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All Journal Jurnal Ekonomi Manajemen Sistem Informasi Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Jurnal Venus
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Politeknik Ilmu Pelayaran Makassar
Agriculture, Biological Sciences & Forestry Chemistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Library & Information Science Mechanical Engineering Physics Transportation Other

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Analysis of Optimal Radar Operation during Navigation on the KM Oriental Galaxy: Analisis Operasional Radar Secara Optimal Saat Bernavigasi di KM Oriental Galaxy Sultan; Ika Mustika; Nur Indah Sari; Ismail
JURNAL VENUS Vol. 13 No. 2 (2025): September
Publisher : PIP Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48192/vns.v13i2.812

Abstract

Radar is one of the most important navigational aids for the officer of the watch, particularly at night, in restricted visibility, and in congested or narrow waters, but its value depends on correct operation, interpretation, and maintenance. This study examines the problems in the operation of radar during navigation on the KM Oriental Galaxy and identifies measures to optimise its use. A qualitative descriptive design was used, with data collected through direct observation, informal interviews with the Second Officer, the Third Officer, two helmsmen on watch, and a deck cadet, and documentation, including the planned maintenance records, during the authors’ 12-month sea practice. The results show that radar operation on board did not yet fully meet the applicable operating procedures. The problems identified were ineffective detection of targets and navigational hazards, deteriorating magnetron performance, blind and shadow sectors in the radar coverage, and spurious and false echoes that did not correspond to real objects. These problems were related to the crew’s limited knowledge of radar settings, display modes, and limitations, to insufficient attention by the officers to their responsibility for navigational equipment, and to routine maintenance that was not carried out on schedule, as shown by overdue items in the planned maintenance system. Technical guidance was given to the crew on radar settings, interpretation of the display, emergency handling, and basic maintenance. Training of officers and ratings in radar operation and its limitations, maintenance in accordance with the manufacturer’s instructions and the planned maintenance system, recording of blind sectors, and prompt company support for spare parts and repairs are recommended.
COST EFFECTIVE APPROACH: OPTIMAL CONTROL APPLICATION IN NARCOTICS ABUSE MODEL BY INVOLVING THE NUMBER OF DEATHS Thaibil Anwar; Eka Nurmala; Wahyudi; Sanusi; Sultan; Muhammad David
International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Vol. 6 No. 3 (2026): June
Publisher : CV. Radja Publika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.23811640

Abstract

Narcotics abuse represents a critical global public health challenge requiring strategic intervention through prevention and treatment mechanisms. This study addresses a significant gap in existing mathematical models of narcotics abuse by incorporating mortality as an explicit variable. While the foundational LH (Light user–Heavy user) model has been instrumental in understanding drug abuse dynamics, it fails to account for the substantial mortality burden associated with narcotics abuse. This research develops an extended LHD (Light user–Heavy user–Death) model by adding a death state to the original LH framework. The model is calibrated using data from Indonesia's National Narcotics Agency (BNN) through parameter selection that approximates observed trends. Optimal control theory is applied to minimize prevention and treatment budgets while maximizing intervention effectiveness. Simulations were conducted under three budget scenarios: unrestricted, restricted (Rp 735 billion based on 2014 allocation), and balanced (fifty–fifty allocation). Results demonstrate that prevention strategies dominate under unrestricted budget conditions, achieving a 78.8% reduction in light users, while treatment interventions become more prominent under budget constraints, with optimal resource allocation varying significantly across scenarios. The findings provide empirical evidence for evidence-based policy formulation in narcotics control programs and contribute methodologically to the field of mathematical epidemiology by explicitly modeling mortality dynamics in substance abuse.
Perubahan Melalui Core Competencies Dengan Learning Organization Dengan Employee Statisfaction Untuk Mencapai Peningkatan Organization Performance Pada Politeknik Pelayaran Malahayati Sultan Sultan; Eka Nurmala; Wahyu Jatikusumo
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 2 (2024): Jurnal Ekonomi Manajemen Sistem Informasi (November - Desember 2024)
Publisher : Dinasti Review

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Abstract

Penelitian ini bertujuan untuk menganalisis peran kompetensi inti (core competencies) dan organisasi pembelajaran (learning organization) dalam meningkatkan kinerja organisasi di Politeknik Pelayaran Malahayati, dengan kepuasan karyawan sebagai variabel mediasi. Peningkatan kinerja organisasi menjadi hal yang krusial bagi institusi pendidikan untuk bersaing dan memberikan layanan optimal. Dalam konteks ini, kompetensi inti dipandang sebagai fondasi bagi pengembangan organisasi yang adaptif dan berorientasi pada pembelajaran berkelanjutan. Penelitian ini akan mengeksplorasi bagaimana perubahan yang berfokus pada pengembangan core competencies dan penerapan learning organization, dengan memperhatikan kepuasan karyawan sebagai variabel mediasi, dapat meningkatkan kinerja organisasi di Politeknik Pelayaran Malahayati.. Melalui pendekatan kuantitatif, penelitian ini mengumpulkan data dari karyawan Politeknik Pelayaran Malahayati untuk menguji hubungan antara variabel-variabel tersebut. Hasil penelitian menunjukkan bahwa kompetensi inti dan organisasi pembelajaran berpengaruh signifikan terhadap peningkatan kinerja organisasi, dengan kepuasan karyawan sebagai variabel mediasi yang memperkuat pengaruh tersebut. Implikasi dari penelitian ini adalah pentingnya institusi pendidikan tinggi untuk terus memperkuat kompetensi inti dan menciptakan lingkungan pembelajaran yang mendukung, guna mencapai peningkatan kinerja organisasi secara berkelanjutan.
Peran Pendidikan Keselamatan dan Kesehatan Kerja (Mata kuliah K3) Dalam Meminimalisasi Kecelakaan Kerja di Pelabuhan Makassar Taharuddin Taharuddin; Achmad Zultan Mansur; Sultan Sultan
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 4 (2025): November
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i4.1571

