Ukushaya kwenhliziyo okuphambene kufanele kube yi-pulse ephuthelwe akuhambi endaweni ecacisiwe. Ukushaya okweqile kufanele kube okuphambene nokuphuma kwesinyathelo, kudlulele ngale kwendawo ecacisiwe.
Ama-stepper motorszivame ukusetshenziswa ezinhlelweni zokulawula ukunyakaza lapho ukulawula kulula khona noma lapho kudingeka khona izindleko eziphansi. Inzuzo enkulu ukuthi isikhundla kanye nesivinini kulawulwa ngendlela evulekile. Kodwa ngoba nje kungukulawula okuvulekile, isikhundla somthwalo asinampendulo ku-loop yokulawula, futhi imoto ye-stepper kumele iphendule kahle ekushintsheni ngakunye kokuvuselela. Uma imvamisa yokuvuselela ingakhethwanga kahle, imoto ye-stepper ngeke ikwazi ukuthuthela endaweni entsha. Indawo yangempela yomthwalo ibonakala inephutha elingapheli maqondana nendawo elindelwe yisilawuli, okungukuthi, into engaphandle kwesinyathelo noma ukuqhuma ngokweqile kuyacatshangwa. Ngakho-ke, ohlelweni lokulawula oluvulekile lwe-stepper motor, indlela yokuvimbela ukulahleka kwesinyathelo nokuqhuma ngokweqile kuyisihluthulelo sokusebenza okuvamile kohlelo lokulawula oluvulekile.
Izenzakalo ezingavamile nezeqile zenzeka laphoinjini ye-stepperiqala futhi ime, ngokulandelana. Ngokuvamile, umkhawulo wemvamisa yokuqala kwesistimu uphansi kakhulu, kuyilapho isivinini sokusebenza esidingekayo sivame ukuba phezulu kakhulu. Uma uhlelo luqalwa ngqo ngesivinini sokusebenza esidingekayo, ngoba isivinini sidlule umkhawulo, imvamisa yokuqala futhi ayikwazi ukuqaliswa kahle, kuqala ngesinyathelo esilahlekile, isisindo asikwazi ukuqala nhlobo, okuholela ekujikelezeni okuvinjiwe. Ngemva kokuthi uhlelo lusebenza, uma iphuzu lokugcina lifinyelelwe ngokushesha yeka ukuthumela ama-pulse, ukuze lime ngokushesha, khona-ke ngenxa yokungabi namandla kwesistimu, imoto ye-stepper izophendula isikhundla sebhalansi esifiswa yisilawuli.
Ukuze kunqotshwe ukwenzeka kokuphuma kwesinyathelo kanye nokweqa ngokweqile, kufanele kwengezwe ekulawuleni ukusheshisa kanye nokweqa okusheshayo kokuqala. Ngokuvamile sisebenzisa: ikhadi lokulawula ukunyakaza leyunithi yokulawula ephezulu, i-PLC enemisebenzi yokulawula yeyunithi yokulawula ephezulu, i-microcontroller yeyunithi yokulawula ephezulu ukulawula ukusheshisa nokweqa ngokweqile ukuqeda ukunyakaza kunganqoba ukwenzeka kokweqa ngokweqile kwesinyathelo esilahlekile.
Ngokwemibandela yabantu abavamile: lapho umshayeli we-stepper ethola isignali ye-pulse, ushayelainjini ye-stepperukujika i-engeli eqondile (kanye ne-engeli yesinyathelo) ohlangothini olubekiwe. Ungalawula inani lama-pulse ukulawula inani lokufuduka kwe-angular, ukuze ufeze injongo yokuma okunembile; ngesikhathi esifanayo, ungalawula imvamisa ye-pulse ukulawula ijubane kanye nokusheshisa kokujikeleza kwemoto, ukuze ufeze injongo yokulawulwa kwejubane. Imoto ye-Stepper inepharamitha yobuchwepheshe: imvamisa yokuqala engenamthwalo, okungukuthi, imoto ye-stepper uma kwenzeka imvamisa ye-pulse engenamthwalo ingaqala ngokujwayelekile. Uma imvamisa ye-pulse iphakeme kunemvamisa yokuqala engenamthwalo, imoto ye-stepper ayikwazi ukuqala kahle, ingase ilahlekelwe izinyathelo noma ivimbele. Endabeni yomthwalo, imvamisa yokuqala kufanele ibe ngaphansi. Uma imoto izojikeleza ngesivinini esiphezulu, imvamisa ye-pulse kufanele ibe nenqubo yokusheshisa enengqondo, okungukuthi, imvamisa yokuqala iphansi bese ikhuphuka iye kumvamisa ephezulu oyifunayo ekusheshiseni okuthile (isivinini semoto siyakhuphuka sisuka phansi siye esivinini esiphezulu).
