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All Journal Jurnal Pendidikan Teknologi dan Kejuruan VANOS Journal of Mechanical Engineering Education JOIV : International Journal on Informatics Visualization QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Ensiklopedia Education Review MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Ideguru: Jurnal Karya Ilmiah Guru Community Empowerment MSI Transaction on Education AEEJ : Journal of Automotive Engineering and Vocational Education Automotive Experiences Jurnal Vokasi Mekanika JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia J-CoSE: Journal of Community Service & Empowerment Journal of Innovative and Creativity
Milana Milana
Departemen Teknik Otomotif, Fakultas Teknik, Universitas Negeri Padang
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Analisis Keselamatan Dan Kesehatan Kerja (K3) Menggunakan Metode Jsa Di Bengkel Toyota Payakumbuh Ardiansyah Ardiansyah; Milana Milana
Journal of Innovative and Creativity Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i1.8124

Abstract

Penelitian ini dilatarbelakangi oleh tingginya risiko kecelakaan kerja di sektor otomotif dan tren peningkatan kasus kecelakaan kerja secara nasional di Indonesia. Tujuan penelitian ini adalah untuk mengidentifikasi potensi risiko pada setiap tahapan kerja mekanik, mengevaluasi tingkat bahaya menggunakan metode Job Safety Analysis (JSA), serta merumuskan upaya pengendalian risiko yang tepat untuk meminimalkan kecelakaan kerja di Bengkel Toyota Intercom Payakumbuh. Metode penelitian yang digunakan adalah deskriptif kualitatif dengan pendekatan Job Safety Analysis (JSA). Subjek penelitian ini adalah mekanik di Bengkel Toyota Intercom Payakumbuh. Teknik pengumpulan data dilakukan melalui observasi langsung terhadap langkah-langkah kerja teknisi, wawancara, dan dokumentasi. Analisis data dilakukan dengan memecah pekerjaan menjadi tahapan-tahapan kecil, mengidentifikasi potensi bahaya pada setiap tahap, dan menentukan skala risiko berdasarkan dampak (consequence) serta kemungkinan terjadinya (likelihood). Hasil penelitian menunjukkan adanya berbagai potensi bahaya mekanis, termal, fisik, dan lingkungan pada aktivitas servis kendaraan. Evaluasi risiko mengidentifikasi tindakan tidak aman (unsafe acts) seperti pengabaian penggunaan kacamata keselamatan dan sarung tangan, serta kondisi tidak aman (unsafe conditions) seperti lantai licin akibat tumpahan pelumas. Berdasarkan analisis JSA, dirumuskan strategi pengendalian risiko yang meliputi pengendalian administratif melalui safety talk berkala, pengawasan ketat terhadap SOP, serta kewajiban penggunaan APD standar seperti wearpack, sepatu keselamatan, sarung tangan, dan kacamata keselamatan secara konsisten.
Penentuan Prioritas Perbaikan Kualitas Pelayanan Body Repair Berbasis SERVQUAL di PT Otobodi Mitra Sumatera Dwiki Anggoro Saputra; Milana Milana; Nuzul Hidayat; Agus Baharudin
JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Vol. 4 No. 2 (2026): JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtpvi.v4i2.397

