Rizky Ajie Aprilianto

ORCID: 0000-0003-0936-3230
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About
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Research Areas
  • Advanced DC-DC Converters
  • Multilevel Inverters and Converters
  • Advanced Battery Technologies Research
  • Photovoltaic System Optimization Techniques
  • Wireless Power Transfer Systems
  • Data Mining and Machine Learning Applications
  • Engineering and Technology Innovations
  • Induction Heating and Inverter Technology
  • Electric and Hybrid Vehicle Technologies
  • Electric Vehicles and Infrastructure
  • Sensorless Control of Electric Motors
  • Currency Recognition and Detection
  • Edcuational Technology Systems
  • Power Systems and Renewable Energy
  • Legal and Social Justice Studies
  • Wind Energy Research and Development
  • Smart Cities and Technologies
  • Livestock and Poultry Management
  • Islamic Finance and Communication
  • Probiotics and Fermented Foods
  • Microbial Metabolites in Food Biotechnology
  • Photovoltaic Systems and Sustainability
  • Wireless Body Area Networks
  • Hybrid Renewable Energy Systems
  • IoT-based Control Systems

State University of Semarang
2018-2024

Universitas Gadjah Mada
2021-2023

Embedded Systems (United States)
2022-2023

University of Brawijaya
2022

Yogurt, a globally cherished dairy product, is celebrated not only for its creamy texture and tangy flavour but also numerous health benefits, primarily attributed to lactic acid bacteria (LAB). Key LAB species such as Lactobacillus bulgaricus Streptococcus thermophilus drive the fermentation process, transforming milk into yogurt through production. This study aims isolate identify from various brands using 16S rRNA gene, employing advanced microbial analysis techniques PCR. Yogurt samples...

10.15294/sainteknol.v23i1.19825 article EN cc-by Sainteknol Jurnal Sains dan Teknologi 2025-02-03

Objective: This work proposed a comprehensive techno-economic analysis and optimization of renewable energy systems focusing on PV technology within UNNES conservation park area. Theoretical Framework: The integration sources (RES) in campus settings contributes to reducing carbon footprints serves as practical educational medium. In this case, the Hybrid Optimization Model for Electric Renewables (HOMER) software can be utilized research optimal configurations. Method: utilizes load profile...

10.47172/2965-730x.sdgsreview.v5.n03.pe04686 article EN cc-by Journal of Lifestyle and SDGs Review 2025-02-21

Perkembangan pesat perangkat Internet of Things (IoT) telah menghasilkan peningkatan signifikan dalam volume data, yang menciptakan tantangan pemrosesan data secara real-time. Meskipun sistem cloud-fog dapat mengurangi latensi dengan memproses lebih dekat ke sumbernya, pengelolaan dan transfer tetap bergantung pada tugas terjadwal efisien. Penelitian ini bertujuan untuk intervensi manual meningkatkan efisiensi melalui penggunaan cron job dikonfigurasi logika skrip PHP diimplementasikan di...

10.15294/2k6j4w06 article ID Edu Elektrika Journal 2025-01-13

Universitas Negeri Semarang menerapkan konservasi di lingkungan kampus Sekaran melalui layanan Campus Shuttle yang telah beroperasi sejak tahun 2022. Namun, masih terdapat beberapa keterbatasan mengenai informasi jadwal operasional, lokasi shuttle, dan unit menjadi kendala menyebabkan fasilitas ini kurang diandalkan. Penelitian bertujuan memberikan solusi inovatif pengembangan aplikasi Tracker berbasis web apps untuk meningkatkan akses shuttle. Pengembangan menggunakan teknologi GPS pada...

10.15294/wkaf5949 article ID Edu Elektrika Journal 2025-01-13

The rapid growth of cloud computing has necessitated efficient and automated solutions for data management in infrastructure. Manual processing transfer methods are prone to delays, errors, inefficiencies, particularly real-time applications. This study proposes a systematic approach automate using cron job, PHP script logic, Cloud Panel integration. A MySQL database was designed with two tables: data_now data_one_hour scheduled transfers at one-hour intervals. Php were developed while job...

