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Open AccessArticle

Development of a Dung Beetle Robot and Investigation of Its Dung-Rolling Behavior

Mechanical Engineering, National Taiwan University, Taipei 10617, Taiwan
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Inventions 2018, 3(2), 22; https://doi.org/10.3390/inventions3020022
Received: 27 February 2018 / Revised: 3 April 2018 / Accepted: 4 April 2018 / Published: 10 April 2018
(This article belongs to the Special Issue Selected Papers from ICI2017 and Spintech Thesis Awards)
In this study, a bio-inspired dung beetle robot was developed that emulated the dung rolling motion of the dung beetle. Dung beetles, which can roll objects up to 1000 times their own body weight, are one of the strongest insect species in the world. While the locomotion of many insects, such as cockroaches, inchworms, and butterflies, has been studied widely, the locomotion of dung beetles has rarely been given attention. Here, we report on the development of a dung beetle robot made specifically to investigate dung-rolling behavior and to determine and understand the underlying mechanism. Two versions of the robot were built, and the leg trajectories were carefully designed based on kinematic analysis. Cylinder and ball rolling experiments were conducted, and the results showed that the dung beetle robot could successfully and reliably roll objects. This further suggests that the dung beetle robot, with its current morphology, is capable of reliably rolling dung without the need for complex control strategies. View Full-Text
Keywords: dung beetle; robot; dung rolling; bio-inspiration dung beetle; robot; dung rolling; bio-inspiration
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MDPI and ACS Style

Wang, J.-W.; Chiang, Y.-S.; Chen, J.; Hsu, H.-H. Development of a Dung Beetle Robot and Investigation of Its Dung-Rolling Behavior. Inventions 2018, 3, 22.

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