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EVALUATION of CONTROL STRATEGIES of PRESSURE of GAS PLANT USING MATLAB Xpc-TARGET

ZAILANI, MOHD SYAHRUL RIDHWAN (2007) EVALUATION of CONTROL STRATEGIES of PRESSURE of GAS PLANT USING MATLAB Xpc-TARGET. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Instrumentation and control engineers are often responsible for the operation of process control such as chemical and gas processes. As these processes and controllers are becoming more complex, the role of process automation becomes more and more important. For the monitoring and controlling of an industrial plant process, a proper controller needs to be design to achieve a good strategy. The main objective of this project is to study a plant behavior and to optimize its performance by simulating it using several types of control strategies. The first task is to model the pressure plant using an empirical modeling method. The purpose is to produce the plant transfer function that can be used for pressure controller analysis. By having the model, there is an alternative way to obtain forecasted data and result for use in this study. The second task is to reconstruct a MATLAB / Simulink model. The Simulink model will be interfaced with the plant via an Xpc Target card to enable real-time analysis of the control strategies. The third task is to analyze the model pressure controller performance using different ways oftuning method. Different tuning techniques give similar but not identical result. Five tuning method in open loop and three closed loop tuning method are being compared, namely open loop and closed loop Ziegler - Nicholas, Cohen-Coon, Fertik, Giancone and Lopez and Tyreus-Luyben and Ziegler-Nichols Bode plot methods are compared. The tuning methods were analyzed to yield the best result for the control valve. Finally the data of the PI controller from each of the tuning method is fed into closed loop Matlab and also to the Simulink Xpc-Target for the real-time analysis and comparisons ofthe control strategies performance.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Pervasisve Systems - Digital Electronics - Test and Reliablity
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Users 2053 not found.
Date Deposited: 23 Oct 2013 15:34
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/9518

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