轴承

The research results show that this magnetic bearing can avoid magnetic circuit coupling. Therefore, the control performance of systems is improved.

研究结果表明，该径向永磁偏置磁轴承可以有效地避免磁路耦合现象，提高磁轴承系统的控制性能。

It is well known that passive magnetic bearing cant realize the stable suspension in all degrees of freedom.

本文的研究目的就是对以被动磁轴承为主体的轴承电机系统的悬浮及控制进行研究。

Its control mode and performance have a great effect on the behavior of active magnetic bearing system.

功率放大器作为主动电磁轴承中的关键环节，其控制方式和控制性能对主动电磁轴承的性能有着极大的影响。

The study of magnetic bearings can be divided into two parts: the study of control system for magnetic bearing and the study of structure of magnetic bearing.

这一课题的研究内容可以分为磁轴承的结构研究和磁轴承的控制系统研究两大部分。

And the H∞ control in the control design of magnetic bearing was applied.

采用了基于H∞控制系统的优化设计思想，在对轴向磁轴承H∞控制进行分析的基础上将H∞控制应用于磁轴承的控制器设计中。

ABSTRACT Active magnetic bearing is a typical mechatronic product, it is a novel type, high performance bearing.

有源磁轴承是典型的机电一体化产物，是一种新型的高性能轴承。

Active Magnetic Bearing has been used in more and more fields of industry.

磁力轴承已经越来越广泛用于工业各个领域，磁力轴承的结构也是多种多样。

Truing unit's profile bar of 3RG600C inner ring raceway grinding machine was increased in order to im- prove the quality of bearing for speeded passenger car .

为提高提速铁路客车轴承质量，改进3RG600C 砂轮修整器的仿形棒，由原来固定式，改装成可调式，保证对称凸值的工艺要求，从而提高了产品质量，降低产品返工率和废品率，使其合格率为100%，满足轴承用户的需要。

The calculating formula of solving the temperature at any preselected interior mesh point in thrust bearing is obtained.

计算、分析了不同参数对推力轴承润滑性能的影响，认为载荷、镜板转速和进油温度的大小是影响推力轴承润滑性能的主要因素。

At the same time, their reliabilities are quantitatively evaluated and compared each other, which shows clearly the direction how to raise reliability of big roller bearings.

同时对国内外不同厂家的轴承的可靠性进行了定量评估和比较，为提高我国大型轧机轴承的可靠性水平指出了方向。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。