电机的

In this paper, the working principle and magnetic network model of two-phase hybrid stepper motor are introduced, the magnetism chain equation of the winding and electromagnetism torque equation is deduced.

本文介绍了两相四拍混合式步进电机的工作原理和磁网络模型，推导了绕组的磁链方程、电磁转矩方程。

Mainly include to roll the ball screw shaft nut and the calculation choice of reaction stepping motor and the establishment of lengthways, horizontal organization assemble diagram project.

主要包括对滚珠丝杠螺母副及反应式步进电机的计算选择及纵向、横向机构装配图方案的制定。

In this design ,I have designed drive circuit which matches withthe motion control system using for step motor.

本设计中还设计了与运动控制系统相配的用于步进电机的驱动电路。

Advanced technique in world in world in now in Euro-American region in adoption in product.

产品采用欧美地区当今世界先进技术，该机选用进口的变频控制技术，在机器驱动速度调整时能够随意控制电机的转速快慢或在机器运转时能任意无级变速，目前该产品远销美国、日本等国家和地区。

YiHua is a company specializing in tublar motors for shutters,awnings and garage doors used in home and buildings.

宜骅公司是一家专业生产管状电机的制造企业。其产品广泛用于家用或商用的卷帘门，遮阳篷，车库门等设施。

I got my pot metal to cast this part from the casings of some vacuum cleaner motors I dismantled.

我得到的金属罐投从一些吸尘器我电机的外壳拆除这一部分。

After analyzing the general power convenor ,a soft switching converter power will be introduced to depress and remove its ripples and wastage .

在分析常用功率变换器的基础上，引进软开关技术，用来降低电机的损耗和脉动。

Due to the salient structure of SRM, the flux linkage is a nonlinear function of both the rotor position and excitation current, which makes the measurement difficult.

该系统通过DSP 片内外设模块实时采集电机的电压电流信号，并将结果传送至上位机，利用数字离散方法计算磁链，建立磁链与电流、位置角度的对应关系。

I got some sewing clothes line wrapped around the motor pulley on the laps, and some in the belt Apply rosin powder to increase friction.

笔者找来一些缝衣服的线，在电机的皮带轮上缠了几圈，另外在皮带上再涂一些松香粉以增大摩擦力。

Fig.4 shows the speed response of the motor under no-load and full-load conditions for a change in the desired speed from 700 r/min to 1600 r/min aid back to 700 rimin.

图4显示了在预期的速度从700改变电机的转速响应/分至1600转/分回700 rimin.Fig援助下空载和满载条件。

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。