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All Journal Automotive Experiences Journal of Automotive and Mechanical Applied Technology
Marcin Noga
Cracow University of Technology, Poland
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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 1 
The Effects of Use of the Range Extender in a Small Commercial Electric Vehicle Marcin Noga; Paweł Gorczyca; Radosław Hebda
Automotive Experiences Vol. 4 No. 1 (2021)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1474.89 KB) | DOI: 10.31603/ae.4137

Abstract

Research on the effects of the use of the range extender developed for a small commercial electric vehicle was presented in this paper. The range extender has a maximum output power of 2.65 kW. The developed auxiliary power unit consists of a three-phase generator propelled by an industrial low-power spark-ignition engine. The exhaust system was improved using a more efficient muffler. The implemented motorcycle muffler has a three-way catalyst (TWC) integrated inside. The use of the more advanced exhaust system aimed at reducing noise and exhaust emissions of the range extender. The efficient operation of the three-way catalytic converter requires a stoichiometric air-fuel ratio. To enable desired air-fuel ratio a fuel system was modified. In the first stage of research, the effects of improvements of the exhaust system on the range extender noise emissions were quantified. The next step covered the research of the fuel conversion efficiency, the exhaust gas composition, and the efficiency of conversion of the three-way catalyst. A significant decrease of noise and toxic gas emissions and an increase in the fuel conversion efficiency were revealed. The mentioned research was conducted in stationary conditions. After that, in the final part research of the running vehicle with the range extender on was made. The beneficial outcome of these tests enabled the development of a set of rules of the control of the range extender.
Strategy for Safe Passenger Transport during the COVID-19 Pandemic: From Review to Recommendation Retno Rusdjijati; Sumarno Adi Subrata; Zulfikar Bagus Pambuko; Muji Setiyo; Marcin Noga
Automotive Experiences Vol. 5 No. 2 (2022)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1141.069 KB) | DOI: 10.31603/ae.6593

Abstract

The COVID-19 pandemic caused a large-scale disruption to countries worldwide particularly in road traffic changes and people mobility. To respond to this, a titanic amount of published studies had investigated those concerns. However, a study describing mitigation efforts relating to this pandemic in the transportation sector is scarce. On the other hand, the lack of coordination between transportation authorities, public transport operators, and passengers triggers complex issues including the accumulation of passengers at bus stations that potentially increase virus transmission. For this reason, this article intends to investigate and establish strategies for safe passenger transport. The finding of the article presented four basic strategies as follows: First, a coordinated response among stakeholders and government is needed to develop comprehensive policies. Second, coordinated demand management is required to maintain a balance between government policies and citizen demands. Third, provide health education on Personal Protective Equipment (PPE) to public transport crews. Fourth, protecting the passengers and maintaining trust in public transport services. Additionally, it is recommended to provide adequate infrastructure, perform regular check-ups (i.e. assessing body temperature before entering public transportation), provide up-to-date COVID-19 health alert, and implement health protocol. Also, when this pandemic is over, the use of fuel-based transportation needs to be reduced, especially for short trips. To optimize this strategy, the role of government and health authorities on the policy side is crucial. Also, a good response from public transport operators and passengers is the key to defeat the COVID-19 pandemic in the transportation area.
Development of an LDR-integrated PDLC film for automatic glare reduction in vehicles Riyan Ikhsan Nugroho; Marcin Noga; Naufal Annas Fauzi
Journal of Automotive and Mechanical Applied Technology Vol. 2 No. 1 (2025)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamat.v2i1.1343

Abstract

The high risk of glare from vehicle headlights at night often becomes a significant contributor to traffic accidents, particularly for motorcyclists and drivers of lightweight vehicles. To address this issue, a smart glare-blocking system based on a PDLC (Polymer Dispersed Liquid Crystal) film has been developed. This research proposes the design, development, and testing of a PDLC film system integrated with an LDR (Light-Dependent Resistor) sensor to automatically detect light intensity and adjust the film's opacity in real-time. The goal is to enhance driver visibility and comfort without compromising overall road safety. The experimental setup involved placing the prototype system at varying distances (0–9 meters) from a controlled light source at night. Measurements were conducted to collect data on light intensity, voltage output, resistance of the LDR, and the degree of light attenuation achieved by the PDLC film. The results showed that at a distance of 1 meter, the PDLC film could block up to 99.85% of incoming light, reducing 12080 Lux to only 17 Lux. Moreover, the film began to react at 6 meters with an output voltage of 34V. It became fully transparent at 8–9 meters with an output of 50V. The findings demonstrate that the PDLC system functions effectively in detecting potential glare and reducing its impact before it reaches the driver's eyes. This intelligent system offers a promising solution for minimizing night-driving hazards by dynamically adapting to changing light conditions.
Co-Authors Muji Setiyo Naufal Annas Fauzi Paweł Gorczyca Radosław Hebda Riyan Ikhsan Nugroho Rusdjijati, Retno Sumarno Adi Subrata Zulfikar Bagus Pambuko