Design of a PID Feed-Forward Controller for Controlling Output Fluid Temperature in Shell and Tube Hear Exchanger
Journal of Electrical and Electronic Engineering
Volume 3, Issue 2-1, March 2015, Pages: 30-34
Received: Dec. 3, 2014; Accepted: Dec. 4, 2014; Published: Dec. 27, 2014
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Authors
Navid Khalili Dizaji, Department of Mechatronics Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Aidin Sakhvati, Department of Electrical Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Seyed Hossein Hosseini, Department of Electrical & Computer Engineering, University of Tabriz, Tabriz, Iran
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Abstract
The most important part in chemical processes, which is directly related to energy consumption, is heat exchanger. Main purpose of heat exchanger is transferring heat from hot fluid to cold fluid. There are different heat exchangers in industry, which their common types are shell and tube heat exchangers. In these heat exchangers, one fluid flows in tubes and the other in shell around tubes. In heat exchangers, one of the important issues is reaching output fluid temperature to given temperature in the least possible time. In this paper, PID controller along with forward-feeding controller was designed to control output fluid temperature of a shell and tube heat exchanger. First, process mathematical modeling is done using experimental data, and then the controller is designed. Designed controller regulates output temperature of heating fluid to a desired point in the least possible time without considering a non-linear process. Then, controller performance is evaluated by unit step response analysis and performance indicators related to the control system. Modeling all processes and designing controllers are done in MATLAB software Simulink.
Keywords
PID Controller, Feed-Forward Controller, Shell and Tube Heat Exchangers
To cite this article
Navid Khalili Dizaji, Aidin Sakhvati, Seyed Hossein Hosseini, Design of a PID Feed-Forward Controller for Controlling Output Fluid Temperature in Shell and Tube Hear Exchanger, Journal of Electrical and Electronic Engineering. Special Issue: Research and Practices in Electrical and Electronic Engineering in Developing Countries. Vol. 3, No. 2-1, 2015, pp. 30-34. doi: 10.11648/j.jeee.s.2015030201.17
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