| Popis: |
In this paper, we report an interesting superiority of fractional order controllers over conventional order controllers. It is found that the fractional order proportional-integral controllers (PIα and [PI]α) designed for precision modular servo experimental setup to meet given loop shaping requirements outperform the correspondingly designed integer order PID in limit cycle suppression. More precisely, a pretty significant reduction in the limit cycle amplitude is observed with PIα and [PI]α as compared to the normal (integer order) PID in the real time closed loop system response. |
