2026-09-20T11:54:05Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/744392022-01-13T07:54:36Zcom_1721.1_7582com_1721.1_7581col_1721.1_131024
Anette E. Hosoi and Amos G. Winter, V.
Dorsch, Daniel Scott
Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2012-10-26T18:09:04Z
2012-10-26T18:09:04Z
2012
2012
http://hdl.handle.net/1721.1/74439
813143781
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 43).
This thesis reviews the design of a fluidized bed test setup for testing digging kinematics of RoboClam, a burrowing device based on Atlantic Razor Clams. This test bed allows for in-lab testing in an environment covered by water, eliminating the need to test in the mud flats where razor clams live. Between each RoboClam test, water is pumped through a distributor plate, which suspends and fluidizes the glass bead media, leading to redistribution of the substrate and unpacking. The new fluidized bed system has two key improvements over the current system. It improves the redistribution that is needed between each test to reset the substrate. Before each test it also unpacks the beads, which prevents packing over time created by the current vibration redistribution system that causes changes to the soil mechanics. This system will enable continued testing of the current RoboClam device and facilitate the development of the next generation burrowing device.
by Daniel Scott Dorsch.
S.B.
43 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
The design of a fluidized bed for testing of a robotic burrowing device which mimics razor clams
Thesis
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<Abstract>This thesis reviews the design of a fluidized bed test setup for testing digging kinematics of RoboClam, a burrowing device based on Atlantic Razor Clams. This test bed allows for in-lab testing in an environment covered by water, eliminating the need to test in the mud flats where razor clams live. Between each RoboClam test, water is pumped through a distributor plate, which suspends and fluidizes the glass bead media, leading to redistribution of the substrate and unpacking. The new fluidized bed system has two key improvements over the current system. It improves the redistribution that is needed between each test to reset the substrate. Before each test it also unpacks the beads, which prevents packing over time created by the current vibration redistribution system that causes changes to the soil mechanics. This system will enable continued testing of the current RoboClam device and facilitate the development of the next generation burrowing device.</Abstract>
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