Next is software design of the system, including overall system flow chart, throttle position detection map and the step motor commutation and the point of sub-flow chart.
系统的设计除了硬件还需要软件来支撑，软件设计包括系统整体流程图、油门位置检测图和步进电机换相及角度细分流程图。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
无刷直流电机电枢反应造成反电势法无传感器控制中的转子位置检测误差。
Using the motor control special chip ML4428, the counter electromotive force detection and back-EMF commutation were realized.
所设计的无刷直流电机稳速控制系统用电机控制专用芯片ML4428实现了反电势的检测、换相和功率驱动；
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