MATEC Web Conf.
Volume 139, 20172017 3rd International Conference on Mechanical, Electronic and Information Technology Engineering (ICMITE 2017)
|Number of page(s)||4|
|Published online||05 December 2017|
Research on vehicle speed detection technology based on micro-magnetoresistive sensing equipment
1 China Academy of Transportation Sciences, Beijing 100029, China
* Corresponding author: firstname.lastname@example.org
In order to effectively detect road traffic to achieve intelligent road traffic management, the vehicle speed detection algorithm based on micro-magnetoresistive sensing equipment was studied. A new pairwise differential eigenvalue vehicle speed calculation algorithm was proposed to solve the problem that selecting one eigenvalue on the magnetoresistive curve may be influenced by the actual condition that the data curves of the two sensors and the relative base voltage cannot be exactly the same. The results of the application on a certain expressway indicate that speed detection accuracy can be 95.4%, besides, both the integrity and the validity of the data can meet the requirements.
Key words: Road engineering; / Vehicle speed detection; / Pairwise differential eigenvalues; / Micro-magnetoresistive sensor
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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