Abstract

Penelitian ini membahas kualitas pelayanan jasa body repair sebagai faktor penting dalam peningkatan kepuasan konsumen pada PT Otobodi Mitra Sumatera. Metode yang digunakan adalah survei kuantitatif dengan pendekatan SERVQUAL pada lima dimensi, yaitu tangible, reliability, responsiveness, assurance, dan empathy, melalui penyebaran kuesioner kepada 50 responden (purposive sampling). Data dianalisis dengan menghitung rata-rata harapan (E) dan persepsi (P), kemudian nilai gap (P−E) pada tingkat atribut dan dimensi. Hasil menunjukkan bahwa nilai gap dimensi secara umum masih negatif dengan gap terbesar pada tangible (−1,23), diikuti reliability (−1,11) dan responsiveness (−0,97), sementara assurance bernilai −0,35 dan empathy positif 0,10; rata-rata gap per dimensi sebesar −0,712. Temuan ini mengindikasikan bahwa peningkatan kepuasan perlu diprioritaskan pada aspek bukti fisik (tangible), keandalan (reliability), dan daya tanggap (responsiveness), sementara dimensi empati (empathy) dipertahankan karena telah memenuhi atau melampaui harapan pelanggan. This study examines body repair service quality as a key driver of customer satisfaction at PT Otobodi Mitra Sumatera. A quantitative survey was conducted using the SERVQUAL framework across five dimensions—tangible, reliability, responsiveness, assurance, and empathy—by distributing questionnaires to 50 purposively selected customers. The analysis computed mean expectations (E) and perceptions (P) and derived the service quality gap (P−E) at both attribute and dimension levels. The results indicate predominantly negative dimension gaps, with the largest gaps in tangible (−1.23), followed by reliability (−1.11) and responsiveness (−0.97), while assurance shows a smaller negative gap (−0.35) and empathy shows a positive gap (0.10); the average gap across dimensions is −0.712. These findings imply that improvement efforts should prioritize tangible, reliability, and responsiveness, while maintaining strengths in empathy to sustain a positive customer experience.
Regular maintenance training for electronic fuel injection systems at Vocational High School 1 Lembah Melintang Milana, Milana; Hidayat, Nuzul; Setiawan, Muhammad Yasep; Purwanto, Wawan; Arif, Ahmad
Community Empowerment Vol. 7 No. 12 (2022)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.8045

Abstract

Numerous obstacles must be overcome by vocational schools, particularly in the area of developing technical and practical knowledge. The provision of skills improvement and reskilling for teachers and students, especially in the field of Electronic Fuel Injection (EFI) in gasoline-powered vehicles, is the most fundamental issue at SMKN 1 Lembah Melintang that needs special attention, particularly for Automotive Light Vehicle Engineering (TKRO). The program's goal is to increase teachers' and students' proficiency in the use of tools and procedures for regular maintenance of the EFI system in cars. With a portion of 30:70, the participants will receive both theoretical and practical training. The results of the pretest and posttest show that this program has increased the competence and expertise of teachers and students. This is proved by significant growth from the prior competency in the use of tools and circular work steps, with student gains of 24% and teacher gains of 14%.
Pengembangan Video Pembelajaran Pengisian Fluida Pendingin pada Sistem Pengkondisian Udara Mobil Ilham; Andrizal; Milana Milana; Dwi Sudarno Putra
JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Vol. 4 No. 2 (2026): JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtpvi.v4i2.399

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya pemahaman mahasiswa terhadap materi pengisian fluida pendingin pada mata kuliah Teknologi Pengkondisian Udara. Penelitian ini bertujuan mengembangkan video pembelajaran pengisian fluida pendingin pada sistem pengkondisian udara mobil yang valid dan praktis digunakan sebagai media pembelajaran. Metode yang digunakan adalah penelitian dan pengembangan dengan model 4-D yang meliputi tahap define, design, develop, dan disseminate. Instrumen penelitian berupa angket validitas dan praktikalitas yang diberikan kepada dua validator dosen Universitas Negeri Padang, satu dosen pengampu mata kuliah, dan 40 mahasiswa sebagai responden. Video pembelajaran dikembangkan dengan dukungan subtitle dan peningkatan kualitas audio. Hasil penelitian menunjukkan bahwa video memperoleh validitas materi sebesar 80,00% dan validitas media sebesar 81,67%, keduanya pada kategori sangat valid. Hasil uji praktikalitas memperoleh skor 5.321 dari 6.000 dengan persentase 88,68% dan kategori sangat praktis. Temuan ini menunjukkan bahwa video pembelajaran layak digunakan sebagai media pendukung pembelajaran praktik pengisian fluida pendingin pada sistem pengkondisian udara mobil. This study was motivated by students’ limited understanding of refrigerant charging in the Air Conditioning Technology course. It aimed to develop a learning video on refrigerant charging in automotive air conditioning systems that is valid and practical for instructional use. The study employed a Research and Development design using the 4-D model, consisting of the define, design, develop, and disseminate stages. The research instruments included validity and practicality questionnaires administered to two expert validators from Universitas Negeri Padang, one course lecturer, and 40 student respondents. The learning video was developed with subtitles and improved audio quality to support clearer procedural instruction. The results showed that the video achieved a material validity score of 80.00% and a media validity score of 81.67%, both categorized as very valid. The practicality test obtained a score of 5,321 out of 6,000, with a percentage of 88.68%, categorized as very practical. These findings indicate that the developed learning video is feasible as a supporting medium for practical learning of refrigerant charging in automotive air conditioning systems.
Analysis of Musculoskeletal Disorders in Electric Vehicle Prototype Drivers Using the Nordic Body Map Method Reyvanda Ayusran; Wanda Afnison; Irzal Irzal; Milana Milana
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 3 (2025): Jurnal Vokasi Mekanika
Publisher : Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i3.885

