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CARDIAC BIOMETRICS AND PERCEIVED WORKLOAD REGRESSION ANALYSIS USING RANDOM FOREST REGRESSOR IN COGNITIVE MANUFACTURING TASKS Harmayanti, Afifah; Tama, Ishardita Pambudi; Gapsari, Femiana; Akbar, Zuardin; Juliano, Hans
International Journal of Mechanical Engineering Technologies and Applications Vol. 5 No. 1 (2024)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2024.005.01.11

Abstract

Workload is crucial in managing and maintaining good performance of human resources and allocations. In an advanced manufacturing industry, human job functions had shifted to cognitive tasks. Thus, cognitive workload evaluation should be used to monitor worker’s workload in optimal condition. Most common tool of cognitive workload tools are perceived measurement, like NASA – TLX questionnaire. Despite of its sensitivity to capture workload felt by the workers, this subjective measurement was prone to bias. Objective measurement utilizing biometrics data of the human body during working state was useful to eliminate bias. Cardiac biometrics were one of the many that were closely related to mental activity changes. The objective of this study was to understand the relationship of cardiac biometrics to perceived workload as an indicator of cognitive workload analysis. The study utilized four biometrics, heart rate, HRV low frequency power, total frequency power and ratio of low and high frequency power, were used to analyzed a one hour long cognitive based study case. The study case was designed in a manufacturing planning context referring to manufacturing aptitude tests, to induce cognition process on 30 participants. The biometrics and NASA – TLX score result of all the participants, were then calculated as effect size standardization before input into random forest regressor model to analyze relationship between cardiac biometrics and perceived workload. The result found a moderate relationship between the two (r2 = 0.576). Features importance also showed the most impactful feature to the model is the effect size of frequency power ratio. However, it is recommended to always consider evaluating multiple cardiac biometrics in workload analysis to ensure good model performance.
Review of Industry 4.0 Strategy and Organization Readiness Level of Automotive SME’s in Indonesia Tama, Ishardita Pambudi; Tantrika, Ceria Farela Mada; Hardiningtyas, Dewi; Mohamad, Effendi
APMBA (Asia Pacific Management and Business Application) Vol. 9 No. 3 (2021)
Publisher : Department of Management, Faculty of Economics and Business, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.apmba.2021.009.03.9

Abstract

The focus of Industry 4.0 concept is to integrate production, information technology and the optimal usage of internet. It includes set of tools and applications that utilizing a smart embedded system of machines to perform a certain level of autonomous tasks in industrial system. The ideal infrastructure to perform such concept is remain a big challenge, especially for Small and Medium Enterprises (SMEs). In order to develop strategies which SMEs can get the maximum benefit from Industry 4.0, this study aims to measure their readiness level to adopt the concept. This study was conducted to fill the gap in such area of study, by adopting the “Industrie 4.0 Readiness model” by VDMA. Using survey and interview from 57 SMEs in Indonesia. Various data related with current state of knowledge and strategy implementation of Industry 4.0 were collected. The study concluded that most of the SMEs beyond the sample (56%) were still in the beginner level of adoption, 14% were even in the outsider level, and the rest of them still had no plan for the implementation. This data shows us that the implementation and adoption of Industry 4.0 in SMEs in Indonesia is still at the beginning, which need more attention from the policy and strategy maker to get to more mature level.
