Ko te motuka me te mana DSP he ahunga whanaketanga nui
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Ko te motuka me te mana DSP he ahunga whanaketanga nui

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

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Ko te tuuru niho motika hiko kupenga te kowhiri i te whenua onge whenua aukume tuturu korepu dc motopaika puku, kua tere te whanake o tenei punaha i roto i nga tau tata nei i runga i te motini BLDC me te hangarau mana DSP, ka kowhiria he kaiwhakahaere DSP kia eke ki te rua onge whenua aukume tuturu brushless dc motopaika mana whakahaere, he iti te utu me te mahi nui. Rare whenua aukume motika brushless pūmau ki te kakama tiketike, mahi pai, hanga poto poto, tohanga wera, haruru iti me te pera i runga i ngā āhuatanga, te whakatutuki i te ahumahi hauora, nga whakaritenga motuhake o nga āhuatanga katoa o te taputapu hauora. A, i roto i te whenua onge whenua aukume brushless motopaika peia raina puku kopa whakakapinga paraihe nekeneke whakahaere whakahaere me te kotahi-wahanga ac asynchronous whakahaere nekeneke peia, he tikanga pāpori nui, me te anga mākete whanui. Te tuuru niho hiko me nga nekehanga e rua o te waatea, te pura me te hiki. Ko te punaha servo, e rua onge whenua aukume tuturu brushless dc nekeneke hei waahanga matua, te whakahaere nekehanga mo nga nekehanga e rua o te herekore, i peia. Ko te waahanga whakahaere motuka anake ka whiriwhiri i te DSP (Tukatukatuka tohu Mamati) Chip TMS320LF2407A te mana whakahaere katoa o nga motuka korepu e rua, kia tino whakamahi i nga rauemi DSP i runga i te maramara, i runga i te whakauru PWM ka kowhirihia e nga motuka e rua te tuku DSP, te whakakore i te maramara arorau, te whakapai ake i te pono o te punaha. Na roto i te maramara SPI rangatū maramara papamuri whakaroa, whiriwhiria te FRAM (Nonvolatile memory)Me nga mahi tiaki hiko, oti ki te kati i te takotoranga o te mana hiko ki te tuuru hiko. Ko te mana nekeneke atu he 55 w, te ngaohiko taapiri 24 V, te ahuatanga mahi mo te mahi mo te wa poto, te tere atu 1800 RPM, te huarahi whakamahere kia rite ki te mahere ngaru tapawha, 12 mokamoka mokamoka mo nga takirua takirua. Taaka mo te riu powhiriwhiri trapezoidal, ara awhiowhio mo te whetu toru-waahanga e ono nga tikanga, ko te reeti katoa o te tank he 52%, ko te rotor aukume maitai herea te ndfeb, te aukuti radial. Ko nga tawhā taipitopito e whai ake nei: te maitai autō Br> 6000 gs, Hc>5000Oe, [BH)max>8毫克。 Oe,Hjc>10000Oe。 Ko te tātari huānga mutunga, te mahi hiko hiko taipana hiko o 0. 2394 n·m·MMS 3 Tiaki Tiaki Tira Tira Tiaki Tiaki Tiaki Tiaki Tira2, T4 T4. me whakamatau te waeine mana rangatira ki te whakamatautau i te tohu motika o naianei me te tohu tuunga rotor, me te tuku pereti pereti me te tohu puku PWM ono-ara, na te mana o te motini dc brushless, me 6 putanga PWM, te hurihanga ADC katoa, e toru nga waahanga hopu. Mo te microprocessor TMS320LF2407A, na te mea e rua ana mea kaiwhakahaere (EVA me EVB), e toru nga mea a te kaiwhakahaere ki te hopu wae me te whakaputa huarahi PWM 6, no reira ka taea e te maramara te tuku tika mo nga tohu mana motopaika dc brushless e rua. Mo etahi atu maangai mana whakahaere maramara iahiko peripheral, engari he nui tona mahara tono, no reira, e pa ana ki te taputapu, kia oti i runga i te tirohanga o te mana ngawari o te motuka, e aro ana ki te rorohiko. Ko te hononga o te punaha whakahaere puku