What’s in the automotive standard, how to implement it, and what to watch out for.
Increasing layers of electronics and software are being added to vehicles, from infotainment to engine, brakes, and various sensors for ADAS and autonomous driving.
To address the increasing use of electronics in automobiles, the ISO 26262 Functional Safety for Road Vehicles standard was developed. This standard is intended to ensure that the electronics are designed to specified levels in order to minimize the chance of failure; to ensure they fail safe when incidents do occur; and that errors can be traced through documentation. Defined under ISO 26262, ASIL-D (or Automotive Safety Integrity Level D) is a risk classification established by performing a risk analysis of a potential hazard. The risk analysis reviews the severity, exposure and controllability of the vehicle operation scenario in the presence of the potential hazard. The safety goal for that hazard drives the ASIL requirements.
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