探讨了光纤应变传感器的埋入工艺研究,重点探讨改进型金属保护座埋入工艺研究。
The embedding technology study of fiber optic strain sensor has been probed, and the emphasis is the modified packed embedding technology.
介绍了耦合型光纤应变传感器的工作原理,分析了耦合型光纤应变传感器的设计和应用于汽车动态称重的方案。
The design of coupling fiber-optic strain sensor was presented in the paper, and the scheme of coupling fiber-optic strain sensor used in vehicle dynamic weighting was discussed at the same time.
评估了光纤传感器作为完整的结构部件在恶劣的环境条件下,进行长期或短期应变监测的可行性。
We assess the feasibility of fiber optic sensors as structurally integrated components for short and long-term strain monitoring under rough environmental conditions.
分析了适用于动态应变测量的光纤光栅传感器所应满足的条件,并进行了相关实验。
Analyzed the conditions applying for the dynamic strain measurement of fiber grating sensor, and did some correlative experiments.
介绍了一种基于光纤布拉格光栅(FBG)应变敏感特性的金属锈蚀传感器。
By using the strain-sensitive characteristics of fiber Bragg gratings(FBG), a metal corrosion sensor is proposed and demonstrated in this paper.
智能夹层中光纤法珀腔传感器的应变与载荷之间具有良好的线性关系。
The experimental results present that the strain of optic fiber Fabry-Perot sensor is better linear with loading of bending beam.
将光纤传感器埋入混凝土结构中,对结构内部的应力应变进行监测,从而保证结构的健康状况。
Embedded the optic fiber sensor in the concrete structure to measure the stress and strain in the structure to assure the concrete structure's safety, it is the smart concrete structure.
证明了一种自动温度补偿高灵敏光纤光栅应变传感器。
A high sensitive fiber Bragg grating (FBG) strain sensor with automatic temperature compensation is demonstrated.
光纤微弯传感器是一种强度调制式光纤传感器,它是利用光纤的微弯损耗效应来测量压力、温度、加速度、应变、流量等环境参量的变化。
It utilized the microbend loss resulting from optical fiber bending to measure the change of environmental parameters, such as pressure, temperature, acceleration, strain and flow.
模量匹配光纤光栅应变传感器与其它类型传感器相比具有较好的测试效果,同时该类型传感器在一定程度上能够反映出沥青混合料的累积变形。
Compared with other kinds of sensors, module matching FBG has a better test effect, and this kind of FBG is able to reflect the accumulative deformation of asphalt mixture to some extent.
现阶段投入使用的光纤布拉格光栅传感器主要利用的是其轴向应力、应变特性。
Now the FBG sensors in operation mostly make use of its sensing characteristics of axial stress and strain.
详细研究了两种基体材料上钢管封装的光纤光栅应变传感器的应变灵敏度系数。
And the strain sensitivity coefficients are studied in detail when sticking the mental tube packaged FBG sensors on two materials.
研究了粘贴式光纤布拉格光栅应变传感器对柔性梁的动态响应特性,并用压电陶瓷加速度传感器作对照。
Dynamic strain of flexible beam was measured by pasted FBG strain sensor, and the results were compared with that by acceleration sensor of piezoelectric ceramic.
综述光纤布拉格光栅的传感机理,研制基于薄壁应变筒的光纤布拉格光栅压力传感器。
The mechanism of fiber Bragg grating sensing was used to develop the fiber Bragg grating pressure sensors based on thin wall strain canister are experimentally studied.
基于光纤法珀应变传感器的基本原理,阐述了两只光纤法珀应变传感器并联条件下的组合输出信号。
It analyses the output intensity of two parallel multiplexed fiber Fabry-Perot strain sensors, based on the principle of the fiber Fabry-Perot strain sensors.
光纤光栅应变、温度传感器已相当成熟,而光纤光栅倾角传感器还处于探索阶段。
The technologies of fiber Bragg grating (FBG) strain sensors and temperature sensors have got further mature, but the FBG inclination sensors are still in initial stage.
介绍了光纤光栅应变传感器,并对采集处理卡在监测系统中的应用进行了详细说明。
The new fiber granting sensor is introduced, and application of the card to structural states monitoring system is illustrated in detail.
实验结果表明,光纤传感器的输出变化能反映结构内部应变及裂缝等状态的变化情况。
The initial experimental results show that the embedded fiberoptic sensor offers the possibility of detecting the internal state such as change of...
根据光纤法珀应变传感器的腔长DFT解调算法的原理,推导了对光谱数据作补零处理时的DFT腔长计算公式,并作了精度分析。
Based on the principle of DFT gap-demodulating method, the expression of gap in case of zero-padding on spectrum sequence was derived, and its accuracy was analyzed.
用电阻应变仪对布拉格光栅光纤传感器应变传感特性进行实验对比标定,得出了表征fBG性能的应变传感灵敏系数。
A calibration test has been performed on FBG with strain gauges, and the strain sensing sensitivity coefficient of the properties of FBG was gained.
本文首先介绍了光纤光栅的传感原理,并详细分析了光纤光栅应变传感系统的基本组成以及工作原理,根据工程应用的经验得出了光纤光栅传感器最容易出现性能蜕化现象。
Basic composition and principle of the FBG strain sensing system were analyzed in detail. According to engineering experience we obtained that FBG sensor was most likely degeneration.
在光纤传感器广泛的应用领域当中,应变测量是最重要的部分之一。
Strain measurement is one of the most important fiber sensing application areas.
但是将光纤光栅传感器埋入混凝土中,进行动态应变测量,尚存在诸如解调、封装等工程技术难题有待解决。
But it's difficult to demodulate the light signal and encapsulate the FBG when the dynamic strain inside the concrete is measured.
在北京某高速公路埋设了光纤光栅传感器以开展应变研究,两组三维传感器组分别被布设于沥青路面的中、下面层以获取各层位内的三维应变信息。
The FBG sensors were embedded in a Beijing freeway, and two 3D-sensor groups were placed in middle and bottom layers of bituminous concrete pavement to capture 3D strain information.
在该结构中,需要测量应变的构件有以轴向应变为主的网架杆件和需要测量X、Y方向应变的钢牛腿结构。对后一种结构,提出了一种表面双向粘贴光纤光栅传感器的方法,并分析了相应的应变传感模型。
There were two kinds of members need to be measured, including pipes in which axial stress was predominant and steel brackets in which the strains in X-direction and Y-direction were considered.
简要介绍了光纤光栅应变传感器的标定方法及注意事项。
Finally, the way of calibration on FBG sensor and some notice was briefly introduced.
同时研究了基于索力监测的光纤光栅传感器及电阻应变传感器的基本原理及监测误差分析。
At the same time, study on the basic principles and error analysis of Fiber Bragg Grating Sensors and Resistance Strain Sensors based on the monitoring of the cable forces.
同时研究了基于索力监测的光纤光栅传感器及电阻应变传感器的基本原理及监测误差分析。
At the same time, study on the basic principles and error analysis of Fiber Bragg Grating Sensors and Resistance Strain Sensors based on the monitoring of the cable forces.
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