ʻOku faʻa vahevahe ʻa e founga fakaʻuli ʻo ha ka ki ha faʻahinga kulupu ʻe ua, ko e taha ko e power steering EPS, ʻa ia ʻoku angamaheni ʻaki hono fakaʻaongaʻi ʻi he fanga kiʻi meʻaleles; ko e taha ko e hydraulic power steering HPS, ʻa ia ʻoku angamaheni ʻaki hono fakaʻaongaʻi ʻi he lotolotonga meʻaleles sipinga ʻo e ka. ʻOku ʻi ai foki mo ha electro-hydraulic power steering system EHPS, ʻa ia ʻoku lahi ange hono fakaʻaongaʻi.
ʻOku vahevahe ʻa e EPS ki ha faʻahinga ʻe fitu, pea ʻoku kehekehe ʻa e tatau ʻo e meʻa fakaʻuli ʻi he ngaahi sipinga ivi foʻou kehekehe. Ko e fakaʻuli ʻuhila ia ʻoku faʻahinga ʻuhila (C-EPS), fakaʻuli ʻuhila ʻuhila ʻi he faʻahinga pinion (P-EPS), fakaʻuli ʻuhila pinion ua (DP-EPS), mo e fakaʻuli fakaʻuhila ʻoku tokoni fakahangatonu ki he rack. (RD-EPS), rack parallel electric power steering (RP-EPS), pamu ʻuhila hydraulic power steering (H-EPS), fakaʻilekitulonika ʻoku puleʻi ʻa e founga fakaʻuli ʻo e gear ratio (E-VGR), etc. .
ʻOtu fakaʻuli ʻuhila (C-EPS), Kamata ʻi he 1988 Ko e fuofua EPS ʻi mamani, makatuʻunga ʻi he tekinolosia mo e taukei kuo tanaki talu mei he ʻaho naʻe ngaohi ai, ʻOku ne ʻomi ha malu lelei ʻaupito, fiemalie mo e ngaue ʻa e ʻatakai. ʻOku tuʻu ʻa e tokoni ki he ʻuhila ʻi he kolomu fakaʻuli (ʻi loto ʻi he loki). Feʻunga ki he fanga kiʻi meʻa iiki, fanga kiʻi meʻalele siʻisiʻi mo e ngaahi loki misini iiki ange, pea pehe ki he ngaahi meʻalele lalahi lotoloto. ʻA ia ko e, ivi foʻou meʻalelehange ko e fanga kiʻi loli iiki mo e fanga kiʻi loli iiki.
Pinion ʻuhila fakaʻuli (P-EPS), Tokoni ki he rack Ongoʻi fakaʻuli lelei ʻaupito, ʻomi ʻa e fefeka maʻolunga mo e ngaue malohi ʻaupito. ʻI hono fakaʻaongaʻi ʻo e ngaahi tekinolosia kuo ʻosi fakamo, ko ha founga fakaʻuli mo malu ʻaupito, ʻOku aʻusia ʻa e fiemalie mo e ngaue ʻa e ʻatakai. ʻOku tuʻu ʻa e meʻangaue tokoni ki he ʻuhila ʻi he fuʻu pou pinion (ʻi he loki misini) pea fakaʻaongaʻi ha miniaturized design ke tokangaʻi ʻa e ngaahi palopalema ʻo e ʻatakai ʻi he loki misini. Fakafehoanaki mo e faʻahinga ʻo e kolomu (C-EPS), ʻOku toe lelei ange ʻa e ola fakalongolongo.
Fakaʻuli ʻuhila pinion ua (DP-EPS), ko ha kiʻi meʻa siʻisiʻi ʻeni ʻOku fakamavahevaheʻi ʻe he faʻahinga naunau kuo fakaleleiʻi ʻa e meʻangaue tokoni ki he ʻuhila mei he vaʻe fakaʻuli ke maʻu ha faʻunga ʻo e polokalama fola ʻoku feliliuaki mo tauʻataina. ʻOku fakaʻaongaʻi ʻa e palani ʻo e ʻiuniti tokoni kuo fakaleleiʻi ke aʻusia ha tuʻunga pau ʻo e tauʻataina ʻi he tafaʻaki ʻo e foʻi fakaʻuli. ʻA ia ko e, ʻOku fakanaunau ʻa e meʻa fakasiʻisiʻi ʻaki ha founga puleʻi ʻo e fakafepaki ki he backlash mo e fepaki maʻulalo mo e ngaue fakalongolongo. ʻOku fakaleleiʻi ʻa e feliliuaki ʻo e fola koeʻuhi ko e orthogonal/cross configuration ki he naunau ʻuanga.
