Perencanaan produksi merupakan hal yang sangat penting bagi perusahaan, karena dalam proses perencanaan ini akan menentukan jumlah produk yang akan di produksi. Dalam penelitian ini, permasalahan yang terjadi disebabkan karena perusahaan tidak memprediksi fluktuasi permintaan dengan tepat sehingga banyak produk yang dihasilkan mengalami penumpukan.Penumpukan yang terjadi merupakan kerugian karena penggunaan bahan baku yang berlebihan untuk produk yang tidakterjual. Oleh karena itu, pengelolaan bahan baku harus dilakukan dengan tepat. Dalam penelitian ini, metode yang digunakan untuk memprediksi permintaan adalah Winter dan goal programming untuk optimasi bahan baku. Metode Goal programming digunakan karena terdapat lebih dari satu fungsi tujuan dalam permasalahan.Penggunaan metode winter ini menghasilkan jumlah permintaan dengan tingkat akurasi 90% dari roti bandung 4.040 pcs, roti meises 4.149 pcs, roti tawar kupas 3.315 pcs, roti selai 4.095 pcs. Hasil yang diproleh diharapkan mampu memprediksi permintaan secara tepat sehingga penggunaan bahan baku dapat dioptimalkan menggunakan goal programming. Production planning is a very important key for a company, because production planner will decide the amount of products that will be produced.In this study,the problem occurred is that the company did not predict the exact demand fluctuation therefore there are many amount of products cumulated.This cumulation is also because the used of excessive raw materials for unsold products. Therefore the exact raw material management should be applied.In this study,the method that used to predicting the demand is Winter and Goal programming for the raw material optimization.Goal Programming method is used because there are more than one(fungsi tujuan)in one case.The result of Winter method is the amount of demