Comparative study of different output metrics for a three-weakly-coupled-resonator sensor

Zhao, Chun, Wood, Graham, Xie, Jianbing, Chang, Honglong, Pu, Suan-Hui and Kraft, Michael (2015) Comparative study of different output metrics for a three-weakly-coupled-resonator sensor. 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS) 2015, Anchorage, United States. 21 - 25 Jun 2015. 4 pp . (doi:10.1109/TRANSDUCERS.2015.7181396).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper, for the first time, investigates the characteristics of different output metrics for a three degree-of-freedom (DoF) coupled resonator sensor. The main aspects examined are sensitivity and linear range. It is shown from theoretical estimations, equivalent RLC circuit model simulations and electrical measurements that using the vibration amplitude ratio as an output signal provides improved sensitivity and linearity range, compared to other methods such as shift in eigenstate, mode frequency or amplitude difference.

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e-pub ahead of print date: 21 June 2015

Published date: 6 August 2015

Venue - Dates: 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS) 2015, Anchorage, United States, 2015-06-21 - 2015-06-25

Organisations: Nanoelectronics and Nanotechnology, Mechatronics, Engineering Science Unit