New Detection Technique for Timing of Contact and Noncontact of Athlete’s Foot with the Ground in Sports

Koichi Kurita

doi:10.20965/ijat.2011.p0232

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IJAT Vol.5 No.2 pp. 232-235

doi: 10.20965/ijat.2011.p0232

(2011)

Paper:

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New Detection Technique for Timing of Contact and Noncontact of Athlete’s Foot with the Ground in Sports

Koichi Kurita

Department of Electrical Engineering and Information Science, Kochi National College of Technology, 200-1 Monobe-otsu, Nankoku-shi, Kochi 783-8508, Japan

Received:

December 9, 2010

Accepted:

December 22, 2010

Published:

March 5, 2011

Keywords:

electrostatic induction, sports motion, current measurement, noncontact detection

Abstract

The effective noncontact strategy we developed analyzes motion in sports, for example, by measuring the current generated by changes in capacitance between an electrode and the athlet’s body, i.e., detecting subpicoampere-level electrostatic induction current flowing through an electrode 3 m from a subject. This occurrence model generates current based on changes in the body’s electric potential. This model effectively explains the induction current flowing through the electrode. This detects foot contact with the ground, e.g., during a baseball game, enabling us to quantitatively estimate contact timing.

Cite this article as:

K. Kurita, “New Detection Technique for Timing of Contact and Noncontact of Athlete’s Foot with the Ground in Sports,” Int. J. Automation Technol., Vol.5, No.2, pp. 232-235, 2011.

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References

[1] S. W. Barrentine, T. Matsuo, R. F. Escamilla, G. S. Fleisig, and J. R. Andrews, “Kinematic Analysis of the Wrist and Forearm during Baseball Pitching,” J. of Applied Biomechanics, Vol.14, Issue1, pp. 24-39, 1998.
[2] D. F. Stodden, G. S. Fleising, S. P. McLean, and J. R. Andrews, “Relationship of Biomechanical Factors to Baseball Pitching Velocity: within Pitcher Variation,” J. of Applied Biomechanics, Vol.21, Issue1, pp. 44-56, 2005.
[3] G. S. Fleisig, S. W. Barrentine, N. Zheng, R. F. Escamilla, and J. R. Andrews, “Kinematic and Kinetic Comparison of Baseball Pitching Among Various Levels of Development,” J. of Biomechanics, Vol.32, pp. 1371-1375, 1999.
[4] V. Amoruso, M. Helali, and F. Lattarulo, “An Improved Model of Man for ESD Application,” J. of Electrostatics, Vol.49, pp. 225-244, 2000.
[5] T. Ficker, “Electrification of Human Body by Walking,” J. of Electrostatics, Vol.64, pp. 10-16, 2006.
[6] A. Ohsawa, “Electrostatic Characterization of Antistatic Floors Using an Equivalent Circuit Model,” J. of Electrostatics, Vol.51-52, pp. 625-631, 2001.
[7] K. Kurita, “New Estimation Method for the Electric Potential of the Human Body under Perfect Noncontact Conditions,” Trans. on electrical and electronic engineering IEEJ Trans, Vol.4, pp. 309-311, 2009.

This article is published under a Creative Commons Attribution-NoDerivatives 4.0 Internationa License.

[1] [1] S. W. Barrentine, T. Matsuo, R. F. Escamilla, G. S. Fleisig, and J. R. Andrews, “Kinematic Analysis of the Wrist and Forearm during Baseball Pitching,” J. of Applied Biomechanics, Vol.14, Issue1, pp. 24-39, 1998.

[2] [2] D. F. Stodden, G. S. Fleising, S. P. McLean, and J. R. Andrews, “Relationship of Biomechanical Factors to Baseball Pitching Velocity: within Pitcher Variation,” J. of Applied Biomechanics, Vol.21, Issue1, pp. 44-56, 2005.

[3] [3] G. S. Fleisig, S. W. Barrentine, N. Zheng, R. F. Escamilla, and J. R. Andrews, “Kinematic and Kinetic Comparison of Baseball Pitching Among Various Levels of Development,” J. of Biomechanics, Vol.32, pp. 1371-1375, 1999.

[4] [4] V. Amoruso, M. Helali, and F. Lattarulo, “An Improved Model of Man for ESD Application,” J. of Electrostatics, Vol.49, pp. 225-244, 2000.

[5] [5] T. Ficker, “Electrification of Human Body by Walking,” J. of Electrostatics, Vol.64, pp. 10-16, 2006.

[6] [6] A. Ohsawa, “Electrostatic Characterization of Antistatic Floors Using an Equivalent Circuit Model,” J. of Electrostatics, Vol.51-52, pp. 625-631, 2001.

[7] [7] K. Kurita, “New Estimation Method for the Electric Potential of the Human Body under Perfect Noncontact Conditions,” Trans. on electrical and electronic engineering IEEJ Trans, Vol.4, pp. 309-311, 2009.