PID 控制
1. PID演算法: The PID Algorithm http://www.jashaw.com/pid.html 2. PID算法及參數調控方法: PID ALGORITHM andTUNING METHODS http://www.jashaw.com/pid/tutorial/ 3. 封閉迴圈控制介紹: Introduction to Closed-Loop Control http://www.netrino.com/Publications/Glossary/PID.php 4. Wiki百科: PID控制器 http://zh.wikipedia.org/wiki/PID%E6%8E%A7%E5%88%B6%E5%99%A8