Iindaba

I-1, Ukuqonda indawo efileyo, i-hysteresis, ukuchaneka kwendawo, isisombululo somqondiso wegalelo, kunye nokusebenza okuphakathi kulawulo lwe-servo
Ngenxa ye-oscillation yesignali kunye nezinye izizathu, isignali yegalelo kunye nomqondiso wempendulo yenkqubo nganye yokulawula i-loop evaliweyo ayikwazi ukulingana ngokupheleleyo, ebandakanya ingxaki yokulawula indawo efileyo kunye ne-hysteresis. Inkqubo ayikwazi ukwahlula uluhlu lwamahluko phakathi kwesignali yegalelo kunye nomqondiso wempendulo, oluluhlu lwendawo efileyo yokulawula.
Ngenxa ye-oscillation yomqondiso, ukuchaneka komatshini, kunye nezinye izizathu, inkqubo yokulawula ngokuzenzekelayo ye-servo ihlala isenza uhlengahlengiso kuluhlu oluncinci ngaphandle kwendawo yokulawula efile. Ukuze uthintele i-servo ukuba ilungelelanise i-oscillations kuluhlu oluncinci, umphumo we-hysteresis kufuneka ungeniswe.
Indawo efileyo yokulawula i-hysteresis inkulu, kunye noluhlu lwezowuni efileyo yolawulo ngokubanzi ± 0.4%. Ilophu ye-hysteresis inokumiselwa ukuba ibe ± 2%.

 

Umahluko phakathi komqondiso wegalelo kunye nomqondiso wempendulo awubangeli ukuba imoto ihambe ngaphakathi kwe-hysteresis loop. Umahluko phakathi kwesignali yegalelo kunye nesignali yempendulo ingena kwi-hysteresis loop, kwaye i-motor iqala ukuphuka nokuyeka.
Ukuchaneka kokubekadigcina ukuchaneka ngokubanzi kwenkqubo ye-servo, njengokulawula indawo efileyo, ukuchaneka komatshini, ukuchaneka kwe-potentiometer yempendulo, kunye nesisombululo somqondiso wegalelo. Isisombululo somqondiso wegalelo sibhekiselele kuluhlu oluncinci lwesisombululo senkqubo ye-servo yesignali yegalelo, kunye nesisombululo somqondiso wegalelo le-servo yedijithali ingcono kakhulu kune-analog servo. Ukusebenza kwembuyekezo kuxhomekeke kwi-hysteresis kunye nokuchaneka kokubeka.

 

 

2, Kutheni i-servo ihlala isenza isandi esikhalayo
I-servo ihlala isenza isandi sokulungelelanisa umva naphambili, kuba ezinye ii-servos zenzaungabinamsebenzi wohlengahlengiso lwe-hysteresis, kunye nolawulo lwendawo efileyo uluhlu luhlengahlengiswa lube luncinci. Ngethuba nje umqondiso wegalelo kunye nomqondiso wempendulo uhlala uguquguquka, kwaye umahluko wabo udlula indawo yokulawula efile, i-servo iya kuthumela umqondiso wokuqhuba i-motor.
Ukongezelela, ngaphandle komsebenzi wohlengahlengiso lwe-hysteresis, ukuba ukuchaneka komatshini wesethi ye-servo gear ihlwempuzekileyo, indawo ebonakalayo yezinyo inkulu, kwaye uluhlu olujikelezayo lwe-potentiometer yempendulo ludlula uluhlu lwendawo efileyo yokulawula, i-servo ngokuqinisekileyo iya kulungelelanisa ngokuqhubekayo kwaye i-squeak ngokuqhubekayo.

 

3, Kutheni ezinye ii-servos ziqhuma kwaye zitshise iibhodi zesekethe ngokulula
Ezinye ii-servos zisebenzisa izixhobo zamandla ezinombane ofanayo. Inkqubo yenzelwe umsebenzi wokukhusela ngokugqithisileyo okanye i-chip ixhotyiswe ngomsebenzi wokukhusela ngokugqithisileyo, ekwazi ukubona i-blocked current kunye nemo yesiphaluka esifutshane kwaye imise ngokukhawuleza isignali ye-motor drive. Ukongeza, i-varistor inokudityaniswa kwisekethe yemoto ukunqanda ukugqithisa okwethutyana, kwaye i-capacitor efunxayo inokuyilwa ekupheleni kwesixhobo samandla.Olu hlobo lwe-servo motor alukho lula ukutshisaiibhodi zeesekethe kunye neenjini ngenxa yokuvalwa kwe-injini okubangelwa kugqabhuko-dubulo. Ayinabudlelwane obugqibeleleyo nokuba i-servo yenziwe ngamazinyo esinyithi okanye amazinyo eplastiki.

