Vehicle detection using three‐axis AMR sensors deployed along travel lane markings
Vehicle detection using three‐axis AMR sensors deployed along travel lane markings
A vehicle detection method is developed based on three‐axis anisotropic magneto resistive (AMR) sensors along travel lane markings. The method integrates multiple algorithms and uses different geomagnetic waveforms which are disturbed by vehicles passing a single AMR sensor. This method comprehensively analyses X ‐, Y ‐, and Z ‐axis information and applies a double‐window algorithm to extract a single vehicle waveform. The vehicle mixed algorithm (VMA) is developed to differentiate vehicles driving by the AMR sensor simultaneously and determine vehicle flow rates. In addition, the vehicle motion‐state discrimination algorithm (VMSDA) is developed to distinguish the vehicle operating status (i.e. driving on the left lane, the lane line, or the right lane). The field experimental tests verified the effectiveness of the both algorithms. Results indicate that the average accuracy rates of VMA and VMSDA can, respectively, be up to 98.0 and 96.4%.
Document information
Vehicle detection using three‐axis AMR sensors deployed along travel lane markings
IET Intelligent Transport Systems ; 11 , 9 ; 581-587
2017-11-01
7 pages
Article (Journal)
Electronic Resource
English
vehicle motion state discrimination algorithm , vehicle operating status , object detection , motion estimation , VMSDA , single vehicle waveform , vehicle detection method , vehicle mixed algorithm , traffic engineering computing , travel lane markings , double‐window algorithm , three‐axis AMR sensors , road vehicles , single AMR sensor , different geomagnetic waveforms
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