Paper Title:
Simultaneous Force and Temperature Sensor Using Small-Diameter FBGs
  Abstract

In order to decrease the influence on mechanical performance of smart composite, small diameter optical fibers are usually preferred as strain sensors. Therefore, fiber Bragg gratings in small diameter were manufactured. In applications, the FBG measures both strain (or force, pressure, displacement) and thermal expansion. In order to overcome this inconvenience and to measure both parameters at the same time and location, a simple temperature insensitive force sensor was proposed. A pair of small-diameter FBG was attached on a uniform strength beam. One of the FBG was affixed on the upper surface of the cantilever, and the other one on the bottom. The central wavelength shifts of the two FBGs are proportional to load value F and –F respectively. Therefore, coefficient matrix is well conditioned. The force and temperature in sensing point could be discriminated. Experiments were carried out to study the force and temperature cross sensitivity. Experimental results match the theoretical ones well. The temperature and force were calculated and the errors were 2% and 7% respectively.

  Info
Periodical
Edited by
Abdul Nassir bin Ibrahim, Meor Yusoff Meor Sulaiman, Wan Saffiey Wan Abdullah, Mohd Reusmaazran Yusof, Amry Amin Abas and Khairiah Mohd Yazid
Pages
274-279
DOI
10.4028/www.scientific.net/AMM.83.274
Citation
R. M. Liu, D. K. Liang, X. L. Hu, "Simultaneous Force and Temperature Sensor Using Small-Diameter FBGs", Applied Mechanics and Materials, Vol. 83, pp. 274-279, 2011
Online since
July 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Gheorghe Brezeanu, Florin Draghici, Marian Badila, Ion Rusu, Florin Bernea, Phillippe Godignon
Chapter 6: SiC Devices, Circuits and Systems
Abstract:A fully electrically isolated package for a SiC temperature sensor, able to work at high temperature, is presented in this paper. The adopted...
925
Authors: Mu Lan Wang, Yong Feng, Xiao Xia Li, Bao Sheng Wang
Chapter 4: Fluid Mechanics and Thermodynamics
Abstract:An experimental system used for temperature measurement is designed by the K-type thermocouple thermometry to achieve a direct measurement of...
594
Authors: Zhi Qiu Han
Chapter 11: Testing Technology and Equipment
Abstract:Electrical overheating and fire are multiple faults in power system, optical fiber temperature measurement technology is better than the...
1514
Authors: Xun Yu, Jing Bo Huang
Chapter 14: Novel Constructional Materials and Functional Materials
Abstract:Low temperature crack plays an important role on the road safety and comfort. Indoor experiments were carried out to study the crack...
3886