Finger tapping measurement, (a) magnetic finger tapping system, (b) measurement posture, and sensing coils and simple linear motion, where : force of tapping, : velocity of tapping, : acceleration of tapping, and : mechanical impedance.
Typical finger tapping waveforms. A: maximum open position, B: tap position.
Estimated tapping dynamic model. (a) Maximum open position, (b) tap position.
Frequency response of A/V in maximum open position.
Frequency response of A/V in tap position.
Equivalent electrical circuit model. (a) Maximum open position, (b) tap position.
Estimated circuit parameters, (a) resistance of maximum open position, (b) spring constant of maximum open position, and (c) resistance of tap position.
Comparison of Hill model and tapping dynamic model.
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