Ngaohiko iti dc servo motopaika tere
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Ngaohiko iti dc servo motopaika tere

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

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Te ngaohiko iti dc servo motor servo motor servo mana tere, he maha nga korero ko ia he whakaihiihi brushless dc motini tere tere, e ai ki te whakataurite tere motika dc, te tere n = (U - te ngaohiko armatureInternal impedance ngaohiko ngaohiko ia * Ra)÷(Constant Ce * rangi-gap flux & Phi; ) No te mea he iti rawa te parenga armature Ra ≈ * 0, he iti rawa te ngaohiko o te ringa U)÷(Te Tonu Ce * te rere o te hau-aputa & Phi; )I te mea kei roto i te rere o te aputa hau & Phi; Haumaru, whakatika i te ngaohiko armature U, ka taea te whakatika i te tere motuka dc n; Ranei i roto i te ngaohiko armature U haumaru whakarite te rere rangi-aputa & Phi; , Ka taea e te taua te whakatika i te tere o te motini n, ko te mea o mua e kiia ana ko te mana taipana tonu, e kiia ana ko te ture tere mana tonu. Puka taipana tamau, ki te piri ki te rere aputa rangi & Phi; Haumaru, dc nekeneke stator me rotor autō mara he tikanga orthogonal, e kore e pā tetahi ki tetahi. Tohe ki & Phi; Haumaru, i te mea ko te taurangi ka noho haumaru te wa o te porowhita whakakorikori ki te uara. I roto i te ariā ki te puna o nāianei tonu ki te whakahaere excitation pōkai nāianei he āhua tino, engari no te mea o te puna o nāianei he kino, me te tikanga ki te pōkai excitation tono ngaohiko ki te uara haumaru, hoki e taea te tata kia mara nāianei, kia te rere o te rangi āputa & Phi; Haumaru. Mēnā ko te aukume pūmau dc servo motor, me ngā aukume pūmau hei whakakapi i te pōkai whakakorikori, he haumaru te rere aukume tuturu, no reira kaua e mau te ngakau. Whakatikatika noa i te ngaohiko, kaore i te makona ki te kaha o te kawenga, na reira ko te whakaurunga o te punaha whakahaere tere cascade, me te whakamatautau i te motuka o naianei me te tere hurihuri, mawehe atu i te riipene o roto o naianei me te mowhiti mowhiti mowhiti tere, te whakamahi i te PID algorithm, he pai te makona i te tere o te kawe i te keehi o te keehi, kia tino nui te whakahaere i nga waahanga whakahaere tere motika dc; Hard & puta noa; , ara, e kore e whakangaueuetia te tere hurihuri o te taipana teitei, ka oti te whakaputanga taipana tuturu. Ko tenei momo tikanga whakahaere, ko te punaha whakahaere tere korero i whakatauirahia ki tera taha, mo te kaitahuri huringa mana vector, kua whakatauirahia ki tenei tikanga. Mena ko te mowhiti o roto anake o naianei, ka taea e koe te whakahaere tika i te putanga taipana motuka, me te rereke o nga whakaritenga mana me te piko. Ko te mana ngaohiko Armature i roto i te thyristor me te IGBT kaore enei i hangaia i mua, ki te whakahaere hoki ehara i te mahi ngawari, i muri i nga mea katoa, he nui ake te mana, ko te moata na roto i te generator, te mana dc ki te whakahaere i muri i te whakatikatika i te kaiwhakaputa o te rere ka taea te whakahaere i te ngaohiko whakaputa whakaputa, kia rite ki te whakatika i te awhe ngaohiko armature. I roto i te thyristor SCR e hanga i roto i te heke mai, i muri i te kōrero mo te thyristor ki te ngaohiko tāuru, te whakamahi i te wāhanga nekehanga keu pūkenga whakahaere thyristor kawe Koki, ka taea te kōrero rectifier hiko ki roto i te paheketanga dc, no te mea te nekeneke dc he nui te kawenga inductive, pulsating tika nāianei ka nui inductance buffer noho ki raro. Ka taea te whakatika i te ngaohiko dc, me te rahinga o te koki kawe thyristor ki roto. He tino maamaa tenei pukenga tere, i muri mai i te rautau kua hipa kua whakamahia whanuitia ki te ahumahi. Ko etahi atu ngongo paanga mara me te taputapu IGBT ka puta i te wa kei te heke mai, penei i te iti o te ngaohiko dc servo motopaika tere ka kaha ake te mahi, kia taea ai te whakamahi i te tapatapahi PWM, kia tino haumaru te ngaohiko dc putanga, no reira he iti rawa te wiri o te motopaika dc, mena ka roa te rotor o te motuka, te waa o te inertia o te iti, ka taea hoki te whakahaere i te tuunga o te dc, ka taea hoki te whakaoti i te tuunga dc. pūnaha servo. Ko te tikanga e kiia nei ko te tere aukume ngoikore, te tikanga whakahaere tere, ko te tikanga he momo rongoa, ko te nuinga i etahi wa, ka tono kia nui ake te tere tere, hei tauira, etahi o nga moenga roa, he tino puhoi te tono mo te wa tukatuka motuka, kia nui te taipana; Na ka hoki mai i te wa e whakahaweatia ana te taipana ki te rere tere, i tenei wa whangai ki te puka tere taipana tonu, me te hoki ki te wa ki te tikanga whakahaere tere autō ngoikore, te nekeneke i roto i te mana mōrahi he tonu. Ano hoki etahi waka hiko, iti tere ki runga puke ki te rere āta, i roto i te taipana tono nui, iti ātete, ara papatahi, me te hiahia ki te rere tino nohopuku, tenei wa hoki me whakamahi tonu te mana tere ture, rite ki te nekehanga mīhini tuku iho tikanga ōwehenga ki te tere. Ko te tikanga ngoikore te mana tere aukume, kaore e pai mo te motuka aukume pumau, na reira ka rere & Phi; Kaore e taea te whakahaere anake. Ki te aukumetanga ngoikore, he tika whakaiti i te rere aputa rangi & Phi; Intrusive, i tenei wa ka taea te whakaheke i te hiko o te wa, i te nuinga o te waa ki te whakamahi i te thyristor excitation coil, te ngongo paanga parae ranei enei ki te mahi i tetahi putanga whakatikatika PI he puna o naianei hei whakaoti. He ngoikore te tere autō, te teitei o te tere motopaika, he iti ake te taipana whakaputa nekeneke, ko te tono kei te tiaki i tera, me te nuinga o te waa kaore he mutunga ka heke iho, ka taea te mahi i roto i te 90% o te taapiri whakaongaonga.

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