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All Journal Jurnal Optimasi Sistem Industri TECHNO-SOCIO EKONOMIKA Andalasian International Journal of Applied Science, Engineering, and Technology MACHINERY: Jurnal Teknologi Terapan METAL : Jurnal Sistem Mekanik dan Termal
Eka Satria, Eka
Unknown Affiliation
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Design and Development of an Electric Gokart Prototype ‘E-Andalasian’ for Sustainable Campus Transportation Saputra, Dendi Adi; Dahlan, Hendery; Satria, Eka; Susanti, Lusi; Khairul, Fajri; Nabil, M. Naufalunn; Gusnanda, Raihan; Joice Natalie, Ezra; Fadhillah, M. Ahlan
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 5 No. 1 (2025): March 2025
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v5i1.205

Abstract

This research focuses on the design, development, and optimization of the electric go-kart "E-Andalasian" as an environmentally friendly campus transportation solution. Structural analysis was performed using Finite Element Analysis (FEA) to evaluate stress distribution and deformation under static and dynamic loads. The study also optimizes the BLDC motor, 72V 40Ah lithium battery, and controller to achieve efficient and reliable performance. Results indicate critical stress points at wheel joints, with recommendations for aluminum alloy use to enhance weight efficiency. Experimental testing showed that the motor achieved a maximum torque of 44.52 N.m and 6447 RPM, while the battery supports a range of 40 km with a charging time of 2 hours 9 minutes. Although the maximum speed reached 59 km/h, additional optimization is required to meet the original design target. The findings provide a prototype foundation for future improvements and contribute to green campus mobility.
Effect of Trigger Configuration on Crash Box Energy Absorption in Vehicle Collisions using MSC Dytran Satria, Eka; Saputra, Dendi Adi; Dahlan, Hendery; Son, Lovely; Saputra, M. Fazri Irwan; Afrinaldi, Feri; Susanti, Lusi; HG, Sabri Haris
METAL: Jurnal Sistem Mekanik dan Termal Vol. 9 No. 1 (2025): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.9.1.38-45.2025

Abstract

Vehicle crashworthiness is a critical aspect of automotive safety engineering designed to minimize injury to occupants during collisions. This paper investigates the role of trigger mechanisms in enhancing crashworthiness by managing energy absorption and deformation during impact. Trigger mechanisms, including structural features like grooves, holes, or geometric discontinuities, initiate controlled deformation, optimizing energy dissipation. This study evaluates the effectiveness of crash boxes with various cross sections and six trigger designs: bead initiator, diamond notch, smaller thickness, circular notch, circular holes, and oval holes, to absorb energy of collision using computational software, MSC Dytran. The results show that a crash box with an octagonal section absorbs more energy than those with square, rectangular, or hexagonal sections. Among the introduced trigger designs, the models of bead initiator, circular notches, and circular holes were considerably the most effective in energy absorption.
Pemahaman dan Kesiapan Insinyur Teknik Sipil dalam Green Infrastructure Saepurrahman, Dewa; Siregar, Chandra Afriade; Pratiwi, A. Andini Radisya; Zamani, Ahmad Fikri; Jainudin, E.; Satria, Eka; Rahayu, Ila; Lestari, Santi Dwi; Gustian, Arif; Iqbal, Rizky; Chalid, Abdul
TECHNO-SOCIO EKONOMIKA Vol 18 No 1 (2025): Jurnal Techno-Socio Ekonomika - April
Publisher : LPPM Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/techno.2025.18.1.4018

