Judul: Analysis of supply chain management (scm) system at palm plantation and palm oil factory of gunung meliau, PTPN XIII, West Borneo, in order to improve quality and productivity of crude palm oil (cpo) and palm kernel
Abstrak: Nowadays, supply chain management becomes one of popular systems that are used by companies for increasing profits and costumer trusts. The designing Supply chain management’s case study is implemented at palm oil factory of Gunung Meliau, PTPN XIII, West Borneo. This research by approaching through supply chain management system is focused on the process starting from harvesting of fresh fruit bunches up to producing a high quality and productivity of crude palm oil and palm kernel in accordance with the standart by PTPN XIII. This model is expected to be able to improve the company’s competitive advantage. Competitive advantage can be achieved through value advantage and productivity advantage. Value advantage can be reached through a process that produces high quality products, while productivity advantage is reflected in high-volume production with low-cost process for each unit. Supply chain management system is designed based on identification problems which are traced and observed during supplier research. Supply chain management system is built with three important aspects; those are operational aspect, tactical aspect, and strategic aspect. Supply chain management system is created for stimulating some scenarios about controlling and scheduling of harvesting, delivering, and producing; improving and repairing facilities and infrastructures; implementation of total quality management; and implementation of specification sets through periodic audit.
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Judul: Analisis optimal produksi crude palm oil (CPO) dan palm kernel (PK) : kasus di PPT.Perkebunan Nusantara XIII (Persero), Kalimantan Barat
Abstrak: Kegiatan produksi yang bertujuan untuk memaksimumkan keuntungan bagi perusahaan perkebunan menghadapi kendala yang mengakibatkan tujuan tersebut belum dapat tercapai. Kendala yang dihadapi perusahaan perkebunan meliputi jumlah dan ketersediaan bahan baku yang terbatas, penggunaan kapasitas pabrik yang belum efisien serta penggunaan tenaga kerja baik di kebun maupun di pabrik. Pasokan CPO sebagai bahan baku minyak goreng dalam negeri terutama berasal dari PT Perkebunan Nusantara (PTPN). Sampai saat ini kapasitas produksi CPO PTPN belum mampu memenuhi permintaan CPO di dalam negeri, sehingga PTPN perlu untuk mengoptimalkan produksinya atau menggunakan sumberdaya yang ada untuk memaksimumkan keuntungan dan memenuhi tingkat permintaan CPO dalam negeri. Penelitian ini bertujuan untuk: menggambarkan kondisi perusahaan pada periode tahun 1997, menganalisis tingkat produksi CPO dan PK yang dapat memberikan keuntungan maksimal dengan pemanfaatan sumberdaya yang terbatas dan menganalisis pengaruh perubahan terhadap perencanaan produksi dan harga. Penelitian melakukan dua tahap analisis, yaitu analisis struktur biaya produksi dan analisis optimalisasi di tiap pabrik. Teknik analisis yang digunakan dalam analisis optimalisasi adalah teknik program linear yang didasarkan pada aktivitas dan lajur kendala serta fungsi tujuan yang ingin dicapai. ...
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Judul: Metrik Einstein (Anti-) Self-Dual Berdimensi Empat dengan Metode Cartan
Abstrak: Gravitational field equation can be formulated in differential forms (differential geometry), which describes gravity as a manifestation of the curvature of space-time. Curvature of space-time is characterized by a metric that satisfies the gravitational field equation. With differential forms it can be formulated the (anti-) self-dual Einstein equation, which is a modification of the Cartan structure in (anti-) self-dual basis. Calculation of (anti-) self-dual metric with (anti-) self-dual Einstein equation is simpler than the calculation using Christoffel symbols.
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