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All Journal JOURNAL OF SCIENCE AND APPLIED ENGINEERING Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS International Journal of Industrial Innovation and Mechanical Engineering Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer International Journal of Mechanical, Industrial and Control Systems Engineering
Yuniarto Agus Winoko
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Aerospace Engineering Astronomy Computer Science & IT Electrical & Electronics Engineering Engineering Environmental Science Social Sciences Other

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Effect of Seat Vibration on the Driver at High Speed Simulation Based on Unreal Engine 4 Mohammad Ghiffari Abdullah; Yuniarto Agus Winoko
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 5, No 1 (2022): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v5i1.2566

Abstract

Driving at high speed is one of the highest causes of accidents. The higher the speed of the vehicle, the narrower the driver's reaction time. In addition, not concentrating while driving is also the biggest contributor to accidents. For this reason, tools are needed to overcome these 2 things. Vibration is used in electronic devices. to give notifications to users such as cellphones and joysticks for that vibration can be used to alert the driver when the vehicle reaches high speed.Because the test carried out is related to high-speed vehicles, the test using simulation is carried out using an unreal engine 4, an unreal engine is used because it has many assets that can be directly used. This study aims to see the effect of vibration on concentration and concentration. driver reaction. The test was carried out by making scenario scenarios to test the participants' reactions and concentration. The scenario was divided into 3 types of light obstacles, heavy obstacles and sudden brakes, the test was carried out 2 times using a vibrating motor and when using a vibrating motor. This test is carried out to test the test taker's reflexes The purpose of this study was to analyze the effect of vibration on the vehicle seat on the concentration of the driver. Therefore, the test participants used were aged around 21-24 years to balance the participants. The results showed that participants who used a vibrating chair were more concentrated than those who did not use a vibrating chair. 
Pengaruh Bioetanol Kulit Nanas Pada Bahan Bakar Oktan 92 dan Putaran Mesin Terhadap Kinerja Mesin Bensin 125cc Yuniarto Agus Winoko; Ageng Ryan Firmansyah
Jurnal Aplikasi Dan Inovasi Ipteks "SOLIDITAS" Vol 6, No 1 (2023): Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS
Publisher : Badan Penerbitan Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/js.v6i1.4424

Abstract

Bioetanol adalah bahan bakar alternatif yang diolah dari tumbuhan. Bioetanol memiliki angka oktan (RON/Research octane number) senilai 108. Karena bioetanol memiliki nilai oktan yang cukup tinggi maka perlu dilakukan penelitian campuran bioetanol dan bahan bakar agar memperoleh nilai oktan yang tepat pada kendaraan. Tujuan dari penelitian ini adalah Untuk menganalisis pengaruh persentase bioetanol dan variasi putaran mesin pada bahan bakar terhadap performa engine (daya, torsi, dan bmep).Metode penelitian ini dilakukan dengan metode eksperimen. Pada penelitian ini data yang diamati adalah daya, torsi, dan bmep pada variasi campuran bioetanol dan putaran mesin. Data hasil penelitian akan diolah menjadi grafik untuk mengetahui pengaruhnya. Kesimpulan dari penelitian ini terdapat pengaruh penambahan bioetanol pada bahan bakar terhadap performa engine, daya tertinggi 8,79 Hp pada putaran mesin 7000 rpm, torsi tertinggi 9,08 Nm pada putaran mesin 3000 rpm, nilai bmep tetinggi 899,93 Kpa pada putaran mesin 7000 rpm pada campuran E10.
The Effect Of Use Of Roler Size And CVT Spring Variations On Engine Performance Yuniarto Agus Winoko; Aji Irwanda
International Journal of Industrial Innovation and Mechanical Engineering Vol. 1 No. 3 (2024): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v1i3.33

Abstract

The rollers regulate the pulley diameter based on engine speed, and acceleration can be increased by sliding rollers. This research tested torque and fuel consumption (SFC) between sliding rollers and CVT spring variations. The sliding rollers were tested at 10g, 13g and 16g, while the CVT springs were tested at 800 rpm, 1000 rpm and 1500 rpm. The test method uses full throttle opening, with data analyzed using Excel, ANOVA and Minitab. The independent variables are the sliding roller and CVT spring variations, while the fixed variable is 92 Octane fuel. The results of the research are 10g Roller: Highest torque 8.16 Nm at 6000 rpm, lowest 4.09 Nm at 9000 rpm, highest fuel consumption 0, 1256 kg/HP/hour at 9000 rpm, lowest 0.0807 kg/HP/hour at 6500 rpm. Roller 13g: Highest torque 8.77 Nm at 6500 rpm, lowest 4.52 Nm at 9000 rpm, highest fuel consumption 0.1249 kg/HP/hour at 9000 rpm, lowest 0.0804 kg/HP/hour at 5500 rpm . Roller 16g: Highest torque 8.55 Nm at 7500 rpm, lowest 5.40 Nm at 5000 rpm, highest fuel consumption 0.1225 kg/HP/hour at 9000 rpm, lowest 0.0807 kg/HP/hour at 6500 rpm .  
The Influence Of The Number Of Spark Plug Ground Electrodes And Octane Value On Single Cylinder Engine Performance Jefri Haris Sudarmanto; Yuniarto Agus Winoko
International Journal of Mechanical, Industrial and Control Systems Engineering Vol. 1 No. 3 (2024): September : International Journal of Mechanical, Industrial and Control Systems
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmicse.v1i3.34

