In this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.
本文对一种新型的基于定子磁链定向的无速度传感器矢量控制系统作了研究和分析。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
Vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map.
矢量数据要求的存储要比栅格数据少得多,因为弧节点列表简化并减少了表示地图中包含的特征所需的数据。
The result shows that this method is very simple and can make better approach of vector contour character with less critical point, and it also can keep the character of vector contour characters.
结果表明,该方法计算简单,以较少的关键点实现了对向量字轮廓的较好拟合,基本保持了字形特征。
For a vector control of a speed sensor less induction motor drive system, a novel speed estimated method using an extended Kalman filter is proposed.
本文针对无速度传感器异步电机矢量控制系统,提出了一个基于卡尔曼滤波器的异步电机速度辨识方法。
The more you can do this the less sterile your digital art will be, since vector art runs the risk of looking too good, too clean at times.
你的矢量作品越追求几何上的完美,你的作品就越没有效果,因为看起来太好太干净了,这样也是在冒险有时候。
A problem solved by the invention is to encode and decode video signals using less or no motion vector data side information.
本发明所解决的问题是使用很少的、或者不使用运动向量数据辅助信息,来对视频信号进行编码和解码。
Motion compensated gain and entropy of motion vector can be improved evidently, but the number of search is less then that of three step method.
达到比三步法还要少的搜索次数,运动补偿增益和运动矢量熵均比三步法有明显改善。
In the classification experiment, we find that the number of the support vector is far less than the number of the training sample number.
在分类实验中,我们发现支持向量的数量远远小于样本数,这为我们解决大规模数据问题提供了方法。
Motion compensated gain and entropy of motion vector can be improved evidently, but the number of search is less then that oft...
达到比三步法还要少的搜索次数,运动补偿增益和运动矢量熵均比三步法有明显改善。
The less entropy is, the less indefinability of risk grade system is, the more dispersed subordinated vector is, the better assessment methods are.
模糊熵越小,系统危险等级的不确定性就越小,隶属度向量就越离散,评价方法就越好。
The underactuation of mechanical systems means that the dimension of the control vectors of systems is less than that of the configuration vector of systems.
机械系统的欠驱动特性是指系统控制输入向量空间的维数小于系统广义坐标向量空间维数的情况。
A control system of bearing less induction motor based on torque winding air gap field oriented vector control is accomplished.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
Moreover, compared to those methods using complete optical flow vector, the new method costs less time because that only normal component of the edge point 'optical flow is evolved in the algorithm.
并且由于仅对于边缘点处的光流法向分量进行处理,算法速度也比基于完全光流矢量的算法有所提高。
In less than 100 pages, this book covers the main vector variational methods developed to solve nonlinear elasticity problems.
在不到100页,这本书涵盖了主要载体的变分方法来求解非线性弹性问题。
The other kind of feature points are those where the absolute value of the scalar product of its normal vector and the view vector is less than a threshold.
另一类特征点是由法向量和视线向量的内积决定的,内积小于给定阈值的点称为特征点。
The other kind of feature points are those where the absolute value of the scalar product of its normal vector and the view vector is less than a threshold.
另一类特征点是由法向量和视线向量的内积决定的,内积小于给定阈值的点称为特征点。
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