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https://doi.org/10.1088/0960-1317/20/3/035001
Title: | Force-controlled automatic microassembly of tissue engineering scaffolds | Authors: | Zhao, G. Teo, C.L. Hutmacher, D.W. Burdet, E. |
Issue Date: | 2010 | Citation: | Zhao, G., Teo, C.L., Hutmacher, D.W., Burdet, E. (2010). Force-controlled automatic microassembly of tissue engineering scaffolds. Journal of Micromechanics and Microengineering 20 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/0960-1317/20/3/035001 | Abstract: | This paper presents an automated system for 3D assembly of tissue engineering (TE) scaffolds made from biocompatible microscopic building blocks with relatively large fabrication error. It focuses on the pin-into-hole force control developed for this demanding microassembly task. A beam-like gripper with integrated force sensing at a 3 mN resolution with a 500 mN measuring range is designed, and is used to implement an admittance force-controlled insertion using commercial precision stages. Visual-based alignment followed by an insertion is complemented by a haptic exploration strategy using force and position information. The system demonstrates fully automated construction of TE scaffolds with 50 microparts whose dimension error is larger than 5%. © 2010 IOP Publishing Ltd. | Source Title: | Journal of Micromechanics and Microengineering | URI: | http://scholarbank.nus.edu.sg/handle/10635/60356 | ISSN: | 09601317 | DOI: | 10.1088/0960-1317/20/3/035001 |
Appears in Collections: | Staff Publications |
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