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All Journal Jurnal Pendidikan Teknik Mesin Syntax Literate: Jurnal Ilmiah Indonesia Journal on Education Jurnal Dinamika Manajemen Pendidikan (JDMP) International Journal of Engineering, Science and Information Technology Jurnal Sains dan Teknologi Journal of Economics, Entrepreneurship, Management Business and Accounting Baashima: Jurnal Bisnis Digital, Akuntansi, Kewirausahaan, dan Manajemen Jurnal Pendidikan Teknik Mesin Jurnal Pengabdian Kepada Masyarakat Indonesia MUARA EKONOMI : Jurnal Ilmiah Ilmu Ekonomi, Manajemen & Bisnis Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Musakirawati Musakirawati
Politeknik Sorowako
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Rancang Bangun Purwarupa Mobil Listrik 4 Penumpang 3000 Watt dengan Fokus pada Sistem Penggerak dan Suspensi Abdul Tahir; Jasman Jasman; Musakirawati Musakirawati
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol. 5 No. 3 (2025): November: Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v5i3.6268

Abstract

Penelitian ini berfokus pada pengembangan purwarupa mobil listrik empat penumpang berdaya 3000 Watt untuk aplikasi mobilitas terbatas seperti di lingkungan kampus. Permasalahan utama adalah kurangnya studi komprehensif yang mengintegrasikan perancangan, fabrikasi, dan pengujian sistem penggerak serta suspensi EV menggunakan sumber daya dan material lokal yang terjangkau. Tujuan penelitian adalah merancang, memfabrikasi, dan menguji kinerja prototipe tersebut guna membuktikan kelayakan teknologi dan desainnya. Metode yang diterapkan adalah metodologi rekayasa sistematis, meliputi: analisis kebutuhan, perancangan konseptual dengan evaluasi alternatif berbobot, fabrikasi chassis dan suspensi dari baja hollow galvanis melalui proses pemotongan, pengelasan, dan perakitan, serta integrasi sistem penggerak (motor BLDC 3000W, controller 3 fasa, diferensial). Pengujian kinerja dilakukan secara komprehensif terhadap fungsi kontrol, kemampuan traksi, stabilitas, kenyamanan, dan keamanan struktural. Hasil utama menunjukkan bahwa prototipe berhasil difabrikasi dan beroperasi dengan baik. Sistem penggerak bekerja optimal, sementara struktur chassis dan suspensi terbukti mampu menopang beban hingga 300 kg dengan stabil dan aman, sesuai hasil perhitungan analitis dan uji fisik. Sintesis gagasan utama menegaskan bahwa pendekatan design-for-manufacturing dengan pemanfaatan material lokal merupakan strategi yang efektif. Disimpulkan bahwa mobil listrik berdaya 3000 Watt dapat direalisasikan secara fungsional dengan teknologi sederhana, memberikan kontribusi nyata bagi pengembangan EV aplikatif sekaligus mengisi gap antara desain konseptual dan validasi eksperimental dalam literatur teknik otomotif nasional.
The Mediating Role of Work Motivation in the Relationship between Transformational Leadership, Organizational Culture, and Organizational Communication on Employee Job Satisfaction at CV Raffana Kids Store Abdul Tahir; Iwan Asmadi; Musakirawati; Fitri Rezeki
Baashima : Jurnal Bisnis Digital, Akuntansi, Kewirausahaan, dan Manajemen Vol. 4 No. 2 (2026): Agustus
Publisher : PT. Alahyan Publisher Sukabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61492/baashima.v4i2.568

Abstract

Objective: This study aims to examine the influence of transformational leadership, organizational culture, and organizational communication on employee job satisfaction and to analyze the mediating role of work motivation at Cv Raffana Kids Store, which experienced increased absenteeism and employee turnover throughout 2023. A quantitative descriptive design was employed using a saturated sampling technique involving 76 employees. Data were collected through questionnaires and analyzed using Partial Least Squares with SmartPLS by evaluating the outer model, inner model, and path coefficients. The findings reveal that organizational communication has a positive and significant effect on job satisfaction, while organizational culture and transformational leadership do not show a significant direct effect. Work motivation is also not proven to mediate the relationships between the organizational variables and job satisfaction. The R Square values indicate a strong model capability in explaining the variance of job satisfaction and work motivation. The novelty of this study lies in highlighting the dominant role of organizational communication in improving job satisfaction within a small-scale retail context.
Design and Development of a Mini Excavator as Innovative Learning Media Abdul Tahir; Irdam Irdam; Jasman Jasman; Musakirawati Musakirawati
International Journal of Engineering, Science and Information Technology Vol 6, No 3 (2026)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v6i3.1775

Abstract

The rapid advancement of mechanical and electronic engineering, particularly in heavy equipment and construction automation, requires innovative learning media that effectively bridge theoretical knowledge and practical implementation. Conventional instructional methods often provide limited opportunities for students to develop hands-on experience with complex mechatronic systems. This study presents the design, development, and evaluation of a miniature battery-electric excavator intended as an educational platform for teaching construction robotics, automation, and sustainable engineering principles. The development process followed a structured methodology consisting of conceptual design, mechanical fabrication, electronic integration, simulation, and functional testing. Unlike conventional excavators that rely on hydraulic actuators, the proposed system employs electric motors to drive the boom, arm, and bucket mechanisms, demonstrating an energy-efficient and environmentally friendly alternative. Locomotion is achieved using DC gearbox motors for wheel movement, while an independent DC motor enables 90° rotational motion. The control architecture is based on an Arduino Mega microcontroller integrated with a wireless PS2 joystick, providing intuitive and precise user control. Lightweight aluminum was selected for the backhoe assembly to reduce overall weight, whereas the main chassis was constructed from mild steel to ensure structural strength and operational stability. Experimental evaluation confirmed that the prototype successfully performed essential excavation motions, achieving a maximum horizontal reach of 1,400 mm, a vertical reach of 1,420 mm, an average operating speed of 0.5 m/s, and a maximum speed of 1.0 m/s. With compact dimensions of 800 × 600 × 750 mm, the system is safe, portable, and suitable for laboratory-based education. Furthermore, the platform supports Deep Neural Network (DNN) data generation and reinforcement learning research, providing a cost-effective and safe environment for advancing student competencies in intelligent construction technologies
Co-Authors Abdul Basith Rahman Akib Akib, Akib Fadli Agus Triansyah Ferry Anggriawan Irdam Irdam Iwan Asmadi Jasman Jasman Jasman Jasman Jemmy, Jemmy Made Ayu Anggreni Masetya Mukti Rachmawaty Kadir Rahayu Ahsari Sirama Sirama Tahir, Abdul