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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Mahasiswa TEUB Jurnal EECCIS Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Teknologi dan Sistem Komputer Network Engineering Research Operation [NERO] Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri Software Development Digital Business Intelligence and Computer Engineering Jurnal INFOTEL TEKAD : Teknik Mengabdi Jurnal Elektronika dan Telekomunikasi
Erni Yudaningtyas
Jurusan Teknik Elektro Fakultas Teknik Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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SISTEM MONITORING DAN PENGENDALIAN KELEMBAPAN DAN SUHU PADA KOTAK SEPATU MENGGUNAKAN KONTROL PID Siagian, Anthony Hamonangan; Siswojo, Bambang; Yudaningtyas, Erni
Jurnal Mahasiswa TEUB Vol. 14 No. 6 (2026)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Tingginya tingkat penggunaan alas kaki di Indonesia yang dihadapkan pada fluktuasi cuaca ekstrem sering kali menyebabkan kerusakan material pada sepatu, seperti sol yang mengeras akibat suhu panas atau pertumbuhan jamur akibat kelembapan tinggi. Penelitian ini bertujuan merancang bangun purwarupa kotak penyimpanan sepatu otomatis guna mempertahankan kondisi lingkungan ideal yang dapat memperpanjang usia pakai sepatu. Sistem ini menggunakan mikrokontroler yang mengintegrasikan kontroler Proportional-Integral-Derivative (PID) pada aktuator pemanas (Positive Temperature Coefficient) PTC untuk pengendalian suhu, serta kontroler On-Off dengan histeresis pada aktuator ultrasonic mist maker untuk pengendalian kelembapan. Berdasarkan hasil pengujian closed-loop, penerapan parameter PID dengan Kp = 14.210, Ki = 0.187, dan Kd = 270 berhasil mencapai dan menstabilkan setpoint suhu di 31 °C tanpa melewati batas toleransi overshoot 2%. Sementara itu, implementasi pada kontroler On-Off dapat menjaga kelembapan udara secara konsisten berada pada rentang batas 58% hingga 62% RH. Kata Kunci—Kotak Sepatu, Kontroler PID, Kontrol OnOff, Suhu, Kelembapan, Arduino UNO 
Photoplethysmography Signals Classification of Atrial Fibrillation using Long ShortTerm Memory Network Zaidan, Hazm; Rahmadwati, n/a; Yudaningtyas, Erni
Jurnal Mahasiswa TEUB Vol. 14 No. 7 (2026)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Fibrilasi atrium (AF) adalah aritmia jantung paling umum dan berisiko stroke serta gagal jantung jika tidak terdeteksi dini. Sinyal Photoplethysmography (PPG) dari perangkat wearable menawarkan kardiovaskular berkelanjutan, pemantauan namun morfologinya yang halus dan rentan artefak menyulitkan deteksi AF secara manual. Penelitian ini merancang dan membandingkan dua model klasifikasi berbasis Long Short-Term Memory (LSTM): LSTM-Signal (masukan sinyal mentah) dan LSTM-TimeFeat (masukan 11 fitur temporal per segmen). Dataset berasal dari MIMIC PERform AF (10 rekaman: 5 AF, 5 Normal) difrekuensi 125 Hz, didesimasi ke 31,25 Hz, difilter bandpass 0,5–5,0 Hz, dan disegmentasi menjadi 590 segmen 10 detik (295 AF, 295 Normal). Evaluasi menggunakan recordwise 10-fold cross-validation mencegah kebocoran data antar-subjek. LSTM-TimeFeat mencapai performa terbaik: akurasi 97,28% ± 2,29%, sensitivitas 96,26% ± 4,32%, spesifisitas 98,30% ± 2,42%, presisi 98,33% ± 2,40%, dan F1-Score 97,22% ± 2,39% — mengungguli LSTM-Signal (akurasi 84,62% ± 14,15%). Rekayasa fitur temporal, khususnya variabilitas interval RR, secara signifikan meningkatkan akurasi dan stabilitas klasifikasi AF berbasis PPG dibandingkan pembelajaran langsung dari sinyal mentah. Indeks—Fibrilasi Atrium, Fotopletismografi (PPG), Jaringan Saraf Tiruan Long Short-Term Memory Dua Arah (BiLSTM), Ekstraksi Fitur, Informasi Mutual. 
