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Pengaruh Penggunaan Perturb & Observe pada MPPT terhadap Daya Keluaran Sel Surya Dalimunthe, Ernando Rizki; Kurniawan, Freddy; Lasmadi, Lasmadi
AVITEC Vol 1, No 1 (2019): Agustus 2019
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (746.328 KB) | DOI: 10.28989/avitec.v1i1.483

Abstract

Optimizing the solar cell output power requires a tracker. The tracker which produce a maximum output power is called a maximum power point tracking (MPPT). In this research, each component in MPPT is modeled into Simulink. By using a perturb and observe (P & O) algorithms, this simulation is designed to optimize the solar cell output power. The output of the algorithm is a duty cycle. This parameter is fed into a buck-boost converter to convert the solar cell output voltage to the output voltage. The simulation results show that MPPT can increase the output power up to 37.82% dispite of the sun irradiation, temperature and load changes.
Rancang Bangun Sistem Pengering Gabah Otomatis Menggunakan Metode Fuzzy Berbasis Arduino (Studi Kasus : PP.SR Desa Fajar Baru Kecamatan Jati Agung Lampung Selatan) Pranita, Elka; Pala, Nanda Dana; Sembiring, Jaka Persada; Dalimunthe, Ernando Rizki; Putri, Novia Utami; Jasa, Lie
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P18

Abstract

This research aims to design and implement an Arduino-based automatic grain drying system using the fuzzy control method. The case study was conducted at PP.SR Fajar Baru Village, Jati Agung District, South Lampung. This system is designed to overcome post-harvest grain drying problems which are often affected by weather factors in the region. This system uses temperature and humidity sensors to measure environmental conditions, as well as fuzzy logic control to set optimal drying temperatures. The implementation of this automatic grain drying system aims to increase efficiency, quality and productivity in the post-harvest grain drying process. It is hoped that the results of this research can make a positive contribution to agriculture in the region and become a model for the development of similar technology in the future. Keywords : Grain Dryer System; Arduino; Fuzzy Control Method; Fuzzy Logic Control; Drying Efficiency.
Potensi Dan Tantangan Implementasi Fly-By-Wireless Pada Pesawat Komersil Dalimunthe, Ernando Rizki; Harahap, Irma H A; Astuti, Y
SENATIK STT Adisutjipto Vol 7 (2022): Generation Z's Participation in Aerospace
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v7i0.453

Abstract

Recently, sophisticated aircraft such as commercial aircraft have more various components than before. This fact causes an impact in increasing wiring complexity and resulting in more weight to the airplane. To replace the cables, wireless mode is applied, which is called wireless avionic intra-communications (WAIC). In this article, several wireless communication protocols are recommended to be used in some application sensors on the aircraft. The sensor application selection on the aircraft is based on the type of communication data required from each sensor and based on the location of the sensor. The recommended protocol for each application is concluded based on the characteristics of the communication protocol such as signal rate and nominal distance.
JWT AUTHENTICATION UNTUK KEAMANAN WEB SERVIS E-COMMERCE (CV JASTRA CARD) Roihan, Muhammad; Nurkholis, Andi; Pasha, Donaya; Koeswara, Wawan; Dalimunthe, Ernando Rizki
TELEFORTECH : Journal of Telematics and Information Technology Vol 5, No 1 (2024): TELEFORTECH VOL 5, NO 1 (JULI 2024)
Publisher : Fakultas Teknik dan Ilmu Komputer, Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/tft.v5i1.4588

Abstract

Pelayanan sistem e-commerce CV. Jastra Card kurang aman, terutama untuk transaksi data antar jaringan. Penelitian ini bertujuan untuk memberikan keamanan dan distribusi yang efektif pada web service e-commerce yang menggunakan JSON Web Token dengan algoritma HMAC-SHA 512 serta dikombinasikan dengan metode refreshing token authentication pada CV Jastra Card, yang merupakan salah satu cara untuk melindungi kerahasiaan dan integrasi data. Penelitian ini menggunakan metode pengembangan aplikasi cepat yang mencakup fase rencana, desain pengguna, pembangunan, dan cutover. Hasil penelitian ini menunjukkan bahwa token web JSON dapat melindungi autentikasi akun pengguna saat menggunakan framework Django yang berbasis Python untuk mengembangkan sistem web service. Karena refreshing token memiliki kemampuan untuk memberikan akses selama masa hidup token dan memiliki kemampuan untuk memblokir token yang sudah expired, penggunaan refreshing token lebih efektif daripada akses token biasa.
Inovasi Energi Berkelanjutan : Pembangkit Listrik Tenaga Biomassa Dari Bioetanol Tetes Tebu/Molasess Muhammad Kiki Darmawan; Novia Utami Putri; Elka Pranita; Agus Riyanto, Dwi; Dalimunthe, Ernando Rizki
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 18 No. 3 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v18n3.2697