Rack direct assist electric power steering (RD-EPS), ʻOku tokoni fakahangatonu ʻa e rack ki he foʻi pou fakaʻuli, pea ʻoku tali fakahangatonu ʻa e ola ʻo e tokoni . ʻOku ʻuhinga ia ʻoku fokotuʻutuʻu ʻa e ʻiuniti tokoni ʻuhila ʻi he rack shaft, pea ʻe lava ke fokotuʻu ʻa e ʻiuniti tokoni ko ʻeni ʻi ha faʻahinga feituʻu pe ʻi he fuʻu ʻakau ʻo e rack, ʻa ia ʻoku ne fakalahi ʻa e tauʻataina ʻo e fokotuʻutuʻu ʻo e fokotuʻutuʻu mo taʻofi hono fakaʻaongaʻi ʻo ha ratio lahi ʻo e fakasiʻisiʻi. Malohi ʻo e inertia, ongoʻi mapuleʻi lelei ʻaupito. ʻOku siʻisiʻi ange foki ʻa e mole ʻo e naunau mo e ngaue fakamisini maʻolunga.
Rack Parallel Electric Power Steering (RP-EPS) ʻoku ne fakaʻaongaʻi kakato ʻa e lahi ange ʻi he 10 ngaahi taʻu ʻo e taukei ʻi hono ngaohi ʻo e RD-EPS, pea fakaʻaongaʻi ʻa e output maʻolunga, Compact Reduction Gears ke faingofua ange hono fola. Fokotuʻutuʻu foʻou ʻo e sikalu foʻou mo e longoaʻa/tetetete lelei (NV) Ngaue
Electric Pump Hydraulic Power Steering (H-EPS), ko ha polokalama fakaʻuli ʻuhila hydraulic fakahaofi ivi kuo fakanaunau ʻaki ha pamu ʻuhila, puleʻi ʻe ha microcomputer, aʻusia ʻa e malu lelei ʻaupito, fakafiemalie mo e ngaue ʻa e ʻatakai ʻi hono fakaʻaongaʻi ʻo ha pamu ʻuhila mavahe. Matuʻaki feliliuaki hono fola mo e malava ke fakaʻuli ʻi he EV. Ongoʻi fakaʻuli lelei mo lelei ange ʻa e lolo ʻo fakafou ʻi he ngaahi fokotuʻutuʻu lelei ʻo e fakatafe lolo (MAP) mo e liliu makehe ʻo e valve. ʻOku ʻi ai foki mo ha idle stop mode: ʻai ke lele hangatonu ʻa e kaa. Ko e ivi ʻoku fakaʻaongaʻi lolotonga ʻa e ngaue ʻoku fakafuofua ki he 80% maʻulalo ange ʻi he fakaʻuli malohi angamaheni (HPS) (10-15founga). Ko e pamu ʻuhila/ECU (pamu ʻuhila electro-hydraulic) ko ha meʻa helical ia ʻoku ne fakasiʻisiʻi ʻa e pulsation pea aʻusia ha palani maʻamaʻa/maʻamaʻa.
Founga fakaʻuli ʻoku puleʻi fakaʻilekitulonika (E-VGR) , ko ha founga kehekehe ia ʻo e feʻaveʻaki ʻo e tuliki fakaʻuli ʻoku ne fakakaukauʻi meʻalele tuʻunga taʻeueʻia mo e ngaue fakaʻuli: ʻi he taimi ʻoku fakaʻuli ai ʻi he vave maʻulalo mo e tauʻanga meʻalele, ʻE lava ke fakalahi ʻa e ratio ʻo e transmission ʻo e tuliki fakaʻuli pea toe lelei ange ʻa e ngaue ʻa e fakaʻuli, pea ʻi he taimi ʻoku fakaʻuli vave ai, ʻE lava ke fakasiʻisiʻi ʻa e ratio ʻo e transmission ʻo e tuliki fakaʻuli pea lava ke fakasiʻisiʻi ʻa e ratio ʻo e transmission ʻo e tuliki fakaʻuli. Fakaleleiʻi ʻa e tuʻunga taʻeueʻia ʻo e fakaʻuli hangatonu. ʻAki hono fakaʻaongaʻi ʻo e torque friction maʻulalo, ʻa e meʻalele ʻE lava ke fakaleleiʻi ʻa e tuʻunga taʻe. ʻE lava foki ke fakaʻaongaʻi ʻa e ngaue ʻa e power steering system ko ʻeni ki he polokalama tokoni ki he fepaki ʻa e ka, puleʻi ʻo e fakaʻuli ʻi he taimi ʻoku meʻalele Sideslips, mo e polokalama tokoni ki hono tauhi ʻo e hala.
