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All Journal Journal of Mechanical Engineering Science and Technology AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Jurnal Sains Teknologi Transportasi Maritim Journal of Earth and Marine Technology (JEMT) Journal of Information System and Technology (JOINT) Journal of Artificial Intelligence and Digital Business Innovative: Journal Of Social Science Research Scientica: Jurnal Ilmiah Sains dan Teknologi Emitor: Jurnal Teknik Elektro Indonesian Journal of Port and Shipping Management
Nurdiansari, Henna
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Design of a Ship Speed Control System Using Hybrid Propulsion Based on Fuzzy Logic Aldoko, Fajar Surya Muhammad; Kurniawan, Edi; Amrullah, Romanda Annas; Nurdiansari, Henna; Sandi, Wulan Marlia
Emitor: Jurnal Teknik Elektro Vol 25, No 3: November 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/emitor.v25i3.12727

Abstract

The maritime transportation sector, especially in archipelagic countries like Indonesia, faces significant challenges in optimising ship speed and fuel efficiency, particularly when using hybrid propulsion systems. This study aims to design a ship speed control system based on fuzzy logic integrated with a hybrid propulsion system (BLDC motor and diesel engine) for a trimaran vessel. The research employed both static and dynamic testing on the system, measuring parameters such as motor RPM, current consumption, voltage, and fuel efficiency across different speed modes (from 4 km/h to 11 km/h). The results showed that the fuzzy logic-based control system notably improved speed stability and fuel efficiency, especially at lower speeds, compared to conventional systems. Additionally, the system effectively adapted to environmental conditions such as waves and currents, optimising power distribution between the BLDC motor and diesel engine. The conclusion emphasises that this fuzzy logic-based control system offers a promising solution to enhance operational efficiency in hybrid propulsion systems for maritime vessels, ensuring reduced fuel consumption and improved environmental sustainability.
Pengaruh Penggunaan APD dan Disiplin Kerja Oleh TKBM terhadap Produktivitas Kerja Dalam Kegiatan Muat Batu Bara Di Tanjung Kampeh Anchorage Pada Agen PT Adhika Samudera Jaya Chriswiratomo, Mohamad Alfan; Putri, Indah Ayu Johanda; Nurdiansari, Henna
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.4112

Abstract

Keselamatan dan kesehatan kerja berperan penting dalam menjaga kesejahteraan pekerja. Salah satu aspek utama yang menunjang standar keselamatan kerja adalah penggunaan Alat Pelindung Diri (APD) yang tepat. APD berfungsi meminimalkan risiko kecelakaan dan potensi insiden saat bekerja. PT. Adhika Samudera Jaya memiliki Agen On Board yang bertugas sebagai pelaksana kegiatan muat batu bara di atas kapal. Penelitian ini bertujuan untuk menganalisis pengaruh penggunaan APD dan disiplin kerja terhadap produktivitas kerja Tenaga Kerja Bongkar Muat (TKBM). Penelitian menggunakan metode kuantitatif dengan analisis regresi linear berganda. Data diperoleh melalui kuesioner dan observasi, kemudian diuji menggunakan uji validitas, reliabilitas, normalitas, multikolinearitas, heteroskedastisitas, autokorelasi, uji F, dan uji T. Perbedaan penelitian ini dengan penelitian sebelumnya yang berjudul “Optimalisasi Penggunaan Alat Keselamatan Kerja dalam Kegiatan Bongkar Muat Batu Bara pada PT Bahtera Adhiguna di Pelabuhan Teluk Bayur” terletak pada lokasi dan fokus penelitian. Penelitian sebelumnya dilakukan di Pelabuhan Teluk Bayur, Kota Padang, Sumatera Barat, sedangkan penelitian ini dilakukan di Tanjung Kampeh Anchorage, Sumatera Selatan. Selain itu, penelitian terdahulu hanya berfokus pada optimalisasi penggunaan APD, sementara penelitian ini secara khusus menganalisis pengaruh penggunaan APD dan disiplin kerja terhadap produktivitas kerja TKBM. Hasil penelitian menunjukkan bahwa penggunaan APD dan disiplin kerja berpengaruh positif dan signifikan terhadap produktivitas kerja TKBM. Nilai koefisien regresi masing-masing sebesar 0,323 dan 0,570, dengan nilai F simultan 71,208 serta Adjusted R Square 70,4%. Dengan demikian, penerapan APD yang optimal dan kedisiplinan kerja yang baik terbukti meningkatkan produktivitas kerja TKBM pada kegiatan muat batu bara di PT. Adhika Samudera Jaya
Co-Authors Adjie, Muhammad Bagas Giri Seno Akhmad Kasan Gupron, Akhmad Kasan Aldoko, Fajar Surya Muhammad Alia, Diana Amaliah M, Sri Andriano, Miko Ansyah, Ichad Wahyu Alpi Arisusanty, Dian Junita Chriswiratomo, Mohamad Alfan Dahri, M. Dahri, Muh. Edi Kurniawan Fazlih, Muhammad Fharhan Firdaus Sitepu Heryanto, Muh Dhio Oktavio Irmawanto, Rudi Johanda Putri, Indah Ayu Kustanto, Jaka Septian Layinatul Afidah, Nisaul Hanik M. Hanifuddin Hakim Nugraha, Bugi Putri , Indah Ayu Johanda Putri, Indah Ayu Johanda Rachman, Natriya Faisal Rahayu, Trisnowati Romanda Annas Amrullah Sandi, Wulan Marlia Sihaloho, Otri Wani Siregar, Amelia Greacy Talenta Tri Haryanto