TY - GEN
T1 - Estimation of Elastic and Viscous Torque at Ankle Joint Using Time-Varying Elastic Coefficient Model During Passive Plantar/Dorsiflexion
AU - Takai, Hiroto
AU - Yashiro, Daisuke
AU - Komada, Satoshi
AU - Yubai, Kazuhiro
AU - Takeda, Kotaro
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - The relationship between the ankle joint angle and the ankle joint torque during passive motion can be represented by a model using a time-varying elastic modulus. However, the current method assumes the viscosity term to be zero, resulting in modeling errors when the ankle joint is in passive motion at high angular velocities. To address this issue, this study adds a viscous term to the model. The validity of the proposed model is confirmed by the close match between the elastic torque obtained by subtracting the estimated viscous torque from the viscoelastic torque under experimental conditions with varying angular velocities.
AB - The relationship between the ankle joint angle and the ankle joint torque during passive motion can be represented by a model using a time-varying elastic modulus. However, the current method assumes the viscosity term to be zero, resulting in modeling errors when the ankle joint is in passive motion at high angular velocities. To address this issue, this study adds a viscous term to the model. The validity of the proposed model is confirmed by the close match between the elastic torque obtained by subtracting the estimated viscous torque from the viscoelastic torque under experimental conditions with varying angular velocities.
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U2 - 10.1109/IECON51785.2023.10312242
DO - 10.1109/IECON51785.2023.10312242
M3 - Conference contribution
AN - SCOPUS:85179520369
T3 - IECON Proceedings (Industrial Electronics Conference)
BT - IECON 2023 - 49th Annual Conference of the IEEE Industrial Electronics Society
PB - IEEE Computer Society
T2 - 49th Annual Conference of the IEEE Industrial Electronics Society, IECON 2023
Y2 - 16 October 2023 through 19 October 2023
ER -