Links for 2015-01-16

  • A Case Study of Toyota Unintended Acceleration and Software Safety

    I drive a Toyota, and this is scary stuff. Critical software systems need to be coded with care, and this isn’t it — they don’t even have a bug tracking system!

    Investigations into potential causes of Unintended Acceleration (UA) for Toyota vehicles have made news several times in the past few years. Some blame has been placed on floor mats and sticky throttle pedals. But, a jury trial verdict was based on expert opinions that defects in Toyota’s Electronic Throttle Control System (ETCS) software and safety architecture caused a fatal mishap.  This talk will outline key events in the still-ongoing Toyota UA litigation process, and pull together the technical issues that were discovered by NASA and other experts. The results paint a picture that should inform future designers of safety critical software in automobiles and other systems.

    (tags: toyota safety realtime coding etcs throttle-control nasa code-review embedded)

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