Umlawuli wesithuthi ubandakanya amacandelo amabini amakhulu, i-hardware kunye nesofthiwe. I-software yayo engundoqo kunye neenkqubo ziphuhliswa ngokubanzi ngabavelisi, ngelixa ababoneleli beengxenye ze-auto banokubonelela nge-hardware yokulawula isithuthi kunye nabaqhubi abangaphantsi.Kweli nqanaba, uphando lwangaphandle kumlawuli wezithuthi zezithuthi zombane ezisulungekileyo zijolise ikakhulu kwiimoto zombane ezisulungekileyo eziqhutywa ngamavili.iinjini.Kwiimoto zombane ezicocekileyo ezinemoto enye kuphela, ngokuqhelekileyo ayixhotyiswanga umlawuli wesithuthi, kodwa umlawuli wemoto usetyenziselwa ukulawula isithuthi.Iinkampani ezininzi ezinkulu zangaphandle zinokubonelela ngezisombululo zolawulo lwezithuthi ezivuthiweyo, njenge-Continental, Bosch, Delphi, njl.
1. Ukwakhiwa kunye nomgaqo womlawuli wesithuthi
Inkqubo yokulawula isithuthi semoto yombane ecocekileyo ihlulwe kakhulu ibe yizicwangciso ezimbini: ulawulo oluphakathi kunye nolawulo olusasazwayo.
Umbono osisiseko wenkqubo yolawulo oluphakathi kukuba umlawuli wesithuthi ugqibezela ukuqokelelwa kweempawu zokungenisa yedwa, ahlalutye kwaye aqhube idatha ngokwesicwangciso solawulo, emva koko akhuphe imiyalelo yolawulo ngqo kwi-actuator nganye ukuqhuba ukuqhuba okuqhelekileyo kwesixhobo. imoto yombane ecocekileyo.Iingenelo zenkqubo yolawulo oluphakathi kukusetyenzwa okuphakathi, ukuphendula ngokukhawuleza kunye neendleko eziphantsi; ukungahambi kakuhle kukuba isiphaluka sinzima kwaye akulula ukutshabalalisa ubushushu.
Umbono osisiseko wenkqubo yokulawula esasazwayo kukuba umlawuli wesithuthi uqokelela imiqondiso ethile yomqhubi, kwaye anxibelelane nomlawuli wemoto kunye nenkqubo yolawulo lwebhetri ngebhasi ye-CAN. Umlawuli wemoto kunye nenkqubo yokulawula ibhetri ngokulandelelana ukuqokelela iimpawu zesithuthi ngebhasi ye-CAN. igqithiselwe kumlawuli wesithuthi.Umlawuli wesithuthi uhlalutya kwaye aqhube idatha ngokweenkcukacha zesithuthi kwaye zidibene nesicwangciso sokulawula. Emva kokuba umlawuli wemoto kunye nenkqubo yokulawula ibhetri ifumene umyalelo wokulawula, balawula ukusebenza kweemoto kunye nokukhutshwa kwebhetri ngokolwazi lwangoku lwemo yemoto kunye nebhetri.Iinzuzo zeenkqubo zokulawula ezisasazwayo ziyi-modularity kunye nobunzima obuphantsi; isiphene ziindleko eziphezulu.
Umzobo wesicwangciso senkqubo yokulawula isithuthi esisasazwayo siboniswe kumzobo ongezantsi. Uluhlu oluphezulu lwenkqubo yokulawula isithuthi ngumlawuli wesithuthi. Umlawuli wesithuthi ufumana ulwazi lomlawuli wemoto kunye nenkqubo yokulawula ibhetri ngebhasi ye-CAN, kwaye inikezela ngolwazi kumlawuli wemoto kunye nebhetri. Inkqubo yolawulo kunye nenkqubo yokubonisa ulwazi lwemoto ithumela imiyalelo yolawulo.Umlawuli wemoto kunye nenkqubo yokulawula ibhetri ngokulandelelana uxanduva lokubeka iliso kunye nolawulo lwemoto yokuqhuba kunye nebhetri yamandla.ipakethe, kunye nenkqubo yokubonisa ulwazi lwebhodi isetyenziselwa ukubonisa ulwazi lwemeko yangoku yesithuthi.