Ko e lelei ʻo e EPS ko ʻene fakaʻaongaʻi pe ʻa e malohi lolotonga ʻa e ngaue fakaʻuli, mo e ivi fakalukufua ʻOku maʻulalo hono fakaʻaongaʻi; ʻe faingofua pe ke fakafehoanaki ʻa e ola ʻo e tokoni ki he malohi mo e meʻalele vave, pea ʻe lava ke ne fakakaukauʻi ʻa e maʻamaʻa ʻo e fakaʻuli ʻi he vave maʻulalo pea mo e tuʻunga taʻeueʻia ʻo e fakaʻuli ʻi he vave maʻolunga, pea ʻoku lelei ʻene ngaue ʻi he centering; ʻoku faingofua hono faʻunga, ʻoku maʻamaʻa, faingofua ke fokotuʻutuʻu, faingofua ke fakatahatahaʻi, pea faingofua hono tauhi; ko ha founga kakato Kuo ne fakaleleiʻi ʻa e palopalema ʻo e leakage ʻo e lolo hydraulic pea muimui ki he akenga ʻo e “tuʻu ʻataʻata ʻo e kaponi”. Ko e kovi he ʻoku fakafalala ia ki he ʻiuniti ʻoku ne puleʻi ke fakatataaʻi ʻa e ongoʻi mo e malohi ʻo e fakaʻuli, ʻa ia ʻe iku ki he mole ʻa e konga ʻo e ongo ʻo e hala; ʻOku lahi ʻa e ngaahi meʻa fakaʻilekitulonika, pea ʻoku ʻikai ke lelei ʻa e tuʻunga taʻeueʻia mo e falalaʻanga ʻo e polokalama ʻo hange ko e ngaahi meʻa fakamisini.
ʻOku vahevahe ʻa e hydraulic power steering HPS ki ha faʻahinga ʻe tolu, ʻa ia ko e rack & Pinion hydraulic power steering, fakaʻilekitulonika ʻoku puleʻi ʻe he hydraulic power steering, mo e foʻi pulu sikalu Hydraulic power steering, etc.
Rack & pinion hydraulic power steering provides output through hydraulic means Powerful, ʻOku fakaʻata ʻe he muimuiʻi mo e tokoni fakanatula ʻa e malohi ke faingofua mo hamolemole ʻa e fakaʻuli. ʻOku feʻunga mo ha ngaahi sipinga kehekehe mei he fanga kiʻi ka iiki ki he ngaahi ka RV.
ʻOku makatuʻunga ʻa e fakaʻuli fakaʻilekitulonika ʻoku puleʻi ʻi he hydraulic power assistance, ʻi hono tanaki atu ʻo e polokalama puleʻi fakaʻilekitulonika ʻoku ʻiloʻi ai ʻa e fakaʻuli lelei ʻoku feʻunga mo e meʻalele vave.
ʻOku feʻunga ʻa e foʻi pulu sikalu hydraulic power steering ki he ngaahi ka angamaheni, pea pehe ki he ngaahi loli mo e pasi mo e ngaahi lalahi kehe meʻaleles, ʻomi ha tokoni malohi maʻolunga mo ha aʻusia lelei mo fakafiemalie ʻi he fepaki.
