Kodi ma stepper motors amachepetsedwa bwanji?

Stepper motorsndi zida zamagetsi zomwe zimasinthira mwachindunji mphamvu zamagetsi kukhala zoyenda zamakina. Poyang'anira ndondomeko, mafupipafupi ndi chiwerengero cha mphamvu zamagetsi zomwe zimagwiritsidwa ntchito pazitsulo zamagalimoto, ma stepper motors amatha kuwongoleredwa kuti ayendetse, kuthamanga ndi ngodya yozungulira. Popanda kuthandizidwa ndi njira yotsekera ndemanga yotseka ndi kuzindikira malo, malo enieni ndi kuwongolera liwiro kungathe kupezedwa pogwiritsa ntchito njira yosavuta, yotsika mtengo yotsegula yotsegula yomwe imakhala ndi stepper motor ndi dalaivala wotsagana naye.

Stepping motor ngati chinthu chachikulu, ndi chimodzi mwazinthu zazikulu zamakina, zomwe zimagwiritsidwa ntchito kwambiri pamakina osiyanasiyana owongolera makina. Ndi chitukuko chaukadaulo wa ma microelectronics komanso ukadaulo wopanga bwino, kufunikira kwa ma stepper motors kukuchulukirachulukira tsiku ndi tsiku, ndipo ma stepper motors ndi makina otumizira magiya ophatikizidwa ndi ma gearbox, komanso muzochitika zochulukira zogwiritsa ntchito kuti muwone, lero ndi aliyense kuti amvetsetse mtundu uwu wa makina otumizira ma gearbox.

Momwe mungachepetserestepper mota?

Monga galimoto yomwe imagwiritsidwa ntchito kwambiri komanso yogwiritsidwa ntchito kwambiri, stepper motor nthawi zambiri imagwiritsidwa ntchito limodzi ndi zida za deceleration kuti akwaniritse njira yabwino yotumizira; ndi zida zochepetsera zomwe zimagwiritsidwa ntchito nthawi zambiri ndi njira zamagalimoto otsika ndi monga ma gearbox otsitsa, ma encoder, owongolera, ma pulse sign ndi zina zotero.

Kutsika kwa siginecha ya Pulse: kuthamanga kwa ma stepper motor, kutengera kusintha kwa ma pulse kuti asinthe. Mwachidziwitso, perekani dalaivala kugunda, ndistepper motaimazungulira ngodya ya sitepe (yogawika kwa gawo logawanika). Pochita, ngati kugunda chizindikiro kusintha mofulumira kwambiri, ndi stepper galimoto, chifukwa damping zotsatira za mkati n'zosiyana electromotive mphamvu, ndi maginito anachita pakati rotor ndi stator sangathe kutsatira kusintha kwa chizindikiro magetsi, zomwe zidzatsogolera kutsekereza ndi sitepe imfa.

Kuchepetsa kutsika kwa bokosi la gear: stepper motor yokhala ndi bokosi la giya yochepetsera yomwe imagwiritsidwa ntchito palimodzi, stepper motor imatulutsa kuthamanga kwambiri, kuthamanga kwa torque yotsika, yolumikizidwa ndi bokosi la giya lochepetsera, magiya amkati ochepetsera ma giya opangidwa ndi chiŵerengero chochepetsera, kutulutsa kwagalimoto yotsika kwambiri, ndikuwonjezera makokedwe otumizira, kuti akwaniritse njira yabwino yotumizira; deceleration zotsatira zimatengera chiŵerengero chochepetsera bokosi la gear, kuchuluka kwa kuchepetsa, kucheperachepera kwa liwiro lotulutsa, ndi mosemphanitsa. Zotsatira za kutsika zimatengera kuchuluka kwa ma gearbox, kukulitsa kuchuluka kwa kuchepetsa, kutsika kwa liwiro lotulutsa komanso mosemphanitsa.

Kuthamanga kwa curve exponential control: curve exponential, mu pulogalamu yamapulogalamu, kuwerengera koyamba kwa nthawi yosungidwa mu kukumbukira kwa kompyuta, ntchito yoloza kusankha. Nthawi zambiri, mathamangitsidwe ndi deceleration nthawi kumaliza stepper galimoto ndi kuposa 300ms. Ngati mumagwiritsa ntchito mathamangitsidwe amfupi kwambiri ndi nthawi yochepetsera, kwa ambirima stepper motors, zidzakhala zovuta kukwaniritsa kusinthasintha kothamanga kwa stepper motor.

Kutsika koyendetsedwa ndi encoder: Kuwongolera kwa PID, ngati njira yosavuta komanso yothandiza yowongolera, kwagwiritsidwa ntchito kwambiri pakuyendetsa ma stepper motor. Zimachokera ku mtengo woperekedwa r (t) ndipo mtengo weniweni wotuluka c (t) umapanga kupotoka kolamulira e (t), kupatukana kwa chiwerengero, chophatikizika ndi chosiyana kupyolera mu kuphatikizika kwa mzere wa kuchuluka kwa kulamulira, kulamulira kwa chinthu cholamulidwa. Integrated position sensor imagwiritsidwa ntchito pagawo lachiwiri la hybrid stepper motor, ndipo chowongolera chowongolera cha PI chimapangidwa pamaziko a chowunikira komanso kuwongolera vekitala, chomwe chingapereke mawonekedwe osangalatsa osakhalitsa pansi pamikhalidwe yosinthira. Malingana ndi chitsanzo cha masamu a stepper motor, PID control system ya stepper motor imapangidwa, ndipo PID control algorithm imagwiritsidwa ntchito kuti ipeze kuchuluka kwa kayendetsedwe kake, kuti iwononge galimoto kuti ipite kumalo omwe atchulidwa.

Pomaliza, kuwongolera kumatsimikiziridwa ndi kuyerekezera kukhala ndi mawonekedwe abwino oyankha. Kugwiritsiridwa ntchito kwa wolamulira wa PID kuli ndi ubwino wa kapangidwe kosavuta, kulimba, kudalirika ndi zina zotero, koma sikungathe kulimbana ndi chidziwitso chosadziwika bwino mu dongosolo.