NDLI: An enhanced force and contact position sensor for micro-manipulations

Content Provider	Springer Nature Link
Author	Phung, Tri Cong Ha, Seung Hwa Ihn, Yong Seok Choi, Byung June Lee, Sang Moo Koo, Ja Choon Choi, Hyouk Ryeol
Copyright Year	2009
Abstract	In micro-manipulations, force sensing devices play an important role in the control and the assembly of micro-objects. To protect these micro-objects from damage, we must have the ability to detect the value of the minute amount of interactive force (about a few μN) upon contact between the tip and the object. To detect this micro-force, we need an optimized design of force sensor to increase the strain values at the positions we place sensing components. Stress concentration can effectively amplify the strain values measured by the force sensors. This paper investigates the effect that the notches have on increasing the strain values at the positions we attach the sensing elements. In addition, the optimal design with a flexible structure improves the sensitivity of the sensor. An algorithm that can calculate both contact force and contact position on the sensor tip is also mentioned. Besides, an optimal location of strain gauges will ensure the accuracy and stability of the measurement. Finally, analysis and experiment are done to verify the proposed idea.
Starting Page	459
Ending Page	467
Page Count	9
File Format	PDF
ISSN	15986446
Journal	International Journal of Control, Automation and Systems
Volume Number	7
Issue Number	3
Language	English
Publisher	Institute of Control, Robotics and Systems and The Korean Institute of Electrical Engineers
Publisher Date	2009-05-30
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Contact force contact position optimal location strain gauges stress concentration Control Robotics Mechatronics
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Computer Science Applications

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