Chizunguliro chotsekedwamota zoyendera masitepeasintha chiŵerengero cha magwiridwe antchito ndi mtengo m'magwiritsidwe ambiri owongolera mayendedwe. Kupambana kwa ma mota opitilira patsogolo a VIC kwatsegulanso mwayi wosintha ma mota okwera mtengo a servo ndi ma mota otsika mtengo.mota zoyendera masitepe.Mu kuchuluka kwa ntchito zapamwamba zamafakitale zodzipangira zokha, kupita patsogolo kwaukadaulo kukusintha chiŵerengero cha magwiridwe antchito ndi mtengo pakati pa ma stepper motors ndi ma servo motors.
Ma stepper motors poyerekeza ndi ma servo motors
Malinga ndi nzeru zachikhalidwe, makina owongolera ma servo amagwira ntchito bwino kwambiri m'magwiritsidwe ntchito komwe kumafunika liwiro lopitirira 800 RPM komanso kuyankha kwakukulu kwamphamvu. Ma stepper motors ndi oyenera kwambiri kugwiritsa ntchito omwe ali ndi liwiro lotsika, kuthamanga pang'ono mpaka pakati komanso mphamvu yayikulu yogwira.
Ndiye kodi mfundo imeneyi yokhudza ma stepper motors ndi ma servo motors imachokera kuti? Tiyeni tiifufuze mwatsatanetsatane pansipa.
1. Kusavuta ndi mtengo wake
Ma stepper motors si otsika mtengo kuposa ma servo motors okha, komanso ndi osavuta kuwagwiritsa ntchito ndi kuwasamalira. Ma stepper motors ndi olimba akaima ndipo amakhalabe pamalo awo (ngakhale ndi katundu wosinthasintha). Komabe, ngati pakufunika kugwira ntchito bwino kwambiri pa ntchito zina, ma servo motors okwera mtengo komanso ovuta ayenera kugwiritsidwa ntchito.
2. Kapangidwe kake
Ma mota oyendera masitepezungulirani pang'onopang'ono, pogwiritsa ntchito maginito kuti mukoke pang'onopang'ono maginito kuchokera pamalo amodzi kupita ku ena. Kuti injini isunthe malo 100 mbali iliyonse, dera limafuna kuti ntchito zopondapo 100 zichitike pa injiniyo. Ma stepper motors amagwiritsa ntchito ma pulses kuti akwaniritse mayendedwe owonjezereka, zomwe zimathandiza kuti malowo akhale olondola popanda kugwiritsa ntchito ma feedback sensors.
Njira yoyendetsera injini ya servo ndi yosiyana. Imalumikiza sensa ya malo - mwachitsanzo encoder - ku rotor yamaginito ndipo nthawi zonse imazindikira malo enieni a injiniyo. Servo imayang'anira kusiyana pakati pa malo enieni a injiniyo ndi malo olamulidwa ndikusintha mphamvu yamagetsi moyenera. Dongosolo lotsekedwa ili limasunga injiniyo mumayendedwe oyenera.
3. Liwiro ndi mphamvu
Kusiyana kwa magwiridwe antchito pakati pa ma stepper ndi ma servo motors kumachokera ku njira zosiyanasiyana zopangira ma motors.Ma mota oyendera masitepeAli ndi ma poles ambiri kuposa ma servomotor, kotero kuzungulira kwathunthu kwa mota ya stepper kumafuna kusinthana kwamphamvu kwambiri, zomwe zimapangitsa kuti torque ichepe mofulumira pa liwiro lowonjezeka. Kuphatikiza apo, ngati torque yayikulu yafika, mota ya stepper ingataye ntchito yake yolumikizira liwiro. Pazifukwa izi, ma servo motors ndi njira yabwino kwambiri pamagwiritsidwe ntchito ambiri othamanga kwambiri. Mosiyana ndi zimenezi, kuchuluka kwa ma poles ambiri a mota ya stepper kumakhala kopindulitsa pa liwiro lotsika, pamene mota ya stepper ili ndi mwayi wopambana pa mota ya servo ya kukula komweko.
