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All Journal MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Vokasi Mekanika
Khairul, Farid
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Keluhan Muskuloskeletal pada Pengemudi Mobil Prototype Menggunakan Metode Nordic Body Map Khairul, Farid; Afnison, Wanda; Irzal, Irzal; Milana, Milana
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 2 (2025): Jurnal Vokasi Mekanika
Publisher : Departemen Teknik Mesin Fakultas Teknik Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i2.862

Abstract

The depletion of fossil energy reserves, especially oil and natural gas, has driven innovations in energy-efficient vehicles, including through the Energy-Efficient Car Contest (KMHE). In developing prototype cars for this competition, driver ergonomics is often overlooked. This study aims to analyze musculoskeletal complaints experienced by prototype car drivers from the Faculty of Engineering at UNP. The main instrument used was the Nordic Body Map (NBM) questionnaire, administered to three drivers after they performed a 20-minute static driving simulation. The collected data were analyzed and categorized based on complaint levels. The results showed that the most frequent complaints occurred in the lower back (score 12), followed by the lower neck, buttocks, and hips (score 11). The average overall score was 71.67, indicating a high-risk category. The highest individual score was 89 (Driver 3), and the lowest was 62 (Driver 1). These complaints were caused by the absence of an ergonomic driver seat in the prototype car. The study concluded that the current cockpit design is not ergonomically adequate, posing a risk of injury. Therefore, it is recommended that the design team immediately create a more upright driver seat with thigh support to enhance comfort and reduce musculoskeletal complaints.
Ergonomic Assessment of Driver Posture in Prototype Vehicles for Kontes Mobil Hemat Energi (KMHE) Using CATIA Afnison, Wanda; Khairul, Farid; Irzal, Irzal; Milana, Milana
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 7 No 2 (2025): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v7i2.442

Abstract

The ergonomic design of the cockpit is crucial for improving driver comfort and safety, particularly in prototype vehicles for energy efficiency competitions. This study evaluates the driver’s body posture using the Rapid Upper Limb Assessment (RULA) technique to propose design improvements that support better posture and reduce physical strain. The research methodology includes analyzing musculoskeletal risk levels through RULA, supported by the Human Activity Analysis tool in CATIA. The evaluation was conducted on the FT UNP prototype car in the Kontes Mobil Hemat Energi (KMHE), revealing a RULA score of 6, indicating a high risk of musculoskeletal issues. The findings suggest the need for redesigning the cockpit to enhance posture, including adjustments to the seat tilt, steering wheel position, and pedals. These ergonomic improvements are expected to reduce driver fatigue, enhance performance, and minimize injury risks.
Co-Authors Irzal, Irzal Milana Milana Wanda Afnison