Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/96747
Title: Simulation based design of disk resonator biosensors under fabrication uncertainty
Authors: Heidari, Amir
Yoon, Yong-Jin
Son, Hungsun
Choi, Hae-Jin
Keywords: DRNTU::Engineering::Mechanical engineering::Machine design and construction
Issue Date: 2012
Source: Heidari, A., Yoon, Y.-J., Son, H., & Choi, H.-J. (2012). Simulation based design of disk resonator biosensors under fabrication uncertainty. Journal of mechanical design, 134(4), 041005-.
Series/Report no.: Journal of mechanical design
Abstract: A high performance and cost effective biosensor is designed using a radial contour-mode disk resonator (RCDR). This sensor measures tiny biological mass attached on a disk vibrating at a high frequency, producing high quality of output signal. A series of analysis and simulation models is developed to predict the mass sensitivity, dynamic stability, and motional resistance of the RCDR biosensor with given geometry and signal input. In order to decrease motional resistance while keeping the fabrication cost low, a layer of dielectric material is deposited within the capacitor gap. In designing the RCDR biosensors, we employ Type I, II, and III robust design approach to design a device that is insensitive to various types of uncertainty associated with the fabrication processes and analysis models. A mathematical construct, error margin index, is employed for this robust design. Traditional optimization and robust design approaches are separately formulated, solved, and compared. From the design results, we observe that the RCDR is a promising bio-sensing device compared to the existing ones.
URI: https://hdl.handle.net/10356/96747
http://hdl.handle.net/10220/18149
DOI: 10.1115/1.4006144
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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