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Electronics 2016, 5(2), 19; doi:10.3390/electronics5020019

Universal Safety Distance Alert Device for Road Vehicles

1
Plastika Virant d.o.o., SI-1293 Šmarje-Sap, Slovenia
2
Faculty of Mechanical Engineering, University of Ljubljana, SI-1000 Ljubljana, Slovenia
*
Author to whom correspondence should be addressed.
Academic Editors: Steven Johnston and Simon J. Cox
Received: 25 January 2016 / Revised: 12 April 2016 / Accepted: 26 April 2016 / Published: 29 April 2016
(This article belongs to the Special Issue Raspberry Pi Technology)
View Full-Text   |   Download PDF [4356 KB, uploaded 29 April 2016]   |  

Abstract

Driving with too short of a safety distance is a common problem in road traffic, often with traffic accidents as a consequence. Research has identified a lack of vehicle-mountable devices for alerting the drivers of trailing vehicles about keeping a sufficient safe distance. The principal requirements for such a device were defined. A conceptual study was performed in order to select the components for the integration of the device. Based on the results of this study, a working prototype of a flexible, self-contained device was designed, built and tested. The device is intended to be mounted on the rear of a vehicle. It uses radar as the primary distance sensor, assisted with a GPS receiver for velocity measurement. A Raspberry Pi single-board computer is used for data acquisition and processing. The alerts are shown on an LED-matrix display mounted on the rear of the host vehicle. The device software is written in Python and provides automatic operation without requiring any user intervention. The tests have shown that the device is usable on almost any motor vehicle and performs reliably in simulated and real traffic. The open issues and possibilities for future improvements are presented in the Discussion. View Full-Text
Keywords: safety distance; traffic; vehicle; sensor; radar; Raspberry Pi safety distance; traffic; vehicle; sensor; radar; Raspberry Pi
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Virant, M.; Ambrož, M. Universal Safety Distance Alert Device for Road Vehicles. Electronics 2016, 5, 19.

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