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Modelling and controller design for temperature control of power plant heat exchanger

Emhemed, Abdulrahman A. A. and Alsseid, Aleisawee and Burhannuddin, Dirman Hanafi (2017) Modelling and controller design for temperature control of power plant heat exchanger. Universal Journal of Control and Automation, 5 (3). pp. 49-53. ISSN 23316500

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Power Plant Heat exchanger is widely used in chemical and petroleum plants because it can sustain wide range of temperature and pressure. Heat exchanger is a high nonlinearity and poor dynamics plant; therefore it is complex to model and difficult to control its dynamics. In this paper two types of heat exchanger model and controller are applied for selecting suitable model and controller. First model is called (Physical model) and derived using real parameter of heat exchanger plant. Second, a Second Order Plus Dead Time (SOPDT model) that is derived from the response of heat exchanger. While the controllers are consisted of fuzzy proportional derivative (FPD) controller and proportional integral derivative (PID) controller and applied to the model and their responses are compared with the existing PID controller. The PID controller response based on Physical model gives similar response of existing PID controller based real heat exchanger plant in comparison with SOPDT model. That means the Physical model is able to represent the heat exchanger plant dynamics more accurately than SOPDT model. For the controller, the FPD control gives a slight enhancement based on SOPDT model. Therefore, FPD controller is more suitable than PID controller.

Item Type: Article
Uncontrolled Keywords: Power plant heat exchanger; modelling; fuzzy control; PID control
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212-225 Control engineering systems. Automatic machinery (General)
Divisions: Faculty of Electrical and Electronic Engineering > Department of Robotic and Mechatronic Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 11 Feb 2019 00:52
Last Modified: 11 Feb 2019 00:52
URI: http://eprints.uthm.edu.my/id/eprint/10609
Statistic Details: View Download Statistic

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