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Journal : journal of informatics and telecommunication engineering

Tsukamoto Fuzzy In IoT-Based Automatic Control System Of Kitchen Smoke MSME Palembang Crackers Putri, Nadia; Lindawati; Aryanti
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 8 No. 2 (2025): Issues January 2025
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v8i2.13975

Abstract

MSMEs, particularly producers of *kerupuk kemplang* from Palembang, often face challenges in managing kitchen smoke generated during production. This smoke not only pollutes the air and poses health risks to workers but also reduces comfort and productivity. Therefore, this study aims to design an Internet of Things (IoT)-based control system using the Fuzzy Tsukamoto algorithm to automatically regulate the exhaust fan speed based on temperature, smoke concentration, and carbon monoxide (CO) levels. This system introduces technological innovation to enhance efficiency and productivity in MSME kitchen management. The method involves using MQ135, MQ7, and DHT11 sensors to detect kitchen environmental conditions in real time. The collected data is processed by the NodeMCU ESP8266 microcontroller using the Fuzzy Tsukamoto algorithm and is then used to adjust the exhaust fan speed via an AC dimmer. The monitoring results are displayed on the Blynk IoT application for easy access. The study results show that the system successfully reduces smoke concentration by up to 30 ppm and CO levels by 40 ppm while maintaining the kitchen temperature within an optimal range of 49°C to 55°C. With a Mean Absolute Percentage Error (MAPE) of 7.66% and an accuracy rate of 92.34%, the system proves to be effective and responsive to changes in kitchen environmental conditions. The implementation of this Fuzzy Tsukamoto and IoT-based system has a positive impact on improving air quality, ensuring worker health, and increasing MSME productivity. Additionally, this system supports a more modern, efficient, and environmentally friendly kitchen management approach, making it an innovative solution for the *kerupuk kemplang* production industry
Analysis of 5G Standalone Security Against Man-in-the-Middle Attacks Using Sequence Number Desynchronization An Nisa; Sopian soim; Lindawati
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 10 No. 1 (2026): Issues July 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v10i1.18198

Abstract

The architecture of standalone 5G networks offers improved communication performance, but its authentication procedures remain vulnerable to eavesdropping threats. This research evaluates the system’s vulnerability to Man-in-the-Middle attacks and proposes comprehensive mitigation methods to address these security issues. Relying on Open5GS as the core network and UERANSIM as a simulator for base stations and user devices, testing was conducted in a virtualized environment. The methods used include traffic manipulation at the N2 interface to trigger desynchronization of the sequence number in the 5G-AKA authentication procedure. Experimental results show that packet interception successfully caused sequence number desynchronization, which directly led to authentication failure and device isolation due to Denial of Service. Additionally, network monitoring revealed that the HTTP/2 protocol displays customer data in plain text. In conclusion, Secure Socket Layer (SSL) encryption has proven effective as a mitigation method. With this integration, internal communication channels have been converted to a fully encrypted HTTPS format, preventing eavesdropping attempts. Furthermore, customer cryptographic parameters remain protected while keeping the operational overhead below acceptable limits.
Co-Authors Abid Raif Rahmatullah Achmad Udin Zailani Ade Tutty R. Rosa Agus Purwoko Ahmad Tavip Baiturahman Alaisyi Ally Akbar Salim Alprida Harahap Amalia An Nisa Ani Fadmawaty Anto Anzilal Fauji Ari Wibowo Arief Suryono Arizah, Mila Aryanti Br. Ketaren, Nurjama'yah Clorina, Jesslyn Cuandra, Fendy Dadang Permana Daimon Syukri Defriani Dwiyanti, Defriani Dendy Syahrul Kamil Deta Mediana, Salwa Dewi Maya Sari Diana Chalil Edi Warsito Edwin, Vebby Amellia Efrianti, Rini Eka Wijayanti Elisabet Siahaan Emilia Hesti Enda Kartika Sari, Enda Kartika Endi Jamjuri etti sartina siregar Fadhli, Mohammad Fahril Sidik Alfarizi Fiona Gunawan Syahrantau Haiqal, Arya Hendawati Intan Kumalasari Iqbal IRDAWATI Irfan, Zu Irmawartini Isfenti Sadalia Iwan Setiawan Joey Jovianto Junita Kartika Sari, Endah Kelvin Luthfatul Qibtiyah M. Parawangsa M.Miskun Arrihussalam Maharani, Novera Kristianti Mahaza Mahyuddin Makbul, Ahmad MARNIATI Maulana, Utama Graha Mery Silviana Mhd.Buhari Sibuea Moch. Galdiaz Nugraha Prawira Mohammad Fadhli Muhammad Ali Faishal Muhammad Asrizal Muhammad Faisal Muhammad Farras Haidar Muhammad Ridho Muhammad Suryadindin Muhtadin Muklis Muthia Mutmainah Aprinelia Nadia Putri Nadya choirunnissa Nazwa Tiara Herdiani Ng, Irvin Nindrea, Ricvan Dana Ningsih, Elsa Agustia Nona Valentine Sirait Nurcinta Asih Nurhanifa Nurhanifa Nursarah Sahirah nuzulul isna isna Oktafiandi, Randu Oktarianto, Eddy Perangin-angin, Ratna Amenawati Permata, Nadiva Surya Pramudya Renaldi S. Pramudya Reynaldi Salim Purry Widiarko Rahma Rohimah Hinaffisah Rahmanta Rahmayani Raihan Ilyasah Reni Koja Rikandi, Meta Riviwanto, Muchsin Rizki Anugrah Munawar Rizkyanto, Ridwan Roeslan Djutalov Rohimat Ryan Ardiansyah Salmiah Sandi Dzulfikar Saputri, Desti Sari Arlinda Savira, Izza Aulia Shoddam Palah Sifa Nur Maisah Silviana, Mery Soim, Sopian Soim Sopian Soim Sopian Soim, Sopian Sri Utami Suksmerri Sulwan Permana Suprapto, Yandi Teuku Rihayat Valentini, Cynthia Viviani Wardani, Sari Warsito, Edy Warsito Wasludin Yayu Juita Agustina Tobing Yolanda, Triyana Yudhistira Gibran Yusrizal Zai, Immanuel Zakaria, Hadi Zamakhari, Ahmad