Co-Authors ., Pratikto ., Sugiono Achmad Aditya Firmansah, Achmad Aditya Adinda Sekar Arum Perwitasari, Adinda Sekar Arum Adistya Ekky Vitarianti, Adistya Ekky Adithya Sudiarno Adityarama, Vito Adyarazan, Akmal Agung Mustika Rizki, Agung Mustika Agustina Eunike Ahmad Murtaja Dzaky Ma’arij Ahmad Zaki Mubarok Aisah Dirawidya, Aisah Aisyah Larasati Aisyah Pratiwi, Aisyah Akbar, Zuardin Akbar, Zulfikar Akbhar, Fitran Akmal, Faruq Akhimullah Alkadia, Livy Zayyan Amalia Sharfina Sarnyoto, Amalia Sharfina Amandha Harnaningtyas Palupi Aminudin Afandhi Amrussalam Amrussalam Andaliasti, Widya Puspita Andini, Nurdyanda Putri Anindita, Tabita Dwi Anindya Febrianti April Fortunella Aprilisia, Nita Archika Natasya Safira Ardhana, Rayhan Ardyan, Hafiz Arif Hidayat Arif Rahman Arifianto , Endra Yuafanedi Arifin Arifin Arifin, Azizah Aini Ariszabeth, Dini Ariyani, Titis Dwi Arsyad, Muhammad Syaifullah Atsila, Sephira Aulia, Prita Aurel, Brigitha Pricilla Ayunin, Aliya Qurrota Aziz, Nur Aini Azlia, Wifqi Bagoes Julianto Bagus Koernia Pengestu, Bagus Koernia Bagus Satriyo, Bagus Bayu Nugroho Pujiono Bidenisa Yulfarida Siswoyo, Bidenisa Yulfarida Bisri, Alvien Akhbaryan Borisxa Masagha Pakpahan, Borisxa Masagha Brian Pradana, Brian Budiarso, Anang Rahmad Cahyawati, Amanda Nur Ceria Farela Mada Tantrika Ceria Farela Mada Tantrika Choirussabila, Arifni Dani, Mohamad Fikri Darmawan, Ridwan Darpito, Malvin Aubin Dasopang, Pradipta Montana Debrina Puspita Andriani Della Hassiba Dayanara, Della Hassiba Derry Rendragraha, Derry Devayana, Mr. Kadafi Dewi Hardiningtyas Dewi Hardiningtyas Dewi Hardininingtyas Dian Andrilia Dina, Atikah Aulia Dina, Atikah Aulia Dwi Hadi Sulistyarini Effendi Mohamad El’ Arisie, Naila Endra Yuafanedi Arifianto Epiphanie Aprianti Sigalingging Fabian, Kevin Akmal Fahrezi, Muhammad Alfian Kurnia Azizi Faishol Umar Faiz, Teuku Muhammad Fajar Mulyana Fajrin, Mayang Iftitah Farhiya, Daniyatul Femiana Gapsari MF Fero Fulyadi, Fero Firyal ‘Azizah Fitria Nur Azizah Fitriani, Ida Galuh Zuhria Kautzar Gautama, Pamungkas Febrinalditya Gayuh Lintang Rino, Gayuh Lintang Gian Ramadhan Putera Gusti Eka Yuliastuti Hafidz, Rifqy Al Hanif, Sulthan Athar Fathullah Harmayanti, Afifah Henny Pramoedyo Heryaningtyas, Danty Intani Hilal Fahmi Hindarum, Anindito Ihwan Hamdala Istanti, Fenny Novia Izzah, Putri Nur’aini Aqidatul Judianto, Aulia Dianti Juliano, Hans Kurnia, Donna Adella Kustriyanto, Eddy Kusumaningdyah, Widha L Tri Wijaya N. Kusuma L. Tri Wijaya Nata Kusuma Laksmiati, Nyoman Nadia Devi Lalu Tri Wijaya Nata Kusuma Laras Gustari Pamanggiasih Larasati, Cindy Lely Riawati Lestari, Denira Fitria Lestari, Dyah Kurnia Dhirgo Lestari, Sekar Apriliani Arum Lina Dwi Cahyani Luana Putri Alviari Lydia Damara Raj Suweda, Lydia Damara Raj M Ratlalan, Roberth Mahesaba, Enissita Ninditya Manurung, Yan Dwi Cahya Mardiana, Renanta Salma Marudut Sirait Mentari Rika Noviandri Moch Agus Choiron Mochamad Choiri Mochammad Alfi Rochman, Mochammad Alfi Mohamad, Effendi Muchammad