ISO 26262 Hazard and Risk Assessment for Hybrid Powertrain

ISO 26262 is an Automotive functional safety standard for Electrical and Electronic system. This paper details application of this standard for hybrid powertrain. The concept of functional safety has been analyzed. First item definition for hybrid powertrain is detailed out. Item definition includes system description, its function, boundary, interfaces to external systems. Hybrid powertrain is used to provide electric traction to the vehicle and to charge the included battery. Battery provides power to electric motor. Major components of hybrid powertrain are Generator, Traction motor, High voltage battery, Inverters and other auxiliary units. The overall powertrain scheme is being discussed from functional safety perspective. Then methods for identifying hazardous situations that could result from malfunctioning behavior at the vehicle level is presented. Each function is analyzed from hazard perspective and all hazards are identified. Identified Hazards are analyzed for different vehicle operating conditions and ASIL rating is identified for each hazard.

• Record URL:
  • https://doi.org/10.4271/2019-26-0107
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/01487191
• Supplemental Notes:
  • Abstract reprinted with permission of SAE International.
• Authors:
  • Kumar, Rajiv
• Conference:
  • Symposium on International Automotive Technology 2019
  • Location: Pune , India
  • Date: 2019-1-16 to 2019-1-18
• Publication Date: 2019-1-9

Language

• English

Media Info

• Media Type: Web
• Features: References;
• Serial:
  • SAE Technical Paper
  • Publisher: Society of Automotive Engineers (SAE)
  • ISSN: 0148-7191
  • EISSN: 2688-3627
  • Serial URL: http://papers.sae.org/

Subject/Index Terms

• TRT Terms: Battery chargers; Electric vehicles; Hybrid vehicles; Motors; Power trains; Risk assessment; Standards; Vehicle design; Vehicle safety
• Subject Areas: Design; Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 01696613
• Record Type: Publication
• Source Agency: SAE International
• Report/Paper Numbers: 2019-26-0107
• Files: TRIS, SAE
• Created Date: Feb 28 2019 9:39AM