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Dyah Utari Yusa Wardhani
Politeknik Negeri Sriwijaya
Aerospace Engineering Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Other

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APLIKASI VIDEO KONFERENSI BERBASIS WEB DENGAN FITUR FACE RECOGNITION UNTUK VERIFIKASI IDENTITAS PESERTA Fathurrahman; Muniar, Andi Yulia; Abdul Kadir Parewe, Andi Maulidinnawati; Angriawan, Randy; Yusa Wardhani, Dyah Utari Yusa Wardhani
JURNAL TELISKA Vol 17 No III (2024): Teliska November 2024
Publisher : Teknik Elektro Polsri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14241599

Abstract

This research aims to develop a website-based application that makes it possible to automatically verify the identity of participants in video conferences using facial recognition technology. This application was created to make the participant identification process easier compared to conventional methods which often take longer. The process of creating this application includes several stages, namely literature study to understand relevant technology, user interface design, application design, implementation of the face recognition feature, and application testing using black box and questionnaire methods. Based on the results of this research, the results obtained show that this application is able to verify participant identity automatically through its facial recognition feature and shortens the time for verifying participants. This was obtained through tests that have been carried out with various scenarios to ensure its performance. Testing was carried out with several participants and different conditions, such as the use of face masks and filters, low video quality, and inappropriate participant faces.
Sosialisasi Aplikasi Mobile Untuk Sistem Antrian Pada Puskesmas Sako Kota Palembang Anugraha, Nurhajar; Aryanti, Aryanti; Wardhani, Dyah Utari Yusa; Utami, Pertiwi Nurul; Zhafarina, Imas Ning; Fatin, Muhammad Hanif; Sari, Diah Novita; Hapsari, Yulia; Harahap, Adhelia Febriasari
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 9 No 1 (2025): Amaliah Jurnal: Pengabdian kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v9i1.4545

Abstract

This Community Service Activity aims to provide knowledge about mobile applications for queuing systems that are expected to make it easier for patients who will check their health or seek treatment at the Health Center. The methods used in this activity include interview methods with the Health Center to find out the source of the problem that is the basis for this community service activity. Furthermore, a socialization method is carried out, where in this socialization activity an explanation will be given to both the Health Center and patients about the use of the application that will be designed. The results of this activity are socialization regarding the Mobile application for the patient queuing system along with socialization of the procedures for using the application. Where after the implementation of this activity is carried out, the application that will be designed will make it easier for patients and patients no longer need to sit and queue for a long time when going to the Sako Health Center for treatment.
Analisis Fluktuasi Beban Terhadap Efisiensi Generator Sinkron di PT. PEMBANGKIT LISTRIK PALEMBANG JAYA Refaldi, Ichsan; Basir, Yuslan; Yusa Wardhani, Dyah Utari
Jurnal Ampere Vol. 6 No. 2 (2021): Jurnal Ampere
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/ampere.v6i2.7293

Abstract

Synchronous generator is a vital object for an electric power generation. The performance of a synchronous generator can be measured by calculating the efficiency of the ratio between the input power of the generator and the generator's output power. PT. The Palembang Jaya Power Plant has a synchronous generator that is connected in parallel synchronization which is turned on non-stop or continuously. A synchronous generator efficiency can be influenced by the amount of loading and the power factor in the form of fluctuations in the value of cos phi loading. The decrease in power factor (Cos phi) will result in a decrease in efficiency. PT. PLPJ uses the Cos phi value of 0.85 and for the optimal cos phi value on the generator PT. PLPJ is 0.9. The greater the load, the lower the efficiency. and vice versa, the smaller the load, the higher the efficiency.ABSTRAKGenerator sinkron merupakan sebuah objek vital bagi suatu pembangkitan tenaga listrik. Kinerja sebuah generator sinkron dapat diukur dengan perhitungan efisiensi perbandingan antara daya input pada generator dan daya output generator. PT. Pembangkit Listrik Palembang Jaya memiliki generator sinkron yang tersambung secara sinkronisasi pararel yang dihidupkan secara nonstop atau terus menerus. Suatu efisiensi generator sinkron dapat dipengaruhi oleh jumlah pembebanan dan faktor daya berupa naik turunnya nilai cos phi pembebanan. Menurunnya faktor daya (Cos phi) akan mengakibatkan turunnya sebuah efisiensi. PT. PLPJ menggunakan nilai Cos phi 0.85 dan untuk nilai cos phi optimal pada generator PT. PLPJ sebesar 0.90. Semakin besarnya pembebanan maka akan semakin turunnya sebuah efisiensi. begitu pula sebaliknya, semakin kecilnya pembebanan maka akan naiknya efisiensi.
Pengaruh Pengaturan Rele Jarak Terhadap Proteksi Utama pada Penghantar SUTET 500kV Aminullah, Moh. Wahyu; Wardhani, Dyah Utari Yusa
Jurnal Ampere Vol. 7 No. 2 (2022): JURNAL AMPERE
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/ampere.v7i2.9069

