This system composition of the DC torque motor driver for stabilized platform of airborne SAR which includes single chip computer R / D converter PWM amplifier A / D and D / A circuit and communication interface is introduced in this paper .

介绍了稳定平台直流 力矩电机驱动器的系统组成，包括单片机、R/D变换器、脉冲宽度调制（PWM） 功放 电路、A/D和D/A电路、通信接口电路。

In the fourth chapter the circuit design of strain gauge torque instrument is expatiated in detail . In this circuit the V / F converter and amplifier circuit are pivotal parts .

第4章对应变式 扭矩仪的硬件电路设计作了详细的阐述，首先对与 旋转 轴一起 转动的电路部分进行了设计，这部分电路的关键元件是 放大电路和V/F转换器。

The system consists of ( 1 ) a torque motor made out of ferrite permanent magnet 2 ) a harmonic drive gear 3 ) a linear amplifier or a pulse width modulative amplifier and ( 4 ) a sensor .

本系统包括（1）铁氧体 力矩电机，（2）谐波减速齿轮，（3）线性 放大器或脉宽调制放大器，（4）传感器等元件。

Actuation of one clutch provides positive torque to the final drive the capstan acting as the main power amplifier .

一个离合器的作用是给最后一级传动机构，即作为主功率 放大器的绞盘，提供正向 力矩。