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All Journal Jurnal Energi Dan Manufaktur Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Rekayasa Mesin Jurnal Pendidikan Teknik Mesin Journal of Educational Science and Technology Media Mesin: Majalah Teknik Mesin Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) PROFIT : Kajian Pendidikan Ekonomi dan Ilmu Ekonomi Jurnal Inovasi dan Pembelajaran Fisika Journal of Mechanical Engineering Science and Technology Indonesian Journal of Educational Research (IJER) Sistem : Jurnal Ilmu-Ilmu Teknik Jurnal Taman Vokasi Turbo : Jurnal Program Studi Teknik Mesin Journal of Environment and Sustainability JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) International Journal for Educational and Vocational Studies Infotekmesin STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Scientific Journal of Mechanical Engineering Kinematika RESEARCH AND DEVELOPMENT JOURNAL OF EDUCATION (RDJE) Jurnal Pendidikan Vokasi Otomotif Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran IJORER : International Journal of Recent Educational Research Automotive Experiences Journal of Mechanical Engineering, Science, and Innovation SAUJANA : Jurnal Perbankan Syariah dan Ekonomi Syariah Jurnal Polimesin Jurnal Rekayasa Mesin Automotive Innovations Journal
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Solar charging controller using DC-DC buck converter with cascaded PI controller for a sustainable renewable energy system Laksmi B., Nur Vidia; Muhammad Syahril Mubarok; Aribowo, Widi; Umaroh, Susi Tri; Ariyanto, Sudirman Rizki; Nurlita, Ita; Rahmadian, Reza
Sustinere: Journal of Environment and Sustainability Vol. 9 No. 1 (2025): pp. 1-127
Publisher : Center for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/sustinere.jes.v9i1.444

Abstract

The renewable energy system (RES) has recently become hot topic due to its unlimited, green energy potential, and the maturity of its technology. A solar charging controller (SCC) is required to regulate parameters for the battery and is an essential component for sustainable and renewable energy usage. An SCC based on a DC-DC Buck converter with cascaded proportional-integral (PI) controller is used in the system for managing the current and voltage loops, thereby preventing battery overcharging. The control parameters are determined using the Ziegler-Nichols method based on the reaction curve. A first -order system is employed due to the open-loop responses show no overshoot and oscillations. MATLAB software is used for both simulation and controller design. Simulations are conducted to validate the proposed SCC with the cascaded controller. Variations in the state of charge (SoC) are presented in two cases: without and with the controller. The SoC is set 20%, 50%, and 95%. A high SoC percentage indicates that the battery is near the full capacity, whereas a low percentage indicates that battery is near empty. Using the cascaded controller, both current and voltage responses at different SoC levels demonstrate satisfactory performance, including rapid transient responses, minimal overshoot, small ripples, and robustness.
Development of Psychomotor Domain Assessment Instrument on Brake System Competence in SMKN 1 Jetis Mojokerto Ariyanto, Sudirman Rizki; Munoto, Munoto; Muhaji, Muhaji
International Journal for Educational and Vocational Studies Vol. 1 No. 6 (2019): October 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i6.1648

Abstract

Many factors influence the low number of skilled vocational high school graduates. One factor that is the leading cause is the lack of instruments that can be used in the learning process, especially authentic instruments, to assess students' abilities in the psychomotor domain. Students who are dominant in the cognitive sphere are not necessarily skilled in the psychomotor realm, especially when using the equipment and making improvements to the brake system. The purpose of this study is to develop an assessment instrument that is appropriate to be used by the teacher in evaluating the psychomotor domain's abilities, specifically for the brake system competency. This research is development research that uses ADDIE models as a reference for research. ADDIE model has five stages of development that need to be considered, including analysis; (2) design; (3) development; (4) implementations; and (5) evaluation. Based on the results of the analysis and discussion of the psychomotor domain assessment instrument for the competency of the brake system that was developed to be suitable for use in the learning process. Feasibility is proven from the results of the validation of experts who get an assessment of 4.66 with a very valid category. The instrument reliability test results that get the Cronbach's alpha value of 0.895, and the value of inter-observer reliability is 0.740. In addition, the instrument is also practical when used in the learning process. This was evidenced by the acquisition of practicality test value of 3.31 and entered in the practical category.
AUTOMOTIVE CIRCUIT SIMULATION: IMPROVING PRIOR KNOWLEDGE ABILITY AND PRACTICAL SKILL ACQUISITION IN THE VEHICLE BODY ELECTRICAL SYSTEM Umaroh, Susi Tri; Ariyanto, Sudirman Rizki; Warju, Warju
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 10, No 3 (2025)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v10i3.8762

