气隙

There is no mechanical contact, Chuan-power are generated in the air gap, except there is no other rail friction

1没有机械接触，传动力是在气隙中产生的，除了导轨外没有其它摩擦

NOTE: DO NOT reduce the size of the drain line from the air gap fitting.

注意：不要缩小从气隙接出的排放管线的口径。

Note: Air Gap Drains are not designed to collect the full discharge capacity of the relief valve.

注意：气隙排放装置不适用于收集安全阀的所有排放。

A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.

实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。

The conclusion drawn from the contrast validates the correctness of the optimized results,and the feasibility of this algorithm to optimize the configuration parameter of the alnico.

仿真与实验对比优化前后电机的气隙磁密波形和反电势波形的结果，验证了优化结果的正确性，并验证了该多目标优化算法在磁钢结构参数优化中应用的可行性。

The influence of configuration parameter of alnico in surface-mounted permanent magnet synchronous motor on waveform of airgap flux density is systematically analyzed.

系统分析了表贴式永磁同步电动机磁钢结构参数对气隙磁密波形的影响。

Permanent magnet synchronous motors ; alnico ; airgap flux density ; multi-objective optimization ; response surface model ; particle swarm optimization

永磁同步电动机；磁钢；气隙磁密；多目标优化；表面响应模型；微粒群优化算法

The development and application of the conventional coreless generator and electromagnetic damper are introduced at the beginning of this paper.

文中简要介绍了常规空心杯电机与电磁阻尼器的结构、发展和应用，基于Ansoft公司的电磁场分析软件Maxwell 2D学生版软件建立了电磁阻尼器静磁场的二维仿真模型，分别对不同充磁方向、极弧系数、磁极对数的气隙磁密分布进行了静态仿真分析，得出了相应结论。

Permanent Magnet Synchronous Motor has the advantages of high magnet density, small torque pulse, big torque-inertia ratio, high efficiency, simple construct and so on. PMSM has been applied to the occasions that requires high precision of control and high reliability far and wide, such as avigation, numerical control machine tool, radar and some military weapons follow systems, robot and so on. In addition, it plays an important part in Ac motors in modern times.

交流永磁同步电机具有气隙磁密高、转矩脉动小、转矩/惯量比大、效率高、结构简单等优点，在要求高控制精度和高可靠性的场合，如航空航天、数控机床、雷达与各种军用武器跟随系统以及机器人等方面获得了广泛的应用，在现代交流电机中也占有举足轻重的地位。

Taking the magnetic field of magnetic levitation ball control system as an example,the FEM analysis method for the axial magnetic field have been described, which in nonlinear on the base of analysis of the principles of electromagnetic suspension control system.

在分析电磁悬浮控制系统基本原理的基础上，以磁浮球控制系统的磁场为例，论述了轴对称非线性磁场的有限元分析方法，建立了有限元方程，应用二维磁场有限元软件对在不同的悬浮气隙下的磁场吸力进行了精确的计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。