An improvement of level control of non-linear horizontal tank process using sliding mode controller
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Govinda Kumar Elumalai
and
Vijayakumar Ponnusamy
Abstract
The performance of proportional plus integral (PI) and proportional plus integral plus derivative (PID) controllers are investigated, using a horizontal tank liquid level as the control object. Additionally, sliding mode controller (SMC) is designed and suggested for the level control of horizontal tank process. Also, the closed loop responses of PI, PID and SMC are analyzed in MATLAB and the response of the horizontal tank model are obtained in different set-point levels. This work presents a SMC approach that improves control accuracy, set-point tracking and robustness in level control of horizontal tank process, where traditional and existing PID controllers are less effective. These results demonstrate that the designed SMC controller markedly reduces settling time and also completely eliminate the peak overshoot compared with responses of PI and PID controllers, and similarly minimizes the values of integral of absolute error (IAE) and integral of squared error (ISE). These findings underscore that SMC provides superior performance compared to PI and PID controllers. Furthermore, SMC offers an improved closed loop performance of level control of non-linear horizontal tank process. It also provides more efficient and stable system responses.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Articles in the same Issue
- Frontmatter
- Research Articles
- An improvement of level control of non-linear horizontal tank process using sliding mode controller
- Numerical investigation of inlet pressure effects on condensation flow regime in a supersonic nozzle
- Effects of tapered helical obstacles on heat transfer in tubes
- Gasification process prediction using a novel and reliable metaheuristic algorithm coupled with the K-nearest neighbors
- Evaluating the ionic liquids, commercial solvents, and pressure-swing for efficient azeotropic separation
- A synergistic approach to CO2 sequestration: evaluating trapping mechanisms in saline aquifers
- Diffusion modeling and optimization of drying dynamics of ogbono seed (Irvingea gabonensis): empirical insights into energy indices and process conditions
- Production of polyphenol extracts with antioxidant activity from olive pomace: process modeling and optimization
Articles in the same Issue
- Frontmatter
- Research Articles
- An improvement of level control of non-linear horizontal tank process using sliding mode controller
- Numerical investigation of inlet pressure effects on condensation flow regime in a supersonic nozzle
- Effects of tapered helical obstacles on heat transfer in tubes
- Gasification process prediction using a novel and reliable metaheuristic algorithm coupled with the K-nearest neighbors
- Evaluating the ionic liquids, commercial solvents, and pressure-swing for efficient azeotropic separation
- A synergistic approach to CO2 sequestration: evaluating trapping mechanisms in saline aquifers
- Diffusion modeling and optimization of drying dynamics of ogbono seed (Irvingea gabonensis): empirical insights into energy indices and process conditions
- Production of polyphenol extracts with antioxidant activity from olive pomace: process modeling and optimization
