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磁链模型
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  flux linkage model
     The flux linkage model is introduced for the magnetizing-flux-oriented vector control of salient-pole synchronous motors.
     分析了在气隙合成磁链矢量旋转坐标系上凸极同步电动机的矢量控制的磁链模型
短句来源
     After a brief introduction of the two-phase excitation scheme, the flux linkage model of a SRM under two-phase excitation is developed using FEA.
     文中首先简要介绍了这种两相励磁系统的结构,然后提出了两相励磁下SRM的磁链模型
短句来源
     Because the characteristic of flux linkage in the switche reluctance motor(SRM) is highly non-linear, in the analytical model, the toque-angle characteristic which leading out from the flux linkage model may bring very heavy error.
     由于开关磁阻电动机磁链特性的高度非线性,在常规的解析建模方法中,由近似磁链模型导出的转矩特性的误差较大。
短句来源
     The inverse model of torque and the flux linkage model of switched reluctance motor arerespectively established by using the proposed flexible network.
     基于所提三自由度神经网络,建立了开关磁阻电机转矩逆模型和磁链模型,构建了电机控制系统,有效补偿了电机的非线性特性。
短句来源
     The simulation and experiment were carried out comparatively on SRM with six stator poles and four rotor poles based on the nonlinear flux linkage model and torque-angle model of ANFIS to demonstrate the both coincidence with a maximal error lower than 5%.
     基于非线性磁链模型与ANFIS矩角模型,对一台6/4结构的SRM进行了仿真与实验. 仿真结果与实验结果基本一致,最大误差不超过5%,从而验证了这种建模方法的正确性.
短句来源
  flux model
     Direct Feedback Linearization Control of Induction Motors Based on Stator Flux Model
     基于定子磁链模型的异步电动机反馈线性化控制
短句来源
     The key to realize a practical rotor field oriented vector control system of inductive motor is both the calculative precision of flux model and the adjusting of PI regulator.
     实现实际转子磁链定向矢量控制系统的关键是磁链模型的计算精度和环路PI调节器的正确整定。
短句来源
     The fuzzy logic idea is adopted in the strategy in order to further improve the torque response and decrease the torque ripples, so a full-speed fuzzy model DTC(FSFDTC) is presented based on the proposed full-speed range flux model.
     为进一步提高转矩响应速度和减小转矩脉动,又在全速度磁链模型的基础上引入了模糊逻辑思想,提出了全速度模糊模型直接转矩控制。
短句来源
     This paper presents a direct feedback linearization (DFL) method to achieve input output linearization and decoupling control of induction motor drive system based on stator flux model.
     从异步电动机的定子磁链模型出发 ,应用直接反馈线性化理论实现了异步电动机系统的输入 -输出线性化与解耦。
短句来源
     Aiming at the complicated nonlinear system of bearingless induction motor which is strong coupled bytorque winding flux, based on the independent control algorithm of the levitation system, the voltage-model method identifying the air gap flux of torque winding based on the inverter switching state and air gap flux model are proposed to realize the independent control of the levitation system.
     针对无轴承异步电机这一通过转矩绕组气隙磁场强耦合的非线性复杂系统,根据无轴承异步电机悬浮系统独立控制算法,提出基于逆变器开关状态和气隙磁链模型的转矩绕组气隙磁链电压模型辩识方法,并应用这两种方法实现了悬浮系统的独立控制。
短句来源
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  “磁链模型”译为未确定词的双语例句
     Study on Magnetic Chain Conversion Model of Direct Torque Controlling Induction Motors
     异步电机直接转矩控制磁链模型切换的研究
短句来源
     3 Designing the software of the DTC system: Main program and subprograms are compiled using C and assemble language to complete control arithmetic, including flux models, models switch, speed PI adjuster and CAN module, etc.
     3 直接转矩交流调速控制系统软件设计:利用C语言和汇编语言完成了主程序模块和子程序模块设计,实现磁链模型、模型切换、转速PI调节和CAN收发数据等模块的功能。
短句来源
     A sliding mode observer (SMO) is developed to estimate the position and speed of transverse flux linear reluctance motor (TFLSRM), which is based on the special structure of TFLSRM.
     针对横向磁场直线开关磁阻电机(TFLSRM)的特殊结构,提出一种基于电机磁链模型的滑动模态观测器,用以估计直线电机的位置和速度。
短句来源
     Study on Method Conversion of Direct Torque Control
     异步电机直接转矩控制磁链模型切换的研究
短句来源
     The simulation results showthis method is effective.
     重点介绍了电机模型和转子磁链模型的建立 ,仿真结果证明了该方法是有效的
短句来源
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  flux model
Use of the flux model of amino acid metabolism of Escherichia coli
      
