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ENHANCED PREVENTIVE MAINTENANCE STRATEGY TO OPTIMIZE MAIN ENGINE STARTER SYSTEM PERFORMANCE ON MARINE VESSELS I Made Aditya Nugraha; I Gusti Made Ngurah Desnanjaya; Putu Indra Pramana
Vol 15 No 6 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i6.1995

Abstract

The starter system is a vital component in the main engine starting process on a ship, so its reliability is an important factor in ensuring smooth sailing operations. This study aims to analyze the effectiveness of implementing preventive maintenance in improving the performance of the main engine starter system on a passenger ship. The study was conducted on the XYZ ship using a descriptive method through direct observation and interviews with the engineer officer. Data obtained included the physical condition of the battery, cable path, solenoid, and internal components of the starter dynamo, then analyzed based on performance parameters before and after preventive maintenance. The results showed several major problems, including heavy starter rotation, rapid battery voltage drop, loose cable connections, and damage to the solenoid. After implementing preventive maintenance such as adding battery water, cleaning terminals, tightening cable connections, and internal maintenance of the starter, there was a significant increase in engine starting speed, battery voltage stability, and starter response. The frequency of previously frequent problems also decreased drastically. The conclusion of this study is that preventive maintenance is proven to be effective in improving starter system performance, reducing the risk of starting failure, and supporting the smooth and safe operation of the ship as a whole. Implementation of scheduled preventive maintenance is recommended to ensure long-term reliability of the starter system.
TOWARDS SUSTAINABLE FISHING: ENERGY CONVERSION EFFICIENCY OF BALI’S FISHING BOATS I Made Aditya Nugraha; I Gusti Made Ngurah Desnanjaya
Vol 15 No 6 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i6.2038

Abstract

Energy efficiency in small-scale fishing boats has become a critical issue due to their high dependence on fossil fuels, rising operational costs, and environmental impacts. Fishing boats less than 5 GT generally operate with fluctuating engine loads, potentially reducing energy conversion performance. This study aims to analyze the energy conversion efficiency of fishing boats operating in Bali Province. The research method uses a descriptive-quantitative approach through field studies. Primary data were obtained from measurements of fuel consumption, engine power and speed, electrical load, and operating duration at each stage of the boat's activities, while secondary data came from technical documents and operational logbooks. Efficiency analysis was conducted by comparing the input energy from diesel fuel and the output energy in the form of mechanical and electrical energy. The results show that energy consumption is dominated by the propulsion system, especially during the cruising phase. The total energy conversion efficiency is still relatively low, ranging from 22%–30%, and decreases during the maneuvering and fishing phases due to partial engine loads. These findings suggest that improvements in operational efficiency and engine maintenance are needed to reduce fuel consumption, reduce operational costs, and support the aspirations of small-scale fishing.
Evaluation of the Application of Cold Storage in the Cold Chain System in the Canning Process of Lemuru Fish (Sardinella longiceps) in Bali I Made Aditya Nugraha; Anis Khairunnisa; Mahaldika Cesrany; I Gusti Made Ngurah Desnanjaya
Juvenil Vol 7, No 3: Agustus (2026)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v7i3.29960

