USDOT calls in help to study sudden acceleration
by Wally Northway
Published: March 30,2010
U.S. Transportation Secretary Ray LaHood has announced two major investigations designed to answer questions surrounding the issue of unintended vehicle acceleration.
The National Academy of Sciences will examine the broad subject of unintended acceleration and electronic vehicle controls across the entire automotive industry. Separately, the National Highway Traffic Safety Administration (NHTSA) has enlisted NASA engineers with expertise in areas such as computer controlled electronic systems, electromagnetic interference and software integrity to help tackle the issue of unintended vehicle acceleration in Toyotas.
“We are determined to get to the bottom of unintended acceleration,” said LaHood. “For the safety of the American driving public, we must do everything possible to understand what is happening. And, that is why we are tapping the best minds around.”
Secretary LaHood has also asked the U.S. Department of Transportation Inspector General (IG) to review whether NHTSA’s Office of Defect Investigation (ODI) has the necessary resources and systems to identify and address safety defects as it moves forward.
The National Academy of Sciences’ National Research Council will examine the broad subject of unintended acceleration and electronic vehicle controls across the entire industry over the course of 15 months. This will not be limited to Toyota, but will cover all manufacturers. A panel of experts will review industry and government efforts to identify possible sources of unintended acceleration, including electronic vehicle controls, human error, mechanical failure and interference with accelerator systems. The experts will look at software, computer hardware design, electromagnetic compatibility and electromagnetic interference. The panel will make recommendations to NHTSA on how its rulemaking, research and defect investigation activities may help ensure the safety of electronic control systems in motor vehicles.
The NHTSA review of the electronic throttle control systems in Toyotas is to be completed by late summer. NHTSA has brought in NASA engineers and other experts in subjects such as electromagnetic compatibility as part of a shorter-term review of the systems used in Toyota vehicles to determine whether they contain any possible flaws that would warrant a defect investigation. NASA’s expertise in electronics, hardware, software, hazard analysis and complex problem solving ensures this review will be comprehensive. Currently there are nine experts from NASA assisting NHTSA, and additional personnel will join the team if needed.
Both studies will be peer reviewed by scientific experts. The total cost of the two studies is expected to come to approximately $3 million, including the cost of purchasing cars that have allegedly experienced unintended acceleration to be studied.
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