Abstract

Multi-electrode spark plugs are a type of spark plug that has two or more ground points on the electrodes which function to produce sparks for the combustion process in gasoline engines. The aim is to find out how much the biggest change in power, the biggest torque is and how big the change in minimum specific fuel consumption is when using multi-ground spark plugs and varying the octane value of the fuel. The engine performance testing method uses full valve opening to obtain data. Next, the data is presented in the form of a graphic table and analyzed using Microsoft Excel and Minitab. The independent variables are the number of spark plug electrode legs and the octane value of the fuel. The dependent variable is the power produced and minimum specific fuel consumption when using RON 90, 92 and 98 fuel. The engine speed control variable is 55000 to 9000. Power test results using X-Line spark plugs with RON 92 fuel produce the highest power among spark plugs . other. The highest power is 6.92 hp at 7000 rpm. Torque test results using RON 98 fuel show that the X-Line spark plug produces the highest torque among other spark plugs. The highest torque is 8.21 Nm at 5,500 rpm. The results of the specific fuel consumption test using RON 92 fuel, 3 foot ground spark plugs, produced the highest specific fuel consumption among other spark plugs . The lowest specific fuel consumption is 0.1308 kg/hPxhour at 9000 rpm.
Pengaruh Jenis Roller dan Variasi Sudut Pulley terhadap Performa Motor Matic Achmad Nur Fauzi; Santoso Santoso; Bagus Wahyudi; Yuniarto Agus Winoko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 4 (2025): Agustus : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i4.958

Abstract

Automatic motorcycles are widely used due to their practicality and ease of operation. 
Pengaruh Penggunaan Jet Ranger dan Kuantitas Udara Masuk terhadap Daya Sepeda Motor 150cc Rangga Retiadji Prasetyawan; Khambali Khambali; Yuniarto Agus Winoko; Bagus Wahyudi
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 4 (2025): Agustus : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i4.986

Abstract

Motorcycle engine performance is highly dependent on the air intake system, which plays a crucial role in the combustion process. One common method for improving engine performance is modifying the intake system, either by installing additional devices or adjusting the quantity of incoming air. One innovation that is starting to be widely used is the Jet Ranger, an additional device on the intake duct that is claimed to be able to increase air flow into the combustion chamber. This study aims to determine the effect of the use of Jet Ranger and variations in the quantity of incoming air on the maximum power of a 150 cc motorcycle engine, as well as to analyze the interaction between the two variables. The study was conducted using an experimental method with a two-way factorial approach. The independent variables in this study consisted of two factors, namely the use of Jet Ranger (without Jet Ranger and with Jet Ranger) and variations in the quantity of incoming air divided into four levels (0.008; 0.012; 0.016; and 0.020 kg/s). Maximum power testing was conducted using a Leads dynotest, while the mass of incoming air was calculated based on air velocity measured using a digital anemometer. The test data were statistically analyzed using a two-way ANOVA to identify the effect of each factor and the interaction between them on engine power. The results of the study indicate that the use of Jet Ranger significantly increases engine power. Variations in the quantity of intake air also significantly affect the power generated. In addition, the interaction between the use of Jet Ranger and the quantity of intake air is proven to have a significant impact on increasing the maximum engine power. These results are in line with the theory of intake systems which states that increasing optimal air flow can increase the volumetric efficiency of the engine, and are supported by findings from previous studies. Therefore, these findings can be used as a reference in the development of air intake systems on motorcycles to achieve more optimal engine performance.
Perbandingan Efisiensi dan Kapasitas Baterai Sepeda Motor Jenis Lithium Iron Phosphate (LifePO4), Lithium-Ion (Li-Ion) , dan Lead Acid Kurniawan Dwi Sa'bani; Khambali Khambali; Yuniarto Agus Winoko; Nike Nur Farida
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 4 (2025): Agustus : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i4.987

