Background. This article presents a method for describing the dynamic performance of multilegged robots. It involves examining how well the legged system uses ground contact to produce acceleration of its body; these abilities are referred to as its force and acceleration capabilities. These capabilities are bounded by actuator torque limits and the no-slip condition. Method of Approach. The approach followed here is based on the dynamic capability equations, which are extended to consider frictional ground contact as well as the changes in degrees-of-freedom that occurs as the robot goes into and out of contact with the ground. Results. The analysis describes the maximum translational and rotational accelerations of the main-body that are guaranteed to be achievable in every direction without causing slipping at the contact points or saturating an actuator. Conclusion. This analysis provides a description of the mobility and agility of legged robots. The method is illustrated using a hexapod as an example.
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e-mail: abowling@nd.edu
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December 2006
Technical Papers
Dynamic Performance, Mobility, and Agility of Multilegged Robots
Alan P. Bowling
Alan P. Bowling
Department of Aerospace and Mechanical Engineering,
e-mail: abowling@nd.edu
University of Notre Dame
, Notre Dame, IN 46556-0539
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Alan P. Bowling
Department of Aerospace and Mechanical Engineering,
University of Notre Dame
, Notre Dame, IN 46556-0539e-mail: abowling@nd.edu
J. Dyn. Sys., Meas., Control. Dec 2006, 128(4): 765-777 (13 pages)
Published Online: October 12, 2005
Article history
Received:
August 3, 2004
Revised:
October 12, 2005
Citation
Bowling, A. P. (October 12, 2005). "Dynamic Performance, Mobility, and Agility of Multilegged Robots." ASME. J. Dyn. Sys., Meas., Control. December 2006; 128(4): 765–777. https://doi.org/10.1115/1.2229252
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