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Accuracy of Powertrain Control Module (PCM) Event Data Recorders
Technical Paper
2008-01-0162
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The primary purpose of this paper is to evaluate the accuracy of speed data recorded in the Ford PCM under steady state conditions. The authors drove 3 different test vehicles at 5 different steady state speeds from 48 to 113 kph (30 to 70 mph), making 6 runs at each speed. The authors collected PCM data after each run. For the first vehicle a GPS based Racelogic VBOX III was used to measure speed. For the second and third vehicle a purpose built speed trap with .0001 second resolution was used. The authors compare the readings and calculated differences and statistical limits. The secondary purpose is to deliberately create conditions that could result in errors of speed measured, document the conditions, and to quantify the error.
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Citation
Ruth, R., West, O., Engle, J., and Reust, T., "Accuracy of Powertrain Control Module (PCM) Event Data Recorders," SAE Technical Paper 2008-01-0162, 2008, https://doi.org/10.4271/2008-01-0162.Also In
References
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