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Journal : Automotive Experiences

 1 
Application of a PEM Fuel Cell Engine as a Small-Scale Power Generator for Small Cars with Different Fuel Concentrations Herlambang, Yusuf Dewantoro; Sulistiyo, Wahyu; Margana, Margana; Apriandi, Nanang; Marliyati, Marliyati; Setiyo, Muji; Shyu, Jin Cherng
Automotive Experiences Vol 6 No 2 (2023)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.9225

Abstract

A fuel cell power generation system is a renewable energy system that works based on electrochemical processes and produces a direct electric current (DC). Specifically, a Proton Exchange Membrane (PEM) Fuel Cell can operate at low temperatures and produce an efficiency of around 40-60%. In this study, the performance test of the PEM Fuel Cell for power generation was carried out by supplying hydrogen gas using hydrogen from the electrolysis of the hydrogen generator with a variation of KOH catalyst solution with a concentration of 0.5 M; 1.0 M; 1.5 M; 2 M and using Ultra High Purity (UHP) hydrogen with various flow rates of 250 mL/min, 300 mL/min, 350 mL/min, 400 mL/min, 450 mL/min, and 500 mL/min. The test results showed that the output power of hydrogen produced by the electrolysis process was 10.8 W at a concentration of 1 M solutions at an input current of 20 A. The greater the concentration of the catalyst solution, the smaller the electrical power required for the electrolysis process. However, the hydrogen power supply produced by the hydrogen generator was not optimal, so it did not meet the needs of the PEM Fuel Cell. As a result, the PEM Fuel Cell could not work. Meanwhile, testing with UHP hydrogen produced the highest electrical power of 31.588 W at a flow rate of 450 mL/min with a load of 20 W. It indicates that the PEM Fuel Cell is optimal at the output power value with an efficiency of 69.80%.
Study on Solar Powered Electric Vehicle with Thermal Management Systems on the Electrical Device Performance Herlambang, Yusuf Dewantoro; Sulistiyo, Wahyu; Margana, Margana; Apriandi, Nanang; Nursaputro, Septiantar Tebe; Marliyati, Marliyati; Setiyo, Muji; Purwanto, Wawan; Rochman, Muhammad Latifur; Shyu, Jin Cherng
Automotive Experiences Vol 7 No 1 (2024)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.10506

Abstract

This study aims to determine the reliability of applying a thermal management system in conjunction with Internet of Things in solar electric cars. In conventional electric cars or those whose driving energy source comes from gasoline fuel; the applied thermal management system is mainly used as a coolant for the internal combustion engine. However, for electric cars the thermal management system may be used for the main components such as controllers that convert solar module energy into electricity and batteries. Results from tests utilizing six DC fans for air cooling of the thermal management system yield two variations of battery charging conditions from the solar modules, namely variations of 25 and 400 turns of the trimmer constant current step-up charger. Test results from the proposed thermal management system show that the highest step-up charger temperature is 35.75 °C with voltage of 57.64 V for the variation of 25 laps. The test results on the battery voltage and temperature show that the highest battery temperature reaches 31.75 °C with voltage of 57.3 V at the variation of 25 rounds.
Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers An-Nizhami, Avicenna; Herlambang, Yusuf Dewantoro; Apriandi, Nanang; Bono, Bono; Sugiono, Friska Ayu Fitrianti; Sai'in, Ali; Widodo, Ignatius Gunawan; Yanuar, Padang
Automotive Experiences Vol 8 No 1 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.12792

Abstract

This study explores the dynamic response of passenger cars equipped with nonlinear passive shock absorbers, emphasizing the nonlinear damping characteristics over traditional linear models in simulating real-world driving conditions. To capture the nonlinear damping behavior, experimental data from a shock absorber testing apparatus was utilized to derive an empirical formula. The damping force was modeled using a seventh-order polynomial equation, accurately representing the force-velocity relationship. This nonlinear damping model was integrated into a half-car suspension model, which was subjected to simulations involving two road profiles: a bump and an irregular sinusoidal road profile. Simulations demonstrated that the nonlinear model outperformed its linear counterpart, particularly in vibration control. It achieved significant reductions in body displacement, body acceleration, and suspension deflection, with notable improvements at resonance speeds. Root Mean Square (RMS) analysis further corroborated the nonlinear model's superior damping performance, showing lower displacement and acceleration values compared to the linear model. The findings indicate the effectiveness of nonlinear damping models in enhancing ride comfort and vehicle stability, providing a more realistic and effective framework for vehicle dynamic analysis compared to conventional linear approaches.
Trends, Advances, and Future Directions in Fuel Cell Electric Vehicle Performance: A Bibliometric Analysis Using the PAGER Framework Herlambang, Yusuf Dewantoro; Apriandi, Nanang; Negara, Komang Metty Trisna; Raharjanti, Rani; Angraini, Lily Maysari; Alfauzi, Abdul Syukur; Marliyati, Marliyati
Automotive Experiences Vol 8 No 1 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13111

