Lub tsheb panoramic saib system thiab lub tsheb yees

Dab tsi yog lub tsheb panoramic duab system?

Lub koob thaij hauv tsheb ua lub luag haujlwm tseem ceeb hauv kev paub txog ADAS thiab kev tsav tsheb tsis zoo. Daim ntawv thov ntawm lub tsheb foob pob hluav taws xob nrog lub koob thaij tsheb tuaj yeem txhim kho tsav kev nyab xeeb thiab kev yoojyim. Panoramic image system suav tau hu ua 360 degree panoramic duab system, los yog tsuas yog MVCS (MulTI-Saib Cov Yees Duab). Lub panoramic view system muab tsav tsheb nrog ntau intuitive kev tsav tsheb cov duab cov duab, uas tuaj yeem paub sai sai thiab pom tseeb txog qhov teeb meem uas tsis tau pom nyob ze ntawm lub tsheb, thiab ua tiav kev tsav tsheb, tshwj xeeb yog rau cov neeg tsav tsheb tshiab, uas yuav pab txhim tsa kev tsav tsheb thiab Txo cov khawb tsis ruaj.

Lub panoramic view system tuaj txog 4 txog 8 wide-angle high-sensitivity koob yees duab nyob ib ncig ntawm lub tsheb los npog txhua qhov pom ntawm lub tsheb qhov chaw, thiab hloov cov khoom sau ua cov ntaub ntawv digital thiab muab xa mus rau cov yeeb yaj duab sib luag thiab cov duab ntawm sab xub ntiag, nram qab, sab laug thiab sab xis ntawm lub tsheb sau tib lub sijhawm. Cheebtsam, tom qab duab ua haujlwm rau kev rho tawm kev rho npe → saib kev hloov khoom muag → duab splicing → duab li hloov dua siab tshiab rau hauv cov teeb liab analog, tsim kom muaj 360-degree lub cev npaj saib, thiab thaum kawg tso tawm sab nrauv console qhov chaw, uas tus neeg tsav tsheb kom pom tseeb ntawm lub tsheb nyob ib ncig ntawm Kev tawm tsam thiab nkag siab txog qhov chaw txheeb ze thiab kev deb ntawm obstacles los pab tsav tsheb yoojyim nres lawv cov tsheb.

Thaum pom cov panoramas, nws tseem tuaj yeem tso tau tib txoj kev pom ntawm ib tog neeg twg thiab siv tus kav kab mus kom pom qhov chaw thiab qhov deb ntawm kev khuam siab. ADAS khaws cov tsheb peripheral pab kev nyab xeeb tsav tsheb los ntawm kev tswj lub koob yees duab lub cev, thiab lub koob yees duab panoramic securely cov chaw ua si los ntawm kev tswj lub koob yees duab lub cev mus sau cov khoom ntawm lub tsheb. Ob lub tshuab khiav lag luam ntawm nws tus kheej thiab thoob plaws kev mus ncig.

Lub panoramic system foundations yuav dynamically tsiv raws li tus tsav tsheb trajectory, muab ib tug 360-degree daim duab nyob ib ncig ntawm lub tsheb. Feem ntau, plaub mus txog 5 siab-txhais-ntau (HDR) 1-megapixel koob yees duab yog siv cov kev siv nyiaj xws li LVDS los yog Fast Ethernet. Kev yees duab yees siv feem ntau yog siv los txo cov kev sib txuas lus ntawm kev sib txuas lus thiab txo cov kev cai ntawm cov cabling (piv txwv li, cov khub uas tsis sib npaug los yog coaxial cable siv tau). Lwm cov kev cai muaj xws li LVDS lossis hluav taws xob Ethernet, lub hwj huam, kev sib txuas DRAM kom ceev nrooj sab nraud nco, thiab lub cim xeeb flash embedded los txo nqi.

