TY - JOUR
T1 - Identification of EMG-force system using the second-order Volterra model
AU - Xu, L. Y.
AU - Zhang, Y. T.
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 1996
Y1 - 1996
N2 - Conventional method to demodulate force signal from corresponding electromyographic (EMG) signal is to low-pass filter the rectified EMG signal. This method gives rise to a poor performance when voluntary muscle contraction level increases or decreases rapidly. In this work, the second-order Volterra model was adopted to represent the EMG/Force system and the nonlinear system identification method was used to obtain the system parameters or kernel. The EMG and muscle force data were obtained from human biceps during isometric voluntary contraction. The results of this work show that the second-order Volterra model provides a faster response in the transient phase and smaller error in the steady state than conventional linear low-pass filter models.
AB - Conventional method to demodulate force signal from corresponding electromyographic (EMG) signal is to low-pass filter the rectified EMG signal. This method gives rise to a poor performance when voluntary muscle contraction level increases or decreases rapidly. In this work, the second-order Volterra model was adopted to represent the EMG/Force system and the nonlinear system identification method was used to obtain the system parameters or kernel. The EMG and muscle force data were obtained from human biceps during isometric voluntary contraction. The results of this work show that the second-order Volterra model provides a faster response in the transient phase and smaller error in the steady state than conventional linear low-pass filter models.
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U2 - 10.1109/iembs.1996.651868
DO - 10.1109/iembs.1996.651868
M3 - RGC 21 - Publication in refereed journal
SN - 0589-1019
VL - 2
SP - 569
EP - 570
JO - Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) - Proceedings
JF - Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) - Proceedings
T2 - Proceedings of the 1996 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 2 (of 5)
Y2 - 31 October 1996 through 3 November 1996
ER -