Abstract

Cold storage merupakan komponen utama dalam sistem cold chain yang berfungsi mempertahankan mutu dan keamanan bahan baku selama proses pengolahan ikan. Penelitian ini bertujuan mengevaluasi penerapan cold storage dalam sistem cold chain pada proses pengalengan ikan lemuru (Sardinella longiceps) di Bali melalui analisis titik pengendalian suhu (temperature control points), pemanfaatan fasilitas penyimpanan dingin, serta kendala implementasinya. Penelitian menggunakan metode deskriptif dengan pendekatan kuantitatif dan kualitatif melalui observasi langsung terhadap proses produksi, pengukuran suhu pada setiap tahapan pengolahan, wawancara dengan personel perusahaan, serta evaluasi fasilitas cold storage. Hasil penelitian menunjukkan bahwa sistem cold chain diterapkan sejak penerimaan bahan baku hingga tahap pre-cooking, dengan suhu bahan baku pada proses penerimaan, pemotongan, pencucian, dan pengisian kaleng berada pada kisaran 3,26–3,55°C sehingga memenuhi batas pengendalian suhu perusahaan (5°C). Fasilitas chiller, freezer, blast freezer, cold room, dan sistem pemantauan suhu berperan dalam menjaga stabilitas suhu bahan baku selama penyimpanan dan penanganan sebelum proses pengolahan termal. Tahapan pre-cooking, pengisian saus, sterilisasi, dan pendinginan berlangsung sesuai parameter operasional yang ditetapkan sehingga mendukung keberlangsungan sistem cold chain. Penelitian juga mengidentifikasi beberapa aspek yang masih memerlukan perhatian, meliputi konsumsi energi sistem refrigerasi, pemeliharaan fasilitas pendingin, pengelolaan persediaan bahan baku, dan pengendalian suhu selama distribusi. Secara keseluruhan, penerapan cold storage berperan penting dalam menjaga kontinuitas cold chain melalui pengendalian suhu yang konsisten pada setiap tahapan proses pengalengan, sehingga mendukung mutu bahan baku dan keamanan produk.
PENINGKATAN KUALITAS DAN EKONOMI NELAYAN MELALUI PELATIHAN PENGGUNAAN ALAT PENGERING IKAN (DRYFITECH) MENGGUNAKAN TEKNOLOGI IOT I Gusti Made Ngurah Desnanjaya; I Komang Arya Ganda Wiguna; I Dewa Putu Gede Wiyata Putra; I Made Aditya Nugraha
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 5 (2024): Oktober
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i5.26445

Abstract

Abstrak: Desa Sukadana, Kecamatan Kubu, Kabupaten Karangasem, Bali, adalah komunitas nelayan yang sangat bergantung pada hasil tangkapan laut. Namun, metode pengeringan ikan yang tradisional menghadapi berbagai tantangan, termasuk penurunan kualitas produk dan kerugian ekonomi. Untuk mengatasi masalah ini, program pelatihan penggunaan alat pengering ikan berbasis IoT, yang dikenal sebagai DryFiTech, telah diimplementasikan. Alat ini dirancang untuk meningkatkan efisiensi dan kebersihan proses pengeringan ikan dengan memanfaatkan tenaga surya dan sistem pemantauan berbasis cloud. Pelatihan ini bertujuan untuk membekali 38 nelayan atau mitra di Desa Sukadana, dengan keterampilan operasional dan pemeliharaan alat DryFiTech. Evaluasi dilakukan melalui observasi langsung dan wawancara untuk menilai keterampilan dan tingkat kepercayaan diri peserta. Hasilnya menunjukkan bahwa 80% peserta merasa percaya diri dalam menggunakan alat, 75% mampu mengatur suhu dan kelembapan, serta 70% dapat menjelaskan fungsi komponen alat. Program ini menunjukkan peningkatan keterampilan mitra secara keseluruhan, yang diharapkan dapat meningkatkan kesejahteraan nelayan, mendukung perekonomian lokal, dan memberikan dampak positif yang berkelanjutan terhadap lingkungan pesisir.Abstract: Sukadana Village, Kubu Sub-district, Karangasem Regency, Bali, is a fishing community that relies heavily on marine catches. However, traditional fish drying methods face various challenges, including reduced product quality and economic losses. To address these issues, a training program on the use of an IoT-based fish dryer, known as DryFiTech, was implemented. The device is designed to improve the efficiency and hygiene of the fish drying process by utilizing solar power and a cloud-based monitoring system. The training aims to equip 38 fishermen or partners in Sukadana Village, with the operational and maintenance skills of the DryFiTech device. Evaluation was conducted through direct observation and interviews to assess participants' skills and confidence levels. The results showed that 80% of participants felt confident in using the equipment, 75% were able to regulate temperature and humidity, and 70% could explain the function of the equipment components. The program showed an overall improvement in partners' skills, which is expected to improve fishermen's welfare, support the local economy, and have a sustainable positive impact on the coastal environment.
OPTIMIZATION OF OCCUPATIONAL HEALTH AND SAFETY IMPLEMENTATION IN THE LEMURU FISH PROCESSING PROCESS IN THE MODERN INDUSTRY OF JEMBRANA BALI I Made Aditya Nugraha; I Gusti Ayu Budiadnyani; Siluh Putu Sri Dia Utari; Ika Astiana; Iftachul Farida; Mahaldika Cesrany; Anis Khairunnisa; I Nyoman Juniarta; I Gusti Made Ngurah Desnanjaya
Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.1436