4, Kutheni i-servo ishukuma
Indawo efileyo yolawulo inovakalelo, kwaye igalelo kunye nemiqondiso yempendulo iyaguquguquka ngenxa yezizathu ezahlukahlukeneyo, ezibangela ukuba umahluko ugqithe uluhlu kunye nengalo yephini lokuhamba, okukhokelela ekushukumeni kwe-rudder.

 

5, Ukuxilongwa kwempazamo ngokubanzi kwe-servo motor
1) Emva kogqabhuko-dubulo, i-servo motor yajikeleza ngamandla, ingalo ye-rocker wheeler yayingalawuleki, kwaye ingalo yerocker yatyibilika.

Kunokugqitywa ukuba i-gear iye yatshayela kwaye yatshintshwa.
2) Emva kokuqhuma, ukuhambelana kwe-servo motor kwehla ngokukhawuleza. Into eyenzekayo kukuba i-servo motor eyonakalisiweyo inempendulo epholileyo kunye nokufudumala okukhulu, kodwa inokuhamba ngemiyalelo yokulawula, kodwa isixa se-rudder sincinci kwaye sicotha.

Isiphelo esisisiseko: I-servo motor ine-overcurrent. Emva kokususa i-motor, kwafunyaniswa ukuba akukho mthwalo wangoku we-motorphezulu kakhulu (>150MA), kwaye ilahlekelwe yintsebenzo yayo echanekileyo (i-motor ehambelanayo akukho mthwalo wangoku ≤ 60-90MA). Buyisela i-servo motor.
3) Emva kokuqhuma, akukho mpendulo evela kwi-servo emva kokuguqula i-rudder.
Ukuzimisela okusisiseko: Ukuba i-electronic circuit ye-servo motor iphukile, uqhagamshelwano luhluphekile, okanye inxalenye yokuqhuba i-motor okanye ibhodi yesekethe ye-servo motor itshiswa, jonga kuqala isiphaluka, kubandakanywa iplagi, i-motor lead, kunye ne-servo motor lead nayiphi na into evulekileyo yesiphaluka. Ukuba akunjalo, zisuse nganye nganye. Okokuqala, susa i-motor kwaye uvavanye i-no-load yangoku.

 

Ukuba akukho mthwalo wangoku ungaphantsi kwe90MA, kuthetha ukuba imoto ilungile, kwaye ingxaki ngokuqinisekileyo ibangelwa kukutsha kwe-servo motor drive. Kukho i-2 okanye i-4 patch transistors encinci kwi-9-13g micro servo motor circuit board, enokutshintshwa. Ukuba kukho ii-transistors ezi-2, kufuneka zitshintshwe ngokuthe ngqo nge-Y2 okanye i-IY, oko kukuthi, i-SS8550. Ukuba kukho i-H-bridge yesekethe ene-transistors ezine, inokutshintshwa ngokuthe ngqo. Faka endaweni ye-2 Y1 (SS8050) kunye ne-2 (SS8550) ngokuthe ngqo, i-UYR ye-65MG - sebenzisa i-Y1 (SS8050 IC = 1.5A); UXR -- Faka endaweni ngqo nge Y2 (SS8550, IC=1.5A).
4) Ukuba i-servo motor iyahluleka, ingalo ye-rocker inokujikeleza kuphela kwelinye icala kwaye ingahambi kwelinye icala.
Isigwebo: I-servo motor ikwimeko entle. Uhlolo oluphambili lukwicandelo lokuqhuba. Kungenzeka ukuba elinye icala le-transistor ye-drive litshisiwe. Yilungise ngokwe (3).

