Design of Centralized PI Controller for Interacting Conical Tank System

K  Suresh Manic; S  Devakumar; V  Vijayan   and V  Rajinikanth    nbsp

doi:10.17485/ijst/2016/v9i12/89920

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Design of Centralized PI Controller for Interacting Conical Tank System

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2016/v9i12/89920

Year: 2016, Volume: 9, Issue: 12, Pages: 1-4

Original Article

Design of Centralized PI Controller for Interacting Conical Tank System

K. Suresh Manic¹ , S. Devakumar² , V. Vijayan^2* and V. Rajinikanth²

¹Caledonian College of Engineering, University College, Sultanate of Oman, Muscat; [email protected]²St. Joseph’s College of Engineering, Chennai – 600119, Tamil Nadu, India; [email protected], [email protected], [email protected]

*Author for correspondence
V. Vijayan
St. Joseph’s College of Engineering, Chennai – 600119, Tamil Nadu, India; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Background/Objectives: The objective of this paper is to design centralised controller for liquid level in the two interacting conical tank system. Methods/Statistical analysis: Two Centralised Proportional and Integral (PI) controller tuning method (Davison method and Tanttu and Liestehto method) are used for simulation and implemented in real time process. Findings: Centralised PI controller reduces the interaction between the two interacting conical tank and improves the system performance. The performances are compared in terms of Integral Square Error (ISE) and Peak Overshoot. It is observed that Tanttu and Liestehto method produces better response than Davison method. Applications/ Improvements: Level control in two interacting conical tank is used in chemical industries and water treatment plants.

Keywords: Centralised Controller, Multivariable System, Two Interacting Conical Tank System