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Journal : Energy : Jurnal Ilmiah Ilmu-Ilmu Teknik

Implementasi Metode Proportional Integral Derivative (PID) Ziegler Nichols pada Kontrol Mesin Penyangrai Biji Kopi Liberius Harsen Nggala; Nachrowie Nachrowie; Subairi Subairi
Energy - Jurnal Ilmiah Ilmu-Ilmu Teknik Vol 13 No 1 (2023): Jurnal Energy Vol. 13 No. 1 Mei 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v13i1.1209

Abstract

PID control has been used in simple or complex machine control. Coffee is an agricultural commodity that is widely used as a food and beverage ingredient. Coffee bean roasting is required before it can be further processed (consumed). This research was conducted to create an automatically controlled coffee bean roaster using the Ziegler-Nichols type-1 PID method. This coffee bean roaster is made with a series of roasters, DC motors, servo motors, ESP32, thermocouple sensors, load cell sensors, ceramic stoves, and other supporting components. The bitterness variations of the coffee beans produced are "light" (3-5% moisture content), "medium" (5-8% moisture content), and "dark" (8-12% moisture content). The Ziegler-Nichols PID control is implemented on this machine to control the degree of rotation of the gas faucet servo motor on the stove so that the temperature in the roasting pan matches the specified set point. Based on the results of the research that has been done, the implementation of PID control was successfully carried out at the temperature set point used, 145˚C with a 7,2 KP value, a 0.034 KI value, and a 413.6 KD value. The research tools measurement’s average error was 0.32% for temperature, and 0.24% for weight.