Monga gawo lalikulu la zida zina zodziyimira pawokha, kudalirika ndi kukhazikika kwa makina owongolera mayendedwe kumakhudza mwachindunji magwiridwe antchito a zidazo, ndipo chimodzi mwazinthu zazikulu zomwe zimakhudza kudalirika ndi kukhazikika kwake ndi vuto la kuletsa kusokonezedwa. Chifukwa chake, momwe mungathetsere bwino vuto la kusokonezedwa ndi vuto lomwe silinganyalanyazidwe popanga makina owongolera mayendedwe.
1. Chochitika chosokoneza
Mu ntchito, zinthu zotsatirazi zosokoneza nthawi zambiri zimakumana nazo:
1. Pamene makina owongolera sapereka lamulo, mota imazungulira mosakhazikika.
2. Pamene mota ya servo yasiya kuyenda ndipo chowongolera kuyenda chikawerenga malo a mota, mtengo womwe umaperekedwa ndi chojambulira cha photoelectric kumapeto kwa mota umadumpha mwachisawawa.
3. Pamene mota ya servo ikugwira ntchito, mtengo wa encoder read sugwirizana ndi mtengo wa lamulo lomwe laperekedwa, ndipo mtengo wa cholakwikacho ndi wosakhazikika komanso wosakhazikika.
4. Pamene mota ya servo ikugwira ntchito, kusiyana pakati pa mtengo wa read encoder ndi mtengo wa lamulo woperekedwa ndi mtengo wokhazikika kapena umasintha nthawi ndi nthawi.
5. Zipangizo zomwe zimagawana magetsi ofanana ndi makina a AC servo (monga chowonetsera, ndi zina zotero) sizigwira ntchito bwino.
2. Kusanthula magwero osokoneza
Pali mitundu iwiri ikuluikulu ya njira zomwe zimalepheretsa kulowa mu dongosolo lowongolera mayendedwe:
1, kusokoneza njira yotumizira ma signal, kusokoneza kumalowa kudzera mu njira yolowera ma signal ndi njira yotulutsira yolumikizidwa ku system;
2, kusokoneza kwa dongosolo la magetsi.
Njira yotumizira ma signal ndiyo njira yomwe makina owongolera kapena dalaivala amalandirira ma feedback signals ndikutumiza ma signal owongolera, chifukwa mafunde a pulse adzachedwa ndikusokonekera pa chingwe chotumizira ma signal, kuchepa kwa ma signal ndi kusokoneza ma signal, mu njira yotumizira ma signal, kusokoneza kwa nthawi yayitali ndiye chinthu chachikulu.
Pali zopinga zamkati mumagetsi ndi ma transmission line aliwonse. Ndi zopinga zamkati izi zomwe zimayambitsa phokoso la magetsi. Ngati palibe kupinga kwamkati, mosasamala kanthu kuti ndi phokoso lanji lomwe lidzalowetsedwa ndi short-circuit yamagetsi, palibe voltage yosokoneza yomwe idzakhazikitsidwe mumzere. , Dalaivala wa AC servo system yokha ndi gwero lamphamvu la kusokoneza, imatha kusokoneza zida zina kudzera mumagetsi.
Dongosolo Lowongolera Kuyenda
Zitatu, njira zopewera kusokoneza
1. Kapangidwe ka makina opangira magetsi koletsa kusokoneza
(1) Ikani magetsi m'magulu, mwachitsanzo, siyanitsani mphamvu yoyendetsera injini ndi mphamvu yowongolera kuti mupewe kusokonezana pakati pa zipangizo.
(2) Kugwiritsa ntchito zosefera za phokoso kungathenso kuletsa kusokoneza kwa ma AC servo drives ku zida zina. Njira imeneyi ingathe kuletsa bwino kusokoneza komwe kwatchulidwa pamwambapa.