Cov tub ntxhais txoj kev teeb meem ntawm lub tsheb koob yees duab

Txawm nws yog qhov duab panoramic lossis ADAS, nws yuav ua rau tus neeg tsav tsheb zoo dua thiab ua kom muaj kev nyab xeeb ntawm lub tsheb. Panoramic duab system tseem ntsib cov teeb meem hauv cov duab splicing, yees duab ua haujlwm, thiab lwm yam. Peb tseem nyob ntawm no kom rov qab mus rau theem pib lub tsheb Lub koob yees duab tuaj mus rau tam sim no tseem ceeb kev teeb meem.

Lub zeem muag hmo ua haujlwm yuav yog ib qho tseem ceeb ntawm cov teeb meem rau cov koob yees duab tsheb. Raws li kev txheeb xyuas ntawm National Railway Safety Safety Administration (NHTS), txawm tias hmo tsav tsheb tsuas yog xam rau lub quarter ntawm tag nrho cov tsheb khiav tsheb, cov xwm txheej tau nyiaj rau ib nrab ntawm cov xwm txheej. Qhov kev huam yuaj tshwm sim los ntawm kev pluag pom thaum hmo ntuj tau lees paub txog 70%. Yog li, lub koob thaij duab yuav tsum muaj lub zog ua kom muaj zog, kom nws ua hauj lwm kom zoo txhua hnub, uas yog, ntau qhov dav spectral ze ze ntawm (400nm - 1100nm), yav tom ntej hmo ua haujlwm yuav dhau los ua tus qauv nrog lub koob thaij duab.

Muaj peb hom kev yees duab hmo ntuj uas tau muab los siv: lub tshuab pom kev tsis tshua pom kev luv nruab nrab, kev siv lub tshuab tsis pom kev nruab nrab ntawm lub nruab nrab, thiab kev cuam tshuam cov khoom siv hluav taws xob hmo ntuj. Lub teeb uas tsis tshua pom siv lub teeb ci ntsa iab uas pom tau los ntawm hmo ntuj-lub hom phiaj thiab ua kom nws mus txog ntau pua txhiab lub sij hawm kom ua tiav ib daim duab uas tsim nyog rau lub qhov muag pom kom pom thaum hmo ntuj. Kev siv tshuab ua kom pom kev nruab ntug yav dhau los tsis pom zoo.

Infrared hluav taws xob qhov chaw thiab tom qab infrared tawg yog siv rau kev ntsuam xyuas, uas yuav tsum tsis muaj lub teeb ci ntxiv nrog rau cov teeb pom kev zoo low-light thiab cov infrared technologies. Qhov kev tshawb nrhiav pom yog qhov ntev tshaj plaws, qhov tseeb yog siab, tab sis qhov kev ntsuam xyuas kuj yog qhov tshaj plaws qhov muag ploj, thiab lub vev xaib pom tsawg. Active infrared technology, tseem hu ua ze-infrared hmo pom kev siv tshuab, siv infra-red searchlights kom emit pom lub teeb kom pom lub phiaj xwm thiab siv lub teeb pom kev zoo rau kev ntsuam xyuas. Qhov kev pom qhov sib txawv yog qhov nruab nrab thiab qhov kev ntsuam xyuas pom tseeb.

Muab piv txwv nrog kev pom lub nruab hnub tsis pom kev, kev ua haujlwm ntawm kev lag luam hmo ntuj pom tseeb, thiab nws ncaj qha siv cov duab zoo los xyuas txog cov kev qhia kev hmo ntuj thiab cov neeg taug kev. Vim li no, lub tshuab ua haujlwm nrawm hnub yog ntau dua nyob rau hauv txoj kab nrog daim ntawv thov scenarios nyob rau hauv lub tsheb teb. Tib lub sij hawm, cov khoom siv hluav taws xob nruab nrab ntawm lub nruab nrab ntawm cov khoom siv hluav taws xob nruab nrab yog ntau dua cov khoom siv hluav taws xob ntau dua vim kev cuam tshuam cov duab infrared focal dav hlau thiab cov cuab yeej ntawm cov khoom siv hluav taws xob nruab nrab ntawm lub nruab ntug.

