Umgaqo-siseko wolawulo lwemoto ye-DC ye-brushless, ukwenza i-motor ukujikeleza, inxalenye yolawulo kufuneka iqale inqume indawo ye-motor rotor ngokwe-holo-sensor, kwaye emva koko igqibe ukuvula (okanye ukuvala) amandla kwi-inverter ngokutsho ukujika kwestator. Umyalelo we-transistors, i-AH, i-BH, i-CH kwi-inverter (ezi zibizwa ngokuba yi-transistors yamandla engalo ephezulu) kunye ne-AL, BL, CL (ezi zibizwa ngokuba yi-transistors yamandla engalo ephantsi), yenza ukuhamba kwangoku nge-motor coil ngokulandelelana ukuya velisa phambili (okanye umva) ) ijikelezisa imagnethi kwaye inxibelelane neemagnethi zerotor ukuze imotor ijike ngokwewotshi/ngokuchasene newotshi. Xa i-motor rotor ijikeleza kwindawo apho i-hall-sensor ibona elinye iqela lemiqondiso, iyunithi yokulawula ijika kwiqela elilandelayo le-transistors yamandla, ukuze i-motor ejikelezayo iqhubeke ijikeleza kwicala elifanayo de iyunithi yokulawula inqume cima amandla ukuba i-motor rotor iyayeka. i-transistor (okanye uvule kuphela i-transistor yamandla engalo esezantsi); ukuba i-motor rotor iya kuguqulwa, ukulandelelana kwe-transistor yamandla kuya kuguqulwa. Ngokusisiseko, indlela yokuvula i-transistors yamandla ingaba ngolu hlobo lulandelayo: AH, iqela le-BL → AH, iqela le-CL → BH, iqela le-CL → BH, AL iqela → CH, AL iqela → CH, iqela le-BL, kodwa akufanele livule njenge-AH, AL okanye BH, BL okanye CH, CL. Ukongezelela, ngenxa yokuba iinxalenye ze-elektroniki zihlala zinexesha lokuphendula lokutshintsha, ixesha lokuphendula le-transistor yamandla kufuneka lithathelwe ingqalelo xa i-transistor yamandla icinyiwe kwaye ivuliwe. Ngaphandle koko, xa ingalo ephezulu (okanye ingalo ephantsi) ingavalwanga ngokupheleleyo, ingalo esezantsi (okanye ingalo ephezulu) sele ivule, ngenxa yoko, iingalo ezingaphezulu nezisezantsi zifutshane kwaye i-transistor yamandla itshiswa. Xa i-motor ijikeleza, inxalenye yolawulo iya kuthelekisa umyalelo (uMyalelo) owenziwe ngesantya esisetwe ngumqhubi kunye nesantya sokukhawuleza / sokunciphisa isantya sokutshintsha komqondiso weholo-(okanye ubalwa ngesoftware), emva koko wenze isigqibo iqela elilandelayo ( AH, BL okanye AH, CL okanye BH, CL okanye ...) iiswitshi zilayitiwe, kwaye zisebenza ixesha elingakanani. Ukuba isantya asanelanga, siya kuba side, kwaye ukuba isantya siphezulu kakhulu, siya kufinyezwa. Le nxalenye yomsebenzi wenziwa yi-PWM. I-PWM yindlela yokubona ukuba isantya semoto siyakhawuleza okanye siyacotha. Ukwenziwa njani iPWM enjalo ngundoqo wokuphumeza ulawulo lwesantya oluchanekileyo. Ukulawulwa kwesantya sesantya esiphezulu sokujikeleza kufuneka kuthathelwe ingqalelo ukuba isisombululo se-CLOCK yenkqubo sanele ukubamba ixesha lokusebenzisa imiyalelo yesoftware. Ukongeza, indlela yokufikelela kwidatha yokutshintsha isiginali ye-hall-sensor ichaphazela ukusebenza kweprosesa kunye nokuchaneka kwesigwebo. Ixesha elilungile. Ngokubhekiselele kulawulo lwesantya esisezantsi, ngakumbi ukuqalisa ngesantya esisezantsi, utshintsho lwe-hall-sensor signal luba lucotha. Ulubamba njani umqondiso, ixesha lenkqubo, kunye nokuqwalasela amaxabiso eparamitha yolawulo ngokufanelekileyo ngokweempawu zemoto kubaluleke kakhulu. Okanye ukuguqulwa kwesantya sokubuya kusekelwe kwinguqu ye-encoder, ukwenzela ukuba isisombululo somqondiso sandiswe kulawulo olungcono. I-motor inokuhamba kakuhle kwaye iphendule kakuhle, kwaye ukufaneleka kolawulo lwe-PID akunakuhoywa. Njengoko bekutshiwo ngaphambili, i-brushless DC motor lulawulo oluvaliweyo, ngoko ke umqondiso wengxelo ulingana nokuxelela iyunithi yolawulo ukuba isantya semoto sikude kangakanani kwisantya ekujoliswe kuso, yimpazamo leyo (Impazamo). Ukwazi impazamo, kuyimfuneko ukuhlawula ngokwemvelo, kwaye indlela inolawulo lobunjineli bendabuko njengolawulo lwe-PID. Nangona kunjalo, imeko kunye nemeko yolawulo eneneni intsonkothile kwaye iyaguquka. Ukuba ulawulo kufuneka lomelele kwaye lomelele, imiba ekufuneka iqwalaselwe isenokungaqondwa ngokupheleleyo lulawulo lobunjineli bemveli, ngoko ke ulawulo olungaqondakaliyo, inkqubo yeengcali kunye nenethiwekhi ye-neural nazo ziya kubandakanywa njengethiyori ekrelekrele ebalulekileyo yolawulo lwe-PID.
Ixesha lokuposa: Mar-24-2022