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All Journal Rotasi Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Jurnal Teknik Mesin Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) ARMATUR : Artikel Teknik Mesin dan Manufaktur Jurnal Polimesin Jurnal Ragam Pengabdian Jurnal Keselamatan Transportasi Jalan
Novianto, Arief
Politeknik Keselamatan Transportasi Jalan
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Analisis Efektivitas Thermal Insulation Aluminium Foil terhadap Penurunan Temperatur Kabin Mitsubishi L300 Ammar Dani Prasetyo Aji; Arief Novianto; Dwi Wahyu Hidayat; Faris Humami; Ery Muthoriq
Jurnal Ragam Pengabdian Vol. 3 No. 2 (2026): Mei-Agustus (Inprogress)
Publisher : Lembaga Teewan Journal Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62710/kgx8fp46

Abstract

Peningkatan temperatur pada kabin kendaraan Mitsubishi L300 sering menyebabkan penurunan kenyamanan termal pengemudi, terutama akibat posisi mesin yang berada di bawah kabin kendaraan. Penelitian ini bertujuan untuk menganalisis efektivitas penggunaan aluminium glass mat dan bubble aluminium foil sebagai material thermal insulation dalam menurunkan temperatur dan kelembaban kabin Mitsubishi L300 Euro 2. Penelitian menggunakan metode eksperimen dengan pengukuran suhu dan kelembaban pada ruang kabin, area kursi, dan ruang mesin kendaraan menggunakan Data Logger Elitech RC-4HC, thermometer infrared, dan mini digital thermometer. Pengujian dilakukan pada kondisi siang dan malam hari dengan variasi ketebalan material 4 mm, 6 mm, dan 8 mm serta dua konfigurasi pemasangan, yaitu pemasangan parsial pada area mesin dan pemasangan penuh pada seluruh permukaan kap mesin. Setiap variasi pengujian dilakukan sebanyak tiga kali untuk meningkatkan validitas data penelitian. Hasil penelitian menunjukkan bahwa penggunaan aluminium foil mampu menurunkan temperatur pada ruang mesin, area kursi, dan kabin kendaraan. Konfigurasi pemasangan penuh memberikan efektivitas penurunan suhu yang lebih baik dibandingkan pemasangan parsial. Variasi bubble aluminium foil ketebalan 8 mm menghasilkan performa terbaik dengan efisiensi penurunan suhu ruang mesin sebesar 21,9%, sehingga dinilai efektif dalam meningkatkan kenyamanan termal kabin kendaraan.
Study Komparatif Penambahan Zat Aditif Alami Dan Kimia Sintetis Pada Pertamax dalam Mengurangi Emisi Gas Buang Kendaraan Bermotor Nanang Okta Widiandaru; Arif Novianto; Rifkqi Jinan Albadi
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v13i1.786

Abstract

The emergence of Pertamax Green 95 in 2023, with the specification of a bioethanol blend in Pertamax resulting in an octane value of 95, is expected to be a better fuel than Pertamax in terms of vehicle performance and lower exhaust emissions. To confirm this hypothesis, research is needed to determine the comparison of using Pertamax, Pertamax Green (Pertamax mixed with bioethanol/natural additive), and a mixture of Pertamax with an octane booster/synthetic chemical additive on exhaust emissions. The researchers will use the experimental method for this study. The purpose of experimental research is to determine the results of a study due to several treatments or actions taken by the researchers. The research object uses carburetor and EFI cars with Pertamax, Pertamax Green 95, and a mixture of Pertamax and Octane Booster as fuel. The comparison of using Pertamax, Pertamax Green 95, and a mixture of Pertamax with Octane Booster shows significant differences in emissions, which also vary for each vehicle. The lowest emission content in carbureted vehicles was found in Pertamax Green 95 fuel, with an average CO content of 8.76% and an average HC content of 3347.78 ppm. Meanwhile, the lowest emissions in EFI vehicles were also found with Pertamax Green fuel, with an average CO and HC emission content of 0.013% and 5.06 ppm, respectively. Statistical testing was conducted using the Kruskal-Wallis test on the three fuels, yielding significance values (Asymp. Sig.) for CO levels of 0.02 for the carburetor and <0.001 for the EFI, while HC levels were <0.001 for both the carburetor and the EFI. It was concluded that there are significant differences between the three fuel groups in the exhaust gas emission test results.
Multimodal vehicle security system based on internet of things: integration of fingerprint authentication, face recognition, and GPS tracking Dodik Wahyu Wiratama; Muhammad Iman Nur Hakim; Helmi Wibowo; Arief Novianto
Jurnal Polimesin Vol 24, No 3 (2026): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i3.9032

Abstract

The surge in vehicle theft in Indonesia has exposed the weaknesses of conventional security systems such as mechanical keys and immobilizers. This study aims to develop an IoT-based vehicle security system integrating fingerprint authentication, facial recognition, and GPS tracking, and evaluates its performance quantitatively. The system was tested on a Toyota Avanza with six users. Facial recognition used a MobileNetV2 CNN model trained with 1,200 local images across four classes (registered, unregistered, masked, and sunglasses) using a learning rate of 0.001, batch size of 32, and 50 epochs. Fingerprint authentication employed minutiae extraction with Euclidean distance matching. The system successfully implemented two-factor authentication. Facial recognition achieved an accuracy of 94.2%, with a False Acceptance Rate (FAR) of 2.1% and a False Rejection Rate (FRR) of 3.7%. Fingerprint authentication reached 91.5% accuracy, with FAR of 4.3% and FRR of 4.2% under dry finger conditions, while FRR increased to 18.5% for scratched fingers. The system detected unregistered users and triggered engine shutdown while sending photos and GPS coordinates through Telegram. GPS tracking achieved 99.3% positional accuracy. The results demonstrate the feasibility of multimodal IoT-based vehicle security, although performance remains sensitive to lighting conditions, face coverings, and finger surface conditions.
Co-Authors A. Siswono Achmaditiya, Galuh Agus Siswono Agus Siswono Agus Siswono Ahmad Basuki Ammar Dani Prasetyo Aji Ayondya, R. Aziz Kurniawan, Moch Bambang Istiyanto Dodik Wahyu Wiratama Dwi Wahyu Hidayat El Tosi, Vinno Ery Muthoriq Eska Fahmadi, Aat Fahmadi, Aat Eska Faris Humami G. Gunawan Helmi Wibowo Muhammad Iman Nur Hakim Nanang Okta Widiandar Nanang Okta Widiandar Pratama, Mahardhika Putra Rafinanda, Rahma Rifkqi Jinan Albadi Rifky Ismail Saputra, Bagus Ari Sugianto Sugianto Syaibani Ikhsan Syaibani Ikhsan Turasno, Buang Widiandaru, Nanang Okta