Cov tub ntxhais siv laser nruab nrab ntawm qhov muag pom tau hais tias yuav tsum muaj kev sib ze ntawm qhov chaw nruab nrab ntawm sab qaum ntuj thiab sab nruab nrab ntawm laser thiab kev ua haujlwm kom daws tau cov teeb meem kev teeb meem xws li kev thaij huab cua tag nrho, kev siv ob-txoj kev kub ceev ceev, thiab tshem tawm cov laser speccle, thiab yuav tsum tau siv lub tshuab hluav taws xob nrog cov tsheb ceev synchronization. Thiab teeb nyem teebmeem, kev nyuaj nyuaj ntau dua, yog li kev ua haujlwm rau yav hmo ntuj yuav yog ib qho tseem ceeb ntawm cov teeb meem rau cov koob yees duab tsheb.

Qhov tseem ceeb ntawm lub koob thaij duab rau tsheb khiav

ADAS system txoj kev daws teeb meem xws li koob yees duab, radar / lidar ntsiab, thiab sensor fusion. Hauv cov theem pib ntawm kev lag luam, radar / LIDAR cov ntsiab lus yog cov mainstream vim radar tshuab yog paub tab thiab huab cua puag tsis cuam tshuam. Txawm li cas los xij, nrog rau kev tsim cov ASICs (daim ntawv thov kev sib xyaw integrated circuits) thiab kev txhim kho cov duab ua algorithms, thiab vim radar technology muaj siab raug cais ntawm cov teeb meem ntawm cov teeb meem, nws tsis muaj peev xwm ntawm qhov txawv ntawm cov kev tsis sib haum uas muaj teeb meem xws li cov neeg taug kev thiab tsis muaj tseeb paub lawv. Cov tsheb los ntawm sab nrauv, thiab tsis paub qhov txawv ntawm txoj kab khiav, khib nyiab los yog kev ua si kev.

Kev tsim cov cuab yeej siv ntawm lub koob yees duab tuaj yeem paub qhov txawv ntawm cov ntaub ntawv xws li cov cim thiab cov neeg taug kev ntawm txoj kev, thiab tseem tuaj yeem xam qhov kev txiav txim siab ntawm cov neeg taug kev thiab tsheb los ntawm kev siv algorithm. Piv nrog radar tshuab, tus nqi qes dua, qhov kev ua haujlwm ntau dua, thiab qhov tseeb dua. Cov cuab yeej technology raws li yees duab yees tau maj mam tau txais los ntawm cov khw muag tshuaj. Noj rau hauv tus account cov koob yees duab ntawm lub koob yees duab pixels ntawm daim duab cov cuab yeej siv technology thiab txo qis zog hauv huab cua xws li huab thiab nag, sensor fusion raws li koob yees duab yuav ua rau lub hauv paus.

Hauv qab no, lub tsheb networking architecture yog kev xaav txheej, txheej txheej, thiab daim ntawv txheej txheem, uas feem ntau yog cov ntaub ntawv sau, sib kis, thiab ua haujlwm. Cov kev yees duab thiab qhov khaws cia (cov quav hauv seem) yog qhov pib ntawm lub tsheb network. Lub ntsiab technologies yog tsheb DVRs thiab tsheb IP koob yees duab. Tsheb DVR feem ntau hu ua tsheb video recorder, yog raws li cov yees duab video compression thiab 3G wireless kis tshuab, sab hauv GPS, tsheb dub lub thawv, CANbus, G-SENSOR thiab lwm yam yees.

Lub tsheb-mounted IPCamera yog ua raws cov teeb liab digital (DSP) thiab network technology. CMOS duab sensor converts scene qhov kho qhov muag ntsig rau hluav taws xob teeb liab. Cov teeb meem hluav taws xob tau hloov mus rau hauv cov teeb meem digital thiab xa mus rau DSP nco los ntawm cov ntaub ntawv interface kom tiav duab compression thiab encoding. Nyob rau tib lub sij hawm, cov kwj ntawv tau xa mus rau ib qho nyuaj disk los yog lwm qhov chaw cia khoom cia. Qhov nrug, scalability, thiab tus nqi yog txawv dua rau cov kev cai analog thiab DVRs.

