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Description: 电动机，告诉你如何计算电磁通量和电流。结合magnet使用效果更加。-motor, tell you how to calculate magnetic flux -- and current. Combine more effective use of magnet.
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Size: 916 |
Author: philip2001 |
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Description: 电动机，告诉你如何计算电磁通量和电流。结合magnet使用效果更加。-motor, tell you how to calculate magnetic flux-- and current. Combine more effective use of magnet.
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Size: 1024 |
Author: philip2001 |
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Description: 主要用来对钢丝绳漏磁检测信号进行消噪处理，通过简单修改可以实现对钢丝绳检测信号的各种消噪方法。-wire rope magnetic flux leakage detection denoising
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Size: 1024 |
Author: wang |
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Description: 电机是使机械能与电能相互转换的机械，直流电机把直流电能变为机械能。作为机电执行元部件，直流电机内部有一个闭合的主磁路。主磁通在主磁路中流动，同时与两个电路交联，其中一个电路是用以产生磁通的，称为激磁电路，另外一个是用来传递功率，称为功率回路或者电枢回路。-Motor is to convert between mechanical energy and power of machinery, the DC to DC motor into mechanical energy. Executive Yuan as the mechanical and electrical components, DC motor inside the main magnetic circuit has a closed. The main magnetic flux flowing in the main magnetic circuit, while cross-linked with the two circuits, one circuit is used to generate magnetic flux, called the exciting circuit, another one is used to transfer power, known as the power circuit or the armature circuit .
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Size: 10240 |
Author: zhoulei |
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Description: 管道腐蚀检测中的脉冲漏磁检测技术Pulse Pipeline Corrosion Detection Technology Magnetic Flux Leakage Testing-Pulse Pipeline Corrosion Detection Technology Magnetic Flux Leakage Testing
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Size: 318464 |
Author: xin2006 |
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Description: Oil and Gas Pipeline油气管道漏磁检测的缺陷量化技术-Oil and Gas Pipeline Magnetic Flux Leakage Inspection of defects in quantitative techniques
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Size: 197632 |
Author: its |
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Description: 同步电机模型的MATLAB仿真。。本文针对同步电机中具有代表性的凸极机，在忽略了一部分对误差影响较小而使算法复杂度大大增加的因素（如谐波磁势等），对其内部电流、电压、磁通、磁链及转矩的相互关系进行了一系列定量分析，建立了简化的基于abc三相变量上的数学模型，并将其进行派克变换，转换成易于计算机控制的d/q坐标下的模型。-MATLAB simulation of synchronous machine model. . Synchronous motor in this paper, salient pole machine with a representative, in the neglected part of the error is less impact on the complexity of the algorithm greatly increase the leaving of factors (such as the harmonic magnetic potential, etc.), its internal current, voltage, magnetic flux, flux and torque relationship between a series of quantitative analysis, a simplified three-phase abc variables based on the mathematical model, and the Park transformation, into easy-to-computer control of the d/q coordinate model .
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Size: 178176 |
Author: renhong |
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Description: 异步电动机具有非线性、强耦合、多变量的性质，要获得良好的调速性能，必须从其动态模型出发，分析异步电动机的转矩和磁链控制规律，研究高性能异步电动机的调速方案。矢量控制就是基于动态模型的高性能的交流电动机调速系统的控制方案之一。所谓矢量控制，就是通过矢量变换和按转子磁链定向，得到等效直流电动机模型，在按转子磁链定向坐标系中，用直流电动机的方法控制电磁转矩与磁链,然后将转子磁链定向坐标系中的控制量经变换得到三相坐标系的对应量，以实施控制。-Asynchronous motor with nonlinear and strong coupling, the nature of the variable, for the good performance of speed adjustment, from the dynamic model must be, based on analysis of asynchronous motor torque and magnetic flux control rule, the high performance of asynchronous motor speed control scheme. Vector control based on dynamic model is of high performance of ac motor drive system is one of the control scheme. The so-called vector control, is through the vector transform and according to the rotor flux, get equivalent for dc model, in the rotor flux coordinate system, with the method to control for dc electromagnetic torque and magnetic chain, then will the rotor flux of the control by the transformation of coordinates get the corresponding amount three-phase coordinate system, in order to implement the control.
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Size: 187392 |
Author: 儒雅达 |
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Description: Direct torque control is one method used in variable frequency drives to control the torque (and thus
finally the speed) of three-phase AC electric motors. This involves a calculation of the motor s
magnetic flux and torque based on the measured voltage and currents of the motor.
