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Preface and Conference Organization

A Long Cylindrical Optical Fiber Sensor Based on Multiple Total Internal Reflections in Heterodyne Interferometry
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A Novel RFID-Based Thermal Convection Inclinometer on Flexible Substrate without Grooved Structure
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A Survey on Localization Algorithms in Wireless Sensor Networks
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Design and Implementation of Middleware for Wireless Sensor Networks
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Design of Ammonia Nitrogen Sensor Based on LED and Photomultiplier
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Evaluation and Signal Conditioning of Piezoresistive Silicon Pressure Sensor
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FBG Concentration Chemical Sensor with Three Layer Structure
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Frequency Response of Longitudinal Magnetoelectric Effect in Piezoelectric-Magnetostrictive Clamping Structure Coupled through Normal Stress
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 530-531A Novel RFID-Based Thermal Convection Inclinometer...

A Novel RFID-Based Thermal Convection Inclinometer on Flexible Substrate without Grooved Structure

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Abstract:

This research proposes a novel wireless RFID-based thermal convection type inclinometer by using non-floating structure without a cavity in the substrate. Four new ideas are presented. The first one is to make the device on a flexible substrate, thus it can save more energy than the traditional silicon. The second one is to integrate both an inclinometer and a wireless RFID antenna on the same substrate, such that it is a wireless device and very convenient for usage. The third idea is to fill xenon gas in the chamber with hemi-spherical or hemi-cylindrical shape instead of the previous one with carbon dioxide and rectangular shape. Because the xenon gas would not produce oxidization effect to the heater, so it would be more reliable. The fourth idea is to use non-floating structure instead of the floating one. The results by using floating structure with xenon and CO₂ gases are studied the first; but the sensitivity performances are not good. Note that the sensitivities for the proposed non-floating structure by using hemi-spherical chamber filled with xenon and CO₂gases are better, and the one of the former is better than the latter by 70 %. On the other hand, the response speed (step-input of tilted angle) by using hemi-cylindrical chamber with xenon gas is the quickest, the average response time is 545μs, while the rectangular chamber filled with CO₂is the slowest, and the average response time is 848μs.

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Periodical:

Applied Mechanics and Materials (Volumes 530-531)

Pages:

7-14

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.530-531.7

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Online since:

February 2014

Authors:

Jium Ming Lin*, Cheng Hung Lin, Chia Hsien Lin

Keywords:

Flexible Substrate, Hemi-Spherical Shape, Inclinometer, Non-Floating Structure, RFID-Based, Thermal Convection

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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