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Design and Quasi-Static Locomotion Analysis of the Rolling Disk Biped Hybrid Robot

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3 Author(s)
Phipps, C.C. ; Evans & Sutherland Comput. Corp., Salt Lake City, UT ; Shores, B.E. ; Minor, M.A.

Motivated by the need for greater speed, efficiency, and adaptability in climbing and walking robots, we have developed a bipedal planar robot that complements its walking and climbing capabilities with rolling. Rolling capabilities are provided by an innovative morphology, without the need for additional resources beyond those required by walking and climbing. Herein, we present the design of this robot, the development of a quasi-static rolling controller, and a comparison of experimentally obtained speed and energy data for walking versus rolling locomotion. We show that rolling can significantly improve energy efficiency over walking-as much as a factor of 5.5. We also demonstrate the ability to roll up slopes and roll over obstacles.

Published in:

Robotics, IEEE Transactions on  (Volume:24 ,  Issue: 6 )