Umzobo ocwangcisiweyo wenkqubo yolawulo lwesithuthi esisasazwayo
Umzobo ongezantsi ubonisa umgaqo wokuqulunqwa komlawuli wesithuthi sombane ococekileyo ophuhliswe yinkampani.Isekethe ye-hardware yomlawuli wesithuthi iquka iimodyuli ezifana ne-microcontroller, ukutshintsha ubungakanani bemeko, i-analog quantity conditioning, i-relay drive, i-high-speed CAN bus interface, kunye nebhetri yamandla..
Umzobo ocwangcisiweyo wokuqulunqwa komlawuli wesithuthi sombane ococekileyo ophuhliswe yinkampani
(1) Imodyuli ye-Microcontroller Imodyuli ye-microcontroller ingundoqo yomlawuli wesithuthi. Ukuqwalasela umsebenzi womlawuli wesithuthi sombane ococekileyo kunye nendalo yangaphandle yokusebenza kwayo, imodyuli ye-microcontroller kufuneka ibe nesantya esiphezulu sokusebenza kwedatha, isisityebi Iimpawu ze-hardware interface, ixabiso eliphantsi kunye nokuthembeka okuphezulu.
(2) Imodyuli yokutshintsha ubungakanani bomgangatho wokutshintsha ubungakanani bemodyuli isetyenziselwa ukuguqulwa kwenqanaba kunye nokubunjwa kobungakanani begalelo lokutshintsha, esinye isiphelo esidityaniswe nesininzi sokutshintsha kobungakanani boluvo., kwaye esinye isiphelo sidityaniswe ne-microcontroller.
(3) Imodyuli ye-analog conditioning module isetyenziselwa ukuqokelela iimpawu ze-analog ze-accelerator pedal kunye ne-brake pedal, kwaye uzithumele kwi-microcontroller.
(4) Imodyuli yokuqhuba i-relay Imodyuli yokuqhuba i-relay isetyenziselwa ukuqhuba ubuninzi bee-relays, enye isiphelo sayo sidibaniswe ne-microcontroller nge-isolator ye-optoelectronic, kwaye esinye isiphelo sidibaniswe nobuninzi be-relays.
(5) Imodyuli ye-CAN yebhasi ye-high-speed ye-CAN yebhasi ye-high-speed isetyenziselwa ukubonelela nge-speed-speed CAN bus interface, enye isiphelo sayo sidibaniswe ne-microcontroller nge-isolator ye-optoelectronic, kunye nesinye isiphelo sixhunyiwe. kwisixokelelwano esinesantya esiphezulu sebhasi ye-CAN.
(6) Imodyuli yonikezelo lwamandla Imodyuli yonikezelo lwamandla inikezela umbane ozimeleyo we-microprocessor kunye nemodyuli nganye yokufaka kunye nemveliso, ibeka iliso kwi-voltage yebhetri, kwaye ixhunyiwe kwi-microcontroller.
Umlawuli wesithuthi ulawula, ulungelelanisa kwaye ubeka iliso kuyo yonke imiba yentambo yamandla esithuthi sombane ukuze kuphuculwe ukusetyenziswa kwamandla kwesithuthi kunye nokuqinisekisa ukhuseleko nokuthembeka.Umlawuli wesithuthi uqokelela umqondiso wokuqhuba umqhubi, ufumana ulwazi olufanelekileyo lwemoto yokuqhuba kunye nenkqubo yebhetri yamandla ngebhasi ye-CAN, uhlalutya kwaye ubala, kwaye unika ulawulo lwemoto kunye nemiyalelo yokulawula ibhetri ngebhasi ye-CAN ukuqonda ulawulo lokuqhuba isithuthi kwaye ulawulo lokuphucula amandla. kunye nolawulo lokubuyisela amandla ebhuleki.Umlawuli wesithuthi naye unomsebenzi wokudibanisa isixhobo esibanzi, esinokubonisa ulwazi lwesimo sesithuthi; inokuxilongwa okupheleleyo kwesiphoso kunye nemisebenzi yokucubungula; inesango lesithuthi kunye nemisebenzi yolawulo lwenethiwekhi.