Abstract

Intisari — Pembangkit Listrik tenaga biomassa adalah pembangkit yang mempergunakan biomassa (Tetes tebu/Molasess) dalam membentuk thermal yang akan dipergunakan untuk menggerakan energi potensial pada sistem pembangkit Listrik. Pada proses pembangkitan listrik ini membutuhkan energi panas yang diproses dari tetes tebu / molasess yang difermentasi dan didestilasi untuk dijadikan bioetanol lalu dipadatkan untuk memanaskan boiler dan dapat memiliki tekanan untuk mendorong steam engine sehingga dapat menggerakan generator sehingga menghasilkan tegangan yang bisa mengisi baterai dan menghidupkan beban. Dari penelitian ini bioetanol padat yang dihabiskan sebanyak 2,1 liter dan menyala selama 199 menit / 3.3 jam sehingga steam engine dapat berputar pada tekanan 10-15 Psi dengan putaran Rpm 161-215 output yang dihasilkan PLTBM ini memiliki tegangan pengecasan 4.1 – 4,2 V dan arus 200-300 mA. Dari tegangan dan arus yang dihasilkan tersebut baterai terisi 100 % dengan kapasitas baterai 1580 mAh/ 1,5 Ah. PLTBM ini juga menggunakan joul thief untuk menyalakan beban lampu 7 watt. Dengan kapasitas baterai 1580 mAh / 1,5 Ah yang terisi 100% beban lampu dapat menyala selama 2,43 jam. Kata kunci— PLTBM ,Bioetanol, Generator, Steam engine Abstract — Biomass power plants are plants that use biomass (sugar cane molasses / molasses) in forming thermal which will be used to move potential energy in the power generation system. In this electricity generation process requires heat energy that is processed from sugarcane molasses / molasses which is fermented and distilled to make bioethanol and then solidified to heat the boiler and can have pressure to push the steam engine so that it can move the generator so as to produce a voltage that can charge the battery and turn on the load. From this study solid bioethanol spent as much as 2.1 liters and lit for 199 minutes / 3.3 hours so that the steam engine can rotate at a pressure of 10-15 Psi with a rotation of Rpm 161-215 the output produced by this PLTBM has a charging voltage of 4,1 - 4,2 V and a current of 200-300 mA. From the voltage and current produced, the battery is 100% charged with a battery capacity of 1580 mAh / 1.5 Ah. This CBM also uses joul thief to power a 7 watt lamp load. With a battery capacity of 1580 mAh / 1.5 Ah which is 100% charged the lamp load can be lit for 2,43 hours. Keywords— PLTBM ,Bioetanol, Generator, Steam engine
Implementasi Metode Fuzzy Sugeno pada Prototipe Pendeteksi Banjir: IMPLEMENTASI METODE FUZZY SUGENO PADA PROTOTIPE PENDETEKSI BANJIR dirga, Dirga Rama setiadi; Dalimunthe, Ernando Rizki; putri, Novia utami; Zain, Alfath
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 18 No. 3 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v18n3.2721

Abstract

Pemantauan ketinggian air sangat penting untuk mencegah kerugian dan korban jiwa akibat banjir. Pengembangan sistem real-time untuk pengambilan keputusan sangat diperlukan dalam konteks ini. Penelitian ini menggunakan metode fuzzy sugeno pada prototipe pendeteksi banjir, dengan ESP 32 sebagai mikrokontroler yang dilengkapi logika fuzzy dan sensor ultrasonik A02YYUW untuk mengukur ketinggian air. Metode ini melibatkan proses fuzzifikasi, inferensi, dan defuzzifikasi. Pengujian menunjukkan sensor ultrasonik A02YYUW memiliki rata-rata eror sebesar 0,1% dan waktu respon pengambilan keputusan fuzzy sekitar 0,115 detik. Simulasi menggunakan matlab menghasilkan rata-rata eror 0%. Dengan demikian, pendeteksi banjir ini menggunakan sensor ultrasonik A02YYUW dan metode fuzzy sugeno dapat menjadi solusi efektif untuk memantau dan menginformasikan kondisi ketinggian air guna mengurangi resiko banjir.
IMPLEMENTASI INTERNET OF THINGS (IOT) PADA KUMBUNG JAMUR MERANG UNTUK PEMANTAUAN SUHU DAN KELEMBABAN MENGGUNAKAN WEB SERVER Ardiantoro, Nur Faqih; Dalimunthe, Ernando Rizki; Putri, Novia Utami
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 1 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n1.2670

Abstract

The process of cultivating straw mushrooms in mushroom houses requires strict monitoring of environmental temperature and humidity. In order to make it easier for farmers to monitor temperature and humidity conditions in mushroom barns, the use of Internet of Things (IoT) technology has been proposed as a potential solution. In this research, IoT was implemented on edible mushroom mushrooms to monitor temperature and humidity using a web server as an interface for farmers. The system developed consists of a DHT22 type temperature and humidity sensor connected to an ESP32 microcontroller, which then sends data to a web server via the internet network. The DH22 sensor can display accurate measurement data both on the LCD and on the web server. Therefore, the system developed is able to monitor the environmental conditions of mushroom mushrooms and provide useful information for farmers in the process of cultivating mushrooms more efficiently.
Implementation of Kalman Filter on PID Based Quadcopter for Controlling Pitch Angle Dalimunthe, Ernando Rizki; Ananda, Novan Dwiki; Sembiring, Jaka Persada; Faidar, Muhammad Anwar Sadat; Pranita, Elka; Jayadi, Akhmad; Putri, Novia Utami
Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Vol 7, No 1 (2025): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v7i1.2743

