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All Journal Jurnal Pendidikan Teknologi dan Kejuruan Teknik Mesin "TEKNOLOGI" Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) VANOS Journal of Mechanical Engineering Education Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Jurnal Engine: Energi, Manufaktur, dan Material Asean Journal of Science and Engineering (AJSE) Jurnal Abmas
Muhammad Noor, Ridwan Adam
Universitas Pendidikan Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Development of Android-Based Starter Motor Learning Media for Improving Students 'Abilities and Knowing its Learning Motivated Achievements Ibnu Mubarak; Tatang Permana; Iyep Sutia; Rika Andriani; S Sriyono; Ridwan Adam MN
VANOS Journal of Mechanical Engineering Education Vol 6, No 1 (2021)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v6i1.9600

Abstract

This study aims to develop Android-based learning media to improve students' abilities regarding the reduction type starter motor system and to determine the acquisition of learning motivation. The method used is pre-experimental design in the form of one-group pretest-posttest, while media development uses the ADDIE method. The population of this study were students who contracted electricity courses. The results of this study indicate an increase in the learning outcomes of the Pre-Test and Post-Test which is significant with the acquisition of the significance test using the t test with a significance value of 0.000, this increase is due to the use of android-based learning media that has been made. So that this learning media has a good impact on increasing students' insight in using technology, especially Android for learning uses. In addition, the students' learning motivation on average is in the category motivated by this media.
Online And Offline Training Of Electric Vehicle Technology For Automotive Productive Teachers At Smkn Al Mufti, Subang Regency Ridwan Adam; Tatang Permana; Yusep Sukrawan
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2022): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.921 KB) | DOI: 10.35568/abdimas.v5i1.1659

Abstract

This study aims to improve competence by providing knowledge and skills regarding maintenance and repair of electric vehicle technology (electric vehicle technology) to automotive productive teachers at Al Mufti Vocational School, Subang Regency. The training uses multiple approaches to simplify, strengthen and apply. The approach used is persuasive, collaborative and participatory. The method used is discussion, lecture, question and answer, demonstration and practice on electric cars, electric motorcycles and decomposed components. The level of achievement based on knowledge and skills carried out by post-test and pretest as well as performance tests shows the achievement of competence of 80 percent, so it is hoped that participants can transfer this electric vehicle technology to students in anticipation of the development and transition of driving technology from internal combustion engines (ICE) to electric drive.
Effect of Voltage, Current, and Power on revolutions per minute in the brushless direct 3000-Watt current motor on E-Gokart Iqbal Imaduddin; Doni Fajar Ramadhan; Ridwan Adam Muhamad Noor
ASEAN Journal of Science and Engineering Vol 1, No 3 (2021): AJSE: December 2021
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajse.v1i3.50677

Abstract

The internal combustion engine is a gasoline-powered internal combustion engine that is widely used in the world of transportation. Therefore, everyone is starting to think about developing alternative fuels that are fuel efficient, easy to upgrade, and better in terms of emissions. Vehicles with electric motors are one of the right solutions because they are more environmentally friendly and do not cause pollution when used. In this study, we will discuss the performance of the brushless DC electric motor that is applied to the Go-kart based on the voltage, current, and electrical power that occurs. The method used is measurement using software and experimental simulations. Based on the test results using Votol_V3 Voltage, current, power, and rotation per minute (rpm) have a relationship, the higher the rpm on the mid-drive type electric motor, the greater the current and power required.
Bridging theory and practice: Implementation of hybrid motorcycle prototypes as learning media in vocational automotive education Ramdhani, Ramdhani; Noor, Ridwan Adam M.; Sriyono, Sriyono; Fal, Nabiel Jabbar; Munawar, Wahid; Gifari, Muhamad Maris Al
Jurnal Pendidikan Teknologi Kejuruan Vol 8 No 4 (2025): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptk.v8i4.47323

Abstract

Rapid advancements in hybrid vehicle technology demand significant adjustments in vocational education to equip students with relevant competencies. This study investigates the effectiveness of a hybrid motorcycle prototype as an innovative learning media to improve student learning outcomes in vocational automotive education. Employing a pre-experimental one-group pretest-post-test design, the research involved 30 Grade XI Automotive Engineering students at SMK Negeri 1 Cisarua. Participants underwent a pretest, followed by four prototype-based learning sessions, and a post-test. Data were analysed using descriptive statistics, paired-samples t-test, and normalized gain (g). Results demonstrated a substantial improvement in learning outcomes, with the mean score increasing from 58.5 to 82.67 (mean gain = 24.17 points; t(29) = 8.805, p < 0.001; Cohen's d = 1.61), indicating a very large effect size. The normalized gain of 0.55 suggests medium effectiveness based on Hake's classification. Furthermore, 90.0% (27/30) of students achieved scores ≥75 post-intervention, compared to 23.3% (7/30) beforehand. Aligning with Edgar Dale’s Cone of Experience, these findings highlight that direct, hands-on engagement enhances comprehension and retention. The study concludes that hybrid motorcycle prototypes offer a cost-effective, practical, and scalable solution to bridge the theory-practice gap in vocational automotive education, especially in motorcycle-dominant contexts. Recommendations include integrating prototype-based learning into the Merdeka Curriculum and expanding its application to other technical domains.
IbM (Ipteks berbasis masyarakat) keterampilan teknologi las (kriya logam) pada pemuda/karang taruna desa Wahid Munawar; Mumu Komaro; Sriyono Sriyono; Ridwan Adam M. Noor
Jurnal Abmas Vol. 14 No. 1 (2014): Jurnal Abmas
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/abmas.v14i1.157