Quality Testing Assistance and Improvement of Production Facility Infrastructure for the Vigur Asri Women Farmers Group in Malang City Yudaningtyas, Erni; Santjojo, D.J. Djoko H.; Nurdiana; Arumingtyas, Estri Laras; Avian, Cries
TEKAD : Teknik Mengabdi Vol. 4 No. 2 (2025)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.tekad.2025.04.2.10

Abstract

Efforts to improve the quality of Virgin Coconut Oil (VCO) products and enhance production facilities were carried out for the Vigur Asri Women Farmers Group (KWT) in Malang City. The main issue faced by the group was consumer complaints regarding rancid VCO products occurring before the expiration date. This problem was presumed to result from high moisture content and air contamination due to inadequate ventilation and hygiene in the production area. To address these issues, a community assistance program was implemented through training on moisture content testing based on the Indonesian National Standard (SNI 3781:2008) and the reorganization of the production room to improve air circulation. The testing process employed a simple, cost-effective method using an oven and an analytical balance, which was easy for participants to understand and apply. Activity evaluation focused on participants’ ability to follow testing procedures and comprehend product quality standards. The results showed that the VCO’s moisture content was successfully reduced to 0.2%, meeting the maximum limit required by SNI. Furthermore, the improvement of production facilities enhanced product quality and competitiveness. This program positively impacted the group’s capacity to produce high-quality VCO sustainably.
Co-Authors Achmad Ernanda T. P. Achmad Rochman Putra Achmad Teguh Wibowo Adeck Aprilyan Kurniahadi Adhif Achmad Azzari Adi Jonathan Ginting Aditya Pramono Adyartama Prananda Nugraha Adytia Nugraha Afterina Wahyu P. Agung N. Pramudhita, Agung N. Agung Prastyo Wibowo Agus Naba Ahmad Akhyar Ahmad Fathan Halim Aidil Pandu Ibnu Yogiantare Aini, Fica Aida Nadhifatul Ajeng Atha Ardella Cahyanti Akbar, Alfin Maulana Al Jihad Andi Saungnaga Alfin Fahmi Ilma Mafa'id Amalia, Zakiyah Ana Muslimah Andhika Muhammad Burhanuddin Endrawan Andy Purnomo Anggit Brahmasetio Anindya Dwi Risdhayanti Annisa Taufika Firdausi Ardi Idham Sadewa Arief Rahman Hidayat Asmungi, Gaguk Avian, Cries Avif Aulia Rachman Ayatullah, Mohamad Dimyati Baehaqi Bambang Siswojo Bambang Siswojo Bayu Prabarianto Canggih Katon Bagas D. Christopher Imantaka Dicacara, Marina Didit Afrian Nugraha Diki Okiandri Dina Caysar Dwi Utari Surya Dwija Wisnu Brata Edi Widjajanto Edi Widjajanto Eka Adhitya Dharmawan Eldoni Tuah Rito Purba Else Surya Ningsih Enov Asi Uliando Siahaan Estri Laras Arumingtyas Faiz Mahrus Alaudin Fajar Destriwanta Fakhrur Rozi Faris Naufal Musthafa Fauzan Nusyura Fauzan Yushar Azman Fauzi, Mohamad Reza Feishal Reza Firda Ardyani Firda Aulia Pramita Firdausi, Reza Gabriella Yolanda Krisanti Galang Diky Aryudha Godam Ardianto Goegoes Dwi Nusantoro Goegoes Dwi Nusantoro Goegoes Dwi Nusantoro Goegoes Dwi Nusantoro Gregory Marcellino Kacaribu Hadi Suyono Hamles Leonardo Latupeirissa Hariyanto, Arya Dwijaya Harry Soekotjo Dachlan Harry