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All Journal Jurnal Mahasiswa Matematika Jurnal Rekayasa Hijau Jurnal Teknologi Jurnal Teknik Kimia Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Dedikasi: Jurnal Pengabdian kepada Masyarakat CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia
Fauzhia Rahmasari
Fakultas Teknologi Industri Universitas Jayabaya
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mathematics Social Sciences Other

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Optimasi Penentuan Pemenang Pengadaan Tracker Antenna Menggunakan Metode Simple Additive Weighting (SAW) Fauzhia Rahmasari; Fogot Endro Wibowo; Sandy Agung Pangestu
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 1 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i1.1517

Abstract

Procurement usually held in a conventional manner which brings direct stakeholders such as committee and bidders. Procurement of goods/services can be done electronically. Electronic procurement is the procurement of goods/services carried out using information technology and electronic transactions in accordance with statutory provisions. In this research will be made a decision support system to facilitate committee in process of determining the winner of procurement by using Simple Additive Weighting (SAW) methods. SAW methods is more favored because of its effectiveness in executing the completion time. There are some criteria which become to base decision, among others, administrative, technical, price, and qualification. Meanwhile, the alternative to used form companies which register as a participant (in this research there are 3 companies and partnerships). The final result in this research is PT. A as first ranks (the winner) with preference value 13,7778. PT. B in order to two (first backup) with preference value 10,7317, and PT.C in order to three (second backup) with preference value 9,7843.
Optimasi Taguchi Menggunakan Metode Vikor dalam Pemilihan Ban Mobil Fauzhia Rahmasari; Fogot Endro Wibowo; Thoriq Aziz Taufiqurrahman
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 4 Nomor 1 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.2435

Abstract

The main functions of tire are to withstand the vehicle’s load, continue the steering function and control the vehicle’s direction, transmit the driving force and vehicle’s braking on the road surface and reduce shock vibrations from the road surface. Therefore, optimal tire selection is something that needs to be considered for driving perfection. Taguchi methods is one of experimental design methods that is often used because of considerations of effectiveness and efficiency. However, Taguchi methods only can be used to solve a single response optimization problem. When dealing with multi-response problems, the responses are analyzed separately. This study aims to optimize Taguchi design using VIKOR method in production of car tires. The experimental design and responses used in this study were derived from car tire production data which analyzed using VIKOR methods and selected based on the optimum value to obtain the optimal combination of factors levels. The results of Taguchi's analysis are the first and third responses indicating the 16th experiment and second response indicating the 14th experiment which is the optimal combination. It can be concluded that Taguchi methods is inconsistent to producing optimal combination of levels of factors when dealing with multi-response problems, so additional methods are needed as Taguchi optimization methods in solving multi-response problems, including using VIKOR methods which results in the 2nd experiment being optimal combination.
Rancang Bangun Alat Uji Momen Inersia Massa Suatu Elemen Mesin dalam Tiga Arah Sumbu Aji Digdoyo; Fauzhia Rahmasari; Agus Budi Djatmiko; Erma Yuniaty; Saepul Anwar
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3442

Abstract

The moment of inertia of the mass is a quantity that is very much needed in designing high-speed engine parts, because it can cause a very large force and the magnitude can be thousands of times its weight. There are two ways to determine the moment of inertia, namely theoretically or testing, if using theory if the shape of machine parts is complicated, of course it is also difficult to determine the magnitude and the second way, namely by testing, it is very easy to get the price of the moment of mass inertia sought even though the shape is complicated. The moment of inertia test equipment is used to determine the value of the moment of inertia of a machine element by means of testing. This tool is also the result of its own design and engineering, which has never been developed by another party. This tool is intended to assists in the Research Development Program in the Department of Machinery, Faculty of Industrial Technology, Jayabaya University. The design of the Test Equipment is based on the Torque Moment principle where the system is considered to have mass and elasticity and from a practical and economical point of view it is very easy to implement. The results of testing the pitch direction and yaw direction with the same test object, namely the connecting rod, it turns out that the test results are Ip = 0.00298 kgm2 and Iy = 0.00304 kgm2 and for testing the direction of rotation using a mass disk of aluminum obtained Ir = 0.00125 kgm2 , the calculation results obtained Ir = 0.1271 kgm2, not too far away or it can be said that the three-axis test equipment, namely the direction of pitch, yaw and rolling can be used for testing the moment of mass inertia for machine elements.
Identifikasi dan Pengaruh Peubah Penekan dalam Peningkatan Performa Mesin Mobil: Identification and Effect of Suppressor Variable in Car Engine Performance Improvement Fauzhia Rahmasari; Fogot Endro Wibowo; Nur Witdi Yanto; Mareta Eko Pujiyanto
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 5 Nomor 1 Tahun 2023
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v5i1.4177

Abstract

One of the manufacturing companies in the automotive industry produces motor vehicle components, including engines. Compared to other spare parts, the engine plays a crucial role in vehicle operation. The primary purpose of the engine is to generate rotary power through the combustion of the air and fuel mixture contained within it. Therefore, optimal engine performance must be considered for the perfection of motorized vehicles, and external supporting factors that contribute to optimal engine performance must be identified. If this external supporting factor correlates with the used variables, it can be identified as a suppressor variable. A suppressor variable can improve engine performance by increasing the value of the coefficient of determination. The objectives of this study are to determine the type of suppressor variable and whether the suppressor variable can affect the performance of a car engine. According to the findings of this study, tire size (positive net suppression) and digital tuning (negative classical suppression) are suppressor variables that can influence the enhancement of automobile engine performance
Co-Authors Abeth Novria Sonjaya Abeth Novria Sonjaya Agus Budi Djatmiko Agus Budi Djatmiko Agus Budi Djatmiko Ahmad Syamsu Anwar Asir Aji Digdoyo Aji Digdoyo Anik Pebriana Anisah Aqthobirrobbany, Aqil Artana, I Nyoman Digdoyo, Aji dimas adi prasetyo Djatmiko, Agus Budi Dody Guntama Endro Wibowo, Fogot Erma Yuniati Erma Yuniaty Erma yuniaty Evyta Wismiana Farhan Anggarkhsa Fitriani, Deselpi Fogot Endro Wibowo Fogot Endro Wibowo Fogot Endro Wibowo Fogot Endro Wibowo Fogot Endro Wibowo Guntur T Budianto Harini Agusta Herliati Herliati Imam Nurhadi Purwanto Ivan Kusuma Kurniawati, Nani Lubena Lubena Lubena, Lubena Lukman N Mardiono Mardiono Mareta Eko Pujiyanto Mubarokah Nuriaini Dewi Muhammad Dzikri Akhira Ningrum, Sari Sekar Novriyanti Novriyanti Nur Witdi Yanto Purnamansyah, Irpan Putri Anggraini, Sabrina Reza Diharja Rudy Yulianto Rudy Yulianto Saepul Anwar Saepul Anwar Samodrawati, Dian Sandy Agung Pangestu Setiohadi, Bagas Sri Wiji Lestari Thoriq Aziz Taufiqurrahman Wike Handini Yeti Widyawati Yuniaty, Erma