permanent-magnet moving-coil instrument是什么意思

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The structural characteristic and magnetic mechanism of nano-composite permanent magnets are reviews.

介绍了纳米晶复合永磁材料的结构特征和磁性原理以及近年来出现的一些超常规制备技术,其中着重评述了放电等离子烧结技术、超高压晶化技术以及低温热压热变形技术制备块体纳米晶复合永磁的技术特点和研究进展,在此基础上提出了进一步深入研究的内容和方向。

As a drive mechanism, permanent magnets brushless linear DC motor possesses many advantages, such as high position accuracy, high system dynamics,zero cogging, zero attractive force and so on, so it has a extensive application in position system.

永磁无刷直线电机作为一种动力源 ,由于具有动态性能好、零齿槽效应和零引力、低速性能好等特点 ,在高精度定位装置上有广泛的应用。

Sliding mode control of permanent magnet synchronous motor with great inertia load;

永磁同步电动机大惯量负载的滑模变结构控制

Characteristics of permanent magnet DC tachogenator;

永磁式直流测速发电机的特点

The effect of dispersibility of permanent magnetic materials on performances of line-start permanent magnet synchronous motors;

永磁体分散性对自起动永磁同步电动机的影响

The heat treatment on the properties has the obvious influence to the coercive force of this permanent-magnet material.

介绍液体冲击压实法研制FeCo-Nd-B永磁材料的实验过程。

Based on discussing the structure of an axial disk permanent-magnet DC motor,and made a model.

在讨论了轴向磁场盘式永磁直流电动机的结构特点、磁场分析基础上,进行了典型样机的计算及研制。

Based on introducing the structure trislot of permanent-magnet DC motor, draw up its design programme, compile a computer soft-ware with FORTRAN language.

在介绍了三槽永磁直流电动机的结构特点、工作性能基础上 ,编制了该种电机的设计程序 ,并利用 FOR-TRAN语言编写了计算机软件 ,利用该软件设计并试制了 Nd Fe B、铁氧体三槽永磁直流电动机 ,文中还对常用于该种电机的稳速系统作了介

Research of a Fabrication Method of the Halbach PM Planar Array;

Halbach永磁平面阵列制造方法的研究

The Design of PM Magnetic Bearings and Its Calculation;

永磁磁浮轴承的设计及其计算

Present State and Development of High Efficiency PM Motors;

高效永磁电动机的现状与发展

The pretreatment technology of nickel electroplating was studied for Nd Fe B permanent magnetic materials, as well as its effect on plating layer by examining the appearance, measuring binding force and porosity, and salt spray corrosion test.

探索了新的除油液配方 ,确定了钕 铁 硼永磁材料电镀镍较完整的前处理工艺 ,其孔隙率为 0 。

The loss of excitation limits the use of Nd-Fe-B permanent magnetic materials in large permanent magnets.

Nd- Fe- B稀土永磁材料的失磁现象制约了其在大型永磁电机中的应用。