The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现,采用了控制状态机与PWM发生电路相结合的方法。
Because fractal dimension can not respond to the orientation of the gray level images, an image orientation Angle estimating method is proposed by basic knowledge of vector algebra.
由于分数维不能反应灰度图像的方向性,本文利用矢量代数的基本知识,提出了一种灰度图像方向角的提取方法。
Under this premise, the algorithm of data simplification is offered which combines the method of distance threshold with the one of vector angle.
以此为前提,提出了距离阈值法和向量角度法相结合的数据精简算法。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量,使其矢量角均匀变化,减小电压波形中的高次谐波分量。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量,使其矢量角均匀变化,减小电压波形中的高次谐波分量。
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