2. Imisebenzi esisiseko yomlawuli wesithuthi
Umlawuli wesithuthi uqokelela ulwazi lokuqhuba olufana ne-accelerator pedal signal, i-brake pedal signal kunye ne-gear switch signal, kwaye ngaxeshanye ufumana idatha ethunyelwe ngumlawuli wemoto kunye nenkqubo yokulawula ibhetri kwibhasi ye-CAN, kwaye uhlalutya ulwazi ngokudibanisa nesicwangciso sokulawula isithuthi. kunye nesigwebo, ukukhupha injongo yokuqhuba umqhubi kunye nesithuthi esiqhuba ulwazi lombuso, kwaye ekugqibeleni uthumele imiyalelo ngebhasi ye-CAN ukulawula umsebenzi womlawuli wecandelo ngalinye ukuqinisekisa ukuqhuba okuqhelekileyo kwesithuthi.Umlawuli wesithuthi kufuneka abe nemisebenzi esisiseko elandelayo.
(1) Umsebenzi wokulawula ukuqhuba kwesithuthi Injini yokuqhuba yesithuthi sombane kufuneka ikhuphe itorque yokuqhuba okanye yokuqhobosha ngokwenjongo yomqhubi.Xa umqhubi ecinezela i-pedal ye-accelerator okanye i-pedal ye-brake, i-motor motor kufuneka ikhuphe amandla athile okuqhuba okanye amandla okuvuselela ngokutsha.Okukhona kuvuleka kwepedali, kokukhona amandla aphumayo emoto yokuqhuba.Ngoko ke, umlawuli wesithuthi kufuneka achaze ngokufanelekileyo ukusebenza komqhubi; ukufumana ulwazi lwengxelo kwiinkqubo ezingaphantsi kwesithuthi ukunika ingxelo yokwenziwa kwezigqibo kumqhubi; kwaye uthumele imiyalelo yokulawula kwiinkqubo ezisezantsi zesithuthi ukufezekisa ukuqhuba okuqhelekileyo kwesithuthi.
(2) Ulawulo lwenethiwekhi yesithuthi sonke Umlawuli wesithuthi ungomnye wabalawuli abaninzi bezithuthi zombane kunye ne-node kwibhasi ye-CAN.Kulawulo lwenethiwekhi yezithuthi, umlawuli wesithuthi liziko lolawulo lolwazi, uxanduva lombutho wolwazi kunye nokuhanjiswa, ukubeka iliso kwimeko yenethiwekhi, ulawulo lwe-node yenethiwekhi, kunye nokuxilongwa kwempazamo yenethiwekhi kunye nokucubungula.
(3) Ukufunyanwa kwakhona kwamandla e-braking Uphawu olubalulekileyo lwezithuthi zombane ezisulungekileyo ezahlukileyo kwizithuthi zenjini yokutsha yangaphakathi kukuba ziyakwazi ukubuyisela amandla okuqhobosha. Oku kuphunyezwa ngokusebenza kwemoto yezithuthi zombane ezisulungekileyo kwimeko yokuvuselela iziqhoboshi. Uhlalutyo lomlawuli wesithuthi Injongo yokunyathela umqhubi, ubume bebhetri yokupakisha amandla kunye nolwazi lwemo yemoto yokuqhuba, idityaniswe neqhinga lokulawula ukubuyisela amandla e-braking, ukuthumela imiyalelo yemowudi yemoto kunye nemiyalelo ye-torque kumlawuli wemoto phantsi kweemeko zokubuyiswa kwamandla okunyanyiswa, ngoko ke ukuba i-drive I-motor isebenza kwimo yokuvelisa amandla, kwaye amandla afunyenwe yi-braking yombane agcinwe kwi-pack yebhetri yamandla ngaphandle kokuchaphazela ukusebenza kwe-braking, ukuze kuqondwe ukubuyiswa kwamandla okunyathela.