Imvamisa yokuqala = isivinini sokuqala × ukuthi zingaki izinyathelo ngokujikeleza ngakunye.Isivinini sokuqala esingenamthwalo yimoto ye-stepper ngaphandle kokusheshisa noma ukwehlisa ijubane ngaphandle komthwalo ojikelezayo ngqo phezulu. Lapho imoto ye-stepper ijikeleza, ukuhanjiswa kwesigaba ngasinye sokugoqa imoto kuzokwakha amandla kagesi abuyela emuva; lapho imvamisa iphakama, amandla kagesi abuyela emuva ayanda. Ngaphansi kwesenzo sayo, imoto enemvamisa (noma isivinini) iyanda futhi ugesi wesigaba uyancipha, okuholela ekwehleni kwe-torque.
Ake sithi: i-torque ephelele yokukhipha ye-reducer yi-T1, isivinini sokukhipha siyi-N1, isilinganiso sokunciphisa siyi-5:1, kanti i-angle yokunyathela yemoto ye-stepper yi-A. Bese isivinini semoto siyi-: 5*(N1), bese i-torque yokukhipha yemoto kufanele ibe yi-(T1)/5, futhi imvamisa yokusebenza yemoto kufanele ibe yi-
5*(N1)*360/A, ngakho-ke kufanele ubheke ijika elichaza imvamisa yesikhashana: iphuzu lokuxhumanisa [(T1)/5, 5*(N1)*360/A] alikho ngaphansi kwejika elichaza imvamisa (ijika lokuqala lemvamisa yesikhashana). Uma lingaphansi kwejika lemvamisa yesikhashana, ungakhetha le moto. Uma lingaphezu kwejika lemvamisa yesikhashana, khona-ke, awukwazi ukukhetha le moto ngoba izophambuka, noma ingajiki nhlobo.
Ingabe unquma isimo sokusebenza, udinga isivinini esiphezulu esinqunyiwe, uma sinqunyiwe, khona-ke ungabala ngokwefomula enikeziwe ngenhla, (ngokusekelwe esivinini esiphezulu sokujikeleza, kanye nosayizi womthwalo, unganquma ukuthi imoto ye-stepper oyikhethayo manje iyafaneleka yini, uma kungenjalo kufanele wazi nokuthi hlobo luni lwemoto ye-stepper okufanele uyikhethe).
Ngaphezu kwalokho, imoto ye-stepper ekuqaleni ngemva komthwalo ingashintshwa, bese ikhulisa imvamisa, ngobainjini ye-stepperIjika lemvamisa yesikhashana kufanele libe nezimbili, kufanele ube nejika lemvamisa yesikhashana yokuqala, kanti elinye lingaphandle kwejika lemvamisa yesikhashana, lelijika limelela incazelo yokuthi: qala imoto ngemvamisa yokuqala, ngemva kokuqedwa kokuqala kungandisa umthwalo, kodwa imoto ngeke ilahlekelwe yisimo sesinyathelo; noma Qala imoto ngemvamisa yokuqala, uma kwenzeka umthwalo oqhubekayo, ungandisa isivinini sokusebenza ngokufanele, kodwa imoto ngeke ilahlekelwe yisimo sesinyathelo.
Lokhu okungenhla ukwethulwa kwe-stepper motor ephuma ngaphandle kwesinyathelo kanye ne-overshoot.
Uma ufuna ukuxhumana nokubambisana nathi, sicela ukhululeke ukuxhumana nathi!
Sisebenzisana eduze namakhasimende ethu, silalele izidingo zawo futhi senze ngokuvumelana nezicelo zawo. Sikholelwa ukuthi ukubambisana okuzuza wonke umuntu kusekelwe kwikhwalithi yomkhiqizo kanye nenkonzo yamakhasimende.
Isikhathi sokuthunyelwe: Ephreli-03-2023