Q&A ntawm ISO 26262 (PartⅠ)

Q1: Puas muaj kev nyab xeeb ua haujlwm pib nrog tsim?
A1: Yuav kom ua tiav, yog tias tsim nyog ua raws li ISO 26262 cov khoom lag luam, cov haujlwm kev nyab xeeb cuam tshuam yuav tsum tau npaj thaum pib ntawm txoj haujlwm, yuav tsum tau tsim cov phiaj xwm kev nyab xeeb, thiab kev ua haujlwm ntawm kev nyab xeeb hauv txoj kev npaj yuav tsum tau nce mus ntxiv. raws li kev tswj xyuas kom zoo kom txog rau thaum txhua qhov kev tsim, kev tsim kho thiab kev ua pov thawj tiav tiav thiab tsim cov ntaub ntawv kev nyab xeeb.Thaum lub sijhawm soj ntsuam kev lees paub, kev tshuaj xyuas kev nyab xeeb ua haujlwm kom ntseeg tau qhov tseeb ntawm cov khoom lag luam tseem ceeb thiab kev ua raws li cov txheej txheem, thiab thaum kawg yuav tsum tau ua pov thawj ntawm cov khoom ua raws li ISO 26262 los ntawm kev soj ntsuam kev nyab xeeb.Yog li, ISO 26262 npog tag nrho lub neej kev nyab xeeb kev ua ub no ntawm kev nyab xeeb ntsig txog cov khoom siv hluav taws xob / hluav taws xob.

Q2: Dab tsi yog cov txheej txheem pov thawj kev nyab xeeb rau chips?
A2: Raws li ISO 26262-10 9.2.3, peb tuaj yeem paub tias cov nti ua haujlwm raws li kev ruaj ntseg tawm ntawm cov ntsiab lus (SEooC), thiab nws cov txheej txheem kev txhim kho feem ntau suav nrog ntu 2,4 (qhov) 5,8,9, yog software tsim thiab kev tsim khoom tsis suav nrog.
Thaum nws los txog rau cov txheej txheem ntawv pov thawj, nws yuav tsum tau txiav txim siab raws li cov cai ntawm kev siv daim ntawv pov thawj ntawm txhua lub cev ntawv pov thawj.Feem ntau, nyob rau hauv tag nrho cov txheej txheem kev txhim kho nti, yuav muaj 2 mus rau 3 qhov kev tshawb xyuas nodes, xws li kev tshawb xyuas ntawm theem kev npaj, kev tshuaj xyuas ntawm theem tsim thiab kev loj hlob, thiab kev soj ntsuam ntawm qhov kev xeem thiab pov thawj theem.

Q3: Dab tsi ntawm chav tsev ntse yog nyob rau?
A3: Feem ntau, kev nyab xeeb ntsig txog hluav taws xob / hluav taws xob nyob ib puag ncig lub tsev ntse yog ASIL B lossis qis dua, uas yuav tsum tau soj ntsuam raws li kev siv cov khoom siv tiag tiag, thiab qib ASIL raug muab los ntawm HARA, lossis cov ASIL theem ntawm cov khoom tuaj yeem txiav txim siab los ntawm kev thov faib ntawm FSR.

Q4: Rau ISO 26262, chav tsev yam tsawg kawg nkaus uas yuav tsum tau kuaj yog dab tsi?Piv txwv li, yog tias peb yog cov cuab yeej siv hluav taws xob, peb puas yuav tsum tau ua qhov kev xeem ISO 26262 thiab kev pov thawj thaum ua cov tsheb thauj mus los?
A4: ISO 26262-8: 2018 13.4.1.1 (Hardware ntsiab lus ntsuas tshooj) yuav faib cov khoom siv rau hauv peb hom, thawj hom khoom siv kho vajtse feem ntau yog cov khoom sib cais, cov khoom siv tsis zoo, thiab lwm yam. Tsis tas yuav xav txog ISO 26262 , tsuas yog yuav tsum ua raws li cov cai ntawm tsheb (xws li AEC-Q).Nyob rau hauv rooj plaub thib ob ntawm cov ntsiab lus (kub sensors, ADCs yooj yim, thiab lwm yam), nws yuav tsum tau saib xyuas qhov muaj nyob hauv cov txheej txheem kev nyab xeeb nrog rau lub tswv yim kev nyab xeeb los txiav txim seb nws puas yuav tsum tau txiav txim siab ua raws li ISO 26262. ;Yog tias nws yog Qeb 3 yam (MCU, SOC, ASIC, thiab lwm yam), nws yuav tsum ua raws li ISO 26262.

GRGTEST muaj nuj nqi kev pabcuam kev nyab xeeb

Nrog kev nplua nuj kev paub dhau los thiab muaj kev vam meej hauv kev sim cov khoom siv tsheb thiab kev tsheb ciav hlau, peb tuaj yeem muab cov kev sim thiab ntawv pov thawj ntawm tag nrho cov tshuab, qhov chaw, cov khoom siv hluav taws xob thiab cov khoom siv raw rau Oems, cov chaw muag khoom thiab cov chaw tsim khoom lag luam los xyuas kom muaj kev ntseeg siab, muaj. , kev ruaj ntseg thiab kev nyab xeeb ntawm cov khoom.
peb muaj ib pab neeg ua haujlwm zoo tshaj plaws kev nyab xeeb, tsom rau kev nyab xeeb ntawm kev ua haujlwm (xws li kev lag luam, tsheb ciav hlau, tsheb, kev sib koom ua ke thiab lwm yam haujlwm), cov ntaub ntawv kev ruaj ntseg thiab cov kws paub txog kev nyab xeeb, nrog kev nplua nuj nyob rau hauv kev siv ntawm kev sib xyaw ua ke, tivthaiv thiab tag nrho kev ua haujlwm. kev nyab xeeb.Peb tuaj yeem muab kev pabcuam ib-nres rau kev cob qhia, kev sim, kev tshuaj xyuas thiab ntawv pov thawj rau cov neeg siv khoom hauv kev lag luam sib txawv raws li cov qauv kev nyab xeeb ntawm kev lag luam sib xws.