 

 

I-5) Emva kokulungisa i-servo motor kunye nokuyivula, kwafumanisa ukuba i-servo motor yayinamathele kwicala elinye kwaye yenza isandi esiqhekezayo.
Isiphelo: Ibonisa ukuba i-terminals efanelekileyo kunye ne-negative ye-servo motor okanye iingcingo ze-terminal ze-potentiometer zixhunyiwe ngokungalunganga. Ngokulula ukuguqula isalathiso sonxibelelwano olubini lwenjini.

 
6) Emva kokuthenga imoto entsha ye-servo, ndafumanisa ukuba yayingcangcazela kakhulu xa ivuliwe, kodwa emva kokusebenzisa ingalo yokulawula,yonke into yayiqhelekile kwi-servo motor.
Isiphelo: Oku kubonisa ukubaInjini ye-servo yayidityaniswe ngokungafanelekangaokanye ukuchaneka kwegiya kwakunganelanga xa ishiya umzi-mveliso. Esi siphoso sikholisa ukwenzeka kwiinjini ze-servo zentsimbi. Ukuba awufuni ukuzibuyisela okanye ukuzibuyisela endaweni yazo, indlela yokuzisombulula kukususa isiciko sangasemva se-servo motor, ukwahlula i-servo motor kwisixhobo sokunciphisa i-servo, cofa intlama yamazinyo phakathi kweegiya, ubeke isigqubuthelo segiya ye-servo, faka izikrufu zebhokisi yegiya yokunciphisa, faka ingalo ye-servo rocker, kwaye ujikeleze ngokuphindaphindiweyo ingalo ye-rocker kwaye ujikeleze ingalo egudileyo de igiya iqhube igiya ngesandla. ingxolo yokukhuhlana iyancipha. Emva kokucoca i-servo gear ngepetroli, faka ioyile ye-silicone kwigiya kwaye udibanise i-servo motor ukusombulula impazamo ye-servo motor.

 
I-7) Kukho uhlobo lwe-servo engasebenzi kakuhle ebonisa ukuziphatha okungaqhelekanga: xa i-remote sensing ilawulwa ngokungcangcazela, i-servo inempendulo eqhelekileyo, kodwa xa i-remote sensing igxininiswe kwindawo ethile, ingalo ye-servo ephosakeleyo isaqhuba ngokukhawuleza, okanye isenzo sengalo sinobuvila kwaye sihamba emva naphambili.
Emva kokulungiswa okuphindaphindiweyo, kwafunyaniswa ukuba ingxaki ilele kwisibambo sesinyithi se-potentiometer, ekufuneka ibambelele ngokuqinileyo kwigiya yokugqibela ye-servo motor. Ayidityaniswanga ngokuqinileyo kwigiya enkulu (igiya yokugqibela) yengalo ye-servo, kunye nokutyibilika, ibangela ukubaInjini ye-servo ayinakukwazi ukuyifumana ngokuchanekileyoUmyalelo wesikhundla okhutshwe lulawulo, okukhokelela kwingxelo engachanekanga kunye nokukhangela okuqhubekayo.

 

Emva kokusombulula uxhulumaniso oluqinileyo phakathi kwe-potentiometer kunye ne-rocker arm gear, impazamo inokupheliswa. Ukuba isiphoso sisekhona emva kokulungiswa ngokwendlela, inokuba yingxaki kunye ne-servo motor okanye i-potentiometer, efuna ukuhlalutya ngokubanzi kwaye iphandwe nganye nganye!

 

8) Ukuba i-servo ephosakeleyo ihlala ishukuma kwaye isusa ukuphazamiseka kwerediyo, kwaye ingalo yokulawula eguqukayo isashukuma.
Ukuqukumbela: I-potentiometer iyaguga, yitshintshe, okanye uyilahle njengendawo esecaleni!

 
I-9) Emva kokufaka i-servo ye-digital tilt, kwafunyaniswa ukuba i-servo yayingasebenzi ngokufanelekileyo, kunye nezantya ezihlukeneyo. Yabuyiselwa kumvelisi kwaye nasemva kokuyisusa ngesithathu, ukungaguquguquki kwakusengamahlwempu.
Isiphelo: Kwaye kwafunyaniswa kamva ukuba ezinye ii-servos zedijithali zifuna i-BEC, kwaye emva kokufaka i-BEC yangaphandle ye-5. I-V3A, iphoso yasonjululwa, kungakhathaliseki ukuba umgangatho wee-servos.