基于CPLD的编码器数据采集装置研究

绝对式光电编码器以其可靠性好、精度高的优良性能被广泛应用在高精度伺服系统位置检测中。本文以一种绝对式光电编码器为研究对象，介绍了光电编码器的原理，以CPLD为控制器，设计了装置的硬件电路，利用状态机，设计了装置的控制策略。实验结果表明，设计合理、可行。整个装置外围电路少、可靠性高。

Research of Data Read Device for Optical encoder Based on CPLD

As an important position feedback device,the absolute optical encoder is widely used in servo system.In the paper,a data read device based on CPLD is designed.Using the state machine,the control strategy of the data read device is designed.The experimental results show that the performance of the data read device is excellent.