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Sensors 2011, 11(1), 661-673; doi:10.3390/s110100661

Ultrasonic Sensors in Urban Traffic Driving-Aid Systems

1
Control Engineering Group, University of Cantabria, Avda. Los Castros s/n, 39005 Santander, Spain
2
AUTOPIA Program at Center for Automation and Robotics (CAR, UPM-CSIC), 28500 Arganda del Rey, Madrid, Spain
*
Author to whom correspondence should be addressed.
Received: 17 November 2010 / Revised: 13 December 2010 / Accepted: 16 December 2010 / Published: 11 January 2011
(This article belongs to the Section Physical Sensors)
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Abstract

Currently, vehicles are often equipped with active safety systems to reduce the risk of accidents, most of which occur in urban environments. The most prominent include Antilock Braking Systems (ABS), Traction Control and Stability Control. All these systems use different kinds of sensors to constantly monitor the conditions of the vehicle, and act in an emergency. In this paper the use of ultrasonic sensors in active safety systems for urban traffic is proposed, and the advantages and disadvantages when compared to other sensors are discussed. Adaptive Cruise Control (ACC) for urban traffic based on ultrasounds is presented as an application example. The proposed system has been implemented in a fully-automated prototype vehicle and has been tested under real traffic conditions. The results confirm the good performance of ultrasonic sensors in these systems.
Keywords: ultrasonic sensors; signal processing; active safety; artificial intelligence ultrasonic sensors; signal processing; active safety; artificial intelligence
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Alonso, L.; Milanés, V.; Torre-Ferrero, C.; Godoy, J.; Oria, J.P.; De Pedro, T. Ultrasonic Sensors in Urban Traffic Driving-Aid Systems. Sensors 2011, 11, 661-673.

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