frequency vector

A New Slip Frequency Vector Control Scheme with Resistance Estimation

带电阻参数估计的异步电动机转差频率矢量控制

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A new slip frequency vector control scheme with speed calculation algorithm is proposed in this paper.

本文提出一种带有速度推算算法的转差频率矢量控制。

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In the new scheme the speed sensor of general slip frequency vector controlled system is replaced with speed calculation algorithm, so it has the merit of wide applicability.

这一新的控制方案用速度推算算法取代常规转差频率矢量控制系统中的速度传感器，具有适用性广的优点。

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With the development of solid state power devices and DSP, variable frequency vector control based on DSP has been the trend for electromotor control.

随着电力电子器件和数字信号处理器的发展，基于DSP的变频矢量控制逐渐成为电机控制的趋势。

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Slip Frequency Vector Control with Speed Calculation

速度推算转差频率矢量控制

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A novel resistance estimation method is presented for induction motor, and is used in voltage controlled type slip frequency vector control system. Computer simulations demonstrate the effectiveness of the presented method.

给出了一种异步电动机定、转子电阻参数在线实时估计方法，并将其应用于电压控制型转差频率矢量控制系统，计算机仿真结果表明该方法具有较好的参数估计效果。

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Slip Frequency Vector Control System Controlled by Single-chip Computer

单片机控制的滑差矢量调速系统

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Sliding difference frequency vector controls motor. Using simply varied structure and forecast calculation makes the system run smoothly.

电机采用滑差频率矢量控制，运用简单变结构和预测运算，使系统运行平稳。

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Research on Slip Frequency Vector Control Scheme of Asynchronous Motor

异步电动机转差频率矢量控制方案研究

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The present Web mining technology, especially the core algorithmic of Web document classification and clustering are based on statistical word frequency Vector Space Model ( VSM).

目前Web挖掘技术中，特别是Web文本的分类、聚类，采用的核心算法是基于词频统计的矢量空间模型算法。

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