电机的

Design Method of High Speed Precision Positioning System Based on Voice Coil Actuator.

基于音圈电机的新型高速精密定位系统设计方法。

The system directly uses the frequency conversion velocity modulation way automatic control the speed of water pump motor, has saved the system investment.

系统直接采用变频调速方式自动调节水泵电机的速度，节省了系统投资。

The structure of the system, control thought and control strategy of the double-stator brushless electric machine are discussed.

探讨了双定子无刷电机的系统构成、控制思想和控制策略。

The cogging influence may be considered by using finiteelement method. That is more sufficient then the analysis law.

借助电磁力计算方法分析异步电机的径向力波。

This paper analyzed the air-gap magnet field of U-shaped ironless PMLSM by finite element method,which could lower the difficulty of field analysis,with the help of Ansys and Matlab,and listed several result drawings.

采用有限元法分析U型无铁心永磁同步直线电机的气隙磁场，以降低其分析难度。

Nonlinear dynamics of an oilless linear drive

动磁式直线振动电机的特性研究。

The 78L10M is a direct PWM drive predriver IC for use with three-phase power brushless motors.

该78L10M是直接与PWM驱动三相无刷电机的使用权预驱动器IC。

Thermal protector shall be resettable and have a protection setting NTE the thermal insulation class of the motor.

热保护器应具有复位功能，并具有保护电机的热绝缘等级设置。

The rotative speed measurement methods of high - speed wide - range flat sewing machine brushless DC motor are discussed.

摘 要：论文针对宽调速范围高速工业平缝机无刷直流电机的转速测量方法进行研究。

Some basic theories,such as methods of position detection,PWM control and starting policy of senseless BLDCM are disserted in the first.

首先分析了无传感器无刷直流电机的位置检测方法、PWM调制方式和启动策略等控制原理。

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。