针对这一问题，提出了利用可编程计算机控制器(PCC)控制磁滞测功机实现串行通信加载的方法，并设计了一新型负载特性模拟实验系统。

Aimed at this problem, a method of serial communication loading on HAD which is controlled by PCC (programmable computer controller) was proposed, and a novel experimental system was designed.

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结果表明，采用非线性控制规律，负载模拟系统的跟踪特性好，且系统能有效抑制强扰动所引起的多余力矩。

The result shows that load simulation system has a nice tracking characteristic by means of nonlinear control law, and the redundant moment brought by strong disturbance can be effectively restrained.

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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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