This paper presents the novel design of a bioinspired robot capable of generating spatial loading relative to its base. By looking to nature at how animals utilize their tails, a bioinspired structure is developed that utilizes a redundant serial chain of rigid links to mimic the continuous deformation of a biological tail. Individual links are connected by universal joints to enable a spatial robot workspace capable of generating spatial loading comprised of pitch, yaw, and roll direction contributions. Two sets of three cables are used to create two actuated segments along the robot. A dynamic model of the robot is derived using prescribed cable displacement trajectories as inputs to determine the resulting joint angle trajectories and cable tensions. Sensors are integrated on-board the robot to calculate joint angles and joint velocities in real-time for use in feedback control. The loading capabilities of the robot are analyzed, and an experimental prototype is integrated and demonstrated.
Design, Modeling, and Integration of a Flexible Universal Spatial Robotic Tail
Contributed by the Mechanisms and Robotics Committee of ASME for publication in the JOURNAL OF MECHANISMS AND ROBOTICS. Manuscript received October 24, 2017; final manuscript received February 21, 2018; published online April 5, 2018. Assoc. Editor: Leila Notash.
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Rone, W. S., Saab, W., and Ben-Tzvi, P. (April 5, 2018). "Design, Modeling, and Integration of a Flexible Universal Spatial Robotic Tail." ASME. J. Mechanisms Robotics. August 2018; 10(4): 041001. https://doi.org/10.1115/1.4039500
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