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Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Published by Asosiasi Riset Teknik Elektro Dan Informatika Indonesia
ISSN : 30318750     EISSN : 30318742     DOI : 10.61132
Core Subject : Science,
Computer Science & IT
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer memuat naskah hasil-hasil penelitian di bidang Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 286 Documents
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Sistem Keamanan Loker Berbasis Verifikasi Wajah dan Notifikasi Telegram di Ponpes Baitussyakirin Al Fatkurrozak; Dendy Kurniawan; Iman Saufik Suasana
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1647

Abstract

The security of personal storage in Islamic boarding schools (pesantren) often faces challenges due to the vulnerabilities of conventional locker locking systems, which are prone to lost or duplicated manual keys. This study aims to design and implement a smart locker security system (Smart Lock) utilizing biometric-based face verification technology and automated notifications. The research method applied is Research and Development (R&D) with an iterative Prototyping model, conducted at Pondok Pesantren Ta'limil Qur'an Baitussyakirin, Kendal. The system is built by integrating the ESP32-CAM microcontroller, a servo motor as the locking actuator, and the Telegram API platform for two-way wireless communication. The experimental results indicate that the face verification system achieves a 100% accuracy rate under bright lighting conditions and successfully rejects all unregistered faces. The integration with the Telegram Bot is highly responsive, yielding an average notification latency of under 2 seconds for locker activities. Furthermore, the remote control feature via the /buka command proved to be an effective emergency mitigation function when the camera sensor experienced reading failures under total darkness. Overall, this prototype system is viable and reliable for enhancing real-time locker monitoring and security.
Optimasi Parameter Operasi Mesin Pengering Kain Sistem Putar Berbasis Elemen Pemanas Menggunakan Software Minitab dengan Metode 2k Faktorial Design Rayhan Bramantyo; Ibnu Abdul Rosid; Adinda Sekar Ludwika; Alfauzi Alfauzi
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1752

Abstract

Conventional fabric drying still depends on sunlight, making the process highly affected by weather conditions and resulting in inconsistent drying performance. This study aims to evaluate the effects of heating element temperature, drum rotational speed, and drying time on fabric moisture content and to determine the optimal operating parameters. A rotary fabric dryer equipped with an electric heating element was developed by modifying a 6 kg automatic washing machine. A two-level full factorial design was employed using three factors: heating element temperature (40°C and 50°C), drum rotational speed (280 rpm and 920 rpm), and drying time (10 and 15 minutes). Experimental data were analyzed using Minitab through analysis of variance, Pareto Chart, regression analysis, and Response Optimizer. The results showed that all three factors significantly affected fabric moisture content, with drum rotational speed having the greatest influence. The optimum condition was achieved at 50°C, 920 rpm, and 15 minutes, producing a predicted moisture content of 57.91% with a composite desirability of 0.9297. The developed dryer provides a more controlled drying process and offers improved drying efficiency for fabric applications.
Perancangan Strategi Pemeliharaan Engine C32 Berbasis Fishbone Diagram, FMEA, dan RCM untuk Peningkatan Umur Pakai pada PT XYZ Nurizal Deo Fandi; Agung Widiyanto Fajar S.; Bekti Nugrahadi
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1755

Abstract

The reliability of Caterpillar C32 engines plays a crucial role in maintaining the productivity of heavy equipment operations at PT XYZ. However, 21 out of 105 engines experienced premature failure before reaching the company's targeted service life, resulting in increased downtime and maintenance costs. This study aims to develop a maintenance strategy to improve the reliability and service life of Caterpillar C32 engines. A quantitative descriptive approach was employed using historical failure data collected from January 2023 to July 2025. The analysis consisted of root cause identification using the Fishbone Diagram, risk assessment through Failure Mode and Effects Analysis (FMEA), and maintenance strategy development using Reliability Centered Maintenance II (RCM II). The results showed that approximately 90% of engine failures were caused by engine seizure due to hydraulic lock resulting from cooling system failures. The FMEA identified fan motor damage as the highest-priority failure mode with a Risk Priority Number (RPN) of 576, followed by radiator clogged and aftercooler clogged, each with an RPN of 405. Based on the RCM II analysis, the proposed maintenance strategy consists of condition-based maintenance for components with measurable operating conditions and scheduled replacement for components exhibiting age-related failure patterns. The initial implementation increased engine service life from approximately 22,456–25,894 operating hours to 28,120–29,450 operating hours, bringing it closer to the company's target of 30,000 operating hours.
Modifikasi Limitter Temperatur pada Element Pemanas Mesin Pengering Batik terhadap Efektivitas Pengeringan Yasin Aushaf Aburrahman; Adinda Sekar Ludwika; Ibnu Abdul Rosid; Surotun Nabawiyah
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1756

