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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Rekayasa Mesin JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Sinergi VANOS Journal of Mechanical Engineering Education Jurnal Teknik Mesin Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Abdi Masyarakat (JAM) Indonesian Journal for Social Responsibility International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) International Journal of Community Service Jurnal Abdimas ADPI Sains dan Teknologi Jurnal Rekayasa Energi dan Mekanika International Journal of Innovation in Mechanical Engineering and Advanced Materials Innovative: Journal Of Social Science Research AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Jurnal Polimesin
Dafit Feriyanto
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Mercu Buana, Jakarta, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Study of Eigenvalues and Matrix Eigenvectors Using MATLAB: Vibration Systems of Multi-Purpose Vehicle (MPV) Octaviani, Ana Nur; Khaerudini, Deni Shidqi; Feriyanto, Dafit; Timuda, Gerald Ensang; Darsono, Nono; Chollacoop, Nuwong
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 6, No 3 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v6i3.25351

Abstract

Vehicle vibration is a critical factor influencing both passenger comfort and vehicle performance. In this study, we analyze the multi-degree-of-freedom (MDOF) vibrational behavior of a multi-purpose vehicle (MPV) using matrix eigenvalue and eigenvector methods. The vehicle’s dynamics are modeled by developing a set of equations of motion that account for the forces acting on the front and rear tires, car body, and pitch angle. MATLAB is utilized to numerically compute the system’s eigenvalues and eigenvectors, representing the natural frequencies and vibration modes of the vehicle, respectively. The analysis focuses on the vehicle’s response to a 50 mm displacement at the front tire, simulating the effect of road disturbances. The resulting vibrations in the front and rear tires, car body, and vehicle pitch are illustrated over a 1-second time frame. The findings show that the front tire experiences the largest oscillation amplitude of ±1 mm, while the rear tire exhibits a much smaller displacement of ±0.04 mm. The overall car body displacement reaches a maximum amplitude of ±1.3 mm, indicating partial damping of the front tire vibrations. However, the results reveal that the vehicle’s suspension system lacks effective damping, as the vibrations do not decrease over time. This behavior could negatively impact ride comfort and safety, particularly on uneven roads. The study concludes that improvements to the vehicle’s suspension system are necessary to enhance damping performance. The presented MATLAB-based approach offers a valuable tool for analyzing and optimizing vehicle vibration systems.
ANALISIS RELIABILITY DAN UMUR PAKAI BEARING 6207 DENGAN MENGGUNAKAN METODE WEIBULL Dwilestari, Charisma; Feriyanto, Dafit
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1467

Abstract

Bearing is a mechanical component that is used as a place where the shaft rests on its axis and rotates with the holder and the shaft. The use of these bearings is focused on reducing friction; therefore, the friction that occurs is getting bigger along with the load, pedestal, working temperature, and conditions of loading and rotation that occur on the shaft. Estimation of damage and bearing life will be carried out on several bearings from different brands, but with the same type and size. Bearings with type 6207 and bore diameter of 35 mm come from 7 brands, namely SKF-SS (the only type in this study that used stainless steel), SKF, NSK, NACHI, KOYO SEIKO, SKF, and NTN. This analysis is carried out using the Weibull method where bearing specification data is processed by entering data into existing equations and analyzing the results of the calculations performed. The dynamic load value affects the L10 value of 9.3217%, predicted R(t) 13.5349%, ηcat 9.2567%, and Actual Reliability 3.9158%, this is due to the relationship between each of the equations used. Based on the reliability value generated, it can be concluded that the type of bearing recommended is NTN.
Fostering of Halal Culinary Products Through Marketing Innovation for MSME Partners in Meruya Selatan Village: Pengembangan Produk Kuliner Halal Dengan Inovasi Pemasaran pada Mitra UMKM Kelurahan Meruya Selatan Setiany, Erna; HİDAYAH, Nurul; Setiyawati, Hari; Listyaningsih, Fransiska; Feriyanto, Dafit; Ramadhan, Kurnia; Zamzami, Annisa Hakim; Rahayu, Muthia; Hafidz IH, Muhammad
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 2 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i2.24679

Abstract

The development of halal culinary products has become a key strategy to enhance the competitiveness and sustainability of micro, small, and medium enterprises (MSMEs) in Indonesia, particularly in Meruya Selatan. This article aims to identify and analyze the application of marketing innovations in the development of halal culinary products by MSME partners. The research employs a qualitative approach through in-depth interviews, observations, and document analysis involving several culinary MSMEs in the area. The findings reveal that marketing innovations, such as digital media utilization, product rebranding, and community-based collaborations, significantly contribute to increasing sales and expanding market reach. Additionally, halal certification provides added value, fostering consumer trust. Recommendations include strengthening the capacity of MSME actors through continuous training, leveraging information technology, and developing both local and global marketing networks. These measures aim to empower MSMEs in Meruya Selatan to contribute more substantially to local economic growth and support the national halal industry.
Co-Authors A. M. Leman A.N. Aizat Ahmad A.N. Aizat Ahmad, A.N. Aizat Abdi Wahab Abdi Wahab Abdi Wahab Abdul Mutalib Leman Abdulmalik, Samir Sani Adinarto, Tri Wahyu Agung Wahyudi Biantoro Albert Phak Jie Wong Andi Adriansyah Andi Adriansyah Andi Adriansyah Andi Adriansyah Andi Firdaus Sudarma Anggara, Fajar Annisa Hakim Zamzami Asep Setia Kristanto Ayu Arwati, I G. Chollacoop, Nuwong Darwin Sebayang Dedik Romahadi Deni Shidqi Khaerudini Dewi Kusuma Arti Dian Primanita Oktasari Dwilestari, Charisma Elly Yuliawati Erna Setiany Feleke, Aberham Genetu Firmansyah, Mohamad Ardy Fitri , Muhammad Fransisca Listyaningsih Utami Gerald Ensang Timuda Ginting, Dianta Hadi Pranoto Hadi Pranoto Hadi Pranoto Hadi Pranoto Hadi Pranoto Hadi Pranoto Hadi Pranoto Hadi Pranoto Hafidz IH, Muhammad Hari Setiyawati Himma Firdaus Indradewa, Rhian istiqomah istiqomah Julpri Andika Kurniawan Kurniawan Leman, Abdul Mutalib Listyaningsih, Fransiska M. Azizi Mohamad Abror Muhamad Fitri Muhammad Imran Nanang Ruhyat Nono Darsono, Nono Noviyanto, Alvian Nur, Hery Nurato , Nurato Nurato Nurato Nurato Nurato, Nurato NURUL HIDAYAH Octaviani, Ana Nur Pradipta, Nanang K. Pratiwi, Riri R Dwi Pudji Susilo Rachmanu, Fatkur Radityan, Fatwa Tresna Raflan Rahayu, Muthia Rajendra, Fajar Cahyadi Ramadhan, Kurnia Resista Vikaliana Rizki Briandana Romahadi, Dedik S.S. Abdulmalik S.S. Abdulmalik Sagir Alva Siang, Alan Ooi Lim Sidik, Muhamad Afifi Muhamad Sulaiman Hj. Hasan Sulaiman Hj. Hasan, Sulaiman Hj. Supaat Zakaria Supaat Zakaria Supaat Zakaria Supaat Zakaria Supaat Zakaria Wang Dong Wijaya, Fathoni Putra Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yananto Mihadi Putra Zaenudin Zaenudin Zakaria, Supaat Zakaria, Supaat