查询词典 magnetic bearing

L VOR/ILS(very high frequency omnirange/instrument landing system)— this system provide displays of relative and magnetic bearing to a selected VOR station and deviation from a preselected course.

l 甚高频全向信标/仪表着陆系统——此系统提供飞机相对于一个选定的VOR台的磁方位及飞机与预选航道的偏离显示信号。

VOR/ILS(very high frequency omnirange/instrument landing system)— this system provide displays of relative and magnetic bearing to a selected VOR station and deviation from a preselected course.

甚高频全向信标/仪表着陆系统——此系统提供飞机相对于一个选定的VOR台的磁方位及飞机与预选航道的偏离显示信号。

The basic solutions were defined based on local coordinate system, and then the coordinate transform relation between the static and dynamic characteristics of magnetic bearing with arbitrary structure and the basic solutions were deduced.

研究了电磁轴承静动特性的计算方法，定义了基于局部坐标系的电磁轴承静动特性基础解，推导了任意磁极结构的电磁轴承动力学特性与基础解之间的坐标转换关系；在此基础上提出了利用基础解计算任意磁极结构的电磁轴承静动特性的方法，该方法简捷、快速，是电磁轴承静动特性计算的一套规范化、标准化的方法。

Compared with the conventional magnetic bearing switching power amplifier, the volume and switching loss is reduced, and the reliability is higher. It can apply in space application better.

与传统类型的磁轴承开关功放相比，减小了体积和开关损耗，提高了可靠性，特别适合于空间环境应用。

Power electronics ; Switching power amplifier ; Magnetic bearing ; Current mode tri-state modulation

电力电子；开关功率放大器；磁轴承；电流三态调制

Switching power amplifier of magnetic bearing worked in hard switching. To overcome drawbacks of large loss of switching and current harmonic distortion, a parallel resonant DC link soft-switching power amplifier was adopted in this paper.

为克服磁悬浮轴承开关功率放大器工作在硬开关状态时存在的开关损耗和电流纹波干扰严重的缺点，提出一种磁悬浮轴承并联谐振直流环节的软开关功率放大器电路。

By using the hybrid-sensitivity scheme, a H〓 controller is devised and H〓 control in the new MB system is compared with that of PID control. The standard bi-state magnetic bearing amplifier have some disadvantages such as high current harmonics, low reliability and the current mode switching for tri-state amplifier is expounded.

首次将H〓鲁棒控制策略应用于集成化磁轴承系统，详细论述了H〓控制器的设计过程，并与经典PID控制策略进行了比较，表明了H〓控制器优良的抗干扰能力和稳定的鲁棒性。

Test the use of machines, realizing the different structure and size of the magnetic bearing has the same force.

试验中利用***机器，实现了使不同结构和体积的磁轴承具有相同的力。

Design of Phase-shift Power Amplifier for Control of Active Magnetic Bearing;2. A digital control of phase-shift circuit;3. Based on laser interferometer theory,Multi-wave interferometer by phase-shift ing method is applied on high-reflective coated optical flatness measurement.

本文以光干涉原理为基础，分析多光束干涉原理特点及其在平面形貌测量中应用可能，提出应用移相方法对被测镀高反膜表面进行调制，得到一系列被调制的干涉图样，经计算机对干涉图样进行自动采集和图像解包裹，获得被测表面的三维形貌数据，并通过实际测试验证了该方法的可行性和科学性。

It is significative to use the conclusion of this paper in magnetic bearing design.

研究结论对磁力轴承的结构设计和控制系统设计具有一定的指导意义。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了