(3) Chosinthira chodzipatula chagwiritsidwa ntchito. Poganizira kuti phokoso lapamwamba limadutsa mu chosinthira makamaka osati ndi kulumikizana kwa ma coil oyambira ndi achiwiri, koma ndi kulumikizana kwa ma capacitance oyambira ndi achiwiri, mbali zoyambira ndi zachiwiri za chosinthira chodzipatula zimalekanitsidwa ndi zigawo zotchingira kuti zichepetse mphamvu yawo yogawa kuti ziwongolere kuthekera kokana kusokonezedwa kwa njira yodziwika bwino.
2. Kapangidwe koletsa kusokoneza njira yotumizira ma signal
(1) Njira zodzipatula zolumikizirana ndi Photoelectric
Pakutumiza uthenga wautali, kugwiritsa ntchito ma photocouplers kungachepetse kulumikizana pakati pa makina owongolera ndi njira yolowera, njira yotulutsira, ndi njira zolowera ndi zotulutsira za servo drive. Ngati kusungulumwa kwa photoelectric sikugwiritsidwa ntchito mu dera, chizindikiro chakunja chosokoneza chidzalowa mu dongosolo kapena kulowa mwachindunji mu chipangizo cha servo drive, zomwe zimayambitsa vuto loyamba losokoneza.
Ubwino waukulu wa kulumikizana kwa photoelectric ndikuti imatha kuletsa bwino ma spikes ndi kusokoneza kwa phokoso kosiyanasiyana,
Chifukwa chake, chiŵerengero cha chizindikiro-kwa-phokoso mu njira yotumizira chizindikirocho chawonjezeka kwambiri. Chifukwa chachikulu ndi ichi: Ngakhale kuti phokoso losokoneza lili ndi mphamvu yayikulu yamagetsi, mphamvu yake ndi yochepa ndipo imatha kupanga mphamvu yofooka yokha. Diode yotulutsa kuwala ya gawo lolowera la photocoupler imagwira ntchito pansi pa momwe magetsi alili, ndipo mphamvu yonse yoyendetsera magetsi ndi 10-15mA, kotero Ngakhale pali kusokoneza kwakukulu kwa mphamvu, imachepetsedwa chifukwa singapereke mphamvu yokwanira.
(2) Waya wopindika wotetezedwa ndi waya wautali
Chizindikirocho chidzakhudzidwa ndi zinthu zina monga mphamvu yamagetsi, mphamvu yamagetsi ndi kuletsa kwa nthaka panthawi yotumiza uthenga. Kugwiritsa ntchito waya woteteza pansi kungachepetse kusokoneza mphamvu yamagetsi.
Poyerekeza ndi chingwe cha coaxial, chingwe chopotoka chili ndi band yocheperako, koma chili ndi kukana kwa mafunde amphamvu komanso kukana mwamphamvu phokoso la common mode, zomwe zimatha kuthetsa kusokoneza kwa maginito amagetsi.
Kuphatikiza apo, potumiza mauthenga akutali, kutumiza mauthenga osiyanasiyana nthawi zambiri kumagwiritsidwa ntchito kuti kuwonjezere magwiridwe antchito oletsa kusokonezedwa. Kugwiritsa ntchito waya wopindika wotetezedwa potumiza mauthenga akutali kumatha kuletsa bwino zochitika zachiwiri, zachitatu, komanso zachinayi zosokoneza.
(3) Pansi
Kuyika pansi kumatha kuchotsa mphamvu yamagetsi ya phokoso yomwe imachitika pamene mphamvu yamagetsi ikuyenda kudzera mu waya wapansi. Kuwonjezera pa kulumikiza makina a servo ndi nthaka, waya woteteza chizindikiro uyeneranso kuyikidwa pansi kuti upewe kulowetsedwa kwa magetsi ndi kusokonezedwa kwa magetsi. Ngati sichinakhazikitsidwe bwino, vuto lachiwiri losokoneza lingachitike.
Nthawi yotumizira: Marichi-06-2021