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Vehicle acceleration estimation using smartphone-based sensors

dc.contributor.authorBruwer, F. J.
dc.contributor.authorBooysen, Marthinus J.
dc.date.accessioned2015-07-03T08:09:25Z
dc.date.available2015-07-03T08:09:25Z
dc.identifier.urihttp://hdl.handle.net/10019.1/97193
dc.description34th Annual Southern African Transport Conference SATC 2015 - Theme - Transport: Working together to deliver – ‘SAKHA SONKE', 6 to 9 July 2015, CSIR International Convention Centre, Pretoria, South Africa .en_ZA
dc.descriptionThe original proceedings are available at http://repository.up.ac.za/handle/2263/5201en_ZA
dc.description.abstractRecent advances in smartphone technology, including motion sensing and wireless communications, have resulted in these devices being used for vehicle-based driver behaviour sensing applications, replacing existing bespoke vehicle-based solutions. Acceleration is normally used as the primary indicator for recklessness. Despite the many benefits of using a smartphone to determine vehicle acceleration, the mobility of the phone relative to the vehicle, and the vehicle relative to the earth, causes the earth's gravitational force to obscure the true vehicle acceleration as perceived by the phone. The design and test results in this paper demonstrate how quaternions and an unscented Kalman filter can be used to remove the gravitational vector from the sensed acceleration, which enables reckless driving detection.en_ZA
dc.language.isoen_ZAen_ZA
dc.subjectVehicle-based driver behaviour sensingen_ZA
dc.subjectDetermine vehicle accelerationen_ZA
dc.subjectReckless driving detectionen_ZA
dc.titleVehicle acceleration estimation using smartphone-based sensorsen_ZA
dc.typeConference Paperen_ZA


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