Abstract

This research aims to analyze the improvement of cognitive and psy-chomotor abilities by integrating ACS (Automotive Circuit Simulation) in learning about vehicle body electrical systems. This research is quan-titative research with a quasi-experimental design with two groups, namely an experimental group and a control group. The data collected was analyzed using quantitative descriptive. The results of this research indicate that there are differences in prior knowledge and the acquisi-tion of practical skills among students who utilize ACS media as a learning tool for vehicle body electrical systems. Recommendations from this research include further integrating ACS into the curriculum, increasing the availability of digital learning resources, and providing additional training for educators to optimize the potential for inde-pendent and interactive learning for students through simulation. Thus, this article proposes an innovative solution to effectively support the development of students' knowledge and skills in the field of vehicle body electrical systems.
IMPLEMENTATION OF AREFI TO IMPROVE BASIC KNOWLEDGE OF EFI Komarudin, Komarudin; Widiyanti, Widiyanti; Subandi, Mahfudi Sahly; Ratnawati, Dianna; Ariyanto, Sudirman Rizki; Hidayat, Tiwit Nor; Chairuddin, Achmad; Permatahat, Risca Zahra
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 10, No 3 (2025)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v10i3.8559

Abstract

Many students do not demonstrate optimal mastery because EFI mate-rial is considered complex and abstract, while conventional learning using engine stands has limited accessibility outside school hours. This innovation is designed to create an immersive learning experience fo-cused on reinforcing foundational knowledge regarding the identifica-tion of components, functions, and the operational flow of the EFI sys-tem. The study employs a quantitative method with a quasi-experimental design of the Non-equivalent Control Group Design type. The research sample consisted of 80 students in the 11th grade of Light Vehicle Engineering, divided into an experimental group and a control group. Data were collected through pre-tests and post-tests, then ana-lysed using ANOVA with a significance level of α=0.05. The results of the study indicate that the use of AREFI media has a significant posi-tive impact on student learning outcomes. There was an increase in the average score from 44.73 in the pre-test to 70.92 in the post-test. The ANOVA test results showed an F value of 90.217 with a significance level of 0.000 (p < 0.05), proving that the difference in learning out-comes between the two groups was caused by the use of the AREFI media. Therefore, it can be concluded that the AREFI learning media has proven to be effective as an innovative solution for visualizing abstract EFI concepts, enhancing interaction, and facilitating deep un-derstanding among vocational high school students.
Optimizing copper catalytic converter designs for emission reduction in automatic motorcycles using grey relational analysis Sudirman Rizki Ariyanto; Warju Warju; Komarudin Komarudin; Ata Syifa&#039; Nugraha; Susi Tri Umaroh
Jurnal Polimesin Vol 23, No 2 (2025): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i2.6375

Abstract

Vehicle emissions remain a major environmental challenge in urban areas, particularly in developing countries like Indonesia, where motorcycles dominate transportation. Automatic motorcycles pose specific emission control difficulties due to their engine characteristics. This study experimentally evaluates six copper-metallic catalytic converter designs installed on a 150cc automatic motorcycle under idle and 3000 rpm conditions. Exhaust emissions of carbon monoxide (CO) and hydrocarbons (HC) were measured using a gas analyzer. Grey Relational Analysis (GRA) was employed to optimize the design parameters. The E3 design (curvature height: 4 mm, diameter: 54 mm, length: 100 mm) exhibited the best performance, reducing CO to 3.72% and HC to 539 ppm. Compared to standard designs, E3 improved emission reduction by 18–36%. These findings confirm that catalyst geometry significantly influences emission control and demonstrate the effectiveness of GRA in multi-parameter optimization. The results contribute to the development of efficient, affordable catalytic converters, supporting sustainable transportation and aligning with SDG 13 goals for climate action.
Mengoptimalkan Penggunaan Youtube Sebagai Media Pembelajaran Untuk Meningkatkan Prestasi Belajar Siswa SMK Warju, Warju -; Ariyanto, Sudirman Rizki; Umaroh, Susi Tri; Pratama, Muhammad Yandi; Nugraha, Ata Syifa
Jurnal Pendidikan Vokasi Otomotif Vol. 6 No. 2 (2024): (Mei)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpvo.v6i2.73122

