电机的

Cooling fans are the indispensable parts for ensuring the tranquilization and standing working of electrical motor.

电机的冷却风扇是保证电机稳定、持续工作而不可缺少的部件。

The vibration modes are tested with the laser doppler vibrometer (PSV-300F), and the experimental results prove that the design requirements on the mode shape of the actuator and nature frequency are satisfied.

利用PSV-300F多普勒激光测振仪对电机的工作模态进行了测试，实验结果表明，电机的工作振型和工作频率等均满足设计要求。

First, this paper analyses the basic structure and work principle of BLDCM, deduces its dynamic mathematical model.

首先，论文分析了无刷直流电机的基本结构和运行原理，构建了无刷直流电机的动态数学模型，为后续研究奠定了理论基础。

A parallel mild hybrid electric car with floating integrated starter/generator motor is developed, the model for HEC is built with Matlab/Simulink software, and the matching analysis between output torques of engine and ISG motor is performed.

开发了带全浮式ISG电机的并联轻度混合动力轿车，在Matlab/Simulink中建立了整车模型，并对发动机和ISG电机的输出转矩进行了匹配分析。

In the motor drive controller, current sampling cir- cuit protecting circuit, pressure adjusting circuit and signal insulating circuit are made up of DSP and its peripheral circuit. CPLD is employed to deal with the brushless DC motor＂ s rotor position signal in order to realize.

电机驱动控制器采用微控制芯片和外围电路构成了电流采样、过流保护、压力调节等电路，利用CPLD实现无刷直流电机的转子位置信号的逻辑换相。

We design a five-fingered dexterous hand driven by an ultrasonic motor,whose power is conveyed to various joints by elastic belts of the ultrasonic motor placed at the palm of the dexterous hand.

设计一个由超声电机驱动的仿人五指灵巧手，由于超声电机的一些优点，使得该五指灵巧手与人手相仿，共有20个独立自由度，重量不足1000 g。

Beginning from the original geometric sizes and the material properties of electromagnetic design of SRM, ANSYS , a finite element method business software, is employed to determine the flux linkage functionψ.

从开关磁阻电机电磁设计的基本尺寸和材料性能出发，应用ANSYS有限元商用软件计算出开关磁阻电机的磁链函数ψ。

Based on this background, this dissertation analyses the theories of vector control of induction machine, and designs a electric vehicle driver employing TMS320LF2407, IPM and so on.

在这个背景之下，本论文对异步电机的矢量控制技术进行了理论分析和研究，采用数字信号处理器TMS320LF2407为核心控制器，IPM为功率模块，设计并在车上运行调试和优化出适合电动汽车运行工况的电动汽车驱动电机控制算法。

Letter from the electrical plant, Dongyang, Zhejiang, than when the motor from the relocation of the Company, the three-phase production of rare earth permanent magnet motor professional enterprises.

信宇电机厂是从浙江省东阳市比时特电机有限公司搬迁而来的，使生产三相稀土永磁电机的专业企业。

This study is done for the first time in domestictOrpedo business, the mathematic model of cowterrotating motor is established andsome sPecial characteristics of torpedos drive cowterrotating DC motor under theload of constant torque or the load of cowterrotating propellers are exposited.

这项研究在国内同行中还是首次进行，它建立了鱼雷双转推进电机的数学模型，揭示了鱼雷双转推进电机在恒力矩负载和对转螺旋桨负载下的一些特殊特性。

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。