Model-based Approach of Controller Design for a FOPTD System and its Real Time Implementation

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Provided by: Iosrjournals
Topic: Hardware
Format: PDF
For SISO (Single-Input-Single-Output) models typically used in the process plants, the Internal Model Control (IMC) is shown to supersede the conventional PID controllers and also it becomes much easier to tune than are controllers in a standard feedback control structure. The conventional PID controllers are used in the process plants to a large extent due to their simple structure and its implementation is also easy. A tuning method based on IMC-PID is proposed for stable FOPTD systems. The IMC-PID controller provides a better trade-off between closed loop performance and robustness to model uncertainties with a single tuning parameter.
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