Abstract

The development of electric motor vehicles drives the need for efficient, stable, and reliable energy storage systems. This study aims to compare the performance of three types of batteries commonly used in electric motorcycles, namely LiFePO4 (Lithium Iron Phosphate), Li-Ion (Lithium Ion), and Lead Acid (Lead Battery). The parameters tested include energy efficiency, capacity, and performance during the starting process. The test method was carried out for 60 minutes through a charging and discharging process (charge-discharge), using a pzem-015 measuring instrument and a multimeter to monitor the current, voltage, input/output power, and battery capacity. The test results show that the LiFePO4 battery provides the best performance. This battery has the highest efficiency and capacity, reaching 1430 mAh, with a stable average efficiency in the range of 50–60%. In addition, LiFePO4 also produces the highest current and voltage when used for starting, making it very reliable for the initial needs of electric motorcycle operation. Meanwhile, the Li-Ion battery recorded a high initial efficiency of up to 87.27%, but this efficiency decreased and then stabilized at 72%, with a recorded capacity of 1360 mAh. Although its efficiency is quite good, its long-term stability is still below that of LiFePO4. Meanwhile, the Lead Acid battery showed the lowest performance. Its efficiency continued to decline to only 26.3% at the end of the test. Its capacity is 1380 mAh, but the increase is unstable, indicating inconsistencies in power storage and discharge. Based on these results, LiFePO4 batteries are recommended as the main choice for electric motorcycles because they excel in aspects of energy efficiency, performance stability, and long-term durability.
Pengaruh Variasi Sudut Sudu Turbocyclone terhadap Kinerja Mesin Bensin Satu Silinder Mohammad Ega Yusriansyah; Yuniarto Agus Winoko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 5 (2025): Oktober: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i5.1112

Abstract

The purpose of this study is to develop an additional device for vehicles with fuel injection systems to improve fuel consumption efficiency and reduce exhaust emissions, even for older vehicles. The turbocyclone is an auxiliary component installed in the air intake duct before the throttle body to create a swirling airflow entering the combustion chamber. Testing was conducted at engine speeds ranging from 1500 rpm to 6500 rpm, with increments of 1000 rpm. This research aims to minimize fuel consumption and exhaust gas emissions. The experimental method was used, testing exhaust gas contents such as HC, CO, CO₂, and O₂ using a gas analyzer, and measuring fuel consumption based on fuel volume and time. Data processing employed a factorial DOE (Design of Experiments) to analyze results. The dependent variables were exhaust gas emissions and fuel consumption, while the independent variable was the turbocyclone blade angle variations of 20°, 40°, and 60°. The results show that the best reduction in exhaust emissions (HC, CO, CO₂, and O₂) and fuel efficiency occurred at a 40° blade angle, whereas fuel consumption increased at a 60° blade angle.
Variasi Dimensi Ellipse Silencer terhadap Torsi, Bmep, Kebisingan Mesin Bensin Bima Samudra Nurrohman; Yuniarto Agus Winoko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 5 (2025): Oktober: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i5.1115

Abstract

An exhaust pipe is a tubular device used to channel combustion gases from a vehicle’s engine into the environment. In addition to this primary function, the exhaust also serves to reduce the noise level produced by engine combustion. The component of the exhaust system that significantly affects torque, brake mean effective pressure (BMEP), and noise level is the silencer. This study aims to compare the torque, BMEP, and noise levels produced by variations in the length and construction dimensions of elliptical filter designs in the silencer. The silencers used in this research have lengths of 280 mm, 300 mm, and 260 mm, with short ellipse filter diameters of 25 mm and long ellipse filter diameters of 30 mm, 40 mm, and 50 mm. The research employs an experimental quantitative method, and the data were analyzed using one-way Analysis of Variance (ANOVA). The experiment was conducted in a Mechanical Engineering workshop using a Yamaha R15 V3 155cc injection motorcycle (2021), a Super Dyno 50L dyno test, and a sound level meter, from February to April 2024. The engine speeds tested were 1500, 2500, 3500, 4500, 5500, and 6500 rpm. The results show that the variation of ellipse dimensions 25 mm × 50 mm × 260 mm produced a maximum torque of 12.77 N·m at 4500 rpm, a maximum BMEP of 1021 kPa at 4500 rpm, and a noise level of 80.3 dB. The variation 25 mm × 40 mm × 300 mm produced a maximum torque of 12.88 N·m, a BMEP of 1042 kPa, and a noise level of 75.60 dB, while the variation 25 mm × 30 mm × 280 mm produced a maximum torque of 12.67 N·m, a BMEP of 1013 kPa, and a noise level of 75.63 dB.
Co-Authors Achmad Nur Fauzi Ageng Ryan Firmansyah Aji Irwanda Bagus Wahyudi Bima Samudra Nurrohman Jefri Haris Sudarmanto Khambali Khambali Kurniawan Dwi Sa'bani Mohammad Ega Yusriansyah Mohammad Ghiffari Abdullah Nike Nur Farida Rangga Retiadji Prasetyawan Santoso Santoso