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All Journal JURNAL INTEGRASI Journal of Renewable Energy, Electronics and Control
Alan Novi Tompunu
Teknik Komputer, Politeknik Negeri Sriwijaya
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Rancang Bangun Camera Face Tracker dengan Menggunakan Metode Haar-Like Feature dan PID RD Kusumanto; Wahyu Setyo Pambudi; Alan Novi Tompunu; Bon Maria Nurintan Simorangkir
JURNAL INTEGRASI Vol 5 No 1 (2013): Jurnal Integrasi - April 2013
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Computer Vision is one branch of the Field Science Image Processing which allows computers to see like humans, recognize objects and make decisions one example application is face detection, which later developed as the face tracker. Haar-like feature is a feature based on the Haar wavelet. Haar wavelet is a single square wave (high and low). For two dimensions, one light and one dark. The workings of haar-like features in a face detection technique is to use a sliding window, the whole picture and try to see if there is a part of the image that is shaped like a face or not. Controller Proportional-Integral-Derivative (PID) closed loop control model is a widely used in industrial. This control model will calculate the error as the value of the difference between the measured results with the desired set point value. Controller PID will minimize the error by adjusting the process control inputs. In this study utilizing Haar-like feature and PID to perform the face tracker system, starting with the webcam detects a face, using EmguCV will determine the required set-point motor driver to drive the motor with a PID controller, thus motor will follow the movement of the face to the left and or right.Based on the test results in this study, the system can recognize the faces with optimal response whenthe value of Kp = 0.8, Ki = 0001 and Kd = 0.05 and an average error of 2%.
Prototype Alat Monitoring pH Tempoyak Berbasis Mikrokontroller Alan Novi Tompunu; Aryasatya Novi Kohari; Marta Tika Handayani
Journal Renewable Energy, Electronics and Control Vol 5, No 1 (2025): JURNAL JREEC
Publisher : Department of Electrical Engineering, Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jreec.2025.v5i1.7004

Abstract

Monitoring pH in the tempoyak fermentation process is essential to ensure the quality and safety of the final product. Uncontrolled pH values can affect the success of fermentation and produce poor-quality tempoyak. This research aims to design and develop a prototype of a microcontroller-based tempoyak pH monitoring device. It uses a pH sensor to measure the acidity level of tempoyak during the fermentation process, which is then processed and displayed on an LCD screen. Arduino microcontrollers are used as data processors that can also provide alerts in the form of alarms if the pH value is outside the desired range. The test results show that this tool is able to provide accurate and real-time pH measurement results. With the use of microcontrollers, this tool can make it easier to monitor pH automatically and efficiently, and provide convenience for tempoyak manufacturers in maintaining product quality
Co-Authors Aryasatya Novi Kohari Bon Maria Nurintan Simorangkir Marta Tika Handayani RD Kusumanto Wahyu Setyo Pambudi