10.15294/sainteknol.v23i1.22649 article EN Sainteknol Jurnal Sains dan Teknologi 2025-05-16

Step-up converter is widely used to increase DC voltage level on PV systems either off-grid or grid connected. One of the step-up converters often in SEPIC converter. To improve its performance, many have been modified. However, performance various conditions has not further investigated. In this study, modified was investigated under change for grid-connected applications. This modelled and simulated using PSIM software. The received input from array 15 kWp, output connected three-phase...

10.12928/telkomnika.v16i6.10148 article EN cc-by-sa TELKOMNIKA (Telecommunication Computing Electronics and Control) 2018-12-01

In a power plant such as micro-hydropower (MHP), an induction generator (IG) is usually employed to produce electrical power. Therefore, inverter needed deliver it with high efficiency. Z-source (ZSI) has been introduced topology many advantages over conventional inverters. This research aims investigate the performance of ZSI based simple boost control (SBC) in laboratory-scale MHP systems using rewinding generator. conducted both from simulations and experiments. Based on result, waveform...

10.15294/jte.v13i2.31884 article EN cc-by Jurnal Teknik Elektro 2021-12-20

Terkadang ekstraksi daya pada penggunaan sistem fotovoltaik (PV) kurang maksimal, perubahan radiasi matahari dan temperatur lingkungan menjadi salah satu penyebabnya. MPPT adalah metode untuk memaksimalkan dari PV. Beberapa algoritma kontrol PV diusulkan. Tujuan penelitian ini mengetahui seberapa efisien yang digunakan MPPT. Kelebihan diusulkan juga dibahas. Penelitian melakukan tinjauan 15 artikel diambil sumber database Scopus dengan rentang tahun 2020 hingga 2024. Hasilnya menunjukkan...

10.14710/jebt.2024.23089 article ID Jurnal Energi Baru dan Terbarukan 2024-06-13

An interleaved converter provides several advantages over non-interleaved converters. Therefore, many researchers have proposed control methods to improve its performance. Control strategy generating variable-frequency (VF) switching identically with Pulse Frequency Modulation (PFM) technique is viewed as more beneficial than constant-frequency (CF) switching. Unfortunately, no specific review study observes various strategies obtain VF on the converter. This article presents a of controls...

10.1109/isriti54043.2021.9702804 article EN 2021 4th International Seminar on Research of Information Technology and Intelligent Systems (ISRITI) 2021-12-16

Conventional buck converter (CBC) topology has been widely used as power electronics devices to step-down dc voltage. A significant output ripple and low efficiency become problems faced by CBC. Optimizing CBC can use an interleaving technique resulting in interleaved (IBC) dedicated overcoming ripple. Unfortunately, the comprehensive study comparing conventional still have not acquired special attention. This paper compares both topologies explain how improve circuit performance....

10.1109/ict-pep57242.2022.9988881 article EN 2022-10-18

<span lang="EN-US">Single-ended primary-inductor converter (SEPIC) was considered a good alternative to DC-DC for photovoltaic (PV) systems. The SEPIC can operate with an input voltage greater or less than the regulated output voltage, as step-up step-down. As converter, boosts PV specific levels. However, gain limitation and stress continue reduce efficiency of conventional converters. Because this, researchers created modified improve performance. In this paper, six converters were...

10.11591/ijece.v13i4.pp3720-3732 article EN International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering 2023-04-03

Artificial Intelligence (AI) adalah tambahan kecerdasan pada sistem yang dapat dikelola secara ilmiah dan berkembang di dunia teknologi untuk melayani berbagai aplikasi, termasuk keamanan siber. Kecerdasan buatan memainkan peran penting dalam siber, memungkinkan deteksi dini ancaman analisis terperinci terhadap serangan muncul, respons cepat akurat. Penelitian ini menggunakan teknik tinjauan literatur sistematis (SLR) menganalisis Pengumpulan data dilakukan dengan mendokumentasikan semua...