Abstract

The fisheries industry, especially in the processing of lemuru fish, has various work risks that can affect the safety and health of workers. These risks include the use of sharp tools, exposure to chemicals, slippery work environments, and the potential for injury due to intensive production processes. Therefore, the implementation of Occupational Health and Safety (OHS) is a crucial aspect in ensuring a safe, efficient, and productive work environment. However, in practice, there are still various obstacles in the implementation of OHS, such as lack of worker awareness, limited safety facilities, and a less-than-optimal supervision system. This study aims to analyze the implementation of OHS in the processing of lemuru fish at XYZ Company, Jembrana, and to identify obstacles and optimize strategies. The research method used is descriptive qualitative with observation techniques, interviews, and SWOT analysis of OHS policies. The results of the study indicate that the implementation of K3 has been running well through the use of personal protective equipment (PPE), compliance with work procedures, and the implementation of safety standards. To be able to optimize this activity, it can be done through increased training, routine supervision, and the use of IoT-based technology for monitoring the work environment. Computer-based OHS management systems, Virtual Reality (VR) technology for simulation, and automation of high-risk processes with robotics can also be applied to reduce work accidents. Data analysis with machine learning also helps in risk prediction. These implementation strategies can improve work safety, create a safer and more comfortable work environment, and increase the competitiveness of the industry in the global market.
ENHANCING OCCUPATIONAL HEALTH AND SAFETY PRACTICES IN THE MODERN LEMURU FISH PROCESSING INDUSTRY: AN EVALUATION OF THE QUALITY CONTROL UNIT I Made Aditya Nugraha; I Gusti Ayu Budiadnyani; Siluh Putu Sri Dia Utari; Ika Astiana; Iftachul Farida; I Nyoman Juniarta; I Gusti Made Ngurah Desnanjaya
Vol 15 No 3 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i3.1509

Abstract

Optimal implementation of Occupational Health and Safety (OHS) is important to create a safe, efficient, and productive work environment. This study examines the implementation of OHS in the modern lemuru fish processing industry. Various integrated strategies are implemented to minimize accident risks, increase productivity, and maintain product quality. Advanced technology approaches such as Internet of Things (IoT)-based monitoring systems, computer-based OHS management systems, and Virtual Reality (VR) technology for training are used. Automation of risky processes with robotics and automatic control technology reduces human involvement in hazardous activities. Data analytics based on machine learning and big data help predict and prevent potential accidents. The results of the study indicate that the integration of appropriate OHS technology and policies improves worker safety, strengthens industry competitiveness, and contributes significantly to long-term success in the modern lemuru fish processing industry.
Kajian Jejak Karbon Pada Sistem Energi Berbasis Batu Bara Dalam Industri Pengolahan Hasil Perikanan di Bali I Made Aditya Nugraha; I Gusti Made Ngurah Desnanjaya; Resti Nurmala Dewi; Anis Khairunnisa; I Nyoman Juniarta
Vol 15 No 4 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i4.1695