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Size: 340992 |
Author: popamino |
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Description: 环形电流磁感应强度的分布，点电荷等势面的分布、两个点电荷感应强度的分布-The distribution of the potential surface of the ring current distribution of the magnetic induction, the point charge, two point charge distribution of the flux density
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Size: 1024 |
Author: zdw |
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Description: 用12864做显示屏，用来显示磁通线分布（模拟的），文件涉及单片机程序设计。-12864 do display used to show the lines of magnetic flux distribution (simulated), the paper relates to the microcontroller programming.
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Size: 32768 |
Author: liukai |
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Description: The article concerns observing states of the Induction Motor (IM) using a Luenberger observer in the speed servo drive.
The movement of the motor and observer roots is analyzed for a variable speed. Following the analysis, a new method for
gain evaluation of the IM magnetic flux observer is presented. This structure is extended by including an adaptive speed
observer. The functionality of the presented method is proved in simulations using MATLAB Simulink.
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Size: 1097728 |
Author: aa |
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Description: A sensor driver for the magnetometer AK8975.
Magnetic compass sensor driver for monitoring magnetic flux information.- A sensor driver for the magnetometer AK8975.
Magnetic compass sensor driver for monitoring magnetic flux information.
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Size: 4096 |
Author: Lydia2229 |
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Description: 无位置传感器的无刷直流电机的直接磁通控制程序-The sensorless brushless dc motor direct flux control procedures
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Size: 7827456 |
Author: 王二伟 |
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Description: The article concerns observing states of the Induction Motor (IM) using a Luenberger observer in the speed servo drive. The movement of the motor and observer roots is analyzed for a variable speed. Following the analysis, a new method for gain uation of the IM magnetic flux observer is presented. This structure is extended by including an adaptive speed observer. The functionality of th-The article concerns observing states of the Induction Motor (IM) using a Luenberger observer in the speed servo drive. The movement of the motor and observer roots is analyzed for a variable speed. Following the analysis, a new method for gain uation of the IM magnetic flux observer is presented. This structure is extended by including an adaptive speed observer. The functionality of th
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Size: 1052672 |
Author: eeferw |
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Description: 经典二维漏磁检测模型，自己用，漏磁检测方向科研入门必备命令流。-Classic 2-d magnetic flux leakage testing model, for my own use, the magnetic flux leakage testing necessary command flow direction introduction to scientific research.
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Size: 1024 |
Author: 张玉祥 |
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Description: 经典三维漏磁检测模型，管道漏磁检测模型，网格已划分，结果正确，希望帮到初学者们。-Classic 3-d model of magnetic flux leakage testing, pipeline magnetic flux leakage testing model, the grid is divided, the result is correct, hope to help beginners.
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Size: 1024 |
Author: 张玉祥 |
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Description: 经典三维漏磁检测模型，罐底以及平板材料漏磁检测模型，网格已划分，结果正确，希望帮到初学者们。-Classic 3-d model of magnetic flux leakage testing, the tank bottom or plate material magnetic flux leakage testing model, the grid is divided, the result is correct, hope to help beginners.
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Size: 1024 |
Author: 张玉祥 |
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Description: 空间电压矢量控制PWM(SVPWM）也叫磁通正弦PWM法.它以三相波形整体生成效果为前提，以逼近电机气隙的理想圆形旋转磁场轨迹为目的，用逆变器不同的开关模式所产生的实际磁通去逼近基准圆磁通，由它们的比较结果决定逆变器的开关，形成PWM波形.此法从电动机的角度出发，把逆变器和电机看作一个整体,以内切多边形逼近圆的方式进行控制，使电机获得幅值恒定的圆形磁场（正弦磁通）.-Space voltage vector control PWM (SVPWM), also known as magnetic flux sine PWM method. It generates three-phase waveforms overall effect as a precondition to approximate the ideal circular locus motor rotating magnetic field gap for the purpose inverter different switching modes actual flux generated by the magnetic flux to approximate reference circle, they compare the results of the decision by the inverter switching, the formation of PWM waveform. This method starting the perspective of the motor, the inverter and the motor as a whole, endo polygonal approximation control the way round the motor to get a constant circular magnetic field amplitude (sinusoidal flux).
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Size: 198656 |
Author: 谢洁 |
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Description: A Study of the Four-switch Low Cost Inverter that Uses the Magnetic Flux
Control Method
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Size: 168960 |
Author: mouni |
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