电机的

According to the characteristics of the larger start electric curent, start torque and the demagnetizing influence of the armature reaction of motereycle starter at the moment of starting, the formula of the largest demagnetizing magnetic- power is deduced and the magnetic method of separehng alnico is gnined on the basis of the largest dernagntizing magntic - power.

根据摩托车起动电机起动电流大、起动转矩要求高的特点，以及起动时直轴电枢反应和交轴电枢反应对永久磁铁的去磁作用，推导出最大去磁磁势的计算公式，给出了根据最大去磁磁势选择磁钢的方法，并通过实测证明电枢反应对起动电机性能的影响。

This will benefit a wide range of applications; motor control algorithms can be improved to allow the motor to run more silently or consuming less energy, sensor data can be filtered or analyzed to suppress noise and capture more useful information, and audio data can be processed without loss of fidelity. The 32-bit AVR UC3 Floating Point Unit is compliant with the widely accepted IEEE 754 standard. This ensures compatibility with a wide range of existing math libraries and application code.

这种技术有利于多种应用：对于电机控制应用，可以改善算法，让电机运行更安静或耗电更少；对于传感器应用，可过滤或分析数据，抑制噪声并撷取更多有用信息；对于音讯应用，可处理声音数据而不会失真。32位的AVR UC3 浮点单元与广泛被接受的IEEE 754标准兼容，可确保与现有的多种算法软件库和应用程序代码的兼容性。

The thesis designs that PLC controls four servo electric motors using Aimosheng EC20H , the rocker arm realizing beam drill goes up and down , the rocker arm rotates , the main spindle box slides , the chief axis moves forward to give axial four action , PLCs the motion controlling one frequency conversion electric motor at the same time realizing the machine tool host moving the revolution being a chief axis.

本论文设计使用艾默生EC20H PLC控制四台伺服电机，实现摇臂钻床的摇臂升降、摇臂旋转、主轴箱滑动、主轴进给四个轴向的动作，PLC同时控制一台变频电机实现机床的主运动即主轴的旋转运动。

At last ,it drew a conclusion that summarined the design thought of permanent magnetic brushless DC motor control system after absenting waves of controllers work . Permanent Magnetic Brushless DC motor control system canbecome main power source in ship electric propulsion field ,and the research have important s signification.

最后，在控制系统实际运行时对波形进行了观测，给出了结论，总结了无刷直流电机控制系统的设计思想，提出永磁无刷直流电机将成为船舶电力推进的主要动力，对其控制系统的研究具有广泛的应用价值。

The introductive robot arm of this text can output two lines pulses by the PLC, driving the horizontal stalk, and the perpendicular stalk to drive the electrical engineering actuator respectively, to control the robot arm precision of the horizontal stalk and perpendicular stalk at the fixed position, tiny move switch input the position signal to the PLC.The direct current motor drags along to begin the claw and bedrocks to revolve, the position signal from revolve the code dish and near to the switch feedback to host of PLC;The electromagnetism valve control the machine hand open and close, thus carry out the function of the machine hand precision work.

本文介绍的机械手是由PLC输出两路脉冲，分别驱动横轴、竖轴步进电机驱动器，控制机械手横轴和竖轴的精确定位，微动开关将位置信号传给PLC主机；直流电机拖动手爪和底盘旋转，位置信号由旋转码盘和接近开关反馈给PLC主机；电磁阀控制气开阀的开关来控制机械手手爪的张合，从而实现机械手精确运动的功能。

Considering the significant practical meaning of experimental platform for network control system research, the author implements an Ethernet Networked Motion Control Open Platform, which includes a speed servo motor driver as a net node with embedded Ethernet interface using digital signal processor; a network controller based on PC which is convenient for realizing sorts of control algorithm; network flow disturbers, helping control on network congestion; a visual graphical monitor system on real time network data, displaying control system state curve dynamically.

系统选用电机速度伺服控制系统作为网络控制的目标对象，采用高性能数字信号处理器设计实现了内含以太网接口的电机驱动器网络化节点；设计了可方便实现各种控制算法的基于PC机的网络控制器；设计了网络流量干扰节点，可对网络拥塞程度实现定性控制；设计实现了图形化网络数据监视系统，动态显示控制系统状态曲线。

Detailed discussion about distribution and changes of the current in every rotor bar and end ring, the relationship between the number of broken-bar and fault features in stator current after broken bar fault appearing was shown.

转子断条位置对电机影响很大，过去没有引起人们的重视，该文对此进行深入研究，分析电机转子断条位置与故障特征量之间的关系，转子断条位置与转子导条电流、转子端环电流之间的关系，并总结出其规律，指出哪些位置导条进一步断裂的可能性较大。

According to the principle of vector control system, a simulation model of SPWM inverter - fed induction machine and its control system with the reference frame fixed to the rotor is established in this paper.

该文根据感应电机矢量控制的基本原理，基于MATLAB／SIMULINK构造了电压型SPWM逆变器供电的感应电机按转子磁场定向的矢量控制系统的仿真模型。

Interest in hardware-based artwork with original design also is a key element in the activities of Maywa Denki, an "art unit" led by Nobumichi Tosa. [Fig. 1] Mixing lowtech and high-tech, he designs and manufactures strange looking robotic instruments that are performed by him or in collaboration with his "employees," or preprogrammed, or sold to enthusiastic Maywa Denkifans.

喜欢以硬体装置为艺术原创基调是明和电机创作的重要元素-由土佐信道领导的艺术团体，结合低科技与高科技，土佐信道设计并制造了看起来怪异的机械装置，让他或是他的员工或是明和电机用来表演。

And the total cost of the system will be lower than brushless DC motor and AC variable frequency system with the cheap thyristors.

同时系统总体成本也可以借助采用廉价的可控硅而较常规的无刷直流电机与变频调速系统等为低，具有成为新一代的电机调速系统的发展潜力。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。