Nuril Akbar Muhammad Dian Putra Muhammad Fuad Arisuddin, Muhammad Fuad Muhammad Lutfi Bahtiar Muhammad Noval Ardiansyah Muhammad Nur Mulianto Putra Mullian Lasasi Nabila Nadirasetya, Nabila Nafulani, Ulvi Aulia Nasir Widha Setyanto Nastiti Puji Lestari Nauval, Muhammad Nazila Hartiani Abbas, Nazila Hartiani Nesti Anisa Lindawati Ni Made Cyntia Utami, Ni Made Cyntia Nikita Ashardika Putri, Nikita Ashardika Nikmah Avininda, Nikmah Nimas Elmidina Kartika Sari Nina Tania Lestari Ningtyas, Dwimaryani Fitriana Nisa Isrofi Norma Fatmawati, Norma Norray Lammalif, Norray Novita Sari Nugroho, Chosy Faisal Nugroho, Galih Ghanesa Cakra Nuha, Hanifah Firdausi Nur Afia Tri Ningrum Nurdi, Fitriana Nurhafidah, Eliana Nurullah, Muhammad Fariz Oke Oktavianty Oktavianty, Oke Oscar Maulana, Oscar Oyong Novareza Pambudi, Fanandi Agung Pasca Maulida Nur Rahma, Pasca Maulida Nur Permata, Sonnya Anggun Permatasari, Vita Annisaa’ Pharamita, Carina Aura Poerwadi, Jauhari Permana Pramono, Galih D.A Pramuwardhani, Astari Prathama, Kevin Aditya Pratikto, Pratikto Prayogo, Galih Eko Prayono, Septian Dwi Priambudi, Damas Kurnia Prima Yuda Ardana, Prima Yuda Purnomo Budi Santoso Purnomo Budi Santoso Putra, Faizal Randy Putra, Muhammad Arya Putri, Nesya Larasati Prida Putro, Wisnu Wijayanto Qomariyatus Sholihah Raden Danang Aryo Putro Satriyono Raditya Ardianwiliandri, Raditya Rahadian Ramadhan Rahman, Arif Rahman, Habibur Rahman, Manly Rahmawan, Arrizal Alfanani Rahmi Yuniarti Raid Luthfi Ishamulladien, Raid Luthfi Rakhmat Himawan Ramadani, Nadifa Ramadhan, Annisaa Adi Raodhany, Muhammad Ratih Ardia Sari Ratih Prabowo Putri Remba Yanuar Efranto Reza Noveo Dyanty Sunaryo Putri Riawati, Lely Rima, Rima Rinarwastu, Fadilia Rio Prasetyo Lukodono Rizky Ari Ferdian, Rizky Ari Roberth Marshall Ratlalan Rochsi Syahadha Rody, Rafiuddin Rona Asyura Mukti, Rona Asyura Rosidana, Dimas Rusydi, Ahmad Faisal Sabdha Purna Yudha Sahara, Amanda Amadea Salsabila, Dhia Naqqiya Santoso, Arya Ichsan Santoso, Punomo Budi Saputro, Nugroho Sarahvita, Dheniandra Sari Fitri Safira Sasono, Hardy Sattar, Adrul Malik Septian Lestari Santoso, Septian Lestari Shafa Audry Artamevia Shani Rezabillah Shohan, Favian Ferris Siallagan, Roberto August Sianipar, Ricardo Sibarani, Gerhart Mario Patar Sindhu Gumilang Prasonto, Sindhu Gumilang Sipayung, Mariadi Eprianto Sitepu, Geace Olivia Salsalina Sitompul, Rycha Sri Widiyawati Sri Widiyawati Subodro, Subodro Sugiono Sugiono Sugiono Sugiono Sugiono Sugiono Sujarwo Sujarwo Suluh Elman Swara Syahputra, Ersa Syahrir Aditya Supangat Syella Desysea Putri, Syella Desysea Tjioe, Robert Umar, Faishol Utami, Mia Tri Verdian, Erham Virgina, Julia Wardhana, Anggit Kusuma Wardhani, Shanti Waskita, Bagas Adi Wayan Firdaus Mahmudy Wicaksana, Cakravita Willy Satrio Nugroho Wuryanto, Nadya Ayuning Yemima Beatrix Immelia Ferdinandus, Yemima Beatrix Yeni Sumantri Yofa Hepi Soraya Yoganda Ragil Pranata, Yoganda Ragil Yudha Adi Kusuma Yudy Surya Irawan Zefry Darmawan Zuris Ika Pradipta