Article Per Year (5 Year)
p-Index From 2021 - 2026
0.92
P-Index
This Author published in this journals
All Journal JET (Journal of Electrical Technology) Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi JSR : Jaringan Sistem Informasi Robotik Engineering Science Letter Electrician : Jurnal Rekayasa dan Teknologi Elektro
Muhammad Rizky Hikmatullah
Institut Teknologi Sumatera
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

Published : 5 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 5 Documents
Search

 1 
Pengembangan Sistem Informasi Laboratorium Kesehatan Andre Febrianto; Radhinka Bagaskara; Muhammad Artha Jabatsudewa Maras; Muhammad Rizky Hikmatullah; Syamsyarief Baqaruzi
Jutisi : Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Vol 12, No 1: April 2023
Publisher : STMIK Banjarbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35889/jutisi.v12i1.1179

Abstract

During its development, the Provincial Health Laboratory of Lampung encountered a number of challenges, including a manual registration process, a lack of integration of laboratory test findings into a single container, and other manual administrative tasks. The Laboratory Information System was designed using the scrum development deploy with waterfall methodology with a step-by-step process beginning with customer data input, action recording, analysis verification, confirmation from laboratory doctors, and output in the form of information regarding examination fees, reports on results of clinical and non-clinical laboratory examinations, results recapitulation and history of laboratory examinations, statistical reports on examination results, financial reports, and daily logs. The outcomes of this Laboratory Information System meet the needs of all stakeholders in terms of enhancing the quality of services at health institutions, particularly health laboratories in the province of Lampung.Keywords: Laboratory Information System; Scrum Model; Health service quality. AbstrakDalam perjalanannya Laboratorium Kesehatan Provinsi Lampung yang dikembangkan memiliki beberapa kendala yang dihadapi antara lain proses registrasi yang masih manual, pencatatan hasil uji laboratorium yang belum terintegrasi dalam satu wadah dan kegiatan administrasi manual lainnya. Sistem Informasi Laboratorium (SIL) yang dirancang menggunakan metodologi Waterfall dalam pengembangan Scrum dengan proses tahapan dimulai dari input data pelanggan, pencatatan tindakan, verifikasi analisis, konfirmasi dari dokter yang ada di laboratorium, dan luaran berupa informasi mengenai biaya pemeriksaan, laporan hasil pemeriksaan laboratorium klinis dan non klinis, rekapitulasi hasil dan riwayat pemeriksaan laboratorium, laporan statistik hasil pemeriksaan, laporan keuangan, laporan pendapatan harian/mingguan/bulanan/tahunan, laporan setoran kas, statistik laporan pendapatan, laporan pemakaian reagen, laporan pengguna layanan (pelanggan), pengambilan hasil laboratorium oleh pelanggan, laporan turn around time, rekapitulasi data pelanggan, rekapitulasi data dokter, dan rekapitulasi data analis. Hasil SIL ini menjawab kebutuhan kepada semua pemangku kepentingan terkait peningkatan mutu layanan pada fasilitas kesehatan khususnya laboratorium kesehatan di Provinsi Lampung.
IMPLEMENTASI SISTEM INFORMASI BERBASIS WEB PADA UNIT KERJA PENGADAAN BARANG DAN JASA (UKPBJ) INSTITUT TEKNOLOGI SUMATERA Andre Febrianto; Ilham Firman Ashari; Muhammad Rizky Hikmatullah; Radhinka Bagaskara; Syamsyarief Baqaruzi; Fikri Halim Ch
JSR : Jaringan Sistem Informasi Robotik Vol 7, No 1 (2023): JSR: Jaringan Sistem Informasi Robotik
Publisher : AMIK Mitra Gama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58486/jsr.v7i1.221

