Mukushanda kwakajairika, thestepper motorinofambisa kona yenhanho imwe, kureva nhanho imwe kuenda mberi, kune yega yega tsinga inotambirwa. Kana mapurusi ekudzora achiiswa nguva dzose, mota inotenderera ichienderera zvinoenderana. Kutsika mota kunze kwenhanho kunosanganisira kurasika nhanho uye overstep. Kana danho racho rakarasika, nhamba yematanho anofambiswa ne rotor ishoma kudarika nhamba yemapulses; kana danho richiyambuka, nhamba yematanho anofambiswa ne rotor yakawanda kupfuura nhamba yemapulses. Huwandu hwenhanho dzenhanho imwe yakarasika uye kudarika inoenzana nenhamba yakawanda yenhamba yekumhanya kwemabhiti. Kurasikirwa kwenhanho kwakakomba kuchaita kuti rotor irambe iri panzvimbo imwe kana kudedera ichitenderedza nzvimbo imwe, uye nhanho yakakomba inodarika ichaita kuti mota iwedzere.
Kurasikirwa kwenhanho chikonzero uye zano
(1) Kukwidziridzwa kwe rotor kunonoka pane inotenderera magineti yestepper motor
Tsanangudzo:
Kana kukwidziridzwa kwe rotor kunonoka pane inotenderera magineti yeinotsika mota, kureva, yakaderera pane nhanho yekuchinja kwechikamu, mota inotsika inoburitsa kunze-kwe-nhanho. Izvi zvinokonzerwa nekusakwana kwesimba rekuisa kune mota uye iyo synchronizing torque inogadzirwa mune inotsika mota haibvumire iyo rotor kumhanya kutevedzera kutenderera kumhanya kweiyo stator magineti, nekudaro ichikonzera kunze-kwenhanho. Sezvo iyo ine simba yekubuda torque yeinotsika mota ichidzikira sezvo kuwanda kwekuenderera kwekushanda kuchikwira, chero frequency yekushanda yakakwira kupfuura iyo inoburitsa nhanho yakarasika. Uku kurasikirwa kwenhanho kunoratidza kuti iyo stepper mota haina torque yakakwana uye haina kukwana kwekudhonza.
Solution:
a. Ita kuti iyo electromagnetic torque inogadzirwa neinotsika mota pachayo iwedzere. Izvi zvinogona kunge zviri muhuwandu hwemazuva ano kuti uwedzere kutyaira ikozvino; mu-high-frequency range ye torque haina kukwana, unogona kuvandudza dhiraivha yekutyaira yedunhu rekutyaira; chinja kushandisa torque hombe yekutsika mota, nezvimwewo b, zvekuti mota yekutsika inoda kukunda torque inoderedzwa. Izvi zvinogona kuitwa nekudzikisira zvakakodzera iyo mota inoshanda frequency kuitira kuti iwedzere inobuda torque yemota; kuisa nguva yakareba yekukurumidza kuitira kuti rotor iwane simba rakakwana.
(2) Avhareji yekumhanya ye rotor yakakwirira kupfuura avhareji yekutenderera kumhanya kweiyo stator magnetic field
Tsanangudzo:
Avhareji yekumhanya ye rotor yakakwira kupfuura avhareji yekutenderera kumhanya kweiyo stator magineti, kana stator ichinge yasimba uye nekunakidzwa kwenguva yakareba kupfuura iyo nguva inodiwa kuti rotor ienderere mberi, ipapo rotor inowana simba rakawandisa panguva yekutsika, izvo zvinoita kuti torque inobuda inoburitswa neinotsika mota iwedzere, nokudaro ichiita kuti mota ipfuure. Kana iyo mota yekutsika ichishandiswa kutyaira iyo nzira dzinoita kuti mutoro uende kumusoro nekudzika, inowanzo gadzira chiitiko chekupfuura, izvo zvinokonzerwa nekuti torque inodiwa nemotor inodzikira kana mutoro uchidzika pasi.
Solution:
Deredza dhiraivha ikozvino yeinotsika mota kuitira kudzikisa inobuda torque yeinotsika mota.
(3) Inertia yekutsika motanomutoro wainotakura
Tsanangudzo:
Nekuda kweiyo inertia yeinotsika mota pachayo uye mutoro wainotakura, mota haigone kutangwa uye kumiswa pakarepo panguva yekushanda, asi nhanho yakarasika inoitika panguva yekutanga uye kuwedzeredza kunoitika panguva yekumira.
Solution:
Kuburikidza nekumhanyisa uye kudzikamisa maitiro, kureva kutanga nekumhanya kwakaderera, wozosimudzira zvishoma nezvishoma kune imwe spidhi oparesheni, uyezve zvishoma nezvishoma uchidzikira kusvika wamira. Inonzwisisika uye yakatsetseka kukwidziridza uye kudzikisira kudzora ndiyo kiyi yekuona yakavimbika, inoshanda uye nemazvo kushanda kweiyo stepper drive system.
(4) Resonance yeinotsika mota
Tsanangudzo:
Resonance zvakare chikonzero chekubuda-kwenhanho. Kana iyo stepper mota iri kuenderera mberi kushanda, kana iyo frequency yekudzora pulse yakaenzana neyemukati frequency yeiyo stepper mota, resonance ichaitika. Mukati meimwe yekudzora pulse nguva, iyo vibration haina kudzikisirwa zvakakwana, uye iyo inotevera pulse inouya, nekudaro kukanganisa kwesimba padhuze resonance frequency ndiyo hombe uye ichaita kuti stepper mota irasikirwe nhanho.
Solution:
Zvakakodzera kuderedza dhiraivha ikozvino yeanotsika mota; shandisa subdivision drive method; shandisa nzira dzekunyorovesa, kusanganisira mechanical damping method. Idzi dzese nzira dziri pamusoro dzinogona kubvisa zvinobudirira mota oscillation uye kudzivirira chiitiko chekunze-kwenhanho.
(5) Kurasikirwa netsinga kana uchichinja nzira
Tsanangudzo:
Inoratidzwa kuti yakarurama munzira ipi neipi, asi inounganidza kutsauka nokukurumidza apo nhungamiro inongochinjwa, uye nguva yakawanda yainochinjwa, ndipo painotsauka zvikuru.
Solution:
General stepper drive pane kutungamira uye pulse masaini ane zvimwe zvinodikanwa, senge: kutungamira kwechiratidzo mukutanga kupuruzira pamwe nekukwira kumucheto kana kudonha kumucheto (zvakasiyana dhiraivha zvinodiwa hazvina kufanana) isati yasvika mashoma mamicroseconds kuti atemerwe, zvikasadaro pachave nekupomba kwekona yekushanda uye kudiwa chaiko kutendeukira kune yakapesana, uye pakupedzisira kunenge kudiki kunoratidza. kuparara kunonyanya kutaurwa, mhinduro yacho inonyanya kushandiswa mu-software kushandura pfungwa yekutumira pulse Mhinduro yacho inonyanya kushandisa software kushandura pfungwa yekutumira pulses kana kuwedzera kunonoka.
(6) Kukanganisa kweSoftware
Tsanangudzo:
Kudzora maitiro anotungamira kune yakarasika nhanho haisi yakajairika, inoda kutarisa chirongwa chekudzora haisi dambudziko.
Solution:
Haikwanise kuwana chikonzero chedambudziko kwechinguva, kune zvakare mainjiniya anozorega mota inotsika ichimhanya kwenguva yakati rebei kutsvaga kwakabva kumba.
Nguva yekutumira: Mar-19-2024