Abstract

The dwindling availability of fossil-based energy sources has spurred breakthroughs in the evolution of eco-conscious transportation, one of which is manifested in the Indonesian Electric Car Competition (Kompetisi Mobil Listrik Indonesia – KMLI). In this arena, collegiate teams engineer lightweight, single-occupant electric prototype vehicles emphasizing energy thrift. Nonetheless, spatial constraints and performance optimization frequently take precedence over ergonomic design, heightening the likelihood of musculoskeletal strain. This investigation seeks to examine bodily discomforts related to the musculoskeletal system as encountered by the operator of a prototype electric vehicle, employing the Nordic Body Map (NBM) assessment tool. The inquiry adopted a descriptive format via a focused case analysis involving the primary driver from the Megathrust Eco Team representing Universitas Negeri Padang (UNP) in the 2024 KMLI. Post-operation, the participant filled out the NBM form to denote discomfort regions, referencing a Likert-type scale from 1 (no pain) to 4 (extreme pain). The outcomes identified the cervical region, shoulders, dorsum, and lumbar zone as areas with elevated distress, classified under Pain and Intense Pain levels, thus revealing substantial ergonomic concerns. From these insights, it is inferred that the seating layout and cockpit geometry must be reconsidered and fine-tuned according to the driver’s anthropometric dimensions to alleviate physical complaints and boost vehicular comfort. The study aspires to aid in fostering electric vehicles that are more attuned to human-centered design, balancing well-being and operational safety.
Design and Crash Test on a Two-Passenger City Car Frame using Finite Element Method Randi Purnama Putra; Dori Yuvenda; Wanda Afnison; Remon Lapisa; Milana Milana; Anna Niska Fauza; Dani Harmanto
Automotive Experiences Vol. 7 No. 2 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.11306

Abstract

The chassis is an important part of a car which must have a strong construction to withstand the weight of the vehicle. The purpose of this research is to create a city car's chassis that can hold two passengers and then crash-test the finished product. In this research, a development method was used using SolidWorks software and the student version of ANSYS R2 2023 as software for creating chassis designs and crash test simulations. The study's findings indicate that the car frame's measurements are 2.46 meters in length, 1.33 meters in height, and 1.39 meters in width. The steel of the ASTM A36 type was utilized as the material in the computational study of the frame. The results show that increasing speed causes an increase in deformation, with the peak deformation at a speed of 100 km/h. The maximum deformation occurs at 0.007 seconds with a value of 203.51 mm at the top pillar of the car. The deformation increases from 97.196 mm at 0.0035 s to 161.22 mm at 0.0056 s. However, deformation occurs mainly in the front zone of the car frame and is not significant in the passenger zone.
Aerodynamic Approach to Two-Passenger City Car Design: A Study of Square Back and Compact Shapes Randi Purnama Putra; Dori Yuvenda; Remon Lapisa; Wanda Afnison; Milana Milana; M. Yasep Setiawan; Ahmad Arif; Dani Harmanto
Automotive Experiences Vol. 8 No. 2 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13686