Abstract

Institut Teknologi Sumatera (ITERA), sebagai salah satu Perguruan Tinggi Negeri di Indonesia, mengelola proses pengadaan barang/jasa secara mandiri untuk menunjang proses belajar mengajar dan operasional lainnya. Kegiatan pengadaan barang/jasa dinaungi oleh Unit Kerja Pengadaan Barang dan Jasa (UKPBJ) ITERA dan berlandaskan pada Peraturan Presiden Nomor 12 Tahun 2021 tentang perubahan atas Peraturan Presiden Nomor 16 Tahun 2018 yang mengatur pengadaan Barang/Jasa Pemerintah. Sebagian besar anggaran ITERA dibelanjakan dengan metode pengadaan langsung, seperti halnya yang dilakukan di tingkat Kementerian, Lembaga, dan Pemerintah Daerah. Oleh karena itu, UKPBJ ITERA sangat bergantung pada metode pengadaan langsung untuk menyerap anggaran. Pada pelaksanaanya, proses pengajuan dan monitoring pelaksanaan pengadaan barang dan jasa yang ada di lingkungan ITERA sejauh ini masih menggunakan cara konvensional. Penelitian ini menghasilkan pembuatan sistem informasi berbasis web dengan menggunakan framework Vue Js di sisi client dan framework Laravel di sisi server untuk memecahkan permasalahan yang ada. Dalam penelitian ini, sistem informasi manajemen pengadaan UKPBJ ITERA akan dikembangkan dengan harapan dapat meningkatkan pelayanan pengadaan barang dan jasa yang cepat, efektif, dan efisien. Hasil dari implementasi adalah melakukan pencatatan dan monitoring terhadap proses pengadaan dengan pendekatan test driven development dikelompokkan secara tiga tahap diantaranya unit testing, code generation, dan refactoring yang akan diterapkan secara berulang pada masing-masing 21 user story dalam hal ini aktornya adalah Ketua UKPBJ ITERA, Pejabat Pembuat Komitmen, Pejabat Pengadaan, Tim HPS, Tim Kontrak, Tim Teknis, dan Unit di ITERA.Kata Kunci: UKPBJ, Pengadaan, Sistem informasi, pencatatan, monitoring
Deficit Threshold Optimization of an Automatic Transfer Switch for Hybrid Grid-Photovoltaic Systems in Tropical Climates Syamsyarief Baqaruzi; Cuk Supriyadi Ali Nandar; Ali Muhtar; Muhammad Rizky Hikmatullah; Norzanah Rosmin
JET (Journal of Electrical Technology) Vol 11, No 1 (2026): EDISI FEBRUARI
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jet.v11i1.13295

Abstract

The rising demand for dependable power supply in tropical areas, characterized by frequent grid instability, requires the use of automated transfer switches (ATS) in hybrid photovoltaic (PV)-grid systems. This study assesses the efficacy of an Arduino Mega 2560-based Automated Testing System (ATS) coupled with a 100 Wp polycrystalline photovoltaic panel and a 12 V 100 Ah battery in the tropical climate of Lampung, Indonesia, over a span of 15 consecutive days in January. The process encompasses hardware design, the construction of a control algorithm based on a multi-objective cost function incorporating risk factors, field data gathering, and MATLAB simulation. The findings indicate that the system attains 80% grid independence based on day count and exceeds 95% based on total energy, accompanied with a minimal switching frequency of 0.2 occurrences per day, signifying stable operation devoid of chattering. A significant contribution is the optimization of the shortfall threshold: adjusting the threshold from 0 Wh to –10 Wh decreases grid reliance from three days to one day, enhancing PV utilization from 80% to 93.3% without adding battery capacity. The relationship between irradiance and photovoltaic energy is robust (r = 0.94, R² = 0.88), with an average system efficiency of 10.04%, which is plausible for polycrystalline panels in hot, humid environments, including cable, inverter, and heat losses. The boxplot analysis verifies the absence of overlap between energy balances on photovoltaic days and grid days, hence affirming the reliability of ATS judgments. In conclusion, the suggested ATS featuring an adjustable deficit threshold is an economical and dependable option for telecommunication infrastructure in tropical developing areas.
Manajemen Interferensi Femtocell Menggunakan Metode Fractional Frequency Reuse (FFR) pada Jaringan Ultra-Dense Network (UDN) dengan Sektorisasi Macrocell Sitronella Nurfitriani Hasim; Novalia Pertiwi; Adinda Azzahra; Anggrit Dewangkara Yudha Pinangkis; Soraida Sabella; Muhammad Rizky Hikmatullah; Aji Pamungkas Tri Nurcahyo
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 20 No. 1 (2026)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v20n1.3022

