功率步进电动机电流波的仿射变换及其应用
The Affine Transformation of the Current Wave of Power Stepping Motors and its Application
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摘要: 本文应用近代解析几何学中仿射变换的概念,导出功率步进电动机电流波的仿射变换,因而可以直接从绕组的电流波形来换算步进电动机的力矩,并进一步导出矩频特性的仿射变换.电流波的仿射变换还可以用来分析多种驱动电源的特性,进而研究新的驱动方法.Abstract: Applying the concept of the affine transformation in modern analytic geometry, a affine transformation of the current wave of power stepping motors can be derived. This makes it possible to compute the torque of motor immediately by the current wave form input to the motor winding, and the affine transformation of the torque-frequency charcteristie can be derived. The affine transformation of the current wave may also be used to analyse the characteristics of several types of motor driving circuits, this may lead to the development of some new driving methods.
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