Abstract

This research aims to analyze the effectiveness of learning media and mathematical logic intelligence on student learning achievement. This research was a quasi-experimental type with a sample size of 68 students consisting of an experimental class and a control class of 34 students each. The data analysis method uses two-way Anova. The results of this study indicate that there are (1) differences in learning achievement between students who study using YouTube compared to e-books; (2) differences in learning achievement between students with high versus low mathematical logical intelligence; and (3) the interaction between learning media and mathematical logic intelligence on student learning achievement.
Exhaust Emission Control in Sport Motorcycles: A Comparison of Catalytic Converters with Alternative Metal Materials Warju, Warju; Ariyanto, Sudirman Rizki; Pratama, Muhammad Yandi
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4092

Abstract

In this modern era, motor vehicles have brought significant changes in human life. Faster and more efficient mobility has increased connectivity between regions, supported economic growth, and improved quality of life. However, increased mobility also means an increase in vehicle exhaust emissions, which contribute to climate change and air pollution. One effective technology for controlling exhaust emissions is the use of catalytic converters. Metal catalytic converters, such as copper, brass, and chrome-plated copper, have been researched as more affordable and effective catalyst alternatives. This research aims to analyze the optimal design of exhaust systems with catalytic converters among three types of alternative materials (copper, brass, and chrome-plated copper) as well as standard exhaust systems without catalysts (STD NC) and standard platinum group metal exhaust systems (STD PGM) in maximizing the reduction of motor vehicle exhaust emissions. An experimental research design was used by utilizing a 2015 Yamaha Vixion Lightning as the research object. Catalytic converters were prepared with specific specifications to ensure consistency and accuracy in measurements. CO (carbon monoxide), HC (hydrocarbons), CO2 (carbon dioxide), and O2 (oxygen) emissions were analyzed using an Exhaust Gas Analyzer. The research results indicate that the CuCr sample exhibits excellent performance in reducing CO and HC emissions. The CuCr sample has an average CO emission of 4.09% Vol with a standard deviation of 1.46, demonstrating good consistency in CO emissions. Meanwhile, the average HC emissions from the CuCr sample are 320 ppmVol with a standard deviation of 106, indicating good consistency in HC emissions. All samples meet the emission standards set by the government, except for the STD NC sample, which exceeds the CO emission threshold.
MODEL PREDIKSI TEMPERATUR PAHAT PADA PROSES BUBUT MELALUI ANOVA DAN REGRESI Arifianti, Lailatus Sa'diyah Yuniar; Ariyanto, Sudirman Rizki; Umaroh, Susi Tri; Abdi, Ferly Isnomo; J, Mohammad R.
SISTEM Jurnal Ilmu Ilmu Teknik Vol 21 No 2 (2025): In-Press
Publisher : Fakultas Teknik Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/sistem.v21i2.308

Abstract

Pada proses pembubutan, temperatur tinggi sering terjadi akibat gesekan antara pahat dan benda kerja, yang berdampak pada peningkatan keausan pahat dan penurunan kualitas hasil pemesinan. Penelitian ini bertujuan untuk menganalisis pengaruh parameter proses, yaitu kecepatan putar (spindle speed), kecepatan makan (feed rate), dan kedalaman potong (depth of cut), terhadap temperatur pahat menggunakan metode analisis variansi (ANOVA) dan regresi linier berganda. Percobaan dilakukan sebanyak 16 kali berdasarkan rancangan faktorial penuh 2³ dengan dua replikasi. Hasil analisis menunjukkan bahwa feed rate dan depth of cut berpengaruh signifikan terhadap temperatur pahat, sedangkan spindle speed tidak memberikan pengaruh yang signifikan secara individual. Namun, interaksi antara faktor-faktor tersebut terbukti memberikan pengaruh yang signifikan terhadap temperatur. Model regresi linier berganda yang dikembangkan memiliki nilai koefisien determinasi (R²) sebesar 93,99%, yang menunjukkan kecukupan model untuk prediksi. Temuan ini memberikan kontribusi dalam pengendalian parameter proses untuk meminimalkan temperatur pahat, memperpanjang umur pahat, serta meningkatkan efisiensi dan kualitas dalam proses pembubutan.
Analisis Kondisi dan Performa Sistem Rem Hidrolis pada Sepeda Motor Yamaha Freego: Studi Kasus Perawatan dan Diagnosa Komponen Manathan, Yoel; Shafa, Farzana; Prataman, Aldhio; Ariyanto, Sudirman Rizki
Automotive Innovations Journal Vol. 1 No. 2 (2025): September
Publisher : Department of Automotive Engineering Technolgy

