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RANCANG BANGUN ALAT UJI KUALITAS DENSITY BAHAN BAKAR MINYAK BERDASARKAN METODE TEKANAN HIDROSTATIS Yul Ardiansyah; Riza Alfita; Koko Joni; Haryanto
J-Eltrik Vol 3 No 1 (2021): July
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v3i1.61

Abstract

The measurement of the quality of the density of fuel oil is one of the mandatory activities in the management of the fuel oil supply station (SPBU) business. Density quality test is Pertamina’s way to maintain the quality or standard of fuel that will be used by gas station producers. Measurement of the quality test of the standard density of fuel used at gas stations is conventional or manual measurement using a hydrometer and thermometer. In this final project, a design tool for quality fuel oil density test is made which is useful for maintaining the quality of Pertamina’s fuel when distributed to gas stations by using parameters of density and temperature. This research aims to produce a quality density test tool for fuel in accordance with the standard density set by Pertamina using the ATMEGA16 microcontroller-based hydrostatic pressure method and the Sturdy PC521 USB Webcam Camera as a detector for the height of a liquid and the MLX90614 sensor as a temperature detector. Because the parameters of this method can only be used in ideal conditions, to get the density according to the measurement standards of Pertamina, the combination value for Lux needed by the camera and the camera's viewing distance is with the light intensity 54-59 Lux with a webcam camera distance of 40cm facing the object (Fuel Oil). Output processing from the Sturdy PC521 Usb Webcam Camera and MLX90614 sensor will be displayed in the Delphi XE7 GUI.
Rancang Bangun Alat Penyangrai (Roasting) Kopi Otomatis Menggunakan Metode Fuzzy Diana Rahmawati; Nanda Muhendra Data; Haryanto; Miftachul Ulum
J-Eltrik Vol 3 No 1 (2021): July
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v3i1.62

Abstract

One of the processes in making coffee is the roasting process, this process is the processing of raw coffee beans into ripe coffee beans. Each roasting has a different way, both traditional and modern. As for the traditional method, from the process carried out the results of the ripeness of the coffee beans obtained are still not evenly distributed so that it is not as desired and the use of tools in the roasting process is less efficient. Meanwhile, in the modern way, the tools used must be appropriate based on the characteristics so that if they are not used according to the rules, the results of the roasting are not appropriate. From these problems, an efficient roasting tool will be made to produce quality coffee beans maturity. The working system of this tool uses a coffee weight input that uses the fuzzy logic method to get the ripening time of the coffee beans and then this tool will work by rotating the coffee bean stirrer inside the roasting tube using a dc motor (direct current) based on the time obtained. Heating uses a heating element, with an automatic control system based on the detected temperature sensor and will then control the heater to the desired temperature. If the temperature is still less than the set point then heating will remain on, whereas if the temperature exceeds the set point then heating will be turned off. So that a stable heating temperature is obtained. From the tests that have been done, this tool can ripen 3 types of coffee beans, namely robusta, arabica, and liberica. This tool has 3 variants of ripeness of coffee beans, including light roast, medium roast and dark roast.
Co-Authors Aldo Reftya Tegar Saputra Diana Rahmawati Gian Putra Hoetomo Koko Joni Kunto Aji Wibisono Nanda Muhendra Data Riza Alfita Ulum, Miftachul Yul Ardiansyah