Abstract

The development of 5G technology with the implementation of Ultra Dense Network (UDN) has brought new demands in interference management and frequency spectrum allocation. The main challenge faced is the high level of inter-cell interference, especially between macrocells and femtocells in highly dense network environments. This study applies the Fractional Frequency Reuse (FFR) method for interference management in downlink femtocell networks, allocating 4 sub-frequencies to 3 sectors in the cell edge area and 1 sector in the cell center. The probability of SINR below 15 dB successfully decreased from 100% to 0%, throughput below 100 Mbps dropped from 100% to 0%, while BER above 0.01 decreased from 100% to 0%, with a minimum value reaching 10⁻¹³. The optimal performance of this sector is supported by the implementation of a method that eliminates cross-tier interference. SINR values are directly proportional to throughput and inversely proportional to BER.
Modelling Optimisation of Distributed PV-Battery Charge and Discharge Modes Using Systems for Improved Sustainable Energy Management Syamsyarief Baqaruzi; Amrina Mustaqim; Ali Muhtar; Muhammad Rizky Hikmatullah; Rahmat Fadhilah; Andika Munandar; Edo Kharisma Army; Setiadi Wira Buana; Rizqi Wahyudi; Muhammad Rifqi Dwi S
Engineering Science Letter Vol. 5 No. 01 (2026): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.001508

Abstract

This study examines the simulation of charge and discharge modes of lithium-ion batteries in a distributed photovoltaic system using MATLAB/ Simulink modeling. The objective is to analyze the integration of solar panels with battery-based energy storage systems to optimize performance and efficiency. The methodology involves mathematical modeling of photovoltaic cells based on p-n junctions, with key parameters such as temperature (15–30°C) and irradiance (1000 W/m²), along with the design of a Solar Charge Controller (SCC) to regulate energy flow. Simulations were conducted on four 150 W photovoltaic panels under varying environmental conditions, integrated with parallel-connected 12 V 250 Ah batteries. Results show a system efficiency of 87% at 25°C and 1000 W/m² irradiance, with panel output voltages aligning with mathematical equations (0.15 A error). Discharge mode analysis, accounting for system losses (inverter 5%, SCC 3%, wiring 2%), confirms the battery can supply a 5 Ω load for approximately 2.00 hours at 45% State of Charge (SOC), representing a 9.5% reduction from the ideal calculation. Simulations also compare SCC performance using DC and photovoltaic sources, demonstrating consistency in energy flow regulation. Validation results indicate the Simulink model’s accuracy in representing real-world characteristics, though MATLAB code simulations exhibit higher precision. The study highlights the importance of SCC control and SOC management to enhance battery lifespan and stability in renewable hybrid energy systems. Implications include potential applications.
Co-Authors Adinda Azzahra Aji Pamungkas Tri Nurcahyo Ali Muhtar Amrina Mustaqim Andika Munandar Andre Febrianto Anggrit Dewangkara Yudha Pinangkis Buana, Setiadi Wira Cuk Supriyadi Ali Nandar Edo Kharisma Army Fikri Halim Ch Ilham Firman Ashari Muhammad Artha Jabatsudewa Maras Muhammad Rifqi Dwi S Norzanah Rosmin Novalia Pertiwi Radhinka Bagaskara Rahmat Fadhilah Rizqi Wahyudi Sitronella Nurfitriani Hasim Soraida Sabella Syamsyarief Baqaruzi