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Perancangan Exhaust Fan dengan Kontrol Kecepatan Otomatis dan Ventilasi Otomatis Berbasis Suhu dengan Mikrokontroler Adfa Alfiansyah, Achmad; Budihardjo, Rafiel Syafa; Prasetyo, Muhammad Emery; Akbar, Alifsyah; Muslimin, Muslimin; Luqyana, Dhiya; Milah Muhamad, Azam
Manutech : Jurnal Teknologi Manufaktur Vol. 17 No. 02 (2025): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v17i02.518

Abstract

As a tropical country, Indonesia often faces hot air temperatures, affecting indoor comfort, including restaurants and cafes. This condition requires the development of technology that can maintain air circulation efficiently and adaptively. Conventional exhaust fans are often not compelling enough because they cannot adjust their operations to changes in environmental conditions automatically. This study uses a microcontroller to develop an automatic speed control system for exhaust fans and automatic ventilation to overcome this temperature and humidity problem. This system uses temperature and humidity sensors to detect environmental conditions, regulate fan speed with a motor driver, and control automatic ventilation via a servo motor. This system design has been realized and has been tested. The experimental results show that the system can work according to the desired parameters, provide an efficient solution for temperature and humidity control, and has the potential to be applied in various environments, especially in restaurants and cafes that require optimal air comfort.
Design and Development of a Line-Following Automatic Guided Vehicle (AGV) Model as a Food and Beverage Delivery Platform Luqyana, Dhiya; Putri, Nuke Earlyana; Muslimin, Muslimin; Milah Muhamad, Azam
Jurnal Mekanik Terapan Vol 7 No 1 (2026): April 2026
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v7i1.8282

Abstract

An Automatic Guided Vehicle (AGV) is an automated vehicle used to support the delivery of food and beverages in restaurant service systems, where manual methods still carry risks of delays and spillage. This study designs and builds a line-following AGV using a Quality Function Deployment (QFD) approach with screening and scoring concepts to translate user needs into the technical specifications of the device. The research stages include needs identification, mechanical and electronic design, Arduino programming, and track testing. The AGV is capable of following a path with high accuracy using infrared sensors, automatically stopping at the destination, and detecting obstacles via ultrasonic sensors, with a buzzer serving as a delivery indicator. Test results show stable delivery performance with a relatively low spillage rate of 10%–13.33%. The AGV measures 40 × 30 × 43.6 cm, uses a 12 V battery, two DC motors, has a speed of 0.25 m/s, a maximum load capacity of 2 kg, and is controlled by an Arduino Uno with an integrated sensor system.