直流电动机控制器 meaning in English

d c motor controller
direct current

The speed can be adjusted incessantly at the required speed range . the motor also can be kept at the same speed even when the load is three times of the rated load . moreover , the universal of this controller is strong , and the heat dissipation is good
永磁无刷直流电动机控制器样机的测试结果表明：电机转速可在要求范围内连续调节，在几乎三倍的额定转矩范围内，电机转速在设定值下可保持高于指标精度的稳定工作，控制器之间通用性强、散热可靠。
At the same time , we mainly design the hardware and the software of the two control systems . the high quality singlechip of at89c2051 and at89c51 are used as the main microprocessor of the control system . using digital method achieved the speed adjustment and the close - loop speed control which ensure the accuracy of speed adjustment and the speed stability at a def inite speed range
同时就两套无刷直流电动机控制器的硬件电路和软件程序问题进行了重点工程设计，采用了高性能的at89c2051和at89c51单片机作为微处理器，用数字软件技术对电机进行调速和转速闭环控制，使电机在一定范围内能够进行精确调速和速度稳定控制。