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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)
Novianto, Arief
Politeknik Keselamatan Transportasi Jalan
Aerospace Engineering Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Kajian Penerapan Pemeriksaan Persyaratan Teknis Pada Unit Pelaksana Uji Berkala Kendaraan Bermotor Sesuai Buku Pedoman Pengujian Kendaraan Bermotor Jilid II B Dan II D Novianto, Arief; Eska Fahmadi, Aat; El Tosi, Vinno
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 9 No. 1 (2022): 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.v9i1.415

Abstract

Motor vehicle testing is a series of activities to test and/or inspect parts of motorized vehicles, trailers, patch trains and special vehicles in the context of meeting technical requirements and roadworthiness both visually and manually. The problem faced is that there is no uniformity of technical services carried out in each of the Implementing Units of the Periodic Motorized Vehicle Test (UPUBKB). The purpose of this study was to determine the suitability of items and the flow of the technical inspection process in UPUBKB with those in the motor vehicle testing manual volumes II B and II D. The sampling method used in this study was simple random sampling, amounting to 32 UPUBKB. from a total population of 212 UPUBKB in Indonesia that have obtained accreditation A and B. The data collection method used is literature study and observation using a questionnaire (Likert scale) and a check list. The submission of questionnaires and checklists was carried out offline and online to 32 UPUBKB locations spread throughout Indonesia. The data will be analyzed descriptively quantitatively. The results of the study showed that only 53% or 17 UPUBKB had the flow of the vehicle technical inspection implementation process in accordance with the motor vehicle testing manual, 47% of the UPUBKB samples did not comply with the technical inspection flow. Of the 17 UPUBKB, there are 7 UPUBKB accredited A and 10 UPUBKB accredited B. Meanwhile, of the 32 samples of UPUBKB, not all of them have carried out technical inspections in accordance with the items in the motor vehicle testing manual, and based on the questionnaire, the examiner respondents at UPUBKB strongly agree (92 .5%) and expects a national standard for technical inspection of motor vehicles.
Brake Drum Temperature Adjustment and The Brake Lining Gap's Impact On Motor Vehicle Brake Efficiency Novianto, Arief; Turasno, Buang; Ismail, Rifky; Achmaditiya, Galuh
ROTASI Vol 26, No 2 (2024): VOLUME 26, NOMOR 2, APRIL 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.2.23-28

Abstract

Brakes are a key component in motor vehicle systems that play a vital part in decreasing the likelihood of accidents on the road. Improper component adjustment in the brake system, particularly with drum brakes, can cause the brakes to perform inefficiently. This research aimed to determine the effects of significant variations in drum brake and brake lining temperature on motorized vehicle braking efficiency. The brake lining gap size and the drum brake's temperature are controlled in this study's experimental setup.  From these various modifications, the main braking efficiency was verified using a brake tester. The brake lining gap is 0.3 mm, 1 mm, and 1.7 mm. Meanwhile, the brake drums' temperatures have been adjusted to 30, 90, and 150 degrees Celsius. The results show that braking efficiency decreases with increasing brake lining gap. The effectiveness of the drum brake decreases as the temperature rises. Meanwhile, the fluctuating brake lining spacing and temperature also affect braking efficiency. The brakes' effectiveness decreases with increasing distance between the drum brake's lining and temperature.
Karakteristik Kampas Rem Dari Komposit Serbuk Arang Tempurung Kelapa dan Serbuk Tulang Sapi Novianto, Arief; Ismail, Rifky; Saputra, Bagus Ari
ROTASI Vol 25, No 3 (2023): VOLUME 25, NOMOR 3, JULI 2023
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.25.3.52-58

Abstract

The number of vehicles being added in Indonesia is increasing every year, so the demand for auto parts is bound to increase as well. The brake pad is one of the most significant and rapidly changing components. Asbestos regulations begin to restrict brake linings. Asbestos brake pads are being phased out in favor of more environmentally friendly or asbestos-free alternatives since they constitute a health and environmental risk. This is why it is suggested that brake pads be made from asbestos-free materials. One of them is to develop the application of a mixture of coconut charcoal powder and cow bone powder as a composite material for brake pads. In addition to coconut shell charcoal and beef bone, other materials used to make composite brakes are aluminium powder, epoxy resin and MgO. These materials are printed by hot pressing at 180°C. This was an experimental research in which three different preparations were modeled. Furthermore, composite brake pads are evaluated for hardness, wear, and heat resistance in order to determine the optimal model. According to the test results, sample 1 has the maximum hardness value of 71.44 HV. Sample 1 has the lowest abrasion value of 2.62 mm2/kg, making it difficult to wear. In the heat resistance test, all three samples meet the SAE J661 requirement because the surface is not damaged during the 360°C test, such as stamping, cracking, puncture, or warping. Thus, sample 1 is the best of the three, with the highest hardness value, the least abrasion, and no damage in the heat resistance test.
Prototipe alat bantu ukur dimensi kendaraan bermotor berbasis mikrokontroler A. Novianto; B. Istiyanto; A. Siswono
Dinamika Teknik Mesin Vol 14, No 1 (2024): Dinamika Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v14i1.784

