microdisplacement meaning in Chinese
微量位移
Examples
- Precision micrometer microdisplacement inspection instrument
精密测微检定仪 - As a new type of functional material which has been developed in recent years , rare earth - iron giant magnetostrictive materials has many advantages , such as large magnetostriction strain , high coupling coefficient , quick response , high energy density and so on , which make it have good application future in fields of precision driving and microdisplacement based on the new type of functional material , this paper uses new principles and approaches to study this kind of microdisplacement actuator and its precision driving system
稀土铁系超磁致伸缩材料就是近年来发展起来的?种新型的功能材料，具有磁致伸缩应变大、机磁耦合系数高、响应速度快、能量密度高等优点，已在精密驱动及微位移执行器等领域显示出良好的应用前景。本论文以这种新型的功能材料为基础，以基于该类材料的微位移执行器及其精密驱动系统为研究对象，并采用一些新的原理和方法，为新型、高性能微位移执行器及其精密驱动系统的研究提供一个新的途径与思路。 - A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed , and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted , sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it , corresponding deflection and analytic formula and distribution curve of stress are given , and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current , which is also analyzed and studied
其中，采用圆形膜片式柔性结构作为超磁致伸缩微位移执行器的微位移传递、感知一体化机构，应用弹性力学中的薄板弯曲理论、有限元方法对其进行了设计、计算，并给出了相应的挠度和应力解析式及分布曲线；应用电磁理论给出了超磁致伸缩棒内驱动磁场的测量原理及磁场感知功能的具体实现方法，并利用执行器的磁场感知功能对其驱动磁场进行了实际测量，得出了驱动磁场与线圈电流之间的关系，并对其进行了分析和研究；对执行器内部的电磁路和偏置磁路结构进行了设计计算与实验研究，为了减小驱动线圈的发热，对其形状进行了优化设计。