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Journal : Journal of Electrical Technology UMY

Microcontroller-Based Automatic Treatment Skin Treater Design Rama Okta Wiyagi; Anna Nur Nazilah Chamim; Muhamad Yusvin Mustar; Adi Nugroho; Yessi Jusman
Journal of Electrical Technology UMY Vol 2, No 4 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2444

Abstract

Rubber or rubber trees (Hevea brasiliensis) is one of the export commodities that become the source of income for the state income. From year to year, the increasing demand for rubber in various areas is very significant. Dusun IV Bandar Sidomulyo is a hamlet located in Lempuyang Bandar Village, Way Pengubuan Subdistrict, Central Lampung Regency with ± 200 houses where source of livelihood is still depend on rubber plantation. So the residents must be willing to peel the skin of rubber plants at early days to get maximum rubber yield. The prototype of Automatic Rubber Tree Tool based on Microcontroller that has been designed works peeling the bark of a tree with depth 1,5 mm with Duwet or Jamblang (Syzygium cumini) trees as an object, so that the tool can be used to peel rubber automatically on rubber trees generally.
Automatic Gate Prototype Based on Microcontroller of Atmel ATMega16 Anna Nur Nazilah Chamim; Raja Erwanto; Agus Jamal
Journal of Electrical Technology UMY Vol 1, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.1208

Abstract

Aside from being a place of lectures, UMY also has several business units such as building rental, bus rental, auto care, and drinking water production. From the activities of UMY's business unit caused the number of outside vehicles entering UMY. The public vehicle does not have RFID as well as the UMY's internal civitas. Currently still using manpower to provide parking cards and open the door. In this study, a prototype of an automated parking system can provide a parking card and open the entrance. This prototype uses a switch as a sensor, a microcontroller as a controller, LCD as a guide display for the model of vehicle that will enter, and motor servo DC as the driver of parking doors. The entire circuit is able to form a prototype automatic parking door at UMY
Performance Analysis of Synchronous Generator: A Case Study in Steam Power Plant at PT POMI Paiton Unit 7 Probolinggo, East Java, Indonesia Ramadoni Syahputra; Andi Wahyu Nugroho; Anna Nur Nazilah Chamim; Widyasmoro Widyasmoro; Teguh Iman Prasetyo
Journal of Electrical Technology UMY Vol 2, No 4 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2445

Abstract

This paper presents performance analysis of synchronous generator: a case study in steam power plant PT POMI Paiton unit 7 Probolinggo, East Java, Indonesia. The steam power plant is the most powerful in Indonesia. The dominance of this type of power plant can be seen from statistical data that until the end of 2018 there were 48.43% of steam power plants out of the total installed capacity of national plants. Generators used in steam power plants are generally of the synchronous generator type, which in its operation always experiences dynamics from time to time as the load changes in electricity. In this study, an analysis of the performance of synchronous generators has been carried out concerning changes in electricity load. Synchronous generator performance analysis includes output voltage, active power, reactive power, power factor, and generator efficiency. The steam power plant in this study is the largest capacity power plant in Indonesia, thus providing an important role in the supply of electric power. Based on the results of the study, it has been shown that although the load dynamics that experience changes are very dynamic, the generator performance still has good performance.
Design and Development of Fan Speed and Light Speed Control Systems with Android-Based Voice Commands Anna Nur Nazilah Chamim; Rama Okta Wiyagi; Karisma Trinanda Putra; Faruliyan Arya Ferisnanda; Yessi Jusman
Journal of Electrical Technology UMY Vol 2, No 2 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2236

Abstract

At this time controlling electrical equipment in the form of fans and lights are still mostly using conventional switches. By using an android voice command device with a bluetooth connection, controlling the equipment can be easier. Using a Bluetooth connection will reduce the use of cables and speed up the process of activating or deactivating electronic devices because they do not have to get close to reach the switch. With input in the form of voice commands is very easy in controlling electronic devices such as fans and lights. With the adjustment of the fan speed and brightness of the lights with voice commands can save electricity and more easily in its settings