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Creators/Authors contains: "Yang, Je-han"

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  1. ; ; (, IEEE Robotics and Automation Letters)
    Full Text Available 
  2. ; ; ; (, IEEE International Conference on Robotics and Automation)
    Due to high impact forces and low duty cycles, monopedal jumping robots are particularly susceptible to failure from a slipping foot. Spines provide a solution to reduce slip, but there has been little research on how to effectively engage them into a surface with a dynamic jumping robot. Previous robots utilizing spines operate in different regimes of surface approach speed and cycle time. For a penetrable substrate, spines must be directed into the surface at suitable holding angles, then extracted before the foot leaves the ground. We accomplished this by designing a gripper mechanism for the robot Salto that pushes in angled spines along their length and is kinematically constrained to engage/disengage with leg crouch/extension. The resulting mechanism introduces no new actuators, enables jumping on penetrable inclines up to 60 degrees and enables static adhesion to hold 7.5 times the robot’s weight from a ceiling. 
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    Accepted Manuscript Full Text Available