o te ara iahiko taraiwa motuka ka kowhiri i te hanganga piriti katoa, tae atu ki nga taputapu hiko e ono, te whakahaere, te whakarereketanga o te ngaohiko motuka me te ngaru o naianei. Ma te whakamahi i te TMS320LF2407A kei roto e wha motuhake 16 matawā whānui, e ono katoa ngaohiko nekeneke PWM whakatairite whakarerekētanga. TMS320LF2407A kua whakauruhia te rohe mate ka taea te whakahoahoa, tetahi o nga kaiwhakarite e ono me te taima whanui, te wae mana rohe mate ka whakamahia ki te whakaeke i te rohe mate ka taea te papatono me te polarity putanga o te putanga PWM. Te tapeke 12 rori PWM putanga. Ka taea te whakamahi i nga putanga e ono ki te whakahaere i nga motika dc brushless, te mana DSP o nga motuka e rua. Whiriwhiria te ngongo hiko IRF540, ko nga taputapu te ngaohiko whakahaere teitei o te 100 v, ko te 28 o naianei he mahi nui rawa atu, ko te kaha o te kaha 150 w te ngaro, ka tutuki katoa nga whakaritenga o te mana o te punaha; Rere-wira diode D1 ~ D6 whiriwhiri tere whakahoki ngohe; Pūnga pūnga C1 ~ C3 ki te mimiti i te ngaohiko tihi i runga i te pahi dc, pahi ki te karo tiketike rawa ngaohiko ngaohiko hiko ngongo; Ātete R2 ki te kite i te motini o naianei i runga i te pahi dc, karohia te motopaika mo te kore o naianei, te tohu o naianei Isence ma te tukatuka i te taumata whakauru ki mua o te mana o te piriti i muri i te taraiwa o te maramara me te DSP tukatuka, i te wa e tohu ana te tohu taraiwa o te kuaha aukati i te wa. Power ngongo o te taumata i mua i te taraiwa me te whakamahi o te IR kamupene motopaika maramara taraiwa IR2130, te taraiwa chipset, rohe mate, over-naianei mahi tiaki me te whakauru, pērā i te whakamahi i te mana supply kotahi e taea te whakaoti i te puku o ono ngongo mana, ina he tino watea te whakamahi, rawa e tika ana mo te puku mana iti. Ko nga raupaparorohiko i runga i te ahua o te mahi, ka wehewehea te rorohiko ki nga waahanga matua e whai ake nei: te kaupapa arataki, te waahanga kaupapa matua,_c_int0), te waahanga tuatahi o te EVA, EVA_INIT)Ko te whakaurunga, te waahanga EVB (EVB_INIT); Kōwae whakarewa motika: He kōwae whakarewa (MOTORA_START)Ko te kōwae whakarewa motika (BMOTORB_START); Te kōwae whakamuri: nekeneke whakamuri He kōwae (COMMUTATION_A)B, nekeneke kōwae whakawhiti (COMMUTATION_B); He kōwae hopu tohu hōro hōro: kōwae hopu tohu motini (CAPIN_A)B kōwae hopu tohu hōrore, nekeneke (CAPIN_B); He kōwae tātari papapātuhi tāuru papapātuhi: kōwae tātari motini (KEY_ANALYSE_A)B tāuru papapātuhi, kōwae tātari motini (KEY_ANALYSE_B); Ko te kōwae PID (_PID), e mau ana i te kōwae mahara (REM) . Ko te tinana matua o te raupaparorohiko te kowhiri i te nuinga o te hanganga o te raupapatanga o te miihini, te hopu tohu o te whare me te kowhiringa o te PID hei whakahaere tikanga whakatārewatanga. Arawhitinga Pūnaha o DSP rehita pūnaha, tauranga I/O, me te huinga o te pūnaha whakatārewatanga, e rua o te huru rere nekeneke whiwhi i te kōwae tātari, papapātuhi rite ki te āhuatanga, whakarewahia nekeneke taumira kei te mahi, ka mutu ranei. Ko te ahua o te mahi motuka na te taurangi o te ao RUN_STATE_A me te RUN_STATE_B i whakaatu ko te 088 h i whakaatu ko te motini e rere ana, ko te 00 h e tohu ana ko te motini hiko, 0 FFH e tohu ana ka mutu te motuka. Onge whenua aukume pūmau brushless dc nekeneke ki DSP mana hangarau, Ko te ahunga whanaketanga nui o te motini brushless.

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