Orient-2: a realtime wireless posture tracking system using local orientation estimation
Proceedings of the 4th workshop on Embedded networked sensors
BodyNets '09 Proceedings of the Fourth International Conference on Body Area Networks
Mobile Networks and Applications
From posture to motion: the challenge for real time wireless inertial motion capture
Proceedings of the Fifth International Conference on Body Area Networks
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This paper describes the application of the first fully wireless network of inertial sensors for full-body 3-D motion capture -- the Orient-2 system, to real-time on-body analysis of the golf swing. The golfer-club system is modelled as a double pendulum. The factors which affect the efficiency of the golf swing are outlined, such as the length of the back swing, the wrist-cock angle, swing plane and club-head speed and methods are described for monitoring them using a wireless network of Orient-2 specks. The implementation of the Speckled Golfer System is described and two motion rules are illustrated for executing efficient golf swings.