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http://dx.doi.org/10.6109/jkiice.2017.21.1.8

Detection of Rotations in Jump Rope using Complementary Filter  

Yoo, Byeong-Hyeon (Department of Electronic Engineering, Dong-eui University)
Heo, Gyeongyong (Department of Electronic Engineering, Dong-eui University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.21, no.1, 2017 , pp. 8-16 More about this Journal
Abstract
There are various methods to count the number of repetitive motions such as jump rope. Most of the methods use features extracted from the time-varying waves of acceleration or angular velocity, which is the main feature in the count of rotations in jump rope. However, there exist several variables and it is not easy to find the count with a single sensor. For example, accelerometer is susceptible to noise and vibration, and the angular velocity may cause a drift phenomenon, which is the main cause of the inaccurate count of jump rope rotation. In this paper, complementary filter is used to consider two sensors simultaneously and complement each other, which results in more accurate count in jump rope rotation. The proposed method can count the exact number of jump rope rotation compared to other existing methods only using one sensor value, which is confirmed through experimental results.
Keywords
Acceleration; Angular velocity; Complementary filter; Rotation motion;
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