(4) Ulawulo lwamandla eenqwelo-mafutha kunye nokuphucula kwiinqwelo zombane ezicocekileyo, ibhetri yamandla ayinikezeli kuphela amandla kwi-motor motor, kodwa inika amandla kwizixhobo zombane. Ngoko ke, ukuze ufumane uluhlu oluphezulu lokuqhuba, umlawuli wesithuthi uya kuba noxanduva lwalo lonke umbane wesithuthi. Ulawulo lwamandla ukuphucula ukusetyenziswa kwamandla.Xa ixabiso le-SOC lebhetri lisezantsi ngokwentelekiso, umlawuli wesithuthi uya kuthumela imiyalelo kwezinye izincedisi zombane ukunciphisa amandla okuphuma kwezixhobo zombane ukunyusa umgangatho wokuqhuba.
5Ukongezelela, umlawuli wesithuthi uhlala ebona unxibelelwano lwemodyuli nganye kwibhasi ye-CAN. Ukuba ifumanisa ukuba i-node ebhasini ayikwazi ukunxibelelana ngokuqhelekileyo, iya kubonisa ulwazi oluphosakeleyo kwindlela yokubonisa ulwazi lwesithuthi, kwaye ithathe amanyathelo afanelekileyo kwiimeko ezingxamisekileyo ezihambelanayo. ukucubungula ukuthintela ukwenzeka kweemeko ezinzima, ukwenzela ukuba umqhubi akwazi ukufumana ngokuthe ngqo kunye ngokuchanekileyo ulwazi lwangoku olusebenzayo lwesithuthi.
(6) Ukuxilongwa kwempazamo kunye nokucubungula Ngokuqhubekayo ukubeka iliso kwinkqubo yolawulo lwe-elektroniki yesithuthi ukuxilongwa kwempazamo.Isalathisi sempazamo sibonisa udidi lwempazamo kunye neekhowudi ezithile.Ngokomxholo wesiphoso, kuqhutywe ngexesha elifanelekileyo ukusetyenzwa kokhuseleko lokhuseleko.Kwiimpazamo ezincinci, kunokwenzeka ukuba uqhube ngesantya esiphantsi ukuya kwisikhululo solondolozo esikufutshane ukuze sigcinwe.
(7) Ulawulo lokutshaja lwangaphandle luqonda uxhulumaniso lokutshaja, ukubeka iliso kwinkqubo yokutshaja, ingxelo yesimo sokutshaja, kwaye iphelisa ukutshaja.
(8) Ukuxilongwa kwe-intanethi kunye nokufunyanwa kwe-intanethi yezixhobo zokuxilonga zijongene noxhulumaniso kunye nonxibelelwano lokuxilonga kunye nezixhobo zokuxilonga zangaphandle, kwaye ziqonda iinkonzo zokuxilonga i-UDS, kubandakanywa ukufundwa kwemijelo yedatha, ukufundwa kunye nokucoca iikhowudi eziphosakeleyo, kunye nokulungiswa kwamachweba okulawula. .
Umfanekiso ongezantsi ungumzekelo womlawuli wesithuthi sombane ococekileyo. Imisela injongo yomqhubi ngokuqokelela iimpawu zolawulo ngexesha lokuqhuba nokutshaja, lilawula kwaye licwangcise izixhobo zolawulo lwe-elektroniki zesithuthi ngebhasi ye-CAN, kwaye isebenzisa iimodeli ezahlukeneyo kwiimodeli ezahlukeneyo. Isicwangciso sokulawula ukuqaphela ulawulo lokuqhuba isithuthi, ulawulo lokuphucula amandla, ukunyathela ukubuyisela amandla okubuyisela kunye nokulawulwa kwenethiwekhi.Umlawuli wesithuthi wamkela itekhnoloji efana ne-microcomputer, i-intelligent power drive kunye ne-CAN ibhasi, kwaye ineempawu zokuphendula okulungileyo okuguquguqukayo, ukuchaneka kweesampuli eziphezulu, amandla okuchasa ukuphazamiseka kunye nokuthembeka okulungileyo.
