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Fuzzy-Based Auto-Tuned IMC-PID Controller for Level Control Process

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Computational Intelligence, Communications, and Business Analytics (CICBA 2017)

Abstract

Internal Model Control (IMC) technique is a very popular tuning methodology for process industry due to its straightforward designing and simple tuning guideline. IMC offers a model based controller designing approach, so appropriate identification of process model is very important. But, in reality, a good number of the industrial processes are nonlinear in behavior. Hence, identifying a linear model for them at dynamic equilibrium condition is the most challenging task so that the required IMC controllers can be suitably designed. Therefore, in presence of varying process dynamics, IMC controllers usually fail to offer acceptable responses. To get rid of this constraint, here an auto-tuned IMC-PID controller for a real-time level control process is proposed where the only tuning parameter of IMC-PID controller i.e. the closed-loop time constant (\( \lambda \)) is varied with the help of a fuzzy rule base which is designed based on the process operating conditions i.e. the current value of process error (e) and change of error (\( \Delta e \)).

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Correspondence to Ujjwal Manikya Nath .

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Nath, U.M., Dey, C., Mudi, R.K. (2017). Fuzzy-Based Auto-Tuned IMC-PID Controller for Level Control Process. In: Mandal, J., Dutta, P., Mukhopadhyay, S. (eds) Computational Intelligence, Communications, and Business Analytics. CICBA 2017. Communications in Computer and Information Science, vol 775. Springer, Singapore. https://doi.org/10.1007/978-981-10-6427-2_30

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  • DOI: https://doi.org/10.1007/978-981-10-6427-2_30

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6426-5

  • Online ISBN: 978-981-10-6427-2

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