H piriti taraiwa ara iahiko me te motini stepper AB wahanga iahiko hononga awhiowhio
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H piriti taraiwa ara iahiko me te motini stepper AB wahanga iahiko hononga awhiowhio

Tirohanga: 0     Kaituhi: Kaiwhakatika Pae Wā Whakaputa: 2020-12-09 Takenga: Pae

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H bridge power drive circuit can be applied to the stepping motor, ac motor, dc motor driver, etc. Permanent aukume stepper motor or hybrid stepping motor excitation awhiowhio me i roto i rua polarity power supply, e ko ki te mea, awhiowhio te tahi mau taime me ki te whakamua nāianei, i ētahi wā me huri te nāianei, te awhiowhio H piriti taraiwa mana supply. I runga i te rua-waahanga ranu taraiwa hiko hikoi hei tauira ki te hoahoa i te ara iahiko taraiwa H piriti. E wha nga huringa K1 me te K4, K2 me te K3 tohu mana. A, b, ka mutu te tohu mana ki te whakawhiti K1, K4 ka kati, K2, K3, ka whakaatuhia te rere o naianei i roto i te porowhita i te ahua 1 (a), ka momotu te tohu mana ki te whakawhiti K2, K3, K1, K4, ka whakaatuhia te rere o naianei i roto i te porowhita ki te ahua 1 (b) Kei raro nei. E wha nga diode VD1, VD2, VD3, VD4 fly-wheel diode, ko ta raatau mahi: i te wa e whakahaerehia ana te K1, K4 ma te kati ki te whakatuwheratanga, na te mea kaore e taea e te awhiowhio o naianei te whakarereke i runga i te AB, me rite tonu ki te ahunga taketake o te rere o naianei, Ko te A me te B), i tenei wa na VD3, VD2 hei whakarato ara iahiko. Na reira, te K1 o nāianei, K4 tutakina atu momeniti i te whenua - VD3 - pōkai awhiowhio AB - VD2 - mana + v puka koropiko o nāianei. Waihoki, i roto i te ahua 1 (b) Ka tutakina te whakakā K2, K3 momeniti, e te diode VD4, VD1 whakarato pōkai awhiowhio awa, koropiko o nāianei ki te BA - VD4 - pōkai awhiowhio - VD1 - mana + v. Stepper nekeneke peia, ite i te mahi o te wāhanga whakakā i roto i te ara iahiko mahi tango mana MOSFET ngongo. H piriti i stepper nekeneke puku iahiko, te rere o nāianei i roto i te awhiowhio e rua tino ritenga. Ko te whakatairanga i te taumata arorau tohu kia kore e taea e te transistor hauroki te kawe i te wa ano, kei puta tika te paipa pehanga teitei me te iti. I tua atu, ko te awhiowhio a te motuka hiko he kawenga inductive, ka te hiko, me te piki o te auau whakahaere nekeneke, me te wa whakawhiti tonu, he maha nga wa e huri ai te awhiowhio me te kore e whai wa ki te eke ki te uara o te ahua ka tapahia, ka heke te waa toharite, te taipana putanga, teitei ka aukati te tere o te taraiwa i roto i te waa e tika ana ka aukati, ka puta ranei nga ahuatanga o waho. Ko te taraiwa motuka stepper, na, hei taapiri atu ki te hoahoa o te motuka kia taea ai te whakaiti i te inductance awhiowhio, me te tango i nga mehua o te mana taraiwa, ara te whakapai ake i te mua me te tuara i te taha o te rōnaki o te wahanga whakahaere o naianei kia pai ake ai te mahi o te motuka e rere ana. Ko te koha o te motuka hiko he whakaputanga auau teitei, he iti-auau oscillation, te mahi o te motuka hiko, hei taapiri i nga mahi a te motuka taraiwa ko te mana taraiwa ka pa tika ki nga ahuatanga o te motuka. Hei whakapai ake i nga ahuatanga o te hikoi hikoi, me whakapai ake i te ngaohiko hiko.
ko nga hua matua: te motini hiko, te motika paraihe, te motika servo, te motika hiko, te motini parai, te motini raina me etahi atu momo tauira o te motuka hiko, nau mai ki te patai. Waea:


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