Development of a Mole-like Drilling Robot System for Shallow Drilling

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Drilling systems are widely used today for various purposes, but in harsh environments, such as the Arctic or space, it is hard to utilize these conventional systems because they require large amounts of equipment and labor. Various research projects have attempted to resolve this issue, but they are still in development stages owing to poor drilling performance. To solve this problem, we exploit the digging habits of the mole that is one of the representative animals living underground. In this paper, we propose the excavation mechanism for an embedded drilling robot, including cutting removal and balancing in the hole, which is inspired by a type of a mole known as the African mole-rat. To find the rate of penetration (ROP) trends of the proposed drilling system, simple drilling experiments are performed on autoclaved lightweight concrete blocks with a drill bit that imitates the polycrystalline diamond compact bit. The maximum ROP is obtained with the experiments and finite-element modeling simulations.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-12
Language
English
Article Type
Article
Citation

IEEE ACCESS, v.6, pp.76454 - 76463

ISSN
2169-3536
DOI
10.1109/ACCESS.2018.2884495
URI
http://hdl.handle.net/10203/250147
Appears in Collection
CE-Journal Papers(저널논문)EE-Journal Papers(저널논문)
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