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Car collision warning system based on RTK GPS.
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geoinformatik och Geodesi. (Geodesi)ORCID iD: 0000-0003-0382-9183
2008 (English)In: FIG Working Week 2008 - Integrating Generations and FIG/UN-HABITAT Seminar – Improving Slum Conditions through Innovative Financing / [ed] Stig Enemark, 2008Conference paper (Refereed)
Abstract [en]

Many serious traffic accidents happen when a car drives over to the opposite lane. Aneffective way to prevent such accidents is to mount a barrier between opposite drivingdirections in form of cable fence. This is a quite expensive solution, which is not applicableon all roads. Therefore it is desirable to find alternative methods.One possible alternative is to use GPS, namely a RTK method (Real Time Kinematics), whichis capable to deliver sufficiently accurate position to compute if the car drives in correct laneand if the distance to the road edge is safe. The basic concept of the warning system is toplace the actual position of the car into a precise road model and to compute if the car isoutside or on its way out of the correct lane. If so, the system will warn the driver.This paper describes a prototype of such a warning system. The system was tested on 10 kmlong road section. The car performed 38 intentional manoeuvres that should trigger alarm.The evaluation of the tests was done visually, using video sequence synchronised with thegraphical output from the warning system. 32 manoeuvres were correctly alarmed by thesystem. The system issued 32 false alarms during 40 minutes driving. However, most of themhad only short duration, less than 0.2 s.

Place, publisher, year, edition, pages
Keyword [en]
RTK, GPS, road safety, Kalman filter
National Category
Other Civil Engineering
URN: urn:nbn:se:kth:diva-72752OAI: diva2:488039
FIG Working Week 2008
Krock och avkörningssäker väg – varningssystem baserat på RTK-GPS.
QC 20120207Available from: 2012-02-01 Created: 2012-02-01 Last updated: 2012-02-07Bibliographically approved

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