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All Journal JURNAL ELEKTRO Jurnal Ampere Proceeding of the Electrical Engineering Computer Science and Informatics Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri JRST (Jurnal Riset Sains dan Teknologi) Media Ilmu Kesehatan TESLA: Jurnal Teknik Elektro Jurnal Ilmu dan Teknologi Kesehatan Jurnal Analis Medika Biosains (JAMBS) TEKNIKA Jurnal Kridatama Sains dan Teknologi Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Indonesian Journal of Electrical Engineering and Computer Science Indonesian Journal of Computing, Engineering, and Design Jurnal Bakti Masyarakat Indonesia Jurnal Teslink : Teknik Sipil dan Lingkungan Journal of Servite Walisongo Journal of Information Technology Jurnal Pendidikan dan Teknologi Indonesia JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Jurnal Teknik Sipil The International Journal of Education Management and Sociology ATHENA: Journal of Social Culture and Society Jurnal Rekayasa elektrika Jurnal Pengabdian Masyarakat Charitas Cylinder : Jurnal Ilmiah Teknik Mesin Jurnal Serina Abdimas
Wijayanti, Linda
Universitas Katolik Indonesia Atma Jaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Magnetic Tactile Display for Heartbeat Emulation Idris, Reuben Louis; Wijayanti, Linda; Mylyadi, Melisa; Octaviani, Sandra
Jurnal Elektro Vol 18 No 2 (2025): Jurnal Elektro: October 2025
Publisher : Prodi Teknik Elektro, Fakultas Teknik Unika Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/jurnalelektro.v18i2.7420

Abstract

Recently, humanoid robots have developed rapidly and have the potential to become a medical innovation, enhancing human interaction. The ability to realistically mimic a heartbeat is a key feature under development. This research aims to design a ferrofluid-based magnetic tactile display to represent a heartbeat in a humanoid robot. This system utilizes an electromagnetic matrix, ferrofluid, and an Arduino Uno as a magnetic flield controller. Electrocardiogram (ECG) data is used to represent various heart rate patterns, such as normal, bradycardia, and tachycardia. The development results indicate that the magnetic tactile display is capable of providing tactile feedback that corresponds to the heart rate pattern. This device mimics heartbeats based on ECG data by controlling ferrofluid through magnetic field settings, allowing users to feel it tactilely. Testing using an accelerometer sensor shows that the system can replicate normal heartbeats and bradycardia with a small average time difference of 4.52% and 3.93%, respectively. However, in tachycardia, there were difficulties in handling rapid interval changes, resulting in a time error of 31.67%. The results of this study indicate that magnetic tactile displays have great potential in physiological emulation in humanoid robots.
A Two-Machine Flow Shop Batch Scheduling Model to Minimize Total Actual Flow Time Yusriski, Rinto; Nasution, Andri Rachmat Kumalasian; Lukas, Lukas; Wijayanti, Linda; Octaviani, Sandra
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 25 No. 2 (2023): December 2023
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.25.2.179-194

Abstract

This study introduces a scheduling model for a two-machine flow shop batch system to minimize the actual flow time. In this system, two machines are responsible for processing raw materials and producing finished products, with a single bottleneck machine. The entity overseeing the manufacturing process organizes demand units into batches, ensures the accurate and timely arrival of raw materials, and delivers all finished products punctually to meet an expected due date. The study addresses crucial challenges, including determining the optimal number of batches, sizes, and sequences to achieve the specified objective. The analysis adopted an algorithm grounded in the Lagrange relaxation method to tackle these challenges. Moreover, the algorithm is operated by identifying the bottleneck machine as a scheduling reference and determining the appropriate number of batches and sizes. The analysis showed the efficacy of the developed algorithm by using Johnson's rule for making batch sequence decisions through numerical experiments conducted across 1000 cases. The results showed a 1.44% to 4.43% improvement in efficiency compared to previous research, accompanied by a 2–8 times reduction in computational time.
Co-Authors Abadi, Surya Abdul Azis Ahmad, Denis Akhmad Faishol Anang Kukuh Adisusilo Anthon de Fretes, Anthon de Fretes Anwar, Hadrian Bachri, Karel Octavianus Basuki, Widodo Widjaja Cahyaningrum, Winda Rahma Catherine Olivia Sereati Chandra Winata Gunardi Christanto, Henoch Juli Dhanti, Kurnia Ritma Dita Pratiwi Kusuma Wardani Duma Kristina Yanti Edhifa . Emmy Wahyuningtyas Enny Widawati Faishol, Akhmad Ferry Rippun Gideon Manalu, Ferry Rippun Gideon Furtasan Ali Yusuf Gideon Manalu, Ferry Rippun Ginting, Ignatius Hanifa, Noha Hari Prasetijo Harlianto Tanudjaja Hendry Wong Henry, Carolus Herlina Herlina Idris, Reuben Louis Indriati, Kumala Jakariya Joevierdi, Joevierdi Jones, Danzel Maxdriel Samuel Jong, Susanto Julius Bata Kartadinata, Budi Khairun Nisa Kumala Indriati Kumar, Saurav L Lukas Lilis Sholihah Listiyowati, Tanti Luhur Bayuaji, Luhur Lukas Lukas Lukas Mahyastuti, V. Winda Maria Angela Kartawidjaja Maria Angela Kartawidjaja Markus Tanubrata Melisa Mulyadi Melisa Mulyadi Melisa Mulyadi Muhammad Hidayat Muniroh, Nur An-Nuha Mylyadi, Melisa Nasution, Andri Rachmat Kumalasian Nova Eka Budiyanta Nugrahena, Nurmalita Putri Pebrianti, Dwi Pin Panji Yapinus, Pin Panji Putranti, Respatiningtyas Amadea Danfi Rani Anggrainy Rinto Yusriski Ronald Sukwadi Sachi, Haenuki Sandra Octaviani Sandra Octaviani Sandra Octaviani Sarinastiti, Deliza Dhiakhalda setiawan, Dibyo Sheila Tobing Siregar, Marsul Siti Gusti Ningrum Stefan Adriel Sudarsono, Tantri Analisawati Surya Abadi Sutanto, Daniel Denis Tajuddin Nur Tajuddin Nur Theresia Ghozali Toto Tohir Wahyudi Faris Wibawa Prasetya Wiliam Wiliam Wilona Angelina Azels Wilson Zenik, Andre