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http://dx.doi.org/10.15207/JKCS.2017.8.11.049

Development of a force measurement device for curling sweeping with load cells  

Lee, Sangcheol (Korea Institute of Sport Science)
Kim, Taewhan (Korea Institute of Sport Science)
Kil, Sekee (Korea Institute of Sport Science)
Choi, Sanghyup (Korea University)
Publication Information
Journal of the Korea Convergence Society / v.8, no.11, 2017 , pp. 49-56 More about this Journal
Abstract
Curling sweeping is one of important motion to control the position of the curling stone, and sweeping speed and applied force to the broom pad are major research subjects. In this study, a device was developed to measure the force applied to the curling broom pad in curling sweeping motion, and two load cells were mounted between the broom pad and pad holder. Analog signals generated from the load cells were sampled about 300 times per second using a micro controller, and then converted to 10-bit digital signals. Calibration of the load cell and set up of regression equations to convert the measured electrical signals into mass (force) was done by three M1 class weights, and the developed system was designed as wearable device to minimize increasing of total weight of the broom. Same force was applied to the developed system and a force plate that was using as a reference force measurement system in field of sports, and the difference between the measured values were showed about $0.909{\pm}1.375N$(mean and standard deviation). The developed system could be applied other kinds of study which required force measurement function similar to sweeping motion.
Keywords
Curing sweeping; applied force to the broom pad; load cell; micro controller; regression equation;
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