Chapter
Jul 3, 2013
Vehicle Steering Angle Estimation Using Off-the-Shelf Sensor Technologies
Authors: Jie Ma [email protected], Zilong Wang [email protected], Xiao Lin [email protected], Pei Wang [email protected], and Duanfeng Chu [email protected]Author Affiliations
Publication: ICTIS 2013: Improving Multimodal Transportation Systems-Information, Safety, and Integration
Abstract
Steering maneuvers determine the lateral stability of a running vehicle and are considered an important indication of driving performance. To effectively measure the steering wheel angle, we propose an estimation approach by using a built-in smartphone tri-axis gyroscope. First, coordinate transition was applied to the angle velocity about the Z-axis of the phone to calculate the vehicle yaw rate. A linear regression method was then used for the modeling of correlations between the resulting yaw rate and the steering angle. Comprehensive experiments show that the steering angle can be well approximated through the angle velocity when the angle remains within a specified range. In addition, sudden changes of angle can be viewed as occurrences of abnormal driving behaviors. This study shows that off-the-shelf sensor technologies provide a cheap and portable solution for driving behavior monitoring.
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© 2013 American Society of Civil Engineers.
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Published online: Jul 3, 2013
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Assistant Researcher, ITS Research Center, Wuhan University of Technology & Engineering Research Center for Transportation Safety, Ministry of Education, Heping Avenue #1040, Wuhan, Hubei, 430063. E-mail: [email protected]
Engineer, Engineering Research Institute, China Automotive Technology & Research Center, East Xianfeng Road #68, Dongli District, Tianjin, China, 300300. E-mail: [email protected]
Master Degree Candidate, ITS Research Center, Wuhan University of Technology & Engineering Research Center for Transportation Safety, Ministry of Education, Heping Avenue #1040, Wuhan, Hubei, 430063. E-mail: [email protected]
Engineer, Wuhan Kotei Informatics Co., Ltd, Software Park Middle Road, East Lake Hi-Tech Development Zone, Wuhan, Hubei, 430073. E-mail: [email protected]
Assistant Researcher, ITS Research Center, Wuhan University of Technology & Engineering Research Center for Transportation Safety, Ministry of Education, Heping Avenue #1040, Wuhan, Hubei, 430063. E-mail: [email protected]
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