabezana nenhloso ethile. Okubizwa ngokuthi i-servo control ibhekisela ekulawuleni okuphumelelayo kwezinguquko endaweni, isivinini kanye nokusheshisa kokuhamba kwento. Lolu hlobo lokulawula luye lwaduma emikhakheni ehlukahlukene. Isistimu yokulawula i-Servo isho isistimu yokulawula impendulo esetshenziselwa ukulandela ngokunembile noma ukukhiqiza kabusha inqubo.

 

1. Uhlelo lwe-servo lungahlukaniswa cishe lube yizinto ezilandelayo:

  1. Ingxenye yomyalo: idivayisi yokuphumayo yesiginali yomyalo wesenzo
  2. Ingxenye yeDrayivu: idivayisi ethola okukhipha ingxenye yomyalo futhi eshayela isenzo se-actuator (njengemoto)
  3. Ingxenye yempendulo: idivayisi yokuthola isakhiwo sokwenza noma isimo sokulayisha
  4. I-Actuator: Thola isignali ephumayo yengxenye yokushayela ukuze ukhiqize i-torque, indawo kanye nezinye izifunda

 

2. Isakhiwo sangaphakathi se-servo:

 

3. Indlela yokulawula

Ngokuvamile, i-servo inezinhlobo ezintathu zokulawula: imodi yokulawula isivinini, imodi yokulawula i-torque, nemodi yokulawula isikhundla.

 

4. Ukuqhathaniswa kwezindlela ezintathu zokulawula:

  1. Uma kungekho sidingo ngesivinini kanye nesimo se-motor, inqobo nje uma i-torque engaguquki iphuma, imodi ye-torque isetshenziswa.
  2. Uma kunesidingo esithile sokunemba sesikhundla nesivinini, kodwa singakhathazeki kakhulu nge-torque yesikhathi sangempela, akulula ukusebenzisa imodi ye-torque, kungcono ukusebenzisa isivinini noma imodi yokuma. Uma isilawuli sokusingatha sinomsebenzi ongcono wokulawula iluphu evaliwe, umphumela wokulawula isivinini uzoba ngcono. Uma imfuneko ingekho phezulu kakhulu, noma ngokuyisisekelo ingekho imfuneko yesikhathi sangempela, asikho isidingo esiphezulu sesilawuli sokusingatha kumodi yokulawula indawo.
  3. Ngokombono wejubane lokuphendula le-servo drive, inani lokubala lemodi ye-torque lincane kakhulu, futhi impendulo yokushayela kusiginali yokulawula ishesha kakhulu; inani lesibalo semodi yokuma likhulu, futhi impendulo yedrayivu kusiginali yokulawula ihamba kancane.
  4. Lapho kunezidingo eziphakeme uma kuqhathaniswa nokusebenza okuguquguqukayo ekunyakazeni, injini idinga ukulungiswa ngesikhathi sangempela. Bese uma isivinini sokusebenza sesilawuli ngokwaso sihamba kancane (njenge-PLC, noma isilawuli sokunyakaza esisezingeni eliphansi), bese usebenzisa imodi yokuma ukuze ulawule. Uma isivinini sokusebenza sesilawuli sishesha ngokuqhathaniswa, ungasebenzisa imodi yesivinini ukuhambisa iluphu yendawo ukusuka kudrayivu ukuya kusilawuli ukuze unciphise umthwalo womsebenzi wedrayivu futhi uthuthukise ukusebenza kahle (njengezilawuli eziningi zokunyakaza ezimaphakathi ukuya phezulu); uma kukhona ukulawula okuphezulu okungcono Isilawuli singabuye silawulwe yimodi ye-torque, futhi i-loop yesivinini nayo isusiwe ku-drive. Lokhu ngokuvamile kwenziwa kuphela ngabalawuli abakhethekile abasezingeni eliphezulu, futhi ngalesi sikhathi, ayikho i-servo motor edingekayo nhlobo.