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Controlling coupled tank systems is challenging due to interactions between tanks, nonlinear dynamics, time delays, uncertainties, and cross‐coupling effects. The design of effective control strategies to address these complexities while ensuring stability and robust performance is difficult. Hence, this study focuses on presenting an innovative approach to enhance level control in coupled tank systems...
In this paper, an adaptive fuzzy sliding mode controller (AFSMC) is proposed for regulation of liquid level in a coupled tank system (CTS). In this controller design, a fuzzy variable is considered in the sliding surface in order to reduce the chattering effect. The proposed controller exhibits high robustness against external disturbances and also measurement error. To verify the efficacy of the...
This paper presents design and real-time implementation of a decentralized active disturbance rejection controller (ADRC) for liquid level regulation of a coupled tank system. To obtain a suitable feasible model of the coupled tank system, in this work system identification approach is employed. Further, based on the identified model, a decoupler has been designed to reduce the coupling effects between...
This paper presents a comparative study of two controllers namely Internal Model control (IMC) decoupling controller and an inverted decoupling controller applied to a coupled-tank liquid level system. These controllers are designed based on identified First Order Plus Dead Time (FOPDT) model of a coupled tank system. The performance of the two decoupling controllers are studied considering input...
This paper presents an Internal Model Based (IMC) tuned PI controller for real-time control of a coupled tank liquid level system. The IMC is a model based controller design technique. In present scenario the IMC Controller method is widely used in almost every process control industries as it allows good set point tracking along with sulky disturbance response especially for the process with a small...
This paper presents a Linear Quadratic Regulator (LQR) controller for the real-time control of a coupled tank liquid level system. The model of the coupled tank system has been developed based on system identification technique that employs least square error algorithm (LS) for parameter estimation. The proposed controller algorithm has been applied on the identified model. The performance of the...
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