Abstract

SUTET 500 kV Muara Enim merupakan Saluran Udara Tegangan Tinggi yang direncanakan  dibangun di Sumatera Selatan menuju GITET 500 kV New Aur Duri beroperasi menggunakan 2 Set Inter Bus Transformator (IBT) dengan kapasitas 2 x 500 MVA. Pemasangan Distance Relay pada GITET 500 kV Muara Enim adalah sebagai salah satu proteksi dalam pengoperasian tersebut. Tujuan Penelitian ini adalah melakukan perhitungan nilai setting Distance Relay yang sangat diperlukan dalam pengoperasian agar tidak terjadi kegagalan proteksi pada penghantar. Data perhitungan Settingan Distance Relay meliputi data penghantar, rasio CT dan PT. Kapasitas Transformator yang terpasang memiliki daya sebesar 500 MVA. Hasil perhitungan menunjukkan arus hubung singkat terbesar pada saluran transmisi SUTET 500 kV Muara Enim - New Aur Duri dengan panjang saluran 271,37 km didapatkan arus hubung singkat satu fasa ke tanah sebesar 7.374,9 A. Setting distance relay yang didapatkan dengan nilai arus hubung singkat satu fasa ke tanah setelah diturunkan dengan arus trafo didapatkan nilai 1,8 A.
Perancangan Software Impedansi Total Sistem Rangkaian Listrik Menggunakan Metode Gabriel Kron Atika, Ratna; Yusa Wardhani, Dyah Utari
Jurnal Ampere Vol. 8 No. 1 (2023): JURNAL AMPERE
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/ampere.v8i1.11349

Abstract

Calculating the total impedance between two points that are equivalent and connected to a current voltage source still revolves around the discussion using the Wye-Delta transformation, the theory of the Series-Parallel formula, the loop current method and the node or node voltage method. These calculations are still ineffective and take quite a long time for certain complex circuits, because the calculations can only be done manually. So we need a special solution to facilitate us in the calculation process. In this case it is necessary to do a new transformation approach called Transformation [C]. This [C] Transformation Matrix will connect the old and new equivalent circuits. This study uses the Borland C++ Builder program with four kinds of complex circuit conditions tested. From the test results it can be seen that the results of program calculations are the same as the results of manual calculations and are proven to be easier, more effective and efficient than manual calculations which are complicated and require a long and lengthy calculation process. This software is very helpful and can be applied to calculate the total impedance of an electrical circuit system, especially in certain cases of conditioned complicated circuits.
Penentuan Lokasi dan Kapasitas Distributed Generation Pada Sistem Distribusi Penyulang Semanu Dengan Flower Pollination Algorithm Tegar Prasetyo; Muhammad Amri Yahya; Dyah Utari Yusa Wardhani; Ali Muhtar; Fredi Prima Sakti
Jurnal Ampere Vol. 9 No. 1 (2024): Jurnal Ampere
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/ampere.v9i1.15205

Abstract

Pemasangan Distributed Generation (DG) memiliki manfaat diantaranya untuk mengurangi rugi-rugi daya, memperbaiki nilai tegangan dan meningkatkan kualitas daya pada sistem distribusi. Lokasi penempatan DG dan kapasitas DG yang tidak optimal pada sistem dapat meningkatkan rugi-rugi daya yang dapat mempengaruhi turunnya profil tegangan. Penelitian ini mengusulkan algoritma optimasi Flower Pollination Algorithm (FPA) untuk menentukan penempatan lokasi untuk mengurangi rugi-rugi daya dan menentukan kapasitas DG yang optimal pada studi kasus jaringan distribusi Semanu, Yogyakarta. Penelitian yang dibagi menjadi dua skenario dimana pada skenario pemasangan satu/single DG didapat lokasi yang optimal terletak di Bus 32, dengan kapasitas 8307,47 kW dan rugi-rugi daya menurun 70,41%. Pada skenario pemasangan dua/multi-DG lokasi yang optimal terletak di Bus 17 dan 37 masing-masing berkapasitas 4479,46 kW dan 5294,91 kW, dan rugi-rugi daya menurun 81,22%. Pemasangan multi-DG lebih andal dibandingkan dengan satu/single DG karena memiliki rugi-rugi daya yang lebih minimum.
Peningkatan Produksi Kompos Melalui Komposter Anaerob dan Manajemen Keuangan untuk Pengolahan Sampah Pangan Berkelanjutan Putri Manurung, Nancy Eka; Africano, Fernando; Wardhani, Dyah Utari Yusa; Nurfathiyyah, Kayla Alifah; Irianti, Imelsya
JPM: Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2025): October 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v6i2.2665

