AUTOMOTIVE ENGINEERING |
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Vehicle steering and lane-changing behavior recognition based on a support vector machine |
YANG Diange, HE Changwei, LI Man, HE Qiguang |
State Key Laboratory of Automotive Safety and Energy, Department of Automotive Engineering, Tsinghua University, Beijing 100084, China |
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Abstract Driving behavior plays an important role in fuel consumption and safe driving. Thus, driving behavior recognition can improve driving safety and optimize energy use. This study presents a steering and lane-changing behavior recognition system based on the vehicle status obtained from a steering wheel angle sensor. A support vector machine linear classifier is then used to analyze the vehicle body transfer angle and maximum steering angle given by a moving direction vector model. Lagrange number multiplication and quadratic programming are used in an optimal classifier for recognizing steering and lane-changing behavior. Real vehicle tests show that this methodology has 98% accuracy for steering and lane-changing behavior recognition. This system can be integrated into a warning and control system to improve driving safety.
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Keywords
driving behavior
moving direction vector
support vector machine
optimal classification
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Issue Date: 15 October 2015
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