Abstract

Co-Authors A A Gede Bagus Ariana A A Gede Bagus Ariana Adnyana, Anak Agung Gede Oka Kessawa Agus Mahardiananta, I Made Ahmad Asroni Anak Agung Gde Ekayana Anak Agung Gde Ekayana Andika, I Gede Anis Khairunnisa Anis Khairunnisa Ariana, A.A Gede Bagus Ariana, Anak Agung Gde Bagus Ariana, Anak Agung Gede Bagus Aristamy, I Gusti Ayu Agung Mas Aristana, Made Dona Wahyu Astuti, Komang Sri Ayu Bagus Kusuma Wijaya Bagus Kusuma Wijaya Cesrany, Mahaldika David Maulana Suripati Dewi, Yunita DIAH AYU SATYARI UTAMI Dirgayusari, Ayu Manik Eka Putrawan Febi Luthfiani Febi Luthfiani, Febi Friendzen Lian Wijaya Gunardi Gde Andrayuga Pramaditha Tenaya Grangsang Sotyaramadhani HARIANTO, WAWAN Hatim Albasri I Dewa Putu Gede Wiyata Putra I Dewa Putu Gede Wiyata Putra I Dewa Putu Gede Wiyata Putra I Gede Adnyana I Gede Adnyana I Gede Adnyana I Gede Adnyana I Gede Andika I Gede Iwan Sudipa I Gede Made Yudi Antara I Gede Mardiana Putra I Gede Pandy Sastrawan I Gusti Ayu Budiadnyani I Gusti Ayu Budiadnyani I Gusti Ayu Budiadnyani I Gusti Ayu Fienna Novianthi Sidiartha I Gusti Ngurah Bagus Widiatmika I Kadek Budi Sandika I Kadek Dwi Gandika Supartha I Kadek Dwi Gandika Supartha I Kadek Dwijaputra I Ketut Sumandiarsa I Komang Arya Ganda Wiguna I Komang Arya Ganda Wiguna I Komang Arya Ganda Wiguna I Komang Arya Ganda Wiguna I Made Aditya Nugraha I Made Surya Kumara I Made Urip Sumaharja I Made Wira Adnyana I N Satya Kumara I Nyoman Alit Arsana I Nyoman Buda Hartawan I Nyoman Buda Hartawan I Nyoman Buda Hartawan I Nyoman Buda Hartawan I Nyoman Juniarta I Nyoman Juniarta I Nyoman Saputra Wahyu Wijaya I Nyoman Tri Anindia Putra I Nyoman Widhi Adnyana I Putu Agus Eka Darma Udayana, I Putu Agus Eka I Putu Edi Setiawan I Wayan Dani Pranata I Wayan Dani Pranata I Wayan Sudiarsa Ida Ayu Dwi Giriantari Ida Ayu Wiwit Lastari Ida Bagus Ary Indra Iswara Ida Bagus Gede Sarasvananda Ida Bagus Gede Sarasvananda Ida Bagus Gede Sarasvananda Ida Bagus Gede Sarasvananda Idrus, Muhamad Amril Iftachul Farida Iftachul Farida Ika Astiana Ika Astiana Ika Astiana Jhon Septin M. Siregar Jhon Septin Mourisdo Siregar Juniarta, I Nyoman Kadek Aldy Adhistya Anugrah Kadek Ayu Ariningsih Kadek Suryati Kombonglangi, Kaleb Charisma Kurniawan, I Kadek Yogi Lebrina Ivantry Boikh Made Vera Sugiyama Ria Mahaldika Cesrany Mahaldika Cesrany Mahaldika Cesrany Masridho Suriyono Mohammad Dwi Alfian Muhamad Amril Idrus Nataraj, Kannan Ni Putu Suci Meinarni Ni Putu Suci Meinarni Ni Wayan Suardiati Putri Ni Wayan Wardani Nirwana, Ni Kadek Ayu Novandi, Aditya Nyoman Sarasuartha Mahajaya Poy, Maria Delastrada Pramana, Putu Indra Pramawati, I.D.A Tantri Pranata, I Wayan Dani Putra, I Gede Yudiana Putu Candra Kharisma Dewi Putu Indra Pramana Putu Mariati Kaman Dewi Putu Praba Santika Putu Satria Udyana Putra PUTU SUGIARTAWAN Putu Sugiartawan Putu Wirayudi Aditama Reganata, Gde Palguna Resti Nurmala Dewi Rizkita Ayu Mutiarani Rukmi Sari Hartati S. Samsugi Samsul Hadi Sandhiyasa, I Made Subrata Sandika, I Kadek Budi Saputra, Putu Krishna Gangga Satwika, I Kadek Susila Satya, I Wayan Wira Serihollo, Lukas G. G Setiawan, I Putu Edi Siluh Putu Sri Dia Utari Siluh Putu Sri Dia Utari Siregar, Jhon Septin Maourisdo Supartha, Kadek Dwi Gandika Utari, Siluh Putu Sri Dia Wawan Harianto Wayan Eny Mariani Wayan Gede Suka Parwita Widagdo, Aris Wiguna, I Komang Arya Ganda Wiradana, I Made Adi Wiyata Putra, I Dewa Putu Gede Yande Hendika Bayu Perdana Yasa, I Wayan Adi Putra