Abstract

The development of lightweight electric cars for urban mobility requires efficient aerodynamic design without sacrificing space efficiency. This study presents a novel method by investigating the combination of a two-seater city car's compact dimensions and square back shape, which has not been extensively researched for low- to medium-velocity vehicles. This study's objective is to assess the design's aerodynamic performance using numerical simulations using the Computational Fluid Dynamics (CFD) approach. The vehicle model is designed with a compact body and square back, which is commonly used in small vehicles with high maneuverability requirements. The simulations are conducted at three different air velocity levels: 10, 20, and 30 m/s. The results of the study showed an increase in the value of the drag coefficient (Cd) along with an increase in flow velocity. At a velocity of 10 m/s, the Cd value was recorded at 0.4536. When the velocity increased to 20 m/s, the drag coefficient increased slightly to 0.4563. Further increases in velocity to 30 m/s resulted in a Cd value of 0.4581. This Cd value shows the consistency of aerodynamic performance with increasing velocity, with fluctuations that remain within the efficiency limits of lightweight vehicles. The pressure distribution contour shows high-pressure accumulation at the front and low pressure at the rear of the vehicle, which generates large turbulent wakes in the rear area and contributes to increased drag. These findings indicate that the square rear body design faces significant aerodynamic challenges. Therefore, design strategies such as adding a rear spoiler, using a rear diffuser, and optimizing the rear body angle are suggested as potential solutions to improve flow efficiency.
Occupational Health and Safety Analysis Using the HIRARC Method at Mitsubishi DIPO Bukittinggi Rival Handika; Milana Milana; Nuzul Hidayat; M. Yasep Setiawan; Reinny Patrisina
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 6 No 1 (2025): Vol 6 No 1 (2025) : AEEJ : Journal of Automotive Engineering and Vocational Educa
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v6i1.271

Abstract

Occupational safety is a critical concern in automotive workshop environments due to the high-risk nature of tasks such as engine repair, welding, and electrical diagnostics. This study investigates automotive workshop risks at the Mitsubishi DIPO Workshop in Bukittinggi by identifying hazards, assessing risk levels, and formulating workplace accident prevention strategies. The HIRARC (Hazard Identification, Risk Assessment, and Risk Control) method was applied to evaluate 28 potential hazards, two of which were classified as extreme risks. Further analysis of these risks was conducted using the Fishbone Diagram to identify root causes across six contributing factors: human, machine, material, method, environment, and management. Based on these findings, targeted risk control measures were developed following the hierarchy of control, including engineering interventions, administrative policies, and personal protective equipment. This research demonstrates how integrated methods such as HIRARC and Fishbone Diagram can support comprehensive occupational safety planning and risk mitigation in automotive workshops.
Self-Efficacy as a Mediator between Practical Skills, Social Environment, and Vocational Students' Industrial Work Practice Readiness Muhammad Zakky Putra; Wagino Wagino; Toto Sugiarto; Milana Milana; Suhendar Suhendar; Edi Setiyo
VANOS Journal of Mechanical Engineering Education Vol 11, No 2 (2026)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v11i2.38946

Abstract

Vocational graduates face a significant employment gap, with an Open Unemployment Rate of 8.63%, indicating a mismatch between graduate competencies and industrial demands. This study examines Self-Efficacy as a mediator between Practical Skills, Social Environmental Factors, Academic Activities, and Industrial Work Practice (Prakerin) readiness among vocational students. Using a quantitative explanatory approach, data were collected from 96 Grade XI Automotive Light Vehicle Engineering students at SMK Negeri 2 Lubuk Basung and analyzed via PLS-SEM with SmartPLS 4. Results revealed that Practical Skills exerted the strongest influence on Self-Efficacy (β=0.407; p
Literasi Keselamatan dan Kesehatan Kerja sebagai Prediktor Kedisiplinan Praktikum Siswa SMK Program Teknik Kendaraan Ringan Diky Hendra Pratama; Milana; Toto Sugiarto; Wagino
JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Vol. 3 No. 4 (2025): JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtpvi.v3i4.222

