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All Journal Jurnal Teknologi Transportasi dan Logistik Journal of Research and Development on Public Policy Asian Journal Science and Engineering
Arif Devi Dwipayana
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Environmental Science Mechanical Engineering Social Sciences Transportation Other

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Kajian Kekuatan Material pada Chassis Prototype Sepeda Motor Listrik yang Dirancang Bangun dengan Daya 3000 Watt Dinda One Mulyaningtyas; Aris Budi Sulistyo; Arif Devi Dwipayana
Jurnal Teknologi Transportasi dan Logistik Vol. 4 No. 1 (2023): Juni 2023
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Poltrada Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52920/jttl.v4i1.124

Abstract

Chassis kendaraan merupakan rangka yang berfungsi sebagai penopang berat kendaraan, mesin penumpang, serta beban-beban lain. Beban yang lebih berat akan menyebabkan kelelahan dan mempersingkat umur Chassis. Operator kendaraan tidak dapat secara akurat memperkirakan jumlah muatan yang dibawa oleh Chassis. Hal ini karena saat ini belum ada standar yang berlaku untuk kerusakan Chassis, baik dari segi posisi, luasan, maupun frekuensi pembebanan. Tujuan dari penelitian adalah menganalisis pengaruh pemberian pembebanan kepada material dan menganalisis beban maksimal yang bisa menopang rangka/Chassis sepeda motor listrik dengan daya 3000-watt. Adapun hasil dari penelitian adalah semakin berat pembebanan yang dilakukan maka simulasi stress, Displacement dan Strain menunjukkan peningkatan nilai, sedangkan untuk FOS semakin berat pembebanan yang dilakukan maka nilai semakin kecil < 1, (batas aman nilai FOS > 1). Pembebanan 90 kg memiliki nilai FOS yang sangat ideal yakni 1,207 dan maksimum nilai FOS dengan pembebanan 120 kg dengan nilai 0,905, dengan pembebanan 150 kg dan 180 kg Chassis tidak mampu untuk menahan beban karena memiliki nilai < 1.
Implementasi IKM Berdasarkan PERMENPAN RB Nomor 14 Tahun 2017 Sebagai Wujud Pelayanan Prima Ni Putu Dyah Erna Savitri; Arif Devi Dwipayana; Yusime Fitasari
Journal of Research and Development on Public Policy Vol. 2 No. 3 (2023): September : Journal of Research and Development on Public Policy
Publisher : Lembaga Pengkajian Dan Pengembangan Sumberdaya Pembangunan (lppsp)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58684/jarvic.v2i3.80

Abstract

Law of the Republic of Indonesia No. 25 of 2004 mandates the Community Satisfaction Index (IKM) as a benchmark for assessing the quality of public services. UPT PKB Malang City which provides services in the field of Motorized Vehicle Testing, needs to measure IKM. The last evaluation in 2020 showed a "GOOD" value, but did not pay attention to the latest regulations related to IKM, namely Permenpan No.14 of 2017. Previous research has shown that the application of IKM using indicators from Permenpan No.14 of 2017 can increase the level of agency service. So this research aims to further examine the implementation of IKM by referring to Permenpan No.14 of 2017, as a form of excellent service. The method used in this research is to use observational research techniques, interviews and questionnaires. The method of analysis used is quantitative analysis which is generated based on quantitative data obtained through data collection. The results of this study prove that it is important to periodically evaluate IKM with Permenpan No.14 of 2017 regularly in supporting the performance targets of testing agencies and can improve service elements where the IKM value resulting from this study is "75.08" having quality "poor" service.
Thermal Analysis and Battery Life of Lithium-Ion 60 Volt / 23 Ah with Variation of Engine Rate on 3000 W Electric Motorcycle Prototype Arif Devi Dwipayana; Ainul Ghurri; Suprapta Winaya
Asian Journal Science and Engineering Vol. 4 No. 1 (2025): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v4i1.2043

Abstract

Lithium-ion batteries in electric vehicles face challenges in terms of energy conversion efficiency and thermal resistance. One of the main factors affecting battery performance is the variation in engine speed, which has an impact on current consumption, voltage changes, and an increase in battery temperature. This study aims to comprehensively analyze the effect of engine speed variation on the electric current consumption, battery life, and thermal characteristics of a 60V/23Ah lithium-ion battery in a 3000W electric motorcycle prototype. In addition, this research also evaluates the durability of the battery under varying operational conditions to identify potential optimizations of the battery management system. The methods used in this research involved MATLAB-based experiments and simulations. Tests were conducted by measuring battery current, voltage, and temperature at six different engine speed levels, and then compared with simulation results developed using a mathematical model based on motor efficiency and battery internal resistance. The results show that an increase in engine speed is directly proportional to the current consumption and a decrease in battery voltage. In addition, the battery temperature increases steadily, with relatively small differences between experimental and simulation results. This research contributes to a better understanding of the energy dynamics of electric vehicle battery systems and offers a simulation model approach to optimizing the design of battery management systems. The results of this study can be used to improve energy conversion efficiency and extend battery life in electric vehicles. Further research can be conducted by considering more complex environmental parameters, such as cooling effects and vehicle dynamic load variations.
Co-Authors Ainul Ghurri Aris Budi Sulistyo Dinda One Mulyaningtyas Ni Putu Dyah Erna Savitri Suprapta Winaya Yusime Fitasari