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Design and Fabrication of a New Micro-Injector Driven by Piezoelectric Actuator
Wu, Z.; Ieong, L.S.; Xu, Q.
2017-07-01
Source PublicationProceedings of The 2nd International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS2017)
AbstractThis paper presents the design, fabrication and testing of a micro-injector for precision injection of biological cells. Based on the specifications on travel range and injection speed, a single-axis translational motion mechanism is designed by using flexure mechanisms for precision motion guiding of the micro-injector. The mechanism parameters are designed and optimized to cater for the requirements on injection performance. The mechanism performance is verified by conducting finite element analysis simulations. A prototype micro-injector actuated by a piezoelectric stack actuator is developed for experimental testing. A feedback controller is implemented to guarantee the positioning accuracy and response speed. Experiment results reveal the satisfactory performance of the developed micro-injector.
KeywordMicroinjector flexure mechanism piezoelectric actuator mechanism design
Language英語English
The Source to ArticlePB_Publication
PUB ID31284
Fulltext Access
Document TypeConference paper
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorXu, Q.
Recommended Citation
GB/T 7714
Wu, Z.,Ieong, L.S.,Xu, Q.. Design and Fabrication of a New Micro-Injector Driven by Piezoelectric Actuator[C],2017.
APA Wu, Z.,Ieong, L.S.,&Xu, Q..(2017).Design and Fabrication of a New Micro-Injector Driven by Piezoelectric Actuator.Proceedings of The 2nd International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS2017).
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