Abstract

The Community Service Program (PKM) aims to empower Qur’anic Farm Indonesia through an innovative approach to converting food waste into compost, emphasizing social and environmental values. This program was designed to address two main challenges: slow compost production due to reliance on conventional aerobic methods, which take up to three months, and the absence of a proper financial recording system for profitability analysis. Technological solutions were introduced through the implementation of waste shredding machines and anaerobic digesters as Appropriate Technology (TTG), which reduce raw material size and significantly shorten decomposition time. On the management side, financial training focused on preparing transparent and easily understandable simple reports. The program was carried out through systematic stages using discussion and Participatory Action Research (PAR) methods, includin: field surveys, preparation, socialization, training, implementation of TTG, mentoring, evaluation, and sustainability strategies. Key outcomes included increased participant knowledge about anaerobic composting, enhanced compost production capacity through higher harvesting frequency, and the establishment of a basic accounting system to support financial decision-making. The long-term impacts encompass the creation of a sustainable enterprise both economically through increased profits and socially through contributions to orphan education and local food waste reduction. This program not only boosts production efficiency but also builds a foundation for healthy and independent business governance.
Sistem Pengarsipan Surat Secara Eletronik pada Klinik Pratama Pataraja Lanud Sultan Hasanuddin Kabupaten Maros Anugraha, Nurhajar; Nurzaenab, Nurzaenab; Wardhani, Dyah Utari Yusa; Latif, Nuraida; Umar, Muh
Ilmu Komputer untuk Masyarakat Vol 4, No 2 (2023)
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkomas.v4i2.2003

Abstract

Klinik Pratama Pataraja saat ini masih mengelola pengarsipan dengan pencatatan surat masuk dan keluar serta penyimpanan arsip masih dicatat menggunakan buku expedisi secara manual, sehingga karyawan mengalami kesulitan saat mencari arsip dan memiliki potensi kehilangan dari arsip tersebut. Maka dari itu dibutuhkan sebuah aplikasi yang memudahkan pengelolaan arsip untuk mengelola data semua jenis surat yang ada. Penelitian ini bertujuan untuk mengidentifikasi manfaat dan keuntungan yang diperoleh dari penggunaan sistem pengarsipan surat elektronik di Klinik Pratama Pataraja, seperti peningkatan efisiensi operasional pengurangan biaya, dan peningkatan akurasi informasi serta menganalisis tingkat efisiensi dan efektivitas pengarsipan surat secara elektronik, termasuk waktu akses informasi, pengurangan kesalahan pengarsipan dan optimalisasi pemanfaatan sumber daya untuk meningkatkan produktivitas klinik. Data ini diperoleh melalui perancangan, analisis sistem, perancangan proses, perancangan basis data, wawancara dan dokumentasi. Metode yang digunakan dalam penelitian ini adalah Observasi dan Agile. Hasil penelitian ini menunjukkan bahwa Sistem Pengarsipan Surat Secara Eletronik Pada Klinik Pratama Pataraja Lanud Sultan Hasanuddin Kabupaten Maros berhasil diimplementasikan dan sangat baik digunakan dengan nilai kuesioner penilaian 92,7%.
Co-Authors Abdul Kadir Parewe, Andi Maulidinnawati Africano, Fernando Ali Muhtar Andi Yulia Muniar, Andi Yulia ANGRIAWAN, RANDY Aryanti Aryanti Atika, Ratna Bashir, Yuslan Fathurrahman Fatin, Muhammad Hanif Fredi Prima Sakti Harahap, Adhelia Febriasari Hermawan, Redho Ichsan Refaldi Irianti, Imelsya Latif, Nuraida Moh. Wahyu Aminullah Muhammad Amri Yahya Nurfathiyyah, Kayla Alifah Nurhajar Anugraha NURZAENAB, NURZAENAB Putri Manurung, Nancy Eka Ratna Atika Redho Hermawan Refaldi, Ichsan Salahuddin Salahuddin Sari, Diah Novita Setiati, Tri Woro Tegar Prasetyo Umar, Muh Utami, Pertiwi Nurul Yulia Hapsari Yuslan Basir Yuslan Basir, Yuslan Zhafarina, Imas Ning