扫描电机线性段参数的动态测试方法研究

Dynamic Test Methods Research of Parameters of the Linear Section of the Swing Motor

扫描电机是一种高精度、高频率的图像扫描器件,对扫描电机线性段的有效摆动角度、速度均匀性、时间利用率、运动零位重复性等各特性参数的高精度测试是必要的。该文介绍了利用光电位置探测器作为敏感元件动态地测量扫描电机的特性参数,据据光学成像原理和分析扫描曲线的外形特征,设计了一个光学实验系统,并对扫描电机进行测试。实验表明,该种测试方法很好地解决了动态地、高精度地测量扫描电机线性段参数。

The swing motor is a higher precision,higher frequency scanning device.It is necessary to measure swing angle,velocity uniformity,time availability,dynamic zero repeatability accurately in the linear part.According to the optical imaging principle and the features of scanning curve,this paper introduces an optical test system which makes use of position sensor detector（PSD） to measure the dynamic parameters of the motor.The experiment shows that this method can realize the measurement of the dynamic parameters of the swing motor in the linear interval.