PI/PID controller design based on IMC and percentage overshoot specification to controller setpoint change |
| |
Authors: | Ali Ahmad Majhi Somanath |
| |
Affiliation: | Department of Electronics and Communication Engineering, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India. ahmadali@iitg.ernet.in |
| |
Abstract: | In this work, the normalized Internal Model Control (IMC) filter time constant is designed to achieve a specified value of the maximum sensitivity for stable first and second order plus time delay process models, respectively. Since a particular value of the maximum sensitivity results in an almost constant percentage overshoot to controller setpoint change, an empirical relationship between the normalized IMC filter time constant and percentage overshoot is presented. The main advantage of the proposed method is that only a user-defined overshoot is required to design a PI/PID controller. Simulation examples are given to demonstrate the value of the proposed method. |
| |
Keywords: | Internal model control Maximum sensitivity PID Controller Robustness |
本文献已被 ScienceDirect PubMed 等数据库收录! |
|