Abstract

Penelitian ini bertujuan untuk mengetahui bentuk pendidikan alternatif untuk pemuda/karang taruna desa. Penelitian menggunakan metode kualitatif, mengambil dua kelompok pemuda/karang taruna yang telah mengikuti pelatihan keterampilan teknologi (kriya logam). Informan terdiri dari tokoh pemuda dan ketua RW. Hasil penelitian menunjukkan bahwa bentuk pembelajaran alternatif adalah metode pendidikan orang dewasa atau andragogy. Proses pembelajaran dimulai dengan sharing pembelajaran, refleksi pengalaman hidup dan metode role play. Hasilnya 64% peserta pelatihan mengalami peningkatan keterampilan teknologi (kriya logam).
Analisis Tegangan Output Alternator Pada Variasi Beban Listrik Engine Diesel 4V21 Euro 4 Ade Permana; Yusep Sukrawan; Ridwan Adam Muhamad Noor
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 10 No. 1 (2026)
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v10i1.2683

Abstract

The stability of alternator output voltage is important for maintaining modern diesel vehicle electrical systems, because additional loads such as headlights, cabin cooling, and audio systems can increase current demand and affect charging voltage. This study aims to analyze alternator output voltage under variations of electrical load on a vehicle with a 4V21 Euro 4 diesel engine. A field experiment was conducted on a vehicle with a 24-volt electrical system and the engine operating at idle speed. Data were collected using a scanner under three load conditions: no load at 0 W, medium load at 150 W, and full load with a reference power of 1,110 W. Each condition was tested five times, with a data collection duration of 20 minutes per test, conducted once per day for five days. The main parameter observed was alternator output voltage, while engine RPM and coolant temperature were recorded as supporting data. The results showed that the average alternator output voltage was 28.3 V under no-load conditions, 27.8 V under medium-load conditions, and 27.7 V under full-load conditions. The total voltage drop from no load to full load was 0.6 V. Engine RPM remained at an average of 651 rpm, and coolant temperature remained at 83.1°C. These results indicate that increasing electrical load reduces alternator output voltage; however, the decrease was relatively small, and the lowest voltage still met the operating range of the 24-volt charging system, indicating that the charging system operated properly under the tested load variations.
Analisis Pengaruh Drop Tegangan Baterai terhadap Waktu Starting pada Engine 4N15 Mitsubishi Triton Ade Angraini Nasution; Yusep Sukrawan; Ridwan Adam Muhamad Noor
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 10 No. 1 (2026)
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v10i1.2691

Abstract

Starting performance in diesel engines is influenced by the battery’s ability to maintain voltage when the starter motor draws a high initial current. Excessive voltage drop can reduce cranking capability and affect the initial combustion process. This study aimed to analyze the effect of battery voltage drop on starting time in a Mitsubishi Triton equipped with a 4N15 diesel engine. The research used a field experimental method conducted directly on a vehicle with a 12-volt electrical system. Data were collected using a battery tester, scanner, and stopwatch through five tests consisting of three tests under normal operating conditions at 71–75 °C, one test under cold-engine conditions at 29 °C, and one test under hot-engine conditions at 89 °C. The main parameters observed were battery voltage drop and starting time. The results showed that normal operating conditions produced an average voltage drop of 3.25 V with an average starting time of 2.06 s. Cold-engine conditions at 29 °C produced the highest voltage drop of 4.23 V, while hot-engine conditions at 89 °C produced the lowest voltage drop of 3.08 V. The findings indicate that starting performance is influenced by voltage drop, battery condition, internal resistance, and CCA value. This study concludes that starting system analysis should consider voltage drop, minimum voltage during starting, and battery condition to obtain a more accurate analysis of starting performance.
Co-Authors A.A. Ketut Agung Cahyawan W Ade Angraini Nasution Ade Permana Aprillia, Rheihanita Noer Darmawan, Bambang Doni Fajar Ramadhan Ega Taqwali Berman Fal, Nabiel Jabbar Fani Aditya Faza, Ibnu Nur Febriyani, Githa Fitri Gifari, Muhamad Maris Al Ibnu Mubarak Ilyasa, Aditya Nur Iqbal Imaduddin Iyep Sutia Kamin Sumardi muhidin, asep Mumu Komaro Noviyana, Kiki Nurhadi, Idham Prasetyo, Rachmat Adi Pratama, Alfian Syahbari Pujangga, Jajang RAMDHANI RAMDHANI Rika Andriani Sriyono Sriyono Sriyono, S Sukrawan, Yusep Sutia, Iyep Tatang Permana, Tatang Wahid Munawar Widyaningsih, Indri Wuskha, Zainul Yundari, Yundari Yusron, Willi Nur