Cov koob yees duab tsheb muaj ntau qhov chaw nyob thiab muab faib tau rau kev tsav tsheb (tsav tsheb, cov tsav tsheb, ADAS thiab lub cev muaj kev ruaj ntseg), chaw nres tsheb nres (tag nrho-scenery) thiab cov neeg saib xyuas hauv tsheb (lub ntsej muag ntsej muag technology) thoob plaws hauv cheeb tsam chaw. Tsav mus rau tag nrho cov txheej txheem ntawm qhov chaw nres tsheb, yog li ntawd muaj ntau tshaj qhov yuav tsum tau ua rau lub sijhawm ua haujlwm thiab sijhawm kub. Raws li qhov chaw teeb tsa, nws muaj peev xwm raug muab faib ua plaub yam: pem hauv ntej pom, pom kev pom, sab pom, thiab saib xyuas sab hauv.

Vim li cas lub tsheb thiaj xaiv CMOS cov cuab yeej?

Vim cov koob yees duab tsheb tseem ceeb ua luaj, lawv yuav tsum tau ua li cas rau technology thiab kev siv tshuab? Rau kev siv tsheb, cov koob yees duab tsheb yog tib yam li cov koob yees duab hauv xov tooj. Lawv tsuas yog siv CMOS tsis yog CCD raws li kho qhov muag sensors. Lub hauv paus tseem ceeb yog:

Ua ntej tshaj plaws, thawj cov cwj pwm ntawm cov sensors uas siv hauv cov kev pab tsav tsheb yog: ceev. Qhov tshwj xeeb tshaj yog nyob rau hauv kev tsav tsheb khiav ceev, qhov system yuav tsum muaj peev xwm sau tau cov tsav tsheb tseem ceeb, ntsuas cov txheej xwm thiab pib cov kev ntsuas hauv lub sijhawm tiag tiag. Hauv qhov tseemceeb, CMOS yog ib qhov duab tau zoo dua-lub hlwb nyob hauv lub CMOS sensor feem ntau yog tswj tau thiab nyeem los ntawm peb lub transistors, uas ua rau cov duab ua tau zoo tshaj plaws. Tam sim no, high-performance CMOS-raws li cov koob yees duab muaj peev xwm ncav cuag theem ntawm 5,000 ntas ib pliag.

Qhov thib ob, CMOS sensors kuj muaj qhov kom zoo dua cov duab ua. CCD sensors feem ntau muab cov lus cim analog TSC / PAL, uas yuav tsum tau hloov dua siab tshiab siv AD converter ntxiv, los yog CCD sensor ua haujlwm nrog ib qho kev ntsuam xyuas scan nrog cov duab digital tawm. Txhua txoj kev, kev siv CCD cov koob yees duab los muab cov duab teeb duab tseem ceeb tuaj yeem cuam tshuam qhov nyuaj; CMOS sensors ncaj qha muab LVDS los yog cov teeb meem tawm hauv digital, thiab cov khoom nyob hauv cov kev pabcuam tsav tsheb muaj peev xwm ncaj qha thiab tsis qeeb. Deal nrog cov teeb meem no.

Ntxiv mus, yuav kom ua tau raws li lub hom phiaj no, lub tsheb koob yees duab manufacturers yuav tsum xav txog kev siv cov nqi qis CMOS sensors. Tsis tas li ntawd, lub CMOS sensor tsis ua lub suab nrov Smear uas tshwm sim thaum siv CCD thaum muaj teeb meem ntawm lub teeb. Qhov no yuav txo qhov sij hawm hloov tau los ntawm kev ua haujlwm yuam kev.

Dab tsi yog cov yam ntxwv ntawm lub tsheb koob yees duab module?

