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Journal : Foristek

IMPLEMENTASI FUZZY LOGIC UNTUK KUALITAS UDARA, SUHU, DAN KELEMBABAN UDARA BERBASIS IOT Tamaji, Tamaji; Utama, Yoga Alif Kurnia
Foristek Vol. 13 No. 1 (2023): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i1.249

Abstract

Air is the most important factor in human life. Air quality is the most supportive factor in the development of everyday living things. Temperature, Humidity and PPM (Parts Per Million) substances in the air are the parameters most often found in the environment around where we live. Every day there is and increase in pollution from motorized vehicles without us knowing how bad or good the air condition in our environment is. Therefore we need and air quality monitoring to find out how good the air condition around us is by using the MQ-135 gas sensor which is produces air quality output and using the DHT11 sensor which is output the temperature and humidity of the air around the sensor. And using an ESP8266 microcontroller based to display the output on the sensor anywhere and anytime with internet. It is hoped that this tool can be useful to determine the condition of the room good or bad so that users can improve the condition of the room where they live. It is also hoped that this tool can detect gasses leaks that occur in closed room and provide a warning to the user’s cellphone.
DESAIN TUNING PID MENGGUNAKAN DIFFERENTIAL EVOLUTION (DE) UNTUK SISTEM PENGATURAN SUHU PADA INKUBATOR Utama, Yoga Alif Kurnia; Dhaniswara , erwin
Foristek Vol. 13 No. 2 (2023): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i2.319

Abstract

The temperature in the room is very dependent on the temperature outside the room. If the temperature outside is unstable, the impact will be reflected on the temperature instability in the room. This creates challenges in controlling room temperature that require a level of consistency, such as in a baby incubator machine, oven, or egg hatcher. Thus, a temperature regulation strategy is needed to overcome disturbances arising from external temperature fluctuations. This research proposes a solution through the use of innovative control methods, namely by making conventional PID control and PID Disturbance Observer. The value of the PID constant will use the Differential Evaluation (DE) method. Both will be tested on an incubator system through simulations at MATLAB2014a with performance index criteria in the form of ITAE. Interference will be introduced into the system by magnifying the temperature difference between inside and outside the incubator so that heat transfer occurs which will affect the temperature inside the incubator. The results showed that the ITAE value of the Distubance Observer PID control was 0.035, while the ITAE of conventional PID control was 0.242. This shows that the PID Disturbance Observer control is an effective control in controlling the temperature inside the incubator and maintaining that temperature from outside interference.