Sports Engineering

, Volume 13, Issue 2, pp 95–104 | Cite as

Bowling ball dynamics revealed by miniature wireless MEMS inertial measurement unit

  • Kevin King
  • N. C. Perkins
  • Hugh Churchill
  • Ryan McGinnis
  • Ryan Doss
  • Ron Hickland
Original Article

Abstract

This paper presents a novel sensor technology to deduce the dynamics of a bowling ball. The sensor, a miniature wireless inertial measurement unit (IMU), incorporates MEMS accelerometers and angular rate gyros, a microcontroller, a low power RF transceiver, and a rechargeable battery. When embedded in a bowling ball, the IMU transmits the acceleration and angular velocity data that define the dynamics of the ball starting with the bowler’s delivery and its motion in the lane. Example results from professional bowlers illustrate how this technology can be used to assess bowler skill and ball performance. For instance, the IMU accurately measures the spin dynamics of the ball which are crucial to develop the ball “hook.” An analysis of ball dynamics in the lane is distilled to a measurable “hook potential” metric for further assessing bowler skill. Finally, the sensor presented herein is believed to be the world’s smallest, wireless IMU. This highly miniaturized and wireless design will enable parallel training systems for many sports, including basketball, baseball, crew, cricket, golf, fly fishing, soccer, softball, tennis, rowing, among others.

Keywords

Tenpin bowling Sports training Dynamics Inertial Sensors 

Notes

Acknowledgments

The authors wish to acknowledge the research support provided by Ebonite International and the earlier contributions of Mr. Darren Goldenberg to our project.

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© International Sports Engineering Association 2010

Authors and Affiliations

  • Kevin King
    • 1
  • N. C. Perkins
    • 1
  • Hugh Churchill
    • 1
  • Ryan McGinnis
    • 1
  • Ryan Doss
    • 1
  • Ron Hickland
    • 2
  1. 1.Mechanical EngineeringUniversity of MichiganAnn ArborUSA
  2. 2.Ebonite InternationalHopkinsvilleUSA

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