Utami, Daris Putri (2006) Optimasi Persediaan Dan Produksi Komponen Lampu Di Lamp Component Factory (LCF) PT. Philips Indonesia. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Besarnya biaya penyimpanan dan terjadinya overload gudang di Lamp Component Factory (LCF) PT. Philips Indonesia sering kali menjadi masalah, terutama pada departemen Warehouse and Material Control. Selama ini optimasi biaya penyimpanan belum dilakukan secara menyeluruh karena tingkat safety stock masih sangat tinggi (98,5%–100%) dan tidak memperhatikan keterbatasan gudang dalam penyelesaiannya. Untuk mendapatkan nilai yang optimal dengan memperhatikan batasan-batasan yang ada (kapasitas gudang, kapasitas produksi, dan tingkat service level), dalam penelitian ini akan digunakan pendekatan ABC classification dan model linear programming. ABC classification digunakan untuk mengelompokkan item berdasarkan nilai (value) dan space gudang yang diperlukan oleh setiap item. Hasil pengelompokan berdasarkan nilai digunakan untuk menentukan tingkat service level dalam pemenuhan safety stock. Hasil pengelompokan berdasarkan space yang dibutuhkan tiap produk di gudang digunakan untuk menentukan batas maksimal kapasitas gudang pada setiap kelompok. Kelompok-kelompok yang terbentuk akan digunakan sebagai peubah keputusan selain tingkat safety stock, kapasitas gudang, jumlah permintaan, stock on hand pada periode sebelumnya, dan kapasitas produksi. Peubah-peubah tersebut dibuat menjadi suatu model linear programming dengan fungsi tujuan meminimumkan biaya penyimpanan dan biaya produksi. Dari hasil running software LINGO 8.0 diperoleh penurunan biaya produksi sebesar 0,35% dan biaya penyimpanan sebesar 16,82%, atau 1,06% (Rp821.634.545,83) dari keseluruhan biaya produksi dan penyimpanan tahun 2005. Hasil ini menunjukkan bahwa pengelompokan produk dan penggunaan kapasitas gudang sebagai pembatas dalam penentuan jumlah produksi dan pengadaan layak diperhitungkan sebagai salah satu penentu kebijaksanaan dalam perencanaan produksi dan persediaan untuk meningkatkan efisiensi biaya produksi dan penyimpanan serta mengurangi terjadinya overload di gudang.
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High holding costs and warehouse overloading often caused problems in the Warehouse and Material Control Department of Lamp Component Factory (LCF), PT. Philips Indonesia. Optimization of holding costs by reducing safety stock had never been carried out previously. All finished products had the same safety stock level (98.5%–100%), while warehouse capacity was limited. To obtain an optimal solution while considering the existing constraints, namely warehouse capacity, production capacity, and service level, this research used the ABC classification approach and linear programming method. ABC classification was used to classify products based on their value and the warehouse space required by each product. The classification based on value was used to determine the service level for calculating the required safety stock. The classification based on product space was used to determine the maximum warehouse capacity for each class. The product classes were used as decision variables in the linear programming model, along with safety stock, warehouse capacity, demand, stock on hand from the previous period, and production capacity. These variables were incorporated into a linear programming model with the objective function of minimizing holding and production costs. The results of running the LINGO 8.0 software showed a reduction in production costs of 0.35% and holding costs of 16.82%, or 1.06% (IDR 821,634,545.83) of the total production and holding costs in 2005. These results indicate that product classification and the use of warehouse capacity as a constraint in determining production and procurement quantities should be considered as factors in production planning and inventory control policies to increase cost efficiency and minimize warehouse overloading.
| Item Type: | Thesis (Masters) |
|---|---|
| Additional Information: | RTMT 658.785 Uta o |
| Uncontrolled Keywords: | biaya penyimpanan, biaya produksi, persediaan, ABC classification, linear programming, holding cost, production cost, inventory, ABC classification, linear programmmg |
| Subjects: | H Social Sciences > HF Commerce > HF5485 Warehouses--Management |
| Divisions: | Interdisciplinary School of Management and Technology (SIMT) > 61101-Master of Technology Management (MMT) |
| Depositing User: | magang . |
| Date Deposited: | 17 Sep 2026 02:44 |
| Last Modified: | 17 Sep 2026 02:44 |
| URI: | http://repository.its.ac.id/id/eprint/144611 |
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