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JRM Vol.19 No.3 pp. 272-280
doi: 10.20965/jrm.2007.p0272
(2007)

Paper:

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Experimental Stiffness Measurement of WL-16RII Biped Walking Vehicle During Walking Operation

Yusuke Sugahara*, Giuseppe Carbone**, Kenji Hashimoto***,
Marco Ceccarelli**, Hun-Ok Lim*,****,
and Atsuo Takanishi*,***,*****

*Advanced Research Institute for Science and Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 169-8555, Japan

**Laboratory of Robotics and Mechatronics, DiMSAT, University of Cassino, Via Di Biasio 43, 03043 Cassino (FR), Italy

***Graduate School of Science and Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 169-8555, Japan

****Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama-shi, Kanagawa 221-8686, Japan

*****School of Science and Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 169-8555, Japan

Received:
April 26, 2007
Accepted:
April 26, 2007
Published:
June 20, 2007
Creative Commons License
Keywords:
walking robots, experimental robotics, biped robots, parallel mechanisms, stiffness analysis
Abstract
This paper describes an experimental method for evaluating the stiffness of a biped walking robot. A reliable procedure is proposed as based on a simplified version of Milli-CaTraSys (Milli Cassino Tracking System) with three wire encoders and two six-axis force-torque sensors. This measures both applied wrench and resulting compliant displacements. Experiments conducted on a prototype of the biped walking vehicle WL-16RII (Waseda Leg - No. 16 Refined II) under different dynamic conditions provided useful information for both design and control.
Cite this article as:
Y. Sugahara, G. Carbone, K. Hashimoto, M. Ceccarelli, H. Lim, and A. Takanishi, “Experimental Stiffness Measurement of WL-16RII Biped Walking Vehicle During Walking Operation,” J. Robot. Mechatron., Vol.19 No.3, pp. 272-280, 2007.
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