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Analysis of Vehicle GPS and Derived Speed Data from BMW NBT Evo Systems Acquired with Berla iVe
Technical Paper
2021-01-0906
ISSN: 0148-7191, e-ISSN: 2688-3627
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Event:
SAE WCX Digital Summit
Language:
English
Abstract
Many late-model BMW vehicles are equipped with an NBT Evo infotainment system. This system is seen in BMW vehicles in all global markets. Like infotainment systems from other manufacturers, this system records data elements that can prove to be key evidence to investigators of vehicular incidents. This system records timestamped tracklogs that consist of GPS coordinates paired with date/time data. These tracklog points, however, are not recorded in regular intervals. Testing of an instrumented BMW 430i was conducted in and around the Bruntingthorpe Proving Grounds in the United Kingdom. The test vehicle was instrumented with a Racelogic Video VBOX Pro. Data from the instrumentation was compared to the data acquired from the BMW by the iVe Ecosystem from Berla Corporation. The accuracy of the GPS coordinates recorded in the BMW tracklogs was determined by computing the distance between the recorded BMW data and the reference instrumentation data. The derived speeds computed in iVe from the GPS tracklog data were also examined in comparison to the speed data from the VBOX instrumentation.
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Citation
Vandiver, W. and Anderson, R., "Analysis of Vehicle GPS and Derived Speed Data from BMW NBT Evo Systems Acquired with Berla iVe," SAE Technical Paper 2021-01-0906, 2021, https://doi.org/10.4271/2021-01-0906.Data Sets - Support Documents
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References
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- http://www.racelogic.co.uk/_downloads/vbox/Datasheets/Data_Loggers/VVB-Pro_DATA.pdf
- September 2017
- January 2020
- https://mathworld.wolfram.com/GreatCircle.html