Ntxiv rau kev siv COMS tshuab rau kev siv tshuab automotive, automotive lub koob yees duab modules kuj muaj lwm yam kev cai ntawm cov txheej txheem thiab ntim. Piv nrog lub koob yees duab ntawm lub xov tooj txawb, lub koob yees duab ntawm lub koob yees duab tsis yooj yim, vim yog vim nws muaj kev cia siab rau. Tsis zoo li cov koob thaij duab, cov koob yees duab kam muaj sijhawm ntev ua haujlwm, thiab lawv ib puag ncig pheej yws. Thaum lawv ploj, lawv yuav ua rau muaj kev hem thawj rau cov neeg siv lub neej txoj kev nyab xeeb. Vim li no, cov kev cai rau cov khoom siv thiab cov pob yuav tsum nruj heev. Lub koob yees duab ntawm lub tsheb yuav tsum tau muab tso rau hauv dej rau ob peb hnub, thiab kev ntsuas kub rau ntau tshaj 1,000 teev, suav nrog ceev jumps ntawm rho 40 degrees mus rau 80 degrees. Thiab lub koob thaij duab yuav tsum muaj lub zeem muag hmo ntuj kom paub meej siv thaum hmo ntuj.

Cov cim tshwj xeeb ntawm lub koob yees duab lub koob yees duab yog cov ntsiab lus tseem ceeb

(1) Nws muaj peev xwm ua rau lub suab nrov nrov thaum lub teeb huab cua tsis zoo, tshwj xeeb tshaj yog rau cov duab uas muaj duab thiab sab nraud ntawm lub tsheb. Nws yog ib qho yuav tsum tau hais tias daim duab yuav tsum tau yooj yim txawm tias thaum tsaus ntuj.

(2) Ib qho tseem ceeb ntawm cov koob yees duab onboard yees yog tias txoj kab rov tav qhov pom dav yog txhab ntawm 25 ° mus txog 135 °. Tus kab rov tav saib lub kaum sab xis ntawm lub koob yees duab module hauv lub xov tooj ntawm tes yog saibxyuas txog 55 °. Ua kom tiav cov kev daws teeb meem loj hauv cov cheeb tsam dav dav thiab peripheral, siv tsawg kawg tsib lo ntsiab muag.

(3) Lub cev lub koob yees duab ntawm lub koob yees duab lub koob yees duab ua los ntawm txhuas cam nrum alloy, thiab cov khoom siv yog siab. Lub koob yees duab tsheb mounted siv cov khoom siv txhuas txhuas siv cov hmoov txhuas uas tsis muaj cov hmoov pob txha siv los ua kom muaj kev ruaj ntseg, nrog rau peb lub hauv paus nram qab no: Cov cua kub zoo; kev siv ntawm lub cev raws li ib tug txheej hauv av los txhawb kev sib txuas lus electromagnetic; lub thermal stability ntawm qhov zoo yog qhov zoo.

(4) Cov neeg ua haujlwm dag zog thiab siab kub ntawm lub tsheb koob yees duab module yog cov ntsiab lus tseem ceeb. Cov khoos phis no yuav siv cov pob tshwj xeeb uas muab cov koob yees duab nrog rau qhov uas yuav tsum tau ua thiab muaj kev tiv thaiv rau kev nkag mus. Vim cov koob yees duab siv rau kev tsav tsheb khiav lub cev yog cov khoom uas muaj kev nyab xeeb rau kev tsav tsheb, lawv yuav tsum ua haujlwm tau zoo thaum lub kaw lus fais fab tuag ib ntus.

Vim muaj kev tshwj xeeb rau cov kev ruaj ntseg thiab kev qhia ntawm cov koob yees duab hauv tshuab raj, cov kev cai rau cov khoom siv thiab cov ntim yog siab. Ntxiv rau qhov chaw siab tshaj ntawm kev siv tshuab thiab kev siv tshuab, lub voj voog ntawm cov koob yees duab ntawm cov tsheb uas txuas mus rau hauv lub khw muag khoom muaj ntau dua li lwm hom koob yees duab. -paub rau ib lub sij hawm tsawg kawg ntawm ib xyoos ntawm cov nyiaj tau los.