Abstract

Peningkatan keselamatan dan kesehatan kerja (K3) di pelabuhan merupakan sebuah keniscayaan, mengingat kompleksitas operasional dan potensi risiko tinggi yang melekat pada aktivitas bongkar muat, pergerakan alat berat, serta interaksi berbagai pihak di area pelabuhan. Upaya ini harus melibatkan pendekatan holistik, dimulai dari penguatan regulasi dan penegakan hukum yang lebih tegas terhadap standar K3, hingga investasi teknologi, serta infrastruktur untuk mendukung lingkungan kerja yang aman. Pentingnya pelatihan dan edukasi berkelanjutan bagi seluruh pekerja pelabuhan, mulai operator alat berat, tenaga lapangan, hingga staf administrasi, tidak bisa ditawar. Tujuan Penelitian ini adalah untuk mengetahui peran stakeholder pelabuhan dalam meningkatkan keselamatan dan kesehatan kerja di pelabuhan. Penelitian menggunakan pendekatan kualitatif untuk menggali informasi pada masing masing stakeholder yang beraktivitas di area pelabuhan.Berdasarkan penelitian yang dilakukan, maka diperoleh hasil sebagai berikut: a) Operator pelabuhan dalam hal ini pelindo tidak memiliki peran secara langsung terhadap peningkatan keselamatan dan kesehatan kerja di pelabuhan, namun memiliki peran signifikan dan positif secara tidak langsung melalui subholden terkait; b) Otoritas Pelabuhan memiliki peran yang signifikan dan positif terhadap peningkatan keselamatan dan kesehatan kerja di pelabuhan; c) Perusahan bongkar muat memiliki peran signifikan dan positif terhadap peningkatan keselamatan dan kesehatan kerja di pelabuhan; d) Institusi pendidikan vokasi pelayaran memiliki peran yang signifikan dan positif terhadap peningkatan keselamatan dan kesehatan kerja di pelabuhan.Dengan demikian dapat ditarik suatu kesimpulan bahwa sebagian besar stakeholder yang terlibat pada kegiatan di pelabuhan memiliki tanggungjawab terhadap peningkatan keselamatan dan kesehatan kerja di pelabuhan baik secara langsung maupun tidak langsung.Berdasarkan hasil yang diperoleh tersebut maka dapat ditarik suatu kesimpulan bahwa dalam rangka peningkatan kesadaran tentang K3 di Pelabuhan Perlu melibatkan stakeholder yang ada pada pelabuhan tersebut.
Integrasi Pendidikan dan Penerimaan Sosial dalam Mendorong Adopsi Teknologi Energi Hijau di Indonesia: Integrasi Pendidikan dan Penerimaan Sosial dalam Mendorong Adopsi Teknologi Energi Hijau di Indonesia Muhammad David; Taharuddin; Sultan; Alberto Rima; Affandi Saputra
JURNAL VENUS Vol. 14 No. 2 (2026): September
Publisher : PIP Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48192/vns.v14i2.845

Abstract

The transition to green energy is a strategic agenda for Indonesia in responding to climate change and high dependence on fossil fuels. Although Indonesia has significant renewable energy potential, its utilization rate remains relatively low. This situation indicates that the challenges of the green energy transition are not only technical and economic, but also influenced by social factors, particularly education, social acceptance, and technology adoption. This study aims to analyze the relationship between education level, social acceptance, and the adoption of green energy technology in Indonesia. The study focuses on the role of education in shaping energy literacy and awareness, the dynamics of social acceptance of renewable energy technology, and the factors that hinder and encourage the adoption of green energy technology within the context of national policy. The research method used is a systematic literature review. Data were collected from scientific articles indexed by Scopus, Web of Science, and SINTA, as well as government policy reports and publications from relevant international institutions, covering the last five years. The analysis was conducted descriptively and analytically by grouping the literature findings into themes of education, social acceptance, and technology adoption. The results show that education level has a significant influence on increasing energy literacy and positive public attitudes toward green energy. Social acceptance has been shown to be a key factor influencing the successful implementation of renewable energy technologies, particularly through perceptions of benefits, risks, and distributive equity. However, the adoption of green energy technologies still faces obstacles such as high initial investment costs, limited infrastructure, and inconsistent policies. This research confirms that accelerating the green energy transition in Indonesia requires a holistic and integrated policy approach, combining strengthened education, increased social acceptance, and sustainable institutional support
Co-Authors Achmad Zultan M Affandi Saputra Alberto Rima Eka Nurmala Eka Nurmala Ika Mustika Ismail Muhammad David Muhammad David Nur Indah Sari Sanusi Taharuddin Taharuddin Taharuddin Thaibil Anwar Wahyu Jatikusumo Wahyudi