direct axis

基本解释

Pump and motor direct-axis, is a mechanical-electrical integration products, compact structure, stable performance.
泵与电机直联同轴，属机电一体化产品，结构紧凑，性能稳定。
And according to the mathematical model, vector control principle and minimal direct axis current control and its digital realized method were discussed.
结合数学模型，讨论了有关矢量控制的原理和直轴电流最小控制的数字实现方法。
Then the variation of direct axis and quadrature axis inductances was obtained by 3D finite element method for the taper permanent magnet motor with the taper rotor at different axial locations.
之后采用三维有限元方法求取了转子在不同轴向位置时电机的交直轴电感，得到了该种电机交直轴电感参数的变化规律；