测量系统包括产生磁场的设备,测量和记录磁致伸缩的设备两部分组成。
The measurement system includes two parts, the magnetic field generation equipment and the equipment to measure and record magnetostrictive.
测量和记录磁致伸缩的设备包括电阻应变片,动 态应变仪和计算机采集系统。
The equipment to measure and record magnetostrictive includes the resistance strain slice, the dynamic strain device and the computer acquisition system.
基于磁致伸缩的概念,采用磁致伸缩应变模型,对横向磁场中铁磁体的磁弹性屈曲的临界磁场这一问题进行了研究。
Based on the idea of magnetic strain, the model of magnetic strain was used to analysis the magnetoelastic buckling of cantilevered ferromagnetic plate in transverse magnetic field.
采用琼斯矩阵法分析了法拉第旋转镜消除偏振诱导信号衰落的原理,阐述了基于磁致伸缩的光纤迈克耳孙干涉型磁场传感器基本原理。
The principle that Faraday rotator mirror eliminates polarization-induced fading was analyzed by means of Jones matrix. And the basic principle of the sensor was described.
介绍了一种新型的液压高速开关阀,它采用了超磁致伸缩驱动器和锥体式阀芯结构。
A new kind of hydraulic high-speed on-off valve with giant magnetostrictive actuator and cone valve structure is presented.
利用数值模拟和实验研究两种手段,从频散的角度分析了基于磁致伸缩效应的导波无损检测技术在圆管检测中的应用。
In view of dispersion, the application of guided wave NDT of pipe based on magnetostrictive effect was analyzed by the combination of numerical simulation and experimental research.
提出了一种由磁致伸缩材料管和光纤光栅构成的新型光纤光栅电流传感器。
A new fiber optic current sensor based on a magnetostrictive material tube and a fiber optic Bragg grating is suggested.
基于电路理论和系统动态方程提出了超磁致伸缩换能器的系统化整体结构设计方法。
The systematic structural design of a giant magnetostrictive transducer based on the circuit theory and system dynamic equation has been proposed.
利用该算子建立了磁致伸缩作动器的模型,并推导了相应的数值计算公式。
The hysteresis of magnetostrictive actuators is modeled using this operator, and the corresponding numerical formula is presented.
针对磁致伸缩材料的非线性响应特点,设计了定偏闭环反馈系统,使探头始终工作在最佳偏置磁场下。
The negative feedback system with fixed bias is designed based on nonlinear response of the magnetostrictive materials so as to keep the sensor work at its most sensitive situation.
用作者研制的电弧冶炼铸造设备进行了超磁致伸缩材料的冶炼铸造工艺研究。
The melting and casting technologies for producing giant magnetostrictive materials have been studied using the arc melting-casting furnace developed by the authors.
用稀土超磁致伸缩材料制成的超磁致震源与其他震源相比,具有许多优异的特性。
The huge magnet-os trictive vibration source made up of rare earth giant magnetostrictive material is superior to other vibration sources and has many outstanding characteristics .
本文介绍了磁致伸缩换能器的原理和设计制作方法。
The operating principle, the designing and fabricating method of optic fiber magnetostrictive transducer are introduced in the thesis.
为了实现复杂环境中结冰的自动探测,根据材料的磁致伸缩特性及其逆效应,设计了振动式结冰传感器。
In order to realize the ice auto-detecting in the complex situation, this paper presented a vibrating-tube ice detector based on the magnetostriction and its inverse effect of the material.
数值分析结果表明,利用磁致伸缩材料模型来解释悬臂铁磁板在横向磁场中的磁弹性屈曲问题是合理的。
The numerical analysis shows that it is reasonable to use magnetostrictive material model to analyze the magnetoelastic buckling of cantilevered ferromagnetic plates in transverse magnetic field.
重点介绍了稀土超磁致伸缩材料的应用基础及其在各方面的应用。
The application of the rare earths giant magnetostrictive materials is introduced in some respects, especially in its application base.
应用该模型计算了超磁致伸缩力传感器空气隙中的磁感应强度和磁致伸缩棒上施加力的关系,并与实验值进行了比较。
Using the proposed model, the relation between the magnetic flux density in the air of the giant magnetostrictive force sensor and the value of force applied on the magnetostrictive rod is calculated.
超磁致伸缩换能器是利用超磁致伸缩材料将电磁能转化为机械振动的一种机械装置。
The giant magnetostrictive transducer, using a giant magnetostrictive material as a main element, can transform electromagnetic energy into mechanical energy.
对磁致伸缩薄膜的研究现状进行了综述,介绍了磁致伸缩薄膜的制备方法,性能特征及应用前景。
The current status in this field was reviewed and the preparation methods, the characterization and application of magnetostrictive thin films were introduced.
根据铁磁体具有磁致伸缩特性,提出一种基于磁致伸缩效应的钢管无损检测技术。
On the basis of the magnetostrictive property in ferromagnetic materials, a technique of inspecting steel pipes based on the magnetostrictive effect is presented.
设计了一种以柔性铰链为运动副,磁致伸缩作动器为驱动支杆的并联微动机构。
A type of parallel micromanipulator with flexible hinges as the motion pair and magnetostrictive actuator as the driving rod is designed.
介绍了一种新型-磁致伸缩传感器的工作原理和结构特点,以及该传感器在织机经纱恒张力控制系统中的应用。
The thesis introduces a principle and a characteristic of structure of a new type of transducer called magnetostrictive pick-up, which is applied to constant tension control system of warp of a loom.
利用磁畴理论和磁弹耦合理论,得出了地学尺度下包含磁致伸缩效应的弹性平衡方程。
Using the theories of magnetic domain and magneto-elastic coupling, obtains the elastic equilibrium equation containing magnetostrictive effect in the dimension of the earth science.
特别是对磁致伸缩材料的抗辐照性能、磁致伸缩性能及高温性能做了详尽地分析。
Especially anti-irradiation properties, magnetostrictive properties and high temperature properties of magnetostrictive materials were presented in detail.
磁致伸缩交换耦合多层膜由于具有优异的低场磁致伸缩性能,受到人们的广泛关注。
The exchange-coupling magnetostrictive multilayers (ECMM) have attracted much attention because of its high low-field magnetostrictive sensitivity.
根据磁机械耦合系数的测量原理,利用锁相放大器建立了磁机械耦合系数测量系统,并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
在介绍超磁致伸缩材料的磁致伸缩效应、光纤光栅检测电流原理以及双芯光纤滤波器解调原理的基础上,借助超磁致伸缩材料和光纤光栅等构建了电流测量单元。
Based on the theoretical analysis of the principle of the FBG current measurement, the magnetostrictive effect of GMM, and the interrogation technology of twin-core fiber filter are introduced.
研究了沿着这些样品的生长方向的磁致伸缩性能以及磁致伸缩性能与压力之间的关系。
The magnetostriction along the growth direction of these samples and the dependence of magnetostriction on compressive stress have been investigated.
该传感器利用磁致伸缩效应和超声效应二者的结合达到位移测量目的。
The transducer utilizes a combination of magnetostriction effect and ultrasonic effect for the displacement measuring.
该传感器利用磁致伸缩效应和超声效应二者的结合达到位移测量目的。
The transducer utilizes a combination of magnetostriction effect and ultrasonic effect for the displacement measuring.
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