提出了一种在动载体卫星通信控制系统中,无需空心电机的圆锥扫描测角跟踪方案。
This paper issues a kind of Angle measuring tracking method for conical scan without hollow motor in moving carrier satellite communication system.
针对这种情况,本文提出一种实验的方法,测取不同频率下硅钢片的特性曲线,以供变频电机设计时参考。
Considering this, this paper presents a method by experiment which can measure performance curve of silicon steel sheet at different frequency as reference of designing variable frequency motor.
讨论了变频电源输入电压的非正弦对测功电机的性能影响,提出改善不利影响的措施。
In this paper, the functional influence of input voltage non-sine of Varible-frequency voltage source on Electric Power Dynamometer motor discussed. and methods of improving them were also given.
介绍了光电测微系统的基本原理及其构成,分析了该系统的关键环节即聚焦伺服系统,建立了音圈电机的数学模型。
The focus servo system of the OM is analyzed and the mathematical model of the voice-coil motor is presented.
由于感应同步器测角系统的误差的存在,相当于在系统的输入端加入了一个干扰,从而在电机控制系统中引起电机速率的波动。
The error of inductosyn Angle measurement system will cause ripple of speed in DC motor control system. This error is equal to adding a disturbance to the input.
本文以电力测功机为中心,分析了测功系统工作原理及稳态工况下系统各主要转矩量之间的关系、测功电机运行状态。
The operating principle and the relations among the main torques of electrical dynamometer system (EDS) are discussed, then the running state and conditions of the system function are analyzed.
PLC采样发电机的剩磁电压,通过软件编程测取剩磁电压的周期,来获得原动机的点火转速信号。
PLC samples the remanence voltage of generator and measures its period with software to get the signal of fire speed.
提出了一种在动载体卫星通信控制系统中,无需空心电机的圆锥扫描测角跟踪方案。
This paper issues a kind of Angle measuring tracking method for conical scan without hollow motor in moving Cartier satellite communication system.
研究测轴承支承力法对大型汽轮发电机组轴承负荷在线监测的可行性。
It studies also the feasibility of this way for on-line monitoring bearing load of turbine generators.
水轮发电机组是一个变参数的非最小相位环节,并且只有部分状态可直接量测。
Hydroelectric generating set is a non-minimum phase system which has some variable parameters. Only part of its states can be measured directly.
考虑实际系统中信号传输通道的数量限制,本文中确定了以下步骤进行被测线路和被控发电机的选择。
Considering the number limit of signal transmit channels, the selection of line which is measured and generator which is controlled goes along following these steps in this paper.
火力发电机组的发电机内存在强烈的电磁干扰,常使多数温度测点在DCS显示异常。
Due to strong electromagnetic interference exists inside power generator, in displays of the DCS, many temperature measurements are in abnormal.
本文对一种新型测功电机的特性从理论上进行分析探讨。
The characteristics of a new type dynamometer are analyzed and studied.
66200系列数位式功率表是用来量测单相交流电源的功率及其他电压电流参数,适用于大部份的电机电器产品。
Chroma's 66200 Series Digital Power Meter is designed for single-phase measurements of AC power signals and related parameters common to most electronic products.
介绍了光电测微系统的基本原理及其构成,分析了该系统的关键环节即聚焦伺服系统,建立了音圈电机的数学模型。
This paper deals with the open system of numerical control based on Windows98, mainly discussing the interface module , the manage module and the servo module.
介绍了光电测微系统的基本原理及其构成,分析了该系统的关键环节即聚焦伺服系统,建立了音圈电机的数学模型。
This paper deals with the open system of numerical control based on Windows98, mainly discussing the interface module , the manage module and the servo module.
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