Pamene liwiro likuwonjezeka, mphamvu ya injini ya stepper imachepa
4. Malo Oyikira
Pali kusiyana kwakukulu pakati pa ma stepper motors ndi ma servo motors pamagwiritsidwe ntchito komwe malo enieni a makinawo ayenera kudziwika nthawi zonse. Mu ma open-loop mayendedwe oyendetsedwa ndi ma stepper motors, makina owongolera amaganiza kuti motayo nthawi zonse imakhala mumayendedwe oyenera. Komabe, pambuyo poti pakhala vuto, monga mota yoyima chifukwa cha gawo lomangika, wowongolera sangathe kudziwa malo enieni a makinawo, zomwe zingayambitse kutayika kwa malo. Makina otsekedwa a servo motor okha ali ndi ubwino: ngati atsekedwa ndi chinthu, adzazindikira nthawi yomweyo. Makinawo adzasiya kugwira ntchito ndipo sadzakhala pamalo oyenera.
5. Kutenthetsa ndi kugwiritsa ntchito mphamvu
Ma mota otseguka oyendera magetsi amagwiritsa ntchito mphamvu yokhazikika ndipo amapereka kutentha kwambiri. Kuwongolera kotsekedwa kumangopereka mphamvu yofunikira pa liwiro lozungulira motero kumapewa vuto la kutentha kwa injini.
Chidule cha kuyerekeza
Machitidwe owongolera ma servo ndi oyenera kwambiri pa ntchito zothamanga kwambiri zomwe zimaphatikizapo kusintha kwa mphamvu zamagetsi, monga manja a robotic. Komabe, machitidwe owongolera ma stepper ndi oyenera kwambiri pa ntchito zomwe zimafuna kuthamanga pang'ono mpaka pakati komanso mphamvu yogwira ntchito kwambiri, monga ma printers a 3D, ma conveyors, ma sub axes ndi zina zotero. Chifukwa ma stepper motors ndi otsika mtengo, amatha kuchepetsa mtengo wa makina odziyimira pawokha akagwiritsidwa ntchito. Machitidwe owongolera mayendedwe omwe amafunika kugwiritsa ntchito mawonekedwe a ma servo motors ayenera kutsimikizira kuti ma motors okwera mtengo awa ndi ofunika kulemera kwawo kwagolide.
Ma mota a stepper okhala ndi locked-loop control
Mota ya stepper yokhala ndi control yamagetsi yolumikizidwa ndi yofanana ndi mota ya DC yopanda maburashi awiri ndipo imatha kuchita kuwongolera malo, kuwongolera liwiro, kuwongolera DQ, ndi ma algorithms ena. Chojambulira cha absolute chozungulira chimodzi chimagwiritsidwa ntchito posintha mtunda, motero kuonetsetsa kuti torque yabwino kwambiri ikuyenda pa liwiro lililonse.
Kugwiritsa ntchito mphamvu zochepa komanso kusunga kuzizira
Ma mota a VIC stepper amagwiritsa ntchito mphamvu zambiri. Mosiyana ndi ma mota a open-loop stepper, omwe nthawi zonse amagwira ntchito ndi mphamvu zonse zamagetsi ndipo amayambitsa mavuto a kutentha ndi phokoso, mphamvu yamagetsi imasintha malinga ndi momwe zinthu zilili pakuyenda, mwachitsanzo panthawi yothamanga ndi kutsika kwa liwiro. Mofanana ndi ma servo, mphamvu yamagetsi yomwe imagwiritsidwa ntchito ndi ma mota a stepper awa nthawi iliyonse imakhala yofanana ndi mphamvu yeniyeni yomwe ikufunika. Chifukwa chakuti mota ndi bolodi lolamulira lamagetsi lolumikizidwa limayenda bwino, ma mota a VIC stepper amatha kukhala ndi mphamvu zapamwamba kwambiri zofanana ndi ma mota a servo.