10.14421/csecurity.2024.7.1.4486 article ID cc-by-sa Cyber Security dan Forensik Digital 2024-11-08

Kesehatan jantung menjadi faktor penting yang harus diperhatikan, terutama pada orang melakukan aktivitas fisik tinggi, seperti atlet. Untuk meningkatkan identifikasi dini penyakit dan mengurangi bahaya kematian mendadak, perangkat elektrokardiogram (EKG) cerdas portabel telah banyak diusulkan untuk mendeteksi secara real-time. Penelitian ini bertujuan memberikan informasi tentang klasifikasi sinyal dengan memanfaatkan Filter Infinite Impulse Response (IIR) menghilangkan noise Random Forest...

10.24114/cess.v9i2.59003 article ID CESS (Journal of Computer Engineering System and Science) 2024-07-31

This study conducted a Systematic Literature Review (SLR) to review the impact of smart city technologies on quality life and environmental sustainability. Using PRISMA method, this systematically identified, screened, selected relevant studies from reputable databases, focusing recent publications 2019 2024. The research addresses various aspects initiatives, including benefits, challenges, real-world applications, potential risks, strategies overcome implementation barriers. results show...

10.33019/electron.v5i2.210 article EN cc-by-sa ELECTRON Jurnal Ilmiah Teknik Elektro 2024-11-30

Broiler production is highly dependent on environmental conditions, especially temperature and humidity in the cage. This research a Systematic Literature Review that uses PRISMA method to optimize of broiler cages. A total 202 journals were found through Google Scholar other repositories, with an additional 16 manually. After filtering, 38 selected based publication year 2019-2024. From review literature, five questions derived led new understanding solutions problems topic. The results...

10.21776/jeeccis.v18i3.1694 article EN cc-by Jurnal EECCIS (Electrics Electronics Communications Controls Informatics Systems) 2024-12-23

The rise of renewable energy has led to growing interest among researchers in optimizing systems harvest the highest possible output, especially photovoltaic (PV) systems. Photovoltaic generate from sunlight, but intermittent nature sunlight poses a challenge for providing constant power. Another problem is that most affordable conventional Pulse-Width Modulation (PWM) controllers on market are unable provide current monitoring system. This issue critical when users require detailed data...

10.15294/sainteknol.v22i2.20604 article EN cc-by Sainteknol Jurnal Sains dan Teknologi 2024-12-31

Electric bikes (e-bikes) are emerging as a cleaner, more efficient, and comfortable transportation solution. However, challenges like limited range battery recharging accessibility persist. A potential solution is regenerative braking system, converting kinetic energy into electric stored in the battery. This study introduces an e-bike tailored with electrical system. It provides assembly details evaluates three aspects: mode, performance. Results confirm e-bike's successful operation. The...

10.1109/eecsi59885.2023.10295635 article EN 2023-09-20

A Small Wind Power System (SWPS) holds significant advantages for rural applications. However, it faces a critical challenge in terms of low-energy conversion. To address this, the implementation MPPT technology, along with DC-DC converter, provides suitable solution enhancing wind energy extraction SWPS. Self-Lift SEPIC converter is modification conventional adopting voltage lift (VL) technique. This study aims to evaluate impact employing on capture efficiency. The investigation was...

10.1109/ict-pep60152.2023.10351137 article EN 2023-10-02

ABSTRAKKetergantungan peternak pada pakar atau dokter hewan karena terbatasnya pengetahuan dalam mengindentifikasi penyakit kerbau merupakan opsi yang sulit dan mahal. Dalam mengatasi hal tersebut, artikel ini menyajikan pengembangan sistem diagnosis kerbau. Sistem diimplementasikan bentuk web serta dirancang dengan mengumpulkan data tentang 17 jenis 49 gejala berkaitan. Proses menggunakan kombinasi algoritma Forward Chaining Certainty Factor, memungkinkan untuk mencocokkan diamati database...

10.26760/elkomika.v12i1.231 article ID cc-by-sa ELKOMIKA Jurnal Teknik Energi Elektrik Teknik Telekomunikasi & Teknik Elektronika 2024-01-17
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