Abstract

Keselamatan dan kesehatan kerja (K3) merupakan kompetensi kunci pada pembelajaran praktik di sekolah menengah kejuruan, khususnya program Teknik Kendaraan Ringan Otomotif. Penelitian ini bertujuan menganalisis hubungan pengetahuan K3 dengan kedisiplinan praktikum siswa kelas XI TKRO di SMKN 2 Sungai Penuh. Penelitian menggunakan metode deskriptif korelasional dengan pendekatan kuantitatif. Sampel berjumlah 60 siswa yang dipilih secara total sampling. Data pengetahuan K3 dan kedisiplinan praktikum dikumpulkan melalui kuesioner terstandar dan dianalisis menggunakan statistik deskriptif serta regresi linier sederhana berbantuan SPSS. Hasil menunjukkan pengetahuan K3 dan kedisiplinan praktikum berada pada kategori sedang. Terdapat korelasi positif yang signifikan antara pengetahuan K3 dan kedisiplinan praktikum (r = 0,592), dengan koefisien determinasi 35,1%, yang berarti pengetahuan K3 menjelaskan sepertiga variasi kedisiplinan siswa. Temuan ini menegaskan pentingnya penguatan literasi K3 sebagai strategi untuk membangun budaya disiplin dan perilaku kerja aman di SMK. Occupational health and safety (OHS) is a core competence in vocational practical learning, particularly in Automotive Light Vehicle Engineering programs. This study examines the relationship between OHS knowledge and students’ practicum discipline among grade XI TKRO students at SMKN 2 Sungai Penuh. A descriptive-correlational, quantitative design was employed with a total sample of 60 students. Data on OHS knowledge and practicum discipline were collected using validated questionnaires and analysed with descriptive statistics and simple linear regression in SPSS. The results show that both OHS knowledge and practicum discipline are at a moderate level. A significant positive correlation was found between OHS knowledge and practicum discipline (r = 0.592), with a coefficient of determination of 35.1%, indicating that OHS knowledge explains about one-third of the variance in students’ discipline. These findings highlight the need to strengthen OHS literacy to foster a safety culture in vocational schools.
Co-Authors Afriza, Weny Late Agus Baharudin Ahmad Arif Ahmad Arif Aina Fadilla Alexie Herryandie Bronto Adi Andrizal Andrizal Andrizal Anna Niska Fauza Apriansyah Ardiansyah Ardiansyah Ardiansyah, Ari Azani, Magribfa Baehaqi Baharudin, Agus Bakar, Muhammad Jamil Dandi Bakti Dani Harmanto Dani Harmanto Dedi Setiawan Delima Yanti Sari Deni Setiadi, Deni DESTI ARIANI Diky Hendra Pratama Donny Fernandez Dori Yuvenda Dwi Sudarno Putra Dwiki Anggoro Saputra Edi Setiyo Erawati, Susi Eri Wirdianto Erzeddin Alwi Fadhil, Fharizal Fadhli Ranuharja Farid Khairul Firdaus, Pangeran Albari Ramadino Hamid Nasrullah Handika, Rival Harris Fedriansyah Harris Yudha Pratama Hasan Maksum Hendra Dani Hendra Dani Saputra Herlando Ikhwan, Aroma Ilham Irfan Nugraha Putra Mukhti Irma Yulia Basri Irzal Irzal Irzal, Irzal Joni, Rahmi Rahmahwati Juli Sardi Kevin Lisson Putra Khairul, Farid M Giatman M Nasir M Nasir M. Yasep Setiawan M. Yasep Setiawan Martias Martias Martias Martias Meiyola Syaflinda Muhammad Andre Nasrinur Andre Muhammad Farhan Muhammad Farid Reza Frinison Muhammad Hamdil Qashwa Muhammad Zakky Putra Munawir Harahap Muslim Muslim Nanda Farhan Mardhatillah Nanda, Iffarial Nizwardi Jalinus Nuzul Hidayat, Nuzul Oktaviani, Ranti Opi Tananda Patrisina, Reinny Pinto Pratama Afosma Purwanto, Wawan Putra Jasman, Yusril Putra, Dede Prima Putra, Randi Purnama Rahmad Rahmad Rahman, Anatachia Ramadhania, Amdanova Rasyid Ridho Harahap reinny patrisina Remon Lapisa Remon Lapisa Remon Lapisa Reyvanda Ayusran Rifdarmon Rifdarmon, Rifdarmon Rifdarmon, Rifdarmon Rival Handika Salahudin R, Fahrul Siswahyudianto Sugiarto, Toto Suhendar Suhendar Sulaiman, Agung Sulastri, Ayu Sutrio Yatmoko, Bambang Syafmi Arifan Ma'ruf Toto Sugiarto Toto Sugiarto Tyawarman, Zhery WAGINO Wagino Wagino Wagino Wakhinuddin S Wakhinuddin Wakhinuddin, Wakhinuddin Wanda Afnison Wanda Afnison Wirdianto, Eri Zikri Zikri