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All Journal Jurnal Ilmu Komputer dan Informasi Jurnal Simetris MAGISTRA MUSTEK ANIM HA Scientific Journal of Informatics Emitor: Jurnal Teknik Elektro Jurnal Teknika Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Metalurgi Journal of Renewable Energy and Mechanics INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Buletin Ilmiah Sarjana Teknik Elektro Abdimasku : Jurnal Pengabdian Masyarakat Community Empowerment Mattawang: Jurnal Pengabdian Masyarakat Journal Social Science And Technology For Community Service Jurnal PkM Setiadharma AKADEMIK: Jurnal Mahasiswa Ekonomi & Bisnis MANTHANO: Jurnal Pendidikan Kristen Jurnal Pengabdian Pada Masyarakat Jurnal Penelitian Sistem Informasi SmartComp REI MAI: Jurnal Ilmu Teologi dan Pendidikan Kristen Jurnal Informatika: Jurnal Pengembangan IT El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam El-Mujtama: Jurnal Pengabdian Masyarakat Journal of Ekonomics, Finance, and Management Studies
Wiyono, Slamet
Politeknik Harapan Bersama Tegal
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Karakterisasi Performa Genset Diesel 5 KW Menggunakan Syngas Serbuk Kayu dengan Variasi Pembebanan Wahyu; Erwin; Wiyono, Slamet
Journal of Renewable Energy and Mechanics Vol. 5 No. 01 (2022): REM VOL 5 NO 01 2022
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/rem.2022.8888

Abstract

With the decreasing of world oil reserves, energy savings programs have started across the entire world. Recently, Indonesia has now become one of the importing countries for crude oil. Biomass gasification sustainability, especially in Indonesia, is very guaranteed because of the abundant availability of biomass in Indonesia. The goals of this study are examine the 5 kW diesel generator performance against various load with diesel fuel and diesel fuel plus syngas (synthetic gas) from sawdust. This research was carried out at Renewable Energy Laboratorium of Engineering Faculty UNTIRTA. The author performed this research using 5,2 kW total load of halogen lamp. In this research the load used was only at 3.2 kW because of the "not optimal condition" of the diesel generator resulting in not optimal engine rotation. Diesel generator power value at low loading point was increased. Whereas, at high loading point was decreased.
Pengembangan Sistem Check-in Tamu Digital Berbasis Web untuk Monitoring Kunjungan pada Dinas Kominfo Kabupaten Tegal Saputra, Rizqy Mulya; Wiyono, Slamet; Murtopo, Aang Alim; Syefudin, Syefudin
JURNAL PENELITIAN SISTEM INFORMASI (JPSI) Vol. 4 No. 3 (2026): Agustus : JURNAL PENELITIAN SISTEM INFORMASI
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jpsi.v4i3.4493

Abstract

Manual guest books in public offices often create incomplete visitor records, slow visit-history retrieval, weak host approval control, limited real-time visibility of active visitors, and difficulty in producing accountable reports. This study develops a web-based digital guest check-in system for monitoring visits at the Communication and Informatics Office of Tegal Regency. The research applies the waterfall model covering requirement analysis, system design, implementation, testing, and maintenance planning. The system includes guest self check-in, WhatsApp number validation, ID-card OCR assistance, host selection, host approval, visit status monitoring, in-app notification, Role-based Access Control, audit log, report export, and emergency attendance. The implementation uses Next.js 15, React, TypeScript, and Tailwind CSS on the frontend, NestJS on the backend, Socket.IO for realtime communication, and a relational data design prepared for PostgreSQL and Prisma ORM. Functional testing showed that login, guest check-in, form validation, OCR correction, approval, visit search, check-out, overstay marking, notification, reporting, user management, host management, endpoint handlers, and emergency attendance worked according to expected outputs. The developed system improves operational traceability, reduces dependence on paper records, strengthens role-based control, and provides faster visit information for front office, host, security, administrator, and leadership roles.
Co-Authors . SUNARDI Aang Alim Murtopo Aditya Rahman Af'idah, Dwi Intan Agus Pramono Andree Saylendra, Andree Ani Susilawati Anwar, Moch. Syaiful Arsjah, Regina J. Arwam, Bryan. A. Ayu Aulia Oktaviani Bachtiar, M. Yusuf Daeli, Florus Dairoh Dairoh Dairoh, Dairoh Danny Dega Surono Wibowo, Dega Surono Erwin Erwin Erwin Fahira, Hilza Firdaus, Musnadil Firdaus, Rizki Amsyarul Hanock, Edward E. Hanock, Edward. E. Herviana, Ditta Ahmad Hidayatullah, M. Fikri Iqbal Maulana Ismawati, Iis Jarinah, Jarinah Kazhadiva, Rivialdo Laoli, Arosokhi Mabruri, Efendi Miftakhul Huda Muhammad Fikri Hidayattullah, Muhammad Fikri Mulyaningsih, Asih Nenden Suciyati Sartika Netsen Nugroho, Hady Zhakwan Nurhakiki, M. Nurindahsari, Susi Nurul Anriani Oman Somantri Pangestu, Mohammad Prayoga Pitriani, Sinta Putri, Widiya Ratono, Ratono Saputra, Rizqy Mulya Simamora, Adam Yonas Syamsiar, Syamsiar Syarif Abdullah Syefudin, Syefudin Tarso Rudiana, Tarso Taufiq Abidin, Taufiq Tuti Rostianti Maulani Ucu Wandi Somantri Uli, Jesisca Wahyu Yundari, Yundari Yustia Hapsari, Yustia