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All Journal Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika JURNAL ILMIAH PENELITIAN MAHASISWA
Evan Adicandra
Politeknik Negeri Padang
Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Library & Information Science Medicine & Pharmacology

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Implementasi Autentikasi dan Otorisasi pada Sistem Informasi Berbasis Web Evan Adicandra; Yulindon Yulindon; Ratna Dewi; Silfia Rifka
JURNAL ILMIAH PENELITIAN MAHASISWA Vol 4 No 2 (2026): Jurnal Ilmiah Penelitian Mahasiswa (JIPM) April 2026
Publisher : Kampus Akademik Publiser

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jipm.v4i2.2273

Abstract

The rapid development of web-based information systems demands security mechanisms capable of protecting data and effectively controlling user access. One of the main problems that often occurs is a weak authentication and authorization system, potentially leading to unauthorized access and data leaks. This research aims to design a security system model based on authentication and authorization for web-based information systems.The method used is a system design research approach, which includes requirements analysis, formulation of design principles, system architecture design, and development of authentication and authorization flows. The proposed system model applies the Role-Based Access Control (RBAC) concept to manage access rights, and hashing techniques to secure user passwords.The results show that the designed model can improve system security by separating authentication and authorization processes, limiting user access based on roles, and protecting login data from potential leaks. Furthermore, the use of session management on the backend helps maintain the stability of user access while interacting with the system.Thus, the proposed model can be a solution in improving the security of web-based information systems and can be used as a basis for developing a system that is more secure, structured, and easy to implement.
Implementasi Sistem Monitoring IoT untuk Analisis Kinerja Solar Tracker Single Axis pada Greenhouse Evan Adicandra; Ratna Dewi; Silfia Rifka
Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Vol. 23 No. 2 (2026): Jurnal Litek, September 2026
Publisher : Jurusan Teknik Elektro Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/litek.v23i2.114

Abstract

Kinerja panel surya statis pada greenhouse sering kali tidak optimal karena posisinya yang tetap tidak mampu mengikuti perubahan sudut datang sinar matahari sepanjang hari, sehingga penyerapan energi menjadi kurang maksimal. Penelitian ini bertujuan mengimplementasikan sistem monitoring berbasis Internet of Things (IoT) untuk menganalisis kinerja solar tracker single axis dibandingkan panel surya statis pada greenhouse. Sistem dibangun menggunakan ESP32 sebagai pusat kendali, sensor LDR sebagai acuan pergerakan panel, serta sensor BH1750 dan INA219 untuk mengukur intensitas cahaya, tegangan, dan arus. Data dikirim melalui protokol MQTT dengan broker Mosquitto, diproses menggunakan Node-RED, disimpan pada InfluxDB dan MySQL, serta divisualisasikan secara real-time melalui dashboard Grafana. Metode yang digunakan adalah experimental comparative, di mana kedua sistem diuji bergantian selama enam hari. Hasil pengujian menunjukkan bahwa solar tracker single axis meningkatkan intensitas cahaya sebesar 10,83%, tegangan 8,57%, arus 39,25%, dan daya 51,45% dibandingkan panel surya statis, dengan rata-rata peningkatan performa keseluruhan sebesar 27,52%. Verifikasi menggunakan Wireshark membuktikan komunikasi MQTT berjalan stabil. Dapat disimpulkan bahwa integrasi solar tracker single axis dengan sistem monitoring IoT efektif mengoptimalkan penyerapan energi surya sekaligus memudahkan pemantauan kinerja panel secara real-time pada lingkungan greenhouse.
Co-Authors Ratna Dewi Silfia Rifka Yulindon