This paper presents two biped designs for miniature climbing robots. The designs use under-actuation to satisfy space and weight constraints. In the first design, one actuator provides steering and another two propel the robot in a cartwheel style gait. The cartwheel gait is quite effective but space required for the maneuver precludes certain applications. The limitation is overcome in the second design, which uses under-actuation to provide two different forms of locomotion. It uses a crawling stride in confined environments and a faster pivoting gait in open environments. Such adaptability is achieved without increasing the number of actuators. Both robots have been built and have successfully demonstrated their mobility and maneuverability.
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June 2003
Technical Papers
Under-Actuated Kinematic Structures for Miniature Climbing Robots
Mark A. Minor, Assistant Professor, Mem. ASME,
Mark A. Minor, Assistant Professor, Mem. ASME
Department of Mechanical Engineering, University of Utah, Salt Lake City, UT 84112
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Ranjan Mukherjee, Associate Professor, Mem. ASME
Ranjan Mukherjee, Associate Professor, Mem. ASME
Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824
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Mark A. Minor, Assistant Professor, Mem. ASME
Department of Mechanical Engineering, University of Utah, Salt Lake City, UT 84112
Ranjan Mukherjee, Associate Professor, Mem. ASME
Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824
Contributed by the Mechanisms and Robotics Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received August 2001; revised September 2002. Associate Editor: G. S. Chirikjian.
J. Mech. Des. Jun 2003, 125(2): 281-291 (11 pages)
Published Online: June 11, 2003
Article history
Received:
August 1, 2001
Revised:
September 1, 2002
Online:
June 11, 2003
Citation
Minor, M. A., and Mukherjee, R. (June 11, 2003). "Under-Actuated Kinematic Structures for Miniature Climbing Robots ." ASME. J. Mech. Des. June 2003; 125(2): 281–291. https://doi.org/10.1115/1.1564075
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