机械科学与技术2018，Vol.37Issue(5)：736-741,6.DOI:10.13433/j.cnki.1003-8728.2018.0513
深水监测用光纤光栅内封式悬臂梁力传感器
Deep-water Force Sensor of Cantilever Inside Packaged Fiber Bragg Gratings
摘要
Abstract
The cantilever is widely used in fiber Bragg grating (FBG) sensors for its excellent mechanics response characteristics.However,the FBGs are packaged in the most existing cantilever surfaces ofcantilever sensors.These sensors cannot survive in the deep water without high-pressure resistance and sea-water corrosion resistance.The new FBG sensor with cantilever structure is developed to monitor the force under the deep water.In order to resist the corrosion and pressure,the FBG was packaged inside the cantilever that is made by anticorrosion material.It is shown that it works properly at a pressure of 30 MPa,pressure sensitivity of-3.79 pm/MPa,force sensitivity of 2.79 pm/N and temperature sensitivity of 30.93 pm/℃.The wavelength change is well linearly to the temperature and pressure change,and all linearly dependent coefficients are higher than 0.99.The further environmental compensation is feasible.According to the computer simulations,test results and sensitivity analysis,the error from the package craft and test conditions is obtained.关键词
光纤布拉格光栅/悬臂梁/封装/深水/灵敏度/仿真Key words
sensors/cantilever/fiber bragg grating/deep water/sensitivity analysis/computer simulation分类
信息技术与安全科学引用本文复制引用
徐健,杜波波,姜亚军,杨德兴..深水监测用光纤光栅内封式悬臂梁力传感器[J].机械科学与技术,2018,37(5):736-741,6.基金项目
国家科技重大专项项目(2011ZX05026-001-06)与航空科学基金项目(2016ZD53039)资助 （2011ZX05026-001-06）