Abstract

Climate change, driven by rising greenhouse gas emissions, significantly impacts our planet. The construction sector, a major contributor to these emissions, demands a shift towards sustainable building practices. Green infrastructure (GI) offers a promising solution by integrating environmental principles into design and construction. This research investigates the understanding, challenges, and readiness of civil engineering graduates in implementing GI. Utilizing a survey-based approach with master's students at Sangga Buana University, the study analyzed the perceptions of students from different backgrounds: Civil Engineering, Other Engineering, and Non-Engineering. Results indicate that Civil Engineering students demonstrate a higher level of awareness and understanding of GI, influenced by their curriculum's focus on sustainable infrastructure development. However, challenges such as cost constraints and limited managerial support persist. Despite these challenges, civil engineering graduates exhibit a greater readiness to embrace and implement GI concepts.
PENGARUH MEDIA PENDINGIN DAN SUHU PADA PROSES PEMANAS INDUKSI TERHADAP NILAI KEKERASAN BAJA JIS SUP 9 SEBAGAI BAHAN ALTERNATIF PAHAT BUBUT HSS Rizkiawan, Muhammad Afif; Romli, Romli; Satria, Eka
MACHINERY Jurnal Teknologi Terapan Vol. 1 No. 1 (2020): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.362 KB) | DOI: 10.5281/zenodo.4540914

Abstract

Baja karbon biasanya digunakan untuk Pahat Bubut HSS, masalah yang dihadapi biasanya pahat membentur chuck dan material atau kesalahan setingan akibatnya pahat tersebut akan mengalami kerusakan sehingga tidak dapat digunakan lagi. Oleh karena itu peneliti mencari bahan alternatif dengan proses dan material yang lebih murah namun dapat menghasilkan kualitas yang setara dengan pahat bubut HSS. Heat treatment dilakukan dengan variasi media pendingin dan suhu terhadap nilai kekerasan Baja JIS SUP 9 dilakukan proses hardening pada suhu 750 °C, 800 °C, 850 °C dengan waktu tahan 20 detik. Proses selanjutnya, quenching dengan variasi media pendingin udara, solar dan oli SAE 40. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh media pendingin dan suhu dengan variasi media pendingin udara, solar, oli SAE 40 pada suhu 750 °C, 800 °C, 850 °C terhadap nilai kekerasan baja JIS SUP 9 pada proses pemanas induksi sebagai bahan alternatif pahat bubut HSS. Hasil uji kekerasan tertinggi 60,7  HRC pada suhu pemanasan 800 °C menggunkan media pendingin solar, tingkat kekerasan hampir mendekati  jika dibandingkan dengan pahat bubut HSS M2 sebesar 65,6 HRC. Pengaruh media pendingin dan suhu terbukti mampu menamabah kekerasan baja JIS SUP 9 didapat nilai F hitung lebih besar dari nilai F tabel (23,4 > 2,63).
Optimalisasi Proses Perakitan Pesawat Tanpa Awak dengan Metoda Critical Path Methods (CPM) Saputra M, Dendi Adi; Satria, Eka; Pandy, Gusman Arif
Jurnal Optimasi Sistem Industri Vol. 15 No. 1 (2016): Published in March 2016
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v15.n1.p87-92.2016

Abstract

The manufacturing of Unmanned Aerial Vehicles (UAV) requires a design process that involves the design of aircraft’s components such as fuselage, wing, horizontal stabilizer, vertical stabilizer, ailerons, elevators, tail, and wing. The process takes a long time. Therefore, the distribution of structural works based on their characteristics and classifications by considering their design attributes and manufacturing processes is required. This research aims to find the optimal time and critical path of the assembly process of an UAV based on product work breakdown structure (PWBS) and critical path method (CPM). The result reveals that the optimal assembly time is 139 minutes. Finally, the application of product-oriented structural work distribution and the optimization of the assembly activities involved in the critical path successfully minimize the duration of the assembly process.
Co-Authors Afrinaldi, Feri Chalid, Abdul Dendi Adi Saputra M, Dendi Adi Fadhillah, M. Ahlan Gusman Arif Pandy, Gusman Arif Gusnanda, Raihan Gustian, Arif Hendery Dahlan, Hendery HG, Sabri Haris Ila Rahayu Iqbal, Rizky Jainudin, E. Joice Natalie, Ezra Khairul, Fajri Lestari, Santi Dwi Lovely Son, Lovely Lusi Susanti, Lusi Nabil, M. Naufalunn Pratiwi, A. Andini Radisya Rizkiawan, Muhammad Afif Romli Romli, Romli Saepurrahman, Dewa Saputra, Dendi Adi Saputra, M. Fazri Irwan Siregar, Chandra Afriade Zamani, Ahmad Fikri