分数阶控制器与整数阶控制器仿真研究

Simulation Research on Fractional Order Controllers with Integer Order Controllers

分数阶PID控制器多了两个可调参数,可以取得更好的控制效果.针对位置伺服系统测试问题,设计了分数阶PID控制器,并与整数阶PID控制器相比较,仿真结果演示了分数阶PID控制器的控制效果明显优于最好的整数阶PID控制器.无论是在输入发生变化,还是系统负载或参数变化,给出的分数阶PID控制器的控制效果都是比较稳定的.

Due to the extra tuning knobs, fractional order PID controllers are expected that better control performance can be achieved. The fractional order PID controllers were designed for a benchmark of servomechanism, comparing the best integer order PID controllers. Simulations demonstrate that the behavior of fractional order PID controller is much better than the best integer order PID controllers, in transient responses as well as disturbance rejection.