A Case Study of Toyota Unintended Acceleration and Software Safety

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Oct 3, 2014:  updated with video of the lecture

Here is my case study talk on the Toyota unintended acceleration cases that have been in the news and the courts the past few years.

The talk summary is below and embedded slides are below.  Additional pointers:
(Please see end of post for video download and copyright info.)

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A Case Study of Toyota Unintended Acceleration and Software Safety 

Abstract:
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.

Bio:
Prof. Philip Koopman has served as a Plaintiff expert witness on numerous cases in Toyota Unintended Acceleration litigation, and testified in the 2013 Bookout trial.  Dr. Koopman is a member of the ECE faculty at Carnegie Mellon University, where he has worked in the broad areas of wearable computers, software robustness, embedded networking, dependable embedded computer systems, and autonomous vehicle safety. Previously, he was a submarine officer in the US Navy, an embedded CPU architect for Harris Semiconductor, and an embedded system researcher at United Technologies.  He is a senior member of IEEE, senior member of the ACM, and a member of IFIP WG 10.4 on Dependable Computing and Fault Tolerance. He has affiliations with the Carnegie Mellon Institute for Software Research (ISR) and the National Robotics Engineering Center (NREC).

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I am getting an increasing number of requests to do this talk in person, both as a keynote speaker and for internal corporate audiences. Audiences tell me that while the video is nice, an in-person experience of both the presentation and small-group follow-up discussions has a lot more impact for organizations who need help in coming to terms with creating high quality software and safety critical systems. If you are interested please get in touch for details: koopman@cmu.edu

Other info:
  • Download copy of full-resolution video file set of talk, Box.com 340 MB .zip file of a web directory with interactive split-screen viewing format. Experts only!  Please do not ask me for support -- it works for me but I don't have any details about this format beyond saying to unzip it and open Default.html in a web browser.)
  • Mirror of full resolution video talk download (dropbox.com of same files as on box.com)
  • One or more of these download sites might be blocked by company networks, so if you get an error message please try both links at home.  If they still don't work, send me an e-mail and I'll see what I can do.
  • Download medium-bit-rate 720p video from CMU server (.mp4; 124MB)
All materials (slides & video) are licensed under Creative Commons Attribution BY v. 4.0.
Please include "Prof. Philip Koopman, Carnegie Mellon University" as the attribution.
If you are planning on using the materials in a course or similar, I would appreciate it if you let me know so I can track adoption.  If you need a variation from the CC BY 4.0 license (for example, to incorporate materials in a situation that is at odds with the license terms) please contact me and it can usually be arranged.

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Download Slides

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