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| Content Provider | IET Digital Library |
|---|---|
| Author | Verma, Bharat Padhy, Prabin Kumar |
| Abstract | The internal model controller-proportional–integral–derivative (IMC-PID) is one of the simplest model based proportional–integral–derivative (PID) design methods available in the literature. In IMC-PID design, the three variable PID design problem is converted into the single variable design problem with the help of the internal model of the process and an internal model controller (IMC) filter. The IMC filter is used to control the robustness of the process and transient performance. The IMC filter, however, introduces additional phase lag in the process, due to which the stability of the process is compromised to maintain the transient response. In this study, a new indirect design approach of IMC-PID controller is proposed for first-order filter with dead time (FOPDT) and second-order filter with dead time (SOPDT) processes, in which the IMC-PID controller is designed for the pole-zero shifted process instead of original process and the process robustness is tuned with the help of the proposed shifting constant ψ . The proposed design does not involve any IMC filter, which helps to achieve a better IAE and higher Phase Margin at desired Maximum Sensitivity. The proposed method is validated with the help of real-time experiment on water level control of Canonical Tank System and MATLAB simulation examples of the FOPDT and SOPDT processes. |
| Starting Page | 297 |
| Ending Page | 305 |
| Page Count | 9 |
| ISSN | 17518644 |
| Volume Number | 13 |
| e-ISSN | 17518652 |
| Issue Number | Issue 2, Jan (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/13/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2018.5454 |
| Journal | IET Control Theory & Applications |
| Publisher Date | 2018-12-02 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Canonical Tank System Control System Analysis Control System Synthesis Filtering Method in Signal Processing Filtering Theory First-order Filter with Dead Time FOPDT IAE Indirect IMC-PID Controller Design Internal Model Controller Filter Internal Model Controller-proportional–integral–derivative Maximum Sensitivity Phase Margin Pole-zero Shifted Process Process Robustness Robust Control Second-order Filter with Dead Time Signal Processing Theory SOPDT Stability in Control Theory Synthesis Method Three-term Control Transient Response Water Level Control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications |
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