基于FPGA的可重构测速模块设计

光电编码器以其高精度和高可靠性而被广泛用于各种位移、角度测量的场合。已经有很多测量的方法出现。提出一种嵌入式系统可重构系统设计的方法，把光电编码器测速检测作为模块嵌入系统中。并且基于这种方法设计了一个控制系统，充分利用了FPGA的高速可重构特性。最后给出了一些FPGA的仿真结果验证。

Design of Reconfigurable Speed Measurement Based on FPGA

Photoelectric encoder is widely used in displacement and angle measurement for its high accuracy, high reliable. Several contributions have appeared in the method of the measurement. This paper brings forward hardware design methods of reconfigurable, which embed the measurement function as a module in control system. And based on this method, a measurement control system is built, which takes full advantage of the high speed of reconfiguration of FPGA. Finally, some simulations on how the FPGA performances are given.