介绍一种新型的螺旋桨特性负载模拟装置，它是全数字控制的直流转矩伺服系统，采用转矩电流双闭环控制方式。

A new equipment for simulated the performance of propeller load is introduced in this paper, it's an all digital DC torque servo system using torque closed loop and current closed loop control.

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为了提高无刷直流电机的控制效果，运用TMS320 LF 2407 A芯片，建立了无刷直流电机全数字双闭环控制系统，给出了硬件电路设计和部分软件编制方法。

To improve BLDCM control result, this paper establishes a full digital double closed loop system which USES microprocessor-TMS320LF2407A to control the communication and speed of BLDCM.

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系统的测试结果表明，基于DSP的无刷直流电动机控制系统，可以实现对电动机的全数字化双闭环控制。

The testing results show that the control system based on DSP can implement closed loop control the DC motor.

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