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Realization of an Automated Microassembly Task Involving Micro Adhesive Bonding
Fu-Dong Li; De Xu; Zheng-Tao Zhang; Ya-Li Shi
Source PublicationInternational Journal of Automation and Computing
2013-12
Volume10Issue:6Pages:545-551
Abstract
An automated approach is proposed for a microassembly task, which is to insert a 10 um diameter glass tube into a 12um diameter hole in a silicon substrate, and bond them ogether with ultraviolet (UV) curable adhesive. Two three-degree-of-freedom micromanipulators are used to move the glass tube and the dispensing needle, respectively. Visual feedback is provided by an optical microscope. The angle of the microscope axis is precisely calibrated using an autofocus strategy. Robust image segmentation method and feature extraction algorithm are developed to obtain the features of the hole, the glass tube and the dispensing needle. Visual servo control is employed to achieve accurate aligning for the tube and the hole. Automated adhesive dispensing is used to bond the glass tube and the silicon substrate together after the insertion. On-line monitoring ensures that the iameter of the adhesive spot is within a desired range. Experimental results demonstrate the e®ectiveness of the proposed strategy.
KeywordMicro Adhesive Bonding Microassembly Visual Servo Control Image Segmentation Feature Extraction
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15419
Collection精密感知与控制研究中心_精密感知与控制
AffiliationResearch Center of Precision Sensing and Control, Institute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Fu-Dong Li,De Xu,Zheng-Tao Zhang,et al. Realization of an Automated Microassembly Task Involving Micro Adhesive Bonding[J]. International Journal of Automation and Computing,2013,10(6):545-551.
APA Fu-Dong Li,De Xu,Zheng-Tao Zhang,&Ya-Li Shi.(2013).Realization of an Automated Microassembly Task Involving Micro Adhesive Bonding.International Journal of Automation and Computing,10(6),545-551.
MLA Fu-Dong Li,et al."Realization of an Automated Microassembly Task Involving Micro Adhesive Bonding".International Journal of Automation and Computing 10.6(2013):545-551.
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