Abstract

The batik drying process is an important stage that affects product quality, production time, and energy efficiency. Drying using sunlight is still widely applied; however, it has limitations because it depends on weather conditions, resulting in inconsistent drying times. This study aims to analyze the effect of modifying the temperature limiter on the heating element of a batik drying machine on the effectiveness of the drying process. The research method used was a comparative experimental method with temperature variations of 40°C, 50°C, and 60°C. Each treatment was conducted with five repetitions. The observed parameters included drying time, fabric weight before and after drying, and the stability of the drying chamber temperature. The data were analyzed descriptively, and a One-Way ANOVA was planned to determine the effect of temperature variations on drying effectiveness. The results showed that increasing the temperature shortened the drying time. A temperature of 40°C resulted in an average drying time of 2 hours and 37 minutes, 50°C resulted in 1 hour and 32 minutes, while 60°C resulted in 60 minutes. Although 60°C provided the fastest drying time, 50°C resulted in the final fabric weight that was closest to the initial weight and was therefore considered the most optimal operating temperature.
Analisis Proses Diagnosis Kerusakan Clutch Kompresor AC Mobil Nissan X-Trail T30 Menggunakan Scanner Universal Johan Christofer Zega; I Wayan Dikse Pancane
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1766

Abstract

This study analyzed an open-circuit fault in the air-conditioning compressor-clutch circuit of a Nissan X-Trail T30 using a universal OBD-II scanner and a digital multimeter. The vehicle exhibited a non-cooling condition: the blower and A/C indicator operated, but the compressor clutch did not engage. The diagnosis was conducted sequentially from the control request to the actuator response. Scanner data confirmed communication with the engine control module and an accepted A/C request. Electrical measurements confirmed that the 10 A A/C fuse, relay supply, relay contact, and voltage at A/C relay E5 terminal 5 were normal. However, battery voltage was absent at compressor connector E34 terminal 1, and continuity testing between E5 terminal 5 and E34 terminal 1 indicated an open circuit (OL). Direct battery activation produced an engagement click, confirming that the magnetic clutch remained functional. After repair of the cable or connector, continuity and supply voltage at E34 were restored and the clutch operated normally. All measurements relevant to the electrical-diagnosis objective were completed and reported categorically according to Nissan service-manual criteria, covering voltage availability, continuity status, and clutch response. The findings show that scanner information must be combined with voltage, continuity, and direct-actuation tests to localize electrical faults and prevent unnecessary compressor replacement.
Rancang Bangun Alat Bleeding Brake Fluid untuk Mempermudah Proses Pengujian Sistem Rem Mekanik Muhammad Farhan; Adri Pato
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 4 (2026): Agustus : Mars: 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.v4i4.1768

Abstract

The hydraulic braking system is one of the primary safety components in motor vehicles, functioning to reduce speed and stop the vehicle safely. Brake system performance is strongly influenced by the condition of the brake fluid and the absence of trapped air within the hydraulic lines. In most automotive workshops, the brake bleeding process is still performed manually by two operators, resulting in relatively long processing times and inconsistent bleeding quality. This study aims to design and develop a Brake Fluid Bleeding Device to simplify the testing process of mechanical braking systems and improve bleeding efficiency. The research method consisted of design, prototype fabrication, functional testing, and performance evaluation by comparing the conventional manual bleeding method with the developed device. The evaluated parameters included bleeding time, the number of required operators, and the effectiveness of air removal from the hydraulic braking system. The results indicate that the developed device simplifies the bleeding process, allowing it to be operated by a single operator while reducing the processing time compared to the conventional method. Furthermore, the device provides a more stable bleeding process, thereby improving braking system performance. The proposed brake fluid bleeding device has the potential to be implemented in automotive workshops as an alternative maintenance tool to improve work efficiency and service quality.

Page 29 of 29 | Total Record : 286

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