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Bicycle Riding-State Recognition Using 3-Axis Accelerometer  

Choi, Jung-Hwan (Department of Healthcare Engineering, Chonbuk National University)
Yang, Yoon-Seok (Division of Biomedical Engineering, Chonbuk National University)
Ru, Mun-Ho (Division of Biomedical Engineering, Chonbuk National University)
Publication Information
Abstract
A bicycle is different from vehicles in the structure that a rider is fully exposed to the surrounding environment. Therefore, it needs to make use of prior information about local weather, air quality, trail road condition. Moreover, since it depends on human power for moving, it should acquire route property such as hill slope, winding, and road surface to improve its efficiency in everyday use. Recent mobile applications which are to be used during bicycle riding let us aware of the necessity of development of intelligent bicycles. This study aims to develop a riding state (up-hill, down-hill, accelerating, braking) recognition algorithm using a low-power wrist watch type embedded system which has 3-axis accelerometer and wireless communication capability. The developed algorithm was applied to 19 experimental riding data and showed more than 95% of correct recognition over 83.3% of the total dataset. The altitude and temperature sensor also in the embedded system mounted on the bicycle is being used to improve the accuracy of the algorithm. The developed riding state recognition algorithm is expected to be a platform technology for intelligent bicycle interface system.
Keywords
smart bicycle; 3-axis accelerometer; riding and track information; bicycle interface;
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Times Cited By KSCI : 2  (Citation Analysis)
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