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DUMB BOX GOT SMARTER.(Sensing and Diagnostic Modules)(Brief Article)
Byline: Bob Gritzinger
When it comes to today's fairly complex Event Data Recorders, you can blame airbags for getting the ball rolling. Back in the mid-1970s General Motors first began installing EDR-precursor SDMs, aka Sensing and Diagnostic Modules, on cars fitted with the earliest airbags. The SDMs recorded post-crash data only-performance of the airbag and the severity of the crash as measured in gs-so that engineers could download the data and use it to make smarter airbags.
"It was set up strictly to record data for safety and research purposes,'' says Jim Schell, GM safety engineering spokesman. "That data can be invaluable.''
Little changed for the next decade or so, and then in 1992 GM fitted 70 open-wheel Indy race cars with SDMs. They were far more sophisticated crash data recorders but still only capable of recording post-crash information. While the post-crash data proved useful to those trying to make racing safer, ...
- California protects 'black box' auto-crash data from disclosure.
- Magazine article from: Trial Moen, Christian Harlan December 1, 2003 700+ words
...the lead in privacy protection relating to event data recorders (EDR)--sometimes referred to as sensing and diagnostic modules (SDM). While many citizens don't even know the devices exist in vehicles, the information EDRs record has...
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...moving to the family automobile: Though less sophisticated, nine different 1999 General Motors cars feature "black box" crash-data recording capability. The 1999 models scheduled to be fitted with the new system include the Buick Century, Park Avenue...
- Updated crash data guideline released.(Industry news)
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...background information on www.mmucc.us. MMUCC is a voluntary guideline that helps states collect consistent, reliable crash data. This data is used for identifying traffic safety problems, establishing goals and performance measures, monitoring the...
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...and report unsafe driving practices. TRUTH DETECTOR Documenting driver digressions is the most controversial application of crash-data recorders. For example, recorder data can easily reveal whether a driver was speeding or braking before an accident. Although...
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- News wire article from: Detroit Free Press (Detroit, MI) March 21, 2007 700+ words
...automatically." Of OnStar's 4.5 million subscribers, about 1.5 million carry the electronics needed for advanced crash data, and OnStar officials said every new OnStar-equipped model will have the technology by 2009. To work, the system requires...
Source: HighBeam Research, DUMB BOX GOT SMARTER.(Sensing and Diagnostic Modules)(Brief Article)