Ko e lelei ʻo e hydraulic power steering HPS ko e fehokotaki fakamisini kakato ʻi he vahaʻa ʻo e foʻi fakaʻuli mo e foʻi fakaʻuli , ʻoku ʻikai ngata pe ʻi he tonu ʻa e puleʻi, Ka ʻoku mahino foki ʻa e ongo ʻo e hala; Ko e maʻuʻanga ivi ʻo e tokoni fakaʻuli ko e misini, Ko ia ko e malohi fakaʻuli ʻe lava ke fakaʻaongaʻi ʻoku fakautuutu mo hokohoko atu; ʻOku matuʻotuʻa mo falalaʻanga ʻaupito ʻa e tekinolosia, Tatau ai pe kapau ʻe maumau ʻa e polokalama tokoni ʻuhila, ʻE kei lava pe ke fakafalala ʻa e polokalama fakaʻuli ki he fehokotakiʻanga fakamisini. ʻIkai ha fakaʻuli malohi. ʻOku ʻikai ha ofo ʻi heʻene kei hoko ko e "ʻofaʻanga" ʻi he malaʻe ʻo e fakakomesiale meʻaleleʻo aʻu ki he ʻaho ni. Ko e kovi he kehe pe ke fakamoʻui ʻa e misini, Tatau ai pe pe ʻoku vilo ʻa e kaa pe ʻikai, ʻOku lele ʻa e misini mo e pamu ʻuhila hydraulic, fai ha ngaue taʻeʻaonga lahi, pea ʻoku maʻolunga ʻa e ivi fakalukufua; ʻOku hanga ʻe he faʻunga ʻo e paipa hydraulic mo e ngaahi valves lahi ʻo e lolo ʻo ʻai ke toe faingataʻa ange ʻa e faʻunga fakalukufua. , ʻOku lahi ʻa e feituʻu fakatahaʻanga; ʻoku faʻa tauhi ʻa e lolo kotoa ʻi he teke malohi maʻolunga, ʻE uesia ʻa e moʻui ʻo e ngaue, pea ʻoku ʻi ai ha fakatuʻutamaki ʻo e leakage ʻa e lolo hydraulic mo e ʻuli ʻo e ʻatakai.
ʻOku makatuʻunga ʻa e electro-hydraulic power steering system EHPS ʻi he fakaleleiʻi ʻo e HPS. ʻOku tatau ʻa e tefitoʻi moʻoni fakaʻuli mo e HPS. Ko e tefitoʻi fakalelei ko e palopalema ʻo e hokohoko atu hono fakaʻaongaʻi ʻe he HPS ʻa e malohi ʻo e misini. ʻI he EHPS, ʻOku ʻikai ke toe fakalele ʻe he misini ʻa e pamu booster hydraulic, ka ʻoku fakalele ia ʻe ha misini foʻou. ʻOku tanaki ʻe he ʻiuniti puleʻi fakaʻilekitulonika ʻa e sensor ʻo e vave ʻo e veʻeteka mo e ngaahi fakamatala kehe, pea hili ha ngaue fakaʻauliliki, puleʻi ʻa e tuʻunga fakaava ʻo e hydraulic valve ke liliu ʻa e malohi ʻo e lolo, ʻo liliu ai ʻa e malohi tokoni ki he fakaʻuli.
Ko hono lelei he ʻoku ne maʻu ʻa e ngaahi lelei ʻo e mapuleʻi totonu mo e ongoʻi mahino ʻo e HPS; fakafehoanaki ki he HPS, ʻOku ne fakasiʻisiʻi ʻaupito ʻa e ivi ʻoku fakaʻaonga; pea ʻe lava ke liliu ʻa e tokoni fakaʻuli ʻo fakatatau ki he Parameters hange ko e tuliki mo e meʻalele ʻE lava ke liliu ʻa e vave ʻiate kinautolu pe, ʻai ke toe ongongofua ange ʻa e tali. Ko e kovi ko e lahi ange ʻa e ngaahi ʻiuniti fakaʻilekitulonika ʻoku tanaki atu, ʻa ia ʻoku fakaiku ki ha fakautuutu ʻi he faingataʻa ʻo e faʻunga fakalukufua pea mo ha kiʻi fakautuutu ʻi he fakamole. ʻOku ʻikai lelei ʻa e falalaʻanga ʻo hange ko e HPS; pea ʻoku kei ʻi ai pe ʻa e palopalema ʻo e leakage ʻo e lolo hydraulic.
Fakamatala fakanounou: Hili hono lau ʻo e talateu ʻi ʻolunga, ʻOku fakatou tuʻu fakatuʻutamaki ʻa e hydraulic power steering HPS mo e electro-hydraulic power steering system EHPS ʻi he leaking hydraulic oil mo fakaʻuliʻi ʻa e ʻatakai; fakaʻuli ʻuhila Neongo ʻoku ʻikai ke ʻi ai ha lolo leakage ʻi he meʻa fakaʻuli EPS, ongoʻi mo e malohi ʻo e fakaʻuli, ʻOku ʻikai ke lelei ʻa e tuʻunga taʻeueʻia mo e falalaʻanga ʻo e polokalama ʻo hange ko e ongo meʻa kehe. ʻE lava ke pehe ʻoku malava pe!
