Ngaru-ngaru-ngaru-kore motika mana whakahaere motika me nga waahanga whakatinanatanga
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Ngaru-ngaru-ngaru-kore motika mana whakahaere motika me nga waahanga whakatinanatanga

Tirohanga: 0     Kaituhi: Kaiwhakatika Pae Wā Whakaputa: 2020-11-12 Takenga: Pae

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Ngaru tapawha brushless motini mana whakahaere me nga mahi whakatinana

a. Ko te ariā whakahaere ngaru tapawha i runga i

te mana ngaru tapawha e kiia ana ko te mana whakahaere ngaru e ono, i roto i te huringa hiko, e ono noa nga ahua o te motuka, e ono nga momo ahua o te stator o naianei (E ono nga momo o te ahua o te whakawhiti i nga ringa piriti toru-waahanga). tukutahi nekeneke hurihanga rotor. I roto i te mana ngaru tapawha, te nuinga ki te whakahaere i rua rahinga, kotahi ko te tūranga rotor nekeneke e hāngai ana ki te āhua o te tuwhera ngongo, he Hall, Hall mōhiohio ki te whiwhi i te tūnga rotor, kahore he pūoko, brushless nekeneke i te counter electromotive mōhiohio kaha ki te whiwhi i te tūnga rotor, ko te kupu whakatau ki te whakatuwhera ahua ngongo; Ko te tuarua ko te whakahaere huringa mahi PWM, ma te whakahaere i te tauwehenga mahi hei whakahaere i te rahi o te rahi o naianei, kia pai ai te whakahaere i te taipana me te tere.
2. Ngaru tapawha algorithm whakatinana taahiraa


Hall mana ngaru tapawha:

1. Pānuihia te uara AD o te whakatauira o naianei busbar, te tatau o te busbar o naianei

2. Ko te tatauranga o naianei me hoatu te huringa mahi PWM, te whakahaere i te rahi o naianei mo te naianei kua homai

3. Panui te whare, kia rite ki te ahua o te hononga o te whare me te piriti toru-waahanga ringa piriti tuwhera ngongo ngongo me te tiki i te ahua o te wa e toru nga wa o te piriti o te wa e tuwhera ana. (E mohiotia ana ano ko te waahi whakawhiti)。

4. Hall i waenganui i te rängai käwanatanga tata mo te kotahi 6 o te huringa hiko, ko te 60 & deg; Whakamahi matawā taea tuhi & 60 deg; Te wa wahanga, na reira ka tatauhia te auau o naianei, ka whiwhi te tere motopaika.

5. Ki te koropiko o nāianei rite te mowhiti i roto, te koropiko tere rite te mowhiti o waho, nekeneke mana kati-koropiko, pērā i Hall tapawha mana ngaru hoahoa poraka. Mo te whakahaere ngaru tapawha Hall, ka tiimata te motuka, ka mohio ki te tuunga rotor motopaika, ma te whakamahi tika i te taipana vector ahua o Hall ki te toia, ka taea te tiimata i te motuka, ka taea te uru ki roto i te mana katia.

3. Mana ngaru tapawha BEMF:

1. Panuitia te uara AD o te whakatauira o naianei busbar, te tataunga o te ia busbar.

2. Ko te tatauranga o naianei me hoatu te huringa mahi PWM, te whakahaere i te rahi o naianei mo te naianei kua homai

3. Kia mau tonu te ahua o te ngongo tuwhera (E pupuri ana i te ahunga vector aronga), te tuunga, katahi ka rite ki etahi huringa auau tuwhera ahua ngongo, me te rite ki te ture o te huringa o te auau. Hei huri i te auau hiko, katahi ka huri ki te tauira toi hiko hiko. 4. Ka haukotia te taima ki te panui me te ahua o te whakaputanga o te wa e whakatairite ana i te waa, mena ka huri te taumata whakaputa o te wahanga whakatairite, e whakaatu ana i te rerekee o te kaha hiko hiko i puta kore, i tenei wa, ko te taima taima taima D tatau uara, tiakina, katahi ka whakawātea i te matawā D, D me te whirihora i te matawā whakatairite rehita 0 uara whakatairite, ka timata te taima matawā tuwhera D, tae noa ki te PWMD0 ka kitea te haukoti me te kore o te ngongo. deg;

Koki Hiko me te whakawhiti.

5. Ki te koropiko o nāianei rite te mowhiti o roto, te koropiko tere rite te mowhiti o waho, nekeneke kati-koropiko mana, mo BEMF mana ngaru tapawha, tīmata te nekeneke, e kore e mohio ki te tūnga rotor nekeneke, na me ki te whakamahi i te nekeneke tīmata tukutahi, stator nāianei rite ki te rahi homai me te auau puku nekeneke rotor, a ka te nekeneke ki te whakatutuki i te auau whakawhiti, ka taea te huri ki te aukati i te motuka hiko, te whakahaere tere me te whakahaere o naianei.

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