TY - GEN
T1 - An identification procedure for rate-dependent friction laws of robotic manipulator with limited motion range
AU - Iwatani, Masayoshi
AU - Kikuuwe, Ryo
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/9/8
Y1 - 2015/9/8
N2 - This paper proposes an identification procedure for rate-dependent friction of robotic manipulators of which the motion is limited due to the configuration or the environment. The procedure is characterized by following three features: (i) the function for the curve fitting is defined by linear interpolation and extrapolation of sampled velocity-force pair points, (ii) each joint is controlled by high gain PID position controller of some cycles of sinusoidal desired trajectory with different frequencies, and (iii) the velocity-force pairs are obtained from each cycle with subtracting the effect of the gravity and the inertia. The procedure was validated with an industrial robotic manipulator YASKAWA MOTOMAN-HP3J, which has six harmonic-drive joints of the reduction ratios of 81.5 to 224. The experimental results show that the procedure has achieved a sufficient accuracy with the 20 degrees of motion of each joint.
AB - This paper proposes an identification procedure for rate-dependent friction of robotic manipulators of which the motion is limited due to the configuration or the environment. The procedure is characterized by following three features: (i) the function for the curve fitting is defined by linear interpolation and extrapolation of sampled velocity-force pair points, (ii) each joint is controlled by high gain PID position controller of some cycles of sinusoidal desired trajectory with different frequencies, and (iii) the velocity-force pairs are obtained from each cycle with subtracting the effect of the gravity and the inertia. The procedure was validated with an industrial robotic manipulator YASKAWA MOTOMAN-HP3J, which has six harmonic-drive joints of the reduction ratios of 81.5 to 224. The experimental results show that the procedure has achieved a sufficient accuracy with the 20 degrees of motion of each joint.
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U2 - 10.1109/ASCC.2015.7244818
DO - 10.1109/ASCC.2015.7244818
M3 - Conference contribution
AN - SCOPUS:84957663025
T3 - 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015
BT - 2015 10th Asian Control Conference
A2 - Selamat, Hazlina
A2 - Ramli, Hafiz Rashidi Haruna
A2 - Faudzi, Ahmad Athif Mohd
A2 - Rahman, Ribhan Zafira Abdul
A2 - Ishak, Asnor Juraiza
A2 - Soh, Azura Che
A2 - Ahmad, Siti Anom
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 10th Asian Control Conference, ASCC 2015
Y2 - 31 May 2015 through 3 June 2015
ER -