Ngakhale pa liwiro lalikulu, ma mota a VIC stepper amafuna mphamvu yochepa
Chifukwa cha kupita patsogolo kwa ukadaulo wotsekedwa, ma stepper motors amatha kugwiritsa ntchito bwino kwambiri komanso mwachangu kwambiri zomwe kale zinali za ma servo motors okha.
Ma mota a stepper okhala ndi ukadaulo wotsekedwa
Nanga bwanji ngati ubwino wa ukadaulo wa servo wotsekedwa ungagwiritsidwe ntchito pa ma stepper motors?
Kodi tingathe kuchita bwino mofanana ndi ma servo motors pamene tikuzindikirabe ubwino wa ma stepper motors?
Mwa kuphatikiza ukadaulo wowongolera wozungulira, mota ya stepper idzakhala chinthu chokwanira chokhala ndi ubwino wa mota za servo ndi stepper pamtengo wotsika. Chifukwa ma mota a closed-loop stepper amapereka kusintha kwakukulu pakugwira ntchito bwino komanso kugwiritsa ntchito mphamvu moyenera, amatha kusintha ma mota a servo okwera mtengo kwambiri m'mapulogalamu ambiri apamwamba.
Chitsanzo chotsatirachi ndi cha mota ya VIC yolumikizidwa ndi VIC yokhala ndi chiwongolero chotsekedwa kuti ifotokoze momwe imagwirira ntchito komanso ubwino ndi kuipa kwa mota za stepper zokhala ndi ukadaulo wotsekedwa.
Zofunikira pakuchita bwino zomwe zikugwirizana bwino
Pofuna kuonetsetsa kuti mphamvu ya torque yokwanira ithetsa kusokonezeka ndikupewa masitepe otayika, ma mota otseguka nthawi zambiri amafunika kuwonetsetsa kuti mphamvu ya torque ndi yokwera ndi 40% kuposa mtengo womwe ukufunika ndi ntchito. Ma mota otsekedwa a stepper samakhala ndi vutoli. Ma mota otsekedwa awa akaima chifukwa cha kuchuluka kwa mphamvu, amapitiliza kugwira ntchito popanda kutaya mphamvu ya torque. Amapitiliza kugwira ntchito pambuyo poti mphamvu ya overload yachotsedwa. Mphamvu yayikulu ikhoza kutsimikizika pa liwiro lililonse ndipo sensa ya malo imawonetsetsa kuti palibe kutayika kwa sitepe. Chifukwa chake, ma mota otsekedwa a stepper amatha kufotokozedwa kuti agwirizane ndi zofunikira za mphamvu ya torque ya ntchito yoyenera popanda kufunikira ndalama zina zowonjezera za 40%.
Ndi ma mota otseguka oyendera ma stepper, zimakhala zovuta kukwaniritsa zofunikira za torque yayikulu nthawi yomweyo chifukwa cha chiopsezo cha kutayika kwa masitepe. Poyerekeza ndi ma mota okhazikika oyendera ma stepper, ma mota otsekedwa a VIC amatha kuthamangitsa mwachangu kwambiri, phokoso lochepa komanso kutsika kwa mphamvu. Amatha kugwira ntchito pa bandwidths yapamwamba kwambiri ndikupeza magwiridwe antchito abwino kwambiri.
Palibe kabati
Toda imagwirizanitsa bolodi lowongolera ma drive ndi mota, kuchepetsa kuchuluka kwa mawaya ndikupangitsa kuti njira yogwiritsira ntchito ikhale yosavuta. Ndi toda, mutha kupanga makina opanda makabati.
Kuphatikiza zamagetsi ndi ma stepper motors kumachepetsa zovuta
Ndi ukadaulo wotsekedwa, ma mota otsekeredwa otsekedwa amapatsa ogwiritsa ntchito kulondola komanso kugwira ntchito bwino kwambiri, ndi magwiridwe antchito a mota ya servo komanso mtengo wotsika wa mota yotsekeredwa. Ma mota otsekeredwa otsika mtengo pang'onopang'ono amalowa mkati mwa ntchito zomwe zikanalamulidwa ndi ma mota otsekeredwa okwera mtengo a servo.
Nthawi yotumizira: Epulo-10-2023