Safitri, Destania (2026) Pengembangan Model Rantai Pasok Distribusi Pupuk Curah Untuk Meningkatkan Efisiensi Proses Pemuatan Di Pelabuhan Dengan Pendekatan Sistem Dinamik. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Proses pemuatan pupuk curah di pelabuhan memiliki peran penting dalam mendukung kelancaran distribusi pada rantai pasok. Dalam praktiknya, aktivitas pemuatan sering menghadapi kendala berupa keterbatasan kapasitas peralatan, gangguan operasional, serta variasi muatan, yang berdampak pada meningkatnya laytime dan menurunnya efisiensi operasional. Kondisi ini menuntut adanya pendekatan analisis yang mampu merepresentasikan perilaku sistem secara dinamis serta mengevaluasi dampak kebijakan operasional secara terukur. Penelitian ini bertujuan untuk menganalisis perilaku dinamis sistem pemuatan kapal pupuk curah dan mengevaluasi alternatif kebijakan operasional dalam meningkatkan efisiensi waktu pemuatan. Fokus penelitian diarahkan pada aset pemuatan internal perusahaan yang berada dalam kendali manajemen, khususnya sistem pemuatan berbasis conveyor, sementara sarana transportasi eksternal seperti dump truck tidak dijadikan objek optimalisasi kebijakan. Pendekatan yang digunakan adalah Sistem Dinamik dengan pemodelan Stock and Flow Diagram (SFD) untuk merepresentasikan aliran material, kapasitas operasional, faktor efisiensi, serta indikator kinerja berbasis waktu. Model dikembangkan menggunakan data operasional pemuatan yang diperoleh dari catatan internal perusahaan. Tiga skenario kebijakan dianalisis, yaitu peningkatan kapasitas melalui upgrade belt conveyor, peningkatan keandalan conveyor melalui perbaikan komponen kritis untuk menurunkan downtime, serta skenario terintegrasi yang mengombinasikan kedua kebijakan tersebut. Laytime digunakan sebagai indikator utama kinerja sistem. Hasil simulasi menunjukkan bahwa kondisi dasar memiliki fluktuasi laytime yang relatif tinggi akibat keterbatasan kapasitas dan gangguan operasional. Skenario terintegrasi menghasilkan nilai laytime paling rendah dan stabil tanpa mengubah struktur aliran material utama sistem. Penelitian ini menunjukkan bahwa Sistem Dinamik efektif digunakan sebagai alat bantu pengambilan keputusan dalam perencanaan kapasitas dan peningkatan efisiensi operasional pemuatan di pelabuhan.
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Bulk fertilizer loading operations at ports are critical to ensuring efficient supply chain distribution. In practice, these operations often face challenges related to limited equipment capacity, operational disturbances, and variability in loading demand, which can lead to excessive laytime and reduced service performance. Addressing these issues requires an analytical approach that captures the dynamic behavior of the loading system and evaluates the impact of operational improvement policies over time. This study aims to analyze the dynamic behavior of bulk fertilizer ship loading operations and evaluate alternative operational policies to improve loading time efficiency. The analysis focuses on internal loading assets under direct managerial control, particularly conveyor-based loading systems, while external transportation resources such as dump trucks are excluded from policy optimization. A System Dynamics approach is employed using a Stock and Flow Diagram (SFD) to model the loading process, incorporating material flow, operational capacity, efficiency factors, and time-based performance indicators. The model is developed using operational data obtained from internal company records. Three policy scenarios are evaluated: increasing conveyor capacity through belt speed upgrade, improving conveyor reliability by upgrading critical components to reduce downtime, and an integrated scenario combining both capacity enhancement and reliability improvement. Laytime is used as the primary performance indicator. Simulation results show that the baseline condition exhibits significant laytime fluctuations due to capacity constraints and operational disturbances. Scenario increasing conveyor capacity through belt speed upgrade reduces laytime by increasing effective loading capacity, while Scenario improving conveyor reliability by upgrading critical components improves operational stability by reducing downtime. The integrated Scenario produces the lowest and most stable laytime throughout the simulation horizon without altering the system’s material flow structure. This study demonstrates the usefulness of System Dynamics as a decision-support tool for improving operational efficiency and capacity planning in bulk material loading systems.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Sistem Dinamik, Operasi Pemuatan Pelabuhan, Penanganan Pupuk Curah, Peningkatan Kapasitas Sistem Konveyor, Reduksi Waktu Pemuatan, Kinerja Operasional, System Dynamics, Port Loading Operations, Bulk Fertilizer Handling, Conveyor Capacity Improvement, Laytime Reduction, Operational Performance |
| Subjects: | T Technology > T Technology (General) > T57.62 Simulation |
| Divisions: | Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Information System > 57201-(S1) Undergraduate Thesis |
| Depositing User: | Destania Safitri |
| Date Deposited: | 02 Feb 2026 06:13 |
| Last Modified: | 02 Feb 2026 06:13 |
| URI: | http://repository.its.ac.id/id/eprint/131577 |
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