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Journal article
Versatile microrobotics using simple modular subunits
Scientific reports, v 6(1), 30472
28 Jul 2016
PMID: 27464852
Featured in Collection : UN Sustainable Development Goals @ Drexel
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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Details
- Title
- Versatile microrobotics using simple modular subunits
- Creators
- U. Kei Cheang - Drexel UniversityFarshad Meshkati - University of Nevada, RenoHoyeon Kim - Southern Methodist UniversityKyoungwoo Lee - Yonsei UniversityHenry Chien Fu - University of UtahMin Jun Kim - Southern Methodist University
- Publication Details
- Scientific reports, v 6(1), 30472
- Publisher
- Springer Nature
- Number of pages
- 10
- Grant note
- 10052980 / Korea Evaluation Institute of Industrial Technology (KEIT) - the Ministry of Trade, Industry, and Energy (MOTIE) DMR 1306794; DMR 1307497; CMMI-1435652 / National Science Foundation; National Science Foundation (NSF) National Science Foundation Graduate Research Fellowship (NSF-GRF); National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000380726800001
- Scopus ID
- 2-s2.0-84979895747
- Other Identifier
- 991019173590304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Applied