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    Logika Fuzzy dan Program Linier untuk Pengoptimalan Perolehan Laba dalam Impor Barang

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    Date
    2012
    Author
    Situmorang, Zakarias
    Zarlis, Muhammad
    Advisor(s)
    Situmorang, Zakarias
    Zarlis, Muhammad
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    Abstract
    This study aims to construct a model in the process of importing goods to obtain the optimal profit from the sale of imported goods. This model includes the prediction of the resale price of imported goods in local markets and optimizing the purchase of imported goods in overseas markets. Prediction process of the resale price of imported goods accounted for using the Tsukamoto fuzzy logic method. Input consists of three different items that will be observed variables are the demand of goods, availability/stock and the market price in the local market. The output is estimated resale price and the profits of each imported goods. The process of optimizing the purchase of imported goods performed using simplex method of linear programming. Variables that will be needed including the expected profits of each item, available capital, the allocation of shipping the package weight, the weight of each item, and the maximum amount of each item to be purchased. The results obtained in this research include the prediction model resale price of imported goods and imported goods purchases optimization models. Calculations with this model compared with the calculation of random values is concluded that the calculation with this model provides a more optimal value. Keywords: prediction of selling price, purchase optimization, Tsukamoto fuzzy logic, linear programming simplex.
     
    Penelitian ini bertujuan untuk membangun suatu model dalam proses impor barang untuk mendapatkan laba yang optimal dari penjualan barang impor tersebut. Model ini meliputi prediksi harga jual kembali barang impor di pasar lokal dan pengoptimalan pembelian barang impor di pasar luar negeri. Proses prediksi harga jual kembali barang impor diperhitungkan menggunakan metode logika fuzzy Tsukamoto. Input terdiri atas tiga barang yang berbeda dengan variabel yang akan diamati adalah permintaan barang, ketersediaan/stok barang dan harga pasaran di pasar lokal. Outputnya adalah perkiraan harga jual kembali dan keuntungan masing-masing barang impor. Proses pengoptimalan pembelian barang impor menggunakan metode program linier simplex. Variabel yang akan diperlukan antara lain perkiraan keuntungan masing-masing barang, modal yang tersedia, alokasi berat paket pengiriman, berat masing-masing barang, dan jumlah maksimum masing-masing barang yang akan dibeli. Hasil yang diperoleh dalam penelitian ini antara lain model prediksi harga jual kembali barang impor dan model pengoptimalan pembelian barang impor. Perhitungan dengan model ini dibandingkan dengan perhitungan nilai acak disimpulkan bahwa perhitungan dengan model ini memberikan nilai yang lebih optimal. Kata kunci : prediksi harga jual, pengoptimalan pembelian, logika fuzzy Tsukamoto, program linier simplex.

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    http://repositori.usu.ac.id/handle/123456789/38159
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    • Master Theses [621]

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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV