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Mobile manipulation of humanoid robots-optimal posture for generating large force based on statics

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4 Author(s)
Yoshida, H. ; Dept. of Syst. & Human Sci., Osaka Univ., Toyonaka, Japan ; Inoue, K. ; Arai, T. ; Mae, Y.

The optimal posture of a humanoid robot for generating large desired force at its hands is discussed. The robot is required to stand stably and to support the force and its weight under the constraint of maximum joint torques. Furthermore, it is important to keep the robot controllable against sudden change in the force. From this point of view, an evaluation function for the task with large force based on statics is proposed; we focus on Jacobian matrices of two arms and legs to give the robot adaptability to force change. Then the method of obtaining the optimal posture, footholds and joint torques of the robot is described. Effectiveness of the method are verified through computer simulations

Published in:

Robotics and Automation, 2002. Proceedings. ICRA '02. IEEE International Conference on  (Volume:3 )

Date of Conference:

2002