Concept of reservoir-flux model of photosynthetic carbon sequestration and of the net photosynthetic production at the territory of Northern Eurasia is suggested.
      
We have developed a self-consistent thermodynamic model for planar concentrators and find that this three-dimensional flux model shows excellent agreement with experiment.
      
Nonstationary two-flux model of radiation transport for optical tomography of scattering media
      
A nonstationary two-flux model is formulated for the transport of radiation in an inhomogeneous scattering medium and is applied to the situation where such a medium is irradiated by the narrow beam of a pulsed laser.
      
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D.S.C (Direct Self-Control) is a new silmple method invarible speed AC drives, while it is not common in our country presently. Accord-ing to the analysis of the basic principle the paper gives the analogue-circuit im-plementation, and the improvement of the model of stator flux lingkages. (as itis difficult to be measured in the lower freguency.) The test result on the 1.5 kwinduction motor is satisfactory

D.S.C(异步机直接转矩控制)变频调速是近年来被专家誉为“颇有发展前途”的一种新型控制方法。本文在理论分析的基础上,全部用硬件模拟电路实现了该系统,并针对低速磁链模型不准确这一关键问题,提出了能自然平滑切换的磁链模型。在1.5KW鼠笼型异步机组上(以同轴发电机为负载)做实验,获得较为满意的结果。

The precision of stator flux observation is the focus of realizing a Direct Torque Control (DTC) system. This paper analyses three kinds of stator flux model, with the thinking of shortcoming of every model and the slow calculation speed of MCS96 microcontrollers, a simple and practical method of model switching is presented. The simulations and experiments prove this new method is feasible.

定子磁链观测的准确性在直接转矩控制中十分关键,该文分析了几种磁链观测模型的优缺点,针对目前常用的单片机计算速度较慢的情况提出了一种简单实用的磁链模型切换方法,最后通过仿真和实验验证了其可行性。

In order to satisfy good performance of AC drive,improve the reliabiligy to system.A mutual model reference adaptive system (MRAS) is proposed to implement a position sensorless direct torque control of an asynchronous machine.The reference model and adjustable model used in the mutual MRAS scheme are interchangeable.For the rotor speed estimation,one model is used as a reference model and another is the adjustable model.Pure integration and stator leakage inductance are removed from the reference model,resulting...

In order to satisfy good performance of AC drive,improve the reliabiligy to system.A mutual model reference adaptive system (MRAS) is proposed to implement a position sensorless direct torque control of an asynchronous machine.The reference model and adjustable model used in the mutual MRAS scheme are interchangeable.For the rotor speed estimation,one model is used as a reference model and another is the adjustable model.Pure integration and stator leakage inductance are removed from the reference model,resulting in robust performance in low and high speed ranges.For the stator resistance identification,the two models switch their roles.Being the scheme,the low speed performance of DTC is improved and the output accuracy of flux model is increased.Computer simulations are given to show its effectiveness.

基于交互式模型参考自适应理论提出了直接转矩控制的无速度传感器方案。参考模型和可调模型使用交互式MRAS方法 ,系统在电机的转速和定子电阻的辨识间切换。由于消除了纯积分和电机漏感对算法的影响 ,该法对电机在低速的工况下具有鲁棒性。对定子电阻的辨识可使得直接转矩控制的低速性能得到改善 ,提高磁链模型的输出精度。计算机仿真结果证明了方案的可行性。

 
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