By adopting PID synchronous control algorithm, single chip microcomputer and photoelectric digital measuring technology, multi motor synchronous drive microcomputer control device ws developed.
采用PID同步控制算法、单片机控制技术和光电数字测量技术，研制了多电机同步传动微机控制装置。
2
Photoelectric rotary encoder, which is also called photoelectric angel position sensor, is a kind of digital angle measuringdevice combining optics, mechanics and electronics.
光电轴角编码器，又称光电角位置传感器，是一种集光、机、电为一体的数字测角装置。
3
A current measuringdevice comprising a current detector (10) and a photoelectric converter (20).