Abstract

The global shift toward sustainable transportation has positioned fuel cell electric vehicles (FCEVs) as a key zero-emission mobility solution. Despite notable technological progress, FCEV adoption faces persistent barriers including high hydrogen production costs, limited infrastructure, and lack of real-world validation. This study employs the Pattern, Advance, Gap, Evidence for Practice, and Research Recommendation (PAGER) framework to conduct a comprehensive bibliometric analysis of 200 peer-reviewed publications from 2005 to 2024, focusing on performance trends, technological advancements, research gaps, practical applications, and future research directions. The analysis uses Scopus data and VOSviewer for visualization and thematic mapping to identify three distinct research phases: early exploration, gradual refinement, and rapid technological maturity. Key findings highlight advancements in energy management strategies, hybrid powertrain integration, and hydrogen storage optimization. However, critical gaps remain in economic modeling, behavioral adoption analysis, and infrastructure scalability. This study offers a structured roadmap for future research and practice, emphasizing the need for dynamic total cost of ownership models, interdisciplinary policy interventions, and real-world pilot projects. The findings serve as a strategic reference for academics, industry stakeholders, and policymakers to accelerate the global transition to sustainable FCEV-based transportation systems.
Co-Authors Ahmad Hamim Su’udy Alfauzi, Abdul Syukur Aminuyati An Nizhami, Avicenna Asih Priyati Aulia, Nur Fatowil A’tohillah, Muhammad Khusnul BAKTIYAR MEI HERMAWAN Berkah Fajar Tamtomo kiono Bono Bono Budhi Prasetiyo Dwiana Hendrawati Elfrida Rizky Riadini F Gatot Sumarno, F Gatot F. Gatot Sumarno, F. Gatot Giarno Giarno Hatmoko, Sumantri Hermawan, Baktiyar Mei Hidayat, Agriananta Fahmi I Gusti Bagus Wijaya Kusuma I Made Sudana I Made Widiyarta I Nyoman Gede Baliarta Ignatius Gunawan Widodo Ilfiani , Pratiwi Dian Janitra, Atikah Ayu Khoiri Rozi Khoirunnisa, Hilma Kholifah, Nevita Nur Khoryanton, Ampala Khusna, Atina Nurul Komang Metty Trisna Negara Kusuma, Mukhsinun Hadi Lily Maysari Angraini Luthfiana, Nadia Tasya Ayu Made Ery Arsana Margana Margana Margana Margana Mariani, Dina Marliyati Marliyati, Marliyati Mochammad Denny Surindra Muhammad Latifur Rochman Muhammad Yunus Muji Setiyo Mulyono Mulyono Nabila, Lathifa Dylla Nantana, Nining Rara Negara, Komang Metty Trisna Nizami, Avicenna An Nur Fatowil Aulia Nursaputro, Septiantar Tebe Nurul Qomariyah Padang Yanuar Padang Yanuar Pambudi, Yoyok Dwi Setyo Prakoso, Raden Gumilang Aji Pramesywari, Afifa Purwanto, Wawan Rachman, Iqo Yovie Rani Raharjanti Restiawan, Muhammad Mika Ramadhani Ribka Stephani Sai'in, Ali Satito, Aryo Setiawan, Trio Setiyawan, Trio Setyowati, Nur Shyu, Jin Cherng Sirajuddin Haji Abdullah Slamet Priyoatmojo, Slamet Sofia Loren Butarbutar, Sofia Loren Sudirman Sugiono, Friska Ayu Fitrianti Supandi Supriyo Supriyo Surya Abdul Muttalib, Surya Abdul Suseno, Sigit Sutanto, Bayu Suwarti Suwarti Su”™udy, Ahmad Hamim Timotius Anggit Kristiawan Totok Prasetyo Totok Prasetyo Ulum, Muhammad Showi Nailul Wahyono Wahyono Wahyu Isti Nugroho Wahyu Sulistiyo Wibowo, Andryana Dwiandara Widodo, Ignatius Gunawan Wirza, Alif Rahman Wiwik Purwati Widyaningsih Yanuar Mahfudz Safarudin Yusuf Dewantoro Herlambang Yusuf Dewantoro Herlambang Zainal Abidin Zulhan Widya Baskara Zulkarnaen Zulkarnaen