Lobsters use their antennae to navigate among obstacles along the ocean floor. Effective ambulation requires that the lobster, or a biomimetic lobster robot whose behavior is patterned after a real lobster, must distinguish between antenna bending due to contact and bending due to flow. The analysis presented here shows that the key feature appears to be the taper of the antennae. The curvature of a tapered antenna due to an end-load is nearly constant whereas the curvature distribution due to flow is nearly a quadratic function of the arc-length measured from the tip of the antenna.
Large Deflection Analysis of a Biomimetic Lobster Robot Antenna due to Contact and Flow
Contributed by the Applied Mechanics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF APPLIED MECHANICS. Manuscript received by the ASME Applied Mechanics Division, Nov. 6, 2000; final revision, June 12, 2001. Associate Editor: R. C. Benson.
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Barnes , T. G., Truong , T. Q., Adams , G. G., and McGruer , N. E. (June 12, 2001). "Large Deflection Analysis of a Biomimetic Lobster Robot Antenna due to Contact and Flow ." ASME. J. Appl. Mech. November 2001; 68(6): 948–951. https://doi.org/10.1115/1.1406955
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