Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/17604
Title: Force Sensing and Control in Micromanipulation
Authors: LU ZHE
Keywords: micromanipulation, micro-force sensing and control, flexure stage design, micro-surface topography, microassembly, automatic microinjection
Issue Date: 29-Sep-2007
Source: LU ZHE (2007-09-29). Force Sensing and Control in Micromanipulation. ScholarBank@NUS Repository.
Abstract: In this work, the applicability of micro-force sensing and control in micromanipulation is investigated. A survey of the general field of micromanipulation reveals that the full potential of the micro-force signal has yet to be extensively utilized in current micromanipulation technology. Three experimental solutions are developed to resolve three problems on micro-force sensing and control. The first problem concerns the study on whether micro-force sensing alone could be used to provide useful information in micromanipulation. The experimental solution demonstrates that micro-force sensing can be used to facilitate characterization tasks (such as in determination of micro-surface topography and mechanical properties) in micromanipulation. The second problem concerns the improvement of position-based manipulation techniques through utilization of information obtained by force measurement. The experimental solution demonstrates the use of micro-force as a feedback to augment position control. The third problem concerns the applicability of direct force control in micromanipulation. The experimental solution shows that the direct force control represents an effective alternative to position-based force control in micro-assembly. Implementation of direct force control is needed in micromanipulation.
URI: http://scholarbank.nus.edu.sg/handle/10635/17604
Appears in Collections:Ph.D Theses (Open)

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