Abstract

Improving quadcopter control systems poses significant challenges in unmanned flight technology development. Key issues include the intricate nature of PID and Kalman filter parameter settings, necessitating profound knowledge of system dynamics and sensor properties. Furthermore, successfully integrating the Kalman Filter with PID control demands meticulous coordination to optimize state estimation precision and system responsiveness. This research emphasizes the incorporation of the Kalman filter into PID-based control for quadcopter pitch angle regulation. The Proportional-Integral-Derivative (PID) approach governs pitch angle, augmented by the Kalman Filter, to enhance estimation accuracy and mitigate sensor uncertainty. Optimal outcomes during system response testing were achieved with parameters of Kp at 2.95, Ki at 0.23, and Kd at 0.02, resulting in superior oscillatory response, including a 9-degree overshoot, a 5-second rise time, a 15-second settling time, and a 0.15-degree steady-state error, showcasing effective regulation of the quadcopter pitch angle. A concurrent observation during testing indicated that including the Kalman filter led to a significantly reduced overshoot compared to tests without it; conversely, the settling time experienced considerable acceleration, while measurement accuracy in the steady-state condition improved by 50%.
Pemanfaatan Rechargeable Aluminium Air Battery Pada Panel Surya Jenis Polycrsytalline Sebagai Energi Alternatif Febrihadi, Ahmad Fauzan; Putri, Novia Utami; Pranita, Elka; Dalimunthe, Ernando Rizki; Murti, Adam Wisnu; Apriyanto, Agus; ibrahim, fauzi
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 17, No 1 (2025): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v17i1.2689

Abstract

Kebutuhan energi yang terus meningkat mendorong pengembangan sumber energi alternatif yang ramah lingkungan dan berkelanjutan. Salah satu solusi potensial adalah pemanfaatan rechargeable aluminium air battery yang memiliki kepadatan energi tinggi, aman, dan ramah lingkungan dibandingkan baterai konvensional seperti lithium-ion. Penelitian ini bertujuan untuk mengkaji integrasi panel surya polycrystalline dengan rechargeable aluminium air battery sebagai sistem penyimpanan dan penyedia energi alternatif, khususnya untuk aplikasi penerangan LED. Metode penelitian yang digunakan adalah metode eksperimen kuantitatif, dengan melakukan pengujian kinerja panel surya dan baterai aluminium udara secara langsung. Pengujian panel surya dilakukan selama dua hari dengan pengambilan data tegangan setiap jamnya, sementara pengujian baterai aluminium udara dilakukan dengan variasi jumlah sel baterai (5, 10, dan 15 sel) yang digunakan untuk menyalakan beban LED dalam konfigurasi paralel selama 12 jam, mulai pukul 18.00 hingga 06.00. Hasil pengujian baterai aluminium udara menunjukkan bahwa semakin banyak jumlah LED yang digunakan semakin besar konsumsi daya, sehingga menyebabkan penurunan tegangan dan arus yang lebih cepat. Pada konfigurasi 5 sel tegangan akhir tercatat sebesar 4,85 V hingga 4,09 V, pada 10 sel sebesar 7,33 V hingga 8,5 V, dan pada 15 sel sebesar 6,01 V hingga 7,26 V. Perbedaan ini menunjukkan bahwa rechargeable aluminium air battery mampu menyuplai energi sesuai kebutuhan beban, meskipun daya tahan sistem sangat dipengaruhi oleh jumlah sel baterai dan besar beban yang digunakan
Pengaruh Penggunaan Fly Ash dan Bottom Ash Sebagai Bahan Dalam Pembuatan Baterai Terhadap Kinerja dan Efisiensi Energi maulana, arif; Putri, Novia Utami; Dalimunthe, Ernando Rizki; Pranita, Elka
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 17, No 1 (2025): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v17i1.2698

Abstract

Fly ash and bottom ash are one of the problems of energy companies because their production is abundant, but their disposal and processing are not yet optimal. The use of fly ash and bottom ash is processed so that it does not have a negative impact on the environment, one way is by using fly ash and bottom ash as materials in making batteries. Burning coal produces fly ash solid waste which contains 39.70% carbon (C) and 46.99% silicon dioxide (SiO2). This research is research using an experimental research approach. Experimental research can be interpreted as research that is carried out to find out the consequences of a treatment that is deliberately given by the research. Processing coal waste in the form of fly ash and bottom ash as an alternative source of electrical power can be an alternative choice for reducing the amount of coal ash waste that accumulates in PLTUs. is in Indonesia. The battery consists of electrodes made from a mixture of fly ash and bottom ash which are mixed using salt water, MSG and electrolyte. Of the three mixtures that have been experimented with, a good mixture is a mixture of fly ash and bottom ash with an electrolyte mixture that gets a voltage of 1,133 volts and a current of 0.111 Ampere.