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sistem rem hidrolik merupakan komponen kritis yang menentukan keselamatan berkendara. Penelitian ini bertujuan untuk menganalisis kondisi aktual sistem rem hidrolik pada Sepeda Motor Yamaha Freego 2022 melalui evaluasi komprehensif terhadap tingkat keausan kampas rem, kondisi visual cakram, dan kualitas cairan rem. Metode penelitian menggunakan pendekatan case study dengan prosedur pembongkaran, inspeksi, pengukuran ketebalan kampas rem menggunakan jangka sorong digital, serta analisis visual komponen. Hasil penelitian menunjukkan bahwa ketebalan kampas rem telah mencapai 0,33–0,34 mm, jauh di bawah batas minimum 2 mm yang disyaratkan pabrikan. Kondisi ini disertai dengan adanya alur halus dan permukaan mengilap pada cakram, serta perubahan warna cairan rem menjadi coklat keruh akibat kontaminasi moisture. Temuan mengindikasikan degradasi performa sistem yang signifikan, termasuk risiko brake fade, kerusakan sekunder pada cakram, dan gejala spongy brake akibat vapor lock. Penelitian ini menyimpulkan urgensi perawatan segera berupa penggantian kampas rem, evaluasi cakram, dan penggantian cairan rem. Studi ini juga menekankan pentingnya pendekatan preventive maintenance berbasis data untuk memastikan keandalan dan keselamatan sistem rem hidrolik pada kendaraan roda dua.
Co-Authors AA Sudharmawan, AA Abebayehu Yohannes Aishwanda Azizah Resanti Anggara Sukma Ardiyanta Anwari, Muhammad Syahrul Arifianti, Lailatus Sa'diyah Yuniar Ata Syifa’ Nugraha Bagas Surya Hadi Bagas Surya Hadi Bagas Surya Hadi Bagas Surya Hadi Cahyadi, Wahyu Robby Cahyo Bagus Setiawan, Heri Chairuddin, Achmad Chalvin Athaariq Ramadhana Devi Vitriana Purwanto Dianna Ratnawati Ema Mahayati Erwin Komara Mindarta Fahrur Rozi Ferly Isnomo Abdi Frans Ahkilal Firmansyah Hanif Gunawan Wibisono Hapsari Assasanaim Haratama, Kusuma Refa Hasanah, Savira Uswatun Heri Cahyo Bagus Setiawan Hidayat, Tiwit Nor Hidayatullah, Rachmad Syarifudin Husni Mubarok I Made Arsana Ikke Wulan Puji Lestari Imam Muda Nauri Irra Chrisyanti Dewi Iskandar, Zaldy J, Mohammad R. Khasby Khoirul Atok Komarudin Komarudin Komarudin Komarudin Latifahtur Rahmah Lestari, Ikke Wulan Puji Lukita Wardani, Ayusta Manathan, Yoel Mardji Mardji Mega Cantika Deva Ningrum Mohammad Muthohirul Azis Muayat Khoirun Nafis Muhaji Muhaji Muhaji Muhaji Muhaji Muhammad Annasrulloh Muhammad Fahrul Ilham Muhammad Nurtanto Muhammad Syahril Mubarok Muhammad Yandi Pratama Muhammad Yandi Pratama Muhammad Yandi Pratama Muhammad Yandi Pratama Muhammad Yandi Pratama Munoto Munoto Munoto Munoto Nugraha, Ata Syifa Nugraha, Ata Syifa' Nur Vidia Laksmi B Nurlita, Ita Olivia Febrianti Pangestu, Muhammad Tegar Jaya Permatahat, Risca Zahra Pramuko Ilmu Purboputro Pratama, Muhammad Yandi Prataman, Aldhio Prihanto Trihutomo Purwanto, Devi Vitriana Putra, Rico Andhika Rachmad Syarifuddin Hidayatullah Rachmad Syarifudin Hidayatullah Rachmad Syarifudin Hidayatullah Rahmadian, Reza rahmah, latifahtur Retno Wulandari Rio Adi Trisna Savira Uswatun Hasanah Shafa, Farzana SOERYANTO Soeryanto Soeryanto Soeryanto Soeryanto Soeryanto Soeryanto Subandi, Mahfudi Sahly Suprayitno Suprayitno Suprayitno Suprayitno Susi Tri Umaroh TRI UMAROH, SUSI Trisna, Rio Adi Umaroh, Susi Tri Wafiq Azizah Ramadhani Wahyu Robby Cahyadi Wahyu Robby Cahyadi Wahyu Robby Cahyadi WARJU Warju, Warju - Widi Aribowo Widiyanti Widiyanti, Widiyanti Yelma Dianastiti Zaldy Iskandar