Open AccessDesign and optimization of digitalization device of temperature control system using PID Ziegler-Nichols control in chemical engineering laboratory
Author(s) -
Chandra Wiharya,
H. Sungkowo,
A. S. Suryandari,
Bagus Kurniawan
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1073/1/012051
Subject(s) - pid controller , temperature control , heat exchanger , control theory (sociology) , practicum , controller (irrigation) , control system , materials science , thermodynamics , computer science , control (management) , engineering , control engineering , mathematics , physics , electrical engineering , agronomy , mathematics education , artificial intelligence , biology
The Temperature Control Module is a tool that is useful for adjusting the temperature of a liquid or solution so that the temperature of a liquid is as determined. A device that uses a heat exchanger as a place to combine temperature, so that the temperature of a liquid with another liquid will meet there so that the temperature of the liquid in the heat exchanger can be changed. From the temperature control practicum module prototype in the chemical laboratory, it is known that in the open loop test with hot water input temperature above 90 °C and cold water input temperature 28 °C an output value of 69 °C is obtained. This value is stable but slowly decreases. By providing feedback and the controller in the form of sensors and data will be processed by the PLC, then a value that corresponds to a set of values is obtained, namely 60 °C, but the output temperature is unstable because the output graph is still fluctuating and unstable. Based on experimental calculations and PID calculations using the Ziegler Nichols method, the Kp = 30, Ti = 77.95, and Td = 19.489 were obtained. By providing the PID algorithm calculated by the Ziegler Nichols method, it can increase the output temperature to 58 °C. This is due to the addition of the PID gain to be more substantial so that the system becomes unstable.