ISO26262が要求する安全コンセプトの 実用的な記 …

1 12th WOCS2 1/21/2015 iso26262 DNV GL Copyright 2015 DNV GL All Rights Reserved. 1 12th WOCS2 1/21/2015 1 ISO 26262 1 2 3 4 5 Copyright 2015 DNV GL All Rights Reserved. 2 12th WOCS2 1/21/2015 2 i ISO 26262 2011 11 OEM Copyright 2015 DNV GL All Rights Reserved. 3 12th WOCS2 1/21/2015 2 ii , ISO 26262 ASIL Copyright 2015 DNV GL All Rights Reserved.

2 4 ASIL : Automotive Safety Integrity Level 12th WOCS2 1/21/2015 3 i ASIL Copyright 2015 DNV GL All Rights Reserved. 5 SG001 FSR001 FSR002 FSR003 TSR001 TSR002 TSR003 HWSR001 HWSR002 HWSR003 SWSR001 SWSR002 SWSR003 HW SW ISO 26262- 8, Figure 2 Structure of safety requirements HW W 12th WOCS2 1/21/2015 3 ii ASIL H&R ASIL ASIL Copyright 2015 DNV GL All Rights Reserved. 6 ASIL X ASIL X 12th WOCS2 1/21/2015 3 iii FSC, TSC, HWAD, SWAD Copyright 2015 DNV GL All Rights Reserved.

3 7 SM ASIL ASIL SM : Safety Mechanism 12th WOCS2 1/21/2015 3 iv ASIL ASIL ASIL Copyright 2015 DNV GL All Rights Reserved. 8 ASIL X ASIL X SR ASIL QM 12th WOCS2 1/21/2015 3 v ASIL Copyright 2015 DNV GL All Rights Reserved. 9 # Method ASILA ASILB ASILC ASILD 1a Method-1 o + + ++ 1b Method-2 + + ++ ++ 2a Method-3 + ++ ++ ++ 2b Method-4 ++ ++ ++ + ++ : + : 12th WOCS2 1/21/2015 3 vi SM ASIL ASIL ASILX = ASILX-1 + ASILA Copyright 2015 DNV GL All Rights Reserved.

4 10 01 01 A 01 X-1 02 01 X ASIL SM : Safety Mechanism 12th WOCS2 1/21/2015 4 i = + Copyright 2015 DNV GL All Rights Reserved. 11 ASIL X ASIL X SR ASIL 12th WOCS2 1/21/2015 4 ii ISO 26262 ASIL ISO 26262 ASIL Copyright 2015 DNV GL All Rights Reserved. 12 12th WOCS2 1/21/2015 4 iii Copyright 2015 DNV GL All Rights Reserved.

5 13 FSR001 FSR002 D D FSR003 FSR0031 NFSR003 D C(D) A(D) FSR0032 A(D) XX SM001 12th WOCS2 1/21/2015 4 iv Copyright 2015 DNV GL All Rights Reserved. 14 FSR ASIL NL description FSR001 ASILD XX XX XX IF FSR002 ASILD XX XX IF FSR003 ASILC(D) XX XX IF / IF003 FSR0031 ASILA(D) XX XX SM001 for IF003 FSR0032 ASILA(D) XX NFSR003 ASILD SM001 IF003 NFSR 12th WOCS2 1/21/2015 4 v ASIL Copyright 2015 DNV GL All Rights Reserved. 15 Sub-sys01 SYSXX Sub-sys02 ECU01 SENS01 mC01 eSW01 X X X X X X X 12th WOCS2 1/21/2015 4 vi ASIL Copyright 2015 DNV GL All Rights Reserved.

6 16 FSR001 FSR002 D FSR003 FSR0031 C(D) A(D) FSR0032 Sub-sys01 ECU01 SENS01 mC01 AS01 NFSR003 D 12th WOCS2 1/21/2015 4 vii 4 Copyright 2015 DNV GL All Rights Reserved. 17 (ELSD) (SCD) :ASIL (SRSD) : SG ,SM ,SS (SRAD) : (SG/SM/SS) SS : System State (SG/SM/SS) 12th WOCS2 1/21/2015 4 viii SRAD Copyright 2015 DNV GL All Rights Reserved. 18 SG-01 ITEM-01 SG-02 SS-01 SS-02 SM-01 SS-03 SM-02 SM-03 SM-04 SM-05 SM-06 SRAD-01 SRAD-02 SRAD-03 SRAD-04 SRAD-05 SRAD-06 12th WOCS2 1/21/2015 5 i / MUST Copyright 2015 DNV GL All Rights Reserved.

7 19 12th WOCS2 1/21/2015 5 ii 2014/09 Copyright 2015 DNV GL All Rights Reserved. 20