Versatile microrobotics using simple modular subunits
The realization of reconfigurable modular microrobots could aid drug delivery and microsurgery by allowing a single system to navigate diverse environments and perform multiple tasks. So far, microrobotic systems are limited by insufficient versatility; for instance, helical shapes commonly used for...
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| Published in | Scientific reports Vol. 6; no. 1; p. 30472 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
London
Nature Publishing Group UK
28.07.2016
Nature Publishing Group |
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| Abstract | The realization of reconfigurable modular microrobots could aid drug delivery and microsurgery by allowing a single system to navigate diverse environments and perform multiple tasks. So far, microrobotic systems are limited by insufficient versatility; for instance, helical shapes commonly used for magnetic swimmers cannot effectively assemble and disassemble into different size and shapes. Here by using microswimmers with simple geometries constructed of spherical particles, we show how magnetohydrodynamics can be used to assemble and disassemble modular microrobots with different physical characteristics. We develop a mechanistic physical model that we use to improve assembly strategies. Furthermore, we experimentally demonstrate the feasibility of dynamically changing the physical properties of microswimmers through assembly and disassembly in a controlled fluidic environment. Finally, we show that different configurations have different swimming properties by examining swimming speed dependence on configuration size. |
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| AbstractList | The realization of reconfigurable modular microrobots could aid drug delivery and microsurgery by allowing a single system to navigate diverse environments and perform multiple tasks. So far, microrobotic systems are limited by insufficient versatility; for instance, helical shapes commonly used for magnetic swimmers cannot effectively assemble and disassemble into different size and shapes. Here by using microswimmers with simple geometries constructed of spherical particles, we show how magnetohydrodynamics can be used to assemble and disassemble modular microrobots with different physical characteristics. We develop a mechanistic physical model that we use to improve assembly strategies. Furthermore, we experimentally demonstrate the feasibility of dynamically changing the physical properties of microswimmers through assembly and disassembly in a controlled fluidic environment. Finally, we show that different configurations have different swimming properties by examining swimming speed dependence on configuration size. |
| ArticleNumber | 30472 |
| Author | Meshkati, Farshad Cheang, U Kei Kim, Hoyeon Lee, Kyoungwoo Kim, Min Jun Fu, Henry Chien |
| Author_xml | – sequence: 1 givenname: U Kei surname: Cheang fullname: Cheang, U Kei organization: Dept. of Mechanical Engineering & Mechanics, Drexel University – sequence: 2 givenname: Farshad surname: Meshkati fullname: Meshkati, Farshad organization: Dept. of Mechanical Engineering, University of Nevada, Reno – sequence: 3 givenname: Hoyeon surname: Kim fullname: Kim, Hoyeon organization: Dept. of Mechanical Engineering, Southern Methodist University – sequence: 4 givenname: Kyoungwoo surname: Lee fullname: Lee, Kyoungwoo organization: Dept. of Computer Science, Yonsei University – sequence: 5 givenname: Henry Chien surname: Fu fullname: Fu, Henry Chien email: Henry.Fu@utah.edu organization: Dept. of Mechanical Engineering, University of Utah – sequence: 6 givenname: Min Jun surname: Kim fullname: Kim, Min Jun email: mkim@coe.drexel.edu organization: Dept. of Mechanical Engineering, Southern Methodist University |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/27464852$$D View this record in MEDLINE/PubMed |
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| Title | Versatile microrobotics using simple modular subunits |
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