功能安全分解与成本优化 汽车电子咖啡厅

Failure Mode
Unwanted lock during Vehicle Movement
5
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Agenda
Introduction of HELLA Shanghai FUSA Design Cost Analysis Functional Safety Design Method for cost saving
• Lighting
- Technical Service - Sales Support
Service
• Battery
equipment for commercial vehicles, e.g. buses, caravans, heavy duty machinery with lighting and electronics
Functional Safety Design Method for Cost Saving
2017-03-05
Present by Jun JIANG from HELLA
2014-05
Agenda
Introduction of HELLA Shanghai FUSA Design Cost Analysis Functional Safety Design Method for cost saving
• Decomposition
• Requirement Assignment • Platform strategy
Summary
9
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Decomposition
ASIL D
• Airport Lighting
Steering
Network
• Logistics
Service
• Tools
3
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
HELLA China Business Division – Electronics
• Decomposition
• Requirement Assignment • Platform strategy
Summary
2
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
HELLA Group Overview
HELLA Globe Functional Safety Overview
Hella process „ ready for functional safety“ HP-GE569
Start with process 2003/4 Release 1 HP-GBiblioteka Baidu 569 2008 Patch according ISO DIS 26262 2010 Patch according ISO 26262 2011
- Parts - Tools
• Workshop
Diagnostic & Vehicle Data
• Air
• Driver Assistance - Accessories
Concepts - Services - Information
• Local Branch
Electronics
Conditioning Service
Aftermarket
Independent Aftermarket
• Parts
Special Applications
Workshop Equipment
• Vehicle
Electronics
• Body Electronics • Energy
Wholesale
• Full Range
Special Original Equipment
Example #1 - ESCL
Function Description
• Trigger • Driver go out the vehicle • Condition • Vehicle standstill • Action • Lock ESCL
12
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Operation Cost
7
Disposal Cost
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Design Cost Description
Management Cost BOM Cost Development Cost Test Equipment Cost …
Example #1 - ESCL
Failure Mode
Unwanted lock during drive
ASIL
ASIL D
Safety Goal
Avoid unwanted lock during drive
Safe State
Unlocked
FTT
30ms (Reference to SAE paper from Delphi)
Complexity Effort Capability
8
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Agenda
Introduction of HELLA Shanghai FUSA Design Cost Analysis Functional Safety Design Method for cost saving
ASIL D ASIL C (D) ASIL A (D)
ASIL D ASIL D (D) QM (D)
ASIL D
ASIL B (D)
ASIL B (D)
ASIL C
ASIL C ASIL C (C) QM (C)
ASIL C
ASIL B (C)
ASIL A (C)
ASIL B
ASIL B ASIL B (B) QM (B)
ASIL A/B
< 30 projects Each product segment affected, (Body, DAS, Energy, Components, Lighting, After Market, NonAutomotive)
1999
IEC 61508 is defined as „state of the art“ for Electric, Electronic And Programmable Electronic devices Automotive OEMs interpret IEC only for stationary electronics -------------------------------------------------------Focus on special functions or ECUs like ABS
ASIL B
ASIL A (B)
ASIL A (B)
ASIL A
ASIL A
ASIL A (A)
QM (A)
10
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Requirement in ISO 26262
11
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Electrical Power Steering
Energy Management
Body Electronics
Driver Assistance Systems
Sensors
Actuators
4
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
• Decomposition
• Requirement Assignment • Platform strategy
Summary
6
Prepared by Jun Jiang from Shanghai Hella Electronics Co., LTD
Cost
Design Cost
Manufacturing Cost Cost
coming from
ASIL C/D
ASIL C/D
ASIL C/D
ASIL A/B
< 5 projects PQ 35; BCM 2 2004
< 15 projects ECU UP30; DMTR, EPS, STAR, CAPE, ASIL A/B APS, TAS/TOS 2009 ISO DIS 26262 Published ------------------------OEMs start with Project requirements according to ISO
• Original
Industries
• Street Lighting • Interior Lighting • Industry Lighting
- Wear Parts - Spare Parts
• Tools • Services
Management Systems
• Sensors • Actuators • Electric Power
• Partner of the automotive industry and the aftermarket for over 100 years • Global family-owned company with more than 100 locations in over 35 countries • Sales of € 5.8 billion FY 2014/2015 • Approx. 32,000 employees worldwide, thereof over 6,000 in Research & Development
ISO CD 26262 Published --------------------------------OEMs start with pilot Project implementing partly requirements of the ISO standard
2011 2013 Released version is Dedicated A mandatory Cybersecurity Safety standard for automotive products ----------------------------------OEMs require complete implementation of ISO in Projects; Several OEM e.g. VW, Audi, BMW,Renault, PSA, GM developed internal guidelines
• One of the top 40 automotive suppliers in the world and one of the 100 largest German industrial companies
Business Segments Automotive
Lighting
• Headlamps • Rear Lamps • Small Lamps • Interior Lighting • Lighting
„Avoiding of accidents is not only an order of the law but is also a command of the human obligation and economic rationality“ Werner von Siemens, 1880 < 3 projects with Safety relevance e.g. ABS ECU;Velocity control