Soekotjo Dachlan Heri Susanto Herma Nugroho R. A. K. Hermawan, Dimas Aga Yusuf Ibrahim, Mochammad Hesa Idam Almualif Ika Kustanti Ikrar Dionata Imam Fauzi Imam Khairi Indra Dwi Cahya Innike Sukirman Islami, Raisya Nabila Putri Jabal Thareq Samudra Jhosua Christian Tampubolon Kenny Aldebaran Roberts Khabib, Achsanul Labaik Khafidzni Lalu Irjan Atmanegara M. Aziz Muslim M. Faisal Nur Ryas R. M. Hadafi Maulana I. M. Taofik Chulkamdi M.T., Dr. Ir. Erni Yudaningtyas Jendra Sesoca. M.T. S.T. Ir. Purwanto Made Putera Wiguna Marcia, Hadrian Wijaya Maryantho Masarrang Maryantho Masarrang Mas Mansyur Mas Mansyur, Mas Maulana, Eka Maulidani Rakhmad Mauludi, Mohammad Zidan Milala, Ebenezer Moch Rusli Moch. Dhofir Moch. Hannats Hanafi Ichsan Moch. Rusli Mochammad Mukson Nunahar Mochammad Rusli, Mochammad Moechammad Sarosa Mohammad Azharul Iman Mokhammad Yudha Aringga Muchammad Nashiruddin Abdurrachman Muchammad Zufar Badubah Mudjirahardjo, Panca Muhamad Faishol Arif Muhammad Afham Azri Muhammad Aziz Muslim Muhammad Dheri Maulana Akbar Muhammad Farhan Jendrandhika Atdy Muhammad Iqbal Muhammad Malik Bukhara Muhammad Oktafian Ulal Ma'arif Muhammad Salman Al Farisi Muhammad Xavier Yusa Raffyan Zachary Muhammad Zulfikri Mulia, Almas Maulaya Mustaghfirin Haris Prayogo n/a Purwanto n/a Rahamdwati n/a Retnowati Nadhifatul Aini, Fica Aida Nanang Sulistiyanto Nandana Wiragotra Napitupulu, Calvin Yohanes Nofriwanda, Alfi Nur Fitria Nurdiana Nurul Irfan AlFandy Nusantoro, Goegoes Dwi Okiandri, Diki P., Sholeh Hadi Persada, Tachta Pandu Ponco Siwindarto Pranandaru, Danu Prasetya, Agiel Marfil Prastyo, Andri Dwi Prawidya Destarianto Prawiro, Sumarno Reto Puguh Sasi Rizky Ramadhan Purnomo Budi Santosa Purwono Budi Prasetyo R. A. K., Herma Nugroho R. Afin Priswiyandi Rabbani, Muhammad Rachman Bagus S. Rachman, Sarah Qanitin Radek Purnomo Raden Arief Setyawan Rahmad Angga Darul Quthni Rahmadwati, n/a Rahmadwati, n/a Rahmadwati, n/a Raihan Adi Nugroho Rama Hasani Ramadhan, Raafi Athaa Randy Endia Suranta Sembiring Rangga Pandu Purnama Rayhan Faiz Andhika Reynaldi Nugraha Reza, Feishal Rifky Justian Rifqi Hilman Wangsawinangun Rifqi Pratama Nugraha Risal Alfiandi Rizky Arissandi Rizqi Rahmawan Rohmatillah, Mahdin Ronald Dwi Nompunu Rosyik, Rizal Rusli, Mochammad Rusmi Ambarwati Rusmi Ambarwati Ryan Ardhika Sakti, Nisrina Nabilamustika Salnan Ratih Asriningtias, Salnan Ratih Santjojo, D.J. Djoko H. Sholeh Hadi P. Siagian, Anthony Hamonangan Siswojo, Bambang Siti Duratun Nasiqiati Rosady Siti Duratun Nasiqiati Rosady Subono, Subono Sukowati, Azizah Dian Sumarno Reto Prawiro Sunaryo Sunaryo Sunaryo, Sunaryo Suraduita Mupasanta Syafei, Muhammad Talifatim Machfuroh, Talifatim Taufiq Rizaldi Thomi Febriyan Lukhito Tri Nurwati Triandianzah, Dimas Umam, Busro Akramul Uslifatin Ni'mah Valen Kristian Eriski Vicentius Nyorendra Wahyu Gusti Habibi Wahyu Prasetyanto Wiam Mardliy Syahrir Wicaksana Rismawardi Widjaja, Adrianus Peter Wijaya, Akmal Hadi Willi Bangun Iswara Wirangga Luvianca Yana, Ade Amruchly Yogi Herlangga Yolanda Adi Setiawan Yoppy Yanuar Bayuaji Yoshiko, n/a Yudika Putra Perdana Pangaribuan Zaidan, Hazm Zainul Abidin Zakiyah Amalia Zakiyah Amalia Zartika, Putri Ayu