Fajar, Sauw Albertus and Loebis, Dedy and Hendriana, Dena and Baskoro, Gembong (2016) Temperature Control in Heat Exchanger System Using Fuzzy Logic Controller. Masters thesis, Swiss German University.

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Abstract

Heat exchanger is one of the simplest and important unit for the transfer of thermal energy. Upgrading this device control ability become significant. Waste heat used in ORC (Organic Rankine Cycle) has the characteristics of fluctuating temperature and unstable mass flow rate . To get stability at the outlet temperature and prevent heat exchanger damage, this process need a good control system by the selecting suitable valve capacity to prevent undersizing and oversizing, and also advanced controller programming. Modeling and simulation of PID and fuzzy logic controller using Simulink implemented to optimize response time to the system. To evaluate the performance of the controllers this research has considered two vital parameters of the step response of the system, maximum overshoot and settling time. Control valve size is 8" valve diameter with 3" maximum travel. According to Cv amount and 8" valve travel data, valve will be travel at 40% to 60% range. The fuzzy logic controller provides good performance in steady state and transient state response compare to conventional PID controller. The maximum overshoot is only 2% compare to PID controller is 82% and also the settling time is 110 sec compare to PID controller is 130 sec.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Heat exchanger; Simulink; Fuzzy Logic Controller; PID Controller; Cv
Subjects:	Q Science > QA Mathematics > QA9.64 Fuzzy logic T Technology > TJ Mechanical engineering and machinery > TJ163.12 Mechatronics
Divisions:	Faculty of Engineering and Information Technology > Department of Mechatronics Engineering
Depositing User:	Atroridho Rizky
Date Deposited:	13 Jul 2020 13:32
Last Modified:	13 Jul 2020 13:32
URI:	http://repository.sgu.ac.id/id/eprint/1129

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