Umzekelo wesilawuli sesithuthi sombane esisulungekileyo
3. IiMfuno zoYilo loMlawuli weSithuthi
Iinzwa ezithumela ngokuthe ngqo imiqondiso kumlawuli wesithuthi ziquka i-accelerator pedal sensor, i-pedal sensor ye-brake kunye ne-gear switch, apho i-accelerator ye-pedal sensor kunye ne-pedal sensor ye-pedal output ye-analog signal, kunye ne-signal ye-output ye-gear switch yisignali yokutshintsha.Umlawuli wesithuthi ulawula ngokungathanga ngqo ukusebenza kwemoto yokuqhuba kunye nokutshaja kunye nokukhupha ibhetri yamandla ngokuthumela imiyalelo kwisilawuli semoto kunye nenkqubo yokulawula ibhetri, kwaye uyayiqonda indlela yokuphuma kwimodyuli yebhodi ngokulawula i-relay engundoqo. .
Ngokutsho kokubunjwa kwenethiwekhi yokulawula isithuthi kunye nokuhlalutya kwegalelo kunye nezibonakaliso zesiphumo somlawuli wesithuthi, umlawuli wesithuthi kufuneka ahlangabezane nezi mfuno zobuchwepheshe zilandelayo.
① Xa kuyilwa isekethe yehardware, indawo yokuqhuba isithuthi sombane kufuneka iqwalaselwe ngokupheleleyo, ukuhambelana kwe-electromagnetic kufuneka kunikwe ingqwalasela, kunye nokukwazi ukuchasana nokuphazamiseka kufuneka kuphuculwe.Umlawuli wesithuthi kufuneka abe nesakhono esithile sokuzikhusela kwi-software kunye ne-hardware ukukhusela ukwenzeka kweemeko ezinzima.
② Umlawuli wesithuthi kufuneka abe ne-interfaces eyaneleyo ye-I / O ukuze akwazi ukukhawuleza kunye ngokuchanekileyo ukuqokelela ulwazi olwahlukeneyo lwegalelo, kwaye ubuncinane iziteshi ezimbini ze-A / D zokuguqula ukuqokelela izibonakaliso ze-accelerator ze-pedal kunye ne-brake pedal signals. Ijelo lokufaka idijithali lisetyenziselwa ukuqokelela isiginali yegiya yesithuthi, kwaye kufuneka kubekho amajelo amaninzi akhupha umqondiso wokuqhuba amandla okuqhuba ireyilayi yesithuthi.
③ Umlawuli wesithuthi kufuneka abe neendidi ezahlukeneyo zonxibelelwano. I-CAN yonxibelelwano yonxibelelwano isetyenziselwa ukunxibelelana nomlawuli wemoto, inkqubo yokulawula ibhetri kunye nenkqubo yokubonisa ulwazi lwesithuthi. I-interface ye-RS232 yonxibelelwano isetyenziselwa ukunxibelelana nekhompyutheni yomninimzi, kwaye i-RS-485 i-interface yonxibelelwano igcinwe. / 422 i-interface yonxibelelwano yonxibelelwano, enokuthi ihambelane nezixhobo ezingaxhasi unxibelelwano lwe-CAN, njengeminye imodeli yemoto yokuchukumisa izikrini.
④ Phantsi kweemeko zendlela ezahlukeneyo, imoto iya kudibana nezothuso ezahlukeneyo kunye nokungcangcazela. Umlawuli wesithuthi kufuneka abe nokuxhathisa ukothuka okulungileyo ukuqinisekisa ukuthembeka kunye nokhuseleko lwemoto.
Ixesha lokuposa: Nov-09-2022