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ISO 26262 Release Just Ahead: Remaining Problems and Proposals for Solutions
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 12, 2011 by SAE International in United States
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The release of ISO 26262 is only about three months after the 2011 World Congress. However, there are still some contentious aspects that can introduce challenges or cause a disproportionate effort. In this paper, we will show how to avoid these problems.
ISO 26262 provides a detailed method for classifying the Automotive Safely Integrity Level (ASIL) of in-vehicle electronic systems. However, the ASIL value for a specific function/product can vary significantly across the industry. Applying a lower level than the industry norm can cause substantial liability problems. Applying a higher level can initiate an “arms race” with competitors. This is particularly true if there are no vehicle-related reasons for choosing the higher level or if it doesn't make the product any safer. To encourage international harmonization, this paper will define ASIL classifications for the main automotive components.
Most functions/products are currently being developed using parts of existing products. These existing products haven't been formally designed according to ISO 26262, but they are covered by the “proven-in-use” approach of the standard, which is far beyond the state of the art. Consequently, this paper will also describe when a proven-in-use approach is necessary and when it can be replaced by other methods.
Qualifying tools can also cause a tremendous effort, since development organizations can use more than a thousand tools. Consequently, this paper will also describe how the number of tool qualifications can be limited by focusing on a detailed classification of tool use-cases.
CitationHamann, R., Kriso, S., Williams, K., Klarmann, J. et al., "ISO 26262 Release Just Ahead: Remaining Problems and Proposals for Solutions," SAE Technical Paper 2011-01-1000, 2011, https://doi.org/10.4271/2011-01-1000.
- ISO 26262 Baseline 19 International Organization for Standardization
- Hamann, R. Sauler, J. Kriso, S. Grote, W. Mossinger, J. “Application of ISO 26262 in Distributed Development - ISO 26262 in Reality,” SAE Technical Paper 2009-01-0758 2009 10.4271/2009-01-0758