Abstract

This research is a type of research and development (R&D) research whose output produces a design product for tools to measure the dimensions of motorised vehicles. The goal is to create a vehicle dimension measurement device that is portable, quick, accurate, and easy to use. The design of the tool consists of various components that are interconnected into a series, which is then programmed according to needs. The way the series of tools work is by emitting infrared light through a laser distance sensor, which will then be reflected on the reflector in the support tool. The data will be processed using an ESP32 microcontroller, and the measurement results can be seen via the LCD module and printed out via a thermal printer. This microcontroller-based prototype of a motor vehicle dimension measurement tool can measure vehicle dimensions more quickly and accurately compared to manual measurements. The use of a support tool is more effective in determining the outermost part of the vehicle compared to the manual method using poles and roll metres, which involves more than three people. The Microcontroller-Based Digital Motor Vehicle Dimension Measuring Tool Prototype works according to the Arduino programming that has been previously designed. The results of the comparison test between the measurement results from the prototype tool and the data from BPLJSKB show a significance value (P) of 0.125. With a significance value greater than 0.05, it can be concluded that the measurement results from this tool are not significantly different.
Pengaruh muatan dan kecepatan kendaraan terhadap hasil emisi gas buang Gunawan, G.; Novianto, R.A.; Ayondya, R.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 13, No 2 (2023): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i2.683

Abstract

The government is promoting the enforcement of over-dimensional and over-loading vehicles. Overloaded vehicles usually require a lot of power so it affects the results of exhaust emissions. This study aims to determine the results of emission tests by providing variations in load and speed on gasoline motorized vehicles, namely the Daihatsu Granmax Pick-Up 1.5 produced in 2014. The method used is experimental to determine the effect of independent variables (variations of load and speed) on the dependent variable (emissions exhaust gas). Variations of payload used are 0 kg, 735 kg, and 1200 kg with variations in speed of 0 km/hour, 10 km/hour, 20 km/hour, 30 km/hour, and 40 km/hour. The result of the experiment is that when the vehicle is unladen, with variations in speed, the Carbon monoxide (CO) and Hydro Carbon (HC) levels will be higher with a CO value of 0.83% and HC 121 ppm at a speed of 40 km/hour. When the vehicle is loaded according to GVW and given a variety of speeds, CO and HC levels increase with a CO value of 1.43% and HC 362 ppm at a speed of 40 km/hour. Meanwhile, if the vehicle is given a variation of speed with overload, the CO value rises to 3.30% and HC becomes 516 ppm at a top speed of 40 km/hour. So it can be concluded that the load variable and speed variations affect exhaust emissions and the largest exhaust emissions occur in overloaded vehicles.
Improving parking attendants' competency to develop professional staff in the parking sector Arief Novianto; Ahmad Basuki; Agus Siswono
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol. 9 No. 1 (2024): February 2024
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v9i1.12317

Abstract

The increasing number of vehicles every year requires parking attendants who are professional and competent in managing the entry and exit of vehicles in the parking lot so as not to impede traffic. Aside from having enough parking space, a dependable parking attendant is also required to handle parking effectively. The biggest issue with this community service is a lack of awareness about parking arrangements and safe parking. This Community Service was held in collaboration with the Tulungagung Regency Transportation Service. The purpose of this activity is to develop competent professional staff in the parking sector by increasing knowledge, understanding, and abilities. The methods used in this activity are lectures, presentations, interactive questions, and answers, providing case examples and practice. From the results of the training carried out, there was an increase in the value of parking attendants' knowledge about safe parking by 31.41%. This shows that the material provided during the training can be accepted and applied well by the participants. It is envisaged that this activity will be carried out on a regular and continuous basis, allowing Tulungagung Regency parking attendants to keep their competence.
Studi Perbandingan Emisi dan Kinerja Motor Bensin dengan Bahan Bakar Campuran Etanol Pratama, Mahardhika Putra; Novianto, Arief
Jurnal Teknik Mesin Vol 18 No 1 (2025): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.18.1.1820

Abstract

The rapid development of transportation can have an impact on the surrounding environment such as congestion, air pollution, noise pollution, accidents, delays, and increased fuel consumption. Alternative fuels are very necessary and needed to minimize the dangers of the impact of increased motorized vehicles, especially air pollution and increased fuel consumption. Ethanol is one of the alternative fuel sources to replace or as a fuel mixture that is classified as biofuel. The purpose of this study is to determine the impact of ethanol-blend use on exhaust emissions and engine performance in gasoline motorcycles. The ethanol-blend variations used as fuel start from pure pertalite (PE0), pertalite + 5% ethanol (PE5), pertalite + 10% ethanol (PE10), pertalite + 15% ethanol (PE15), and pertalite + 20% ethanol (PE20). The results of this study show that the use of ethanol-blend has an impact on engine performance and exhaust emissions of gasoline motorcycles. PE5 fuel is the best fuel variation with CO exhaust emissions of 0.13% and HC of 26.7 ppm at 4000 rpm engine speed. Meanwhile, the highest torque engine performance was achieved with PE5 fuel with a torque of 114.9 Nm, and the engine power reached 71.6 HP with PE20 fuel. Compared to the use of pure pertalite fuel of 113.6 Nm at 2500 rpm engine speed and 69.0 HP at 5000 rpm engine speed, respectively.
Co-Authors A. Siswono Achmaditiya, Galuh Agus Siswono Ahmad Basuki Ayondya, R. Bambang Istiyanto El Tosi, Vinno Eska Fahmadi, Aat G. Gunawan, G. Pratama, Mahardhika Putra Rifky Ismail Saputra, Bagus Ari Turasno, Buang