Impact of Functional Safety on EMC: ISO 26262

Paper #:
  • 2013-01-0178

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-0178
Citation:
Kado, R., Nelson, J., and Taylor, W., "Impact of Functional Safety on EMC: ISO 26262," SAE Technical Paper 2013-01-0178, 2013, https://doi.org/10.4271/2013-01-0178.
Pages:
9
Abstract:
The complexity of both hardware and software has increased significantly in automotive over the past decade. This is apparent even in the compact passenger car market segment where the presence of electronic control units (ECU) has nearly tripled. In today's luxury vehicles, software can reach 100 million lines of code and are only projected to increase. Without preventive measures, the risk of safety-related system malfunction becomes unacceptably too high.The functional safety standard ISO 26262, released as first edition in 2011, provides crucial safety-related requirements for passenger vehicles. Although the standard defines the proper development for safety-related systems to ensure the avoidance of a hazard, it's implication for electromagnetic compatibility (EMC) is not clearly defined. This paper outlines the impact of ISO 26262 for EMC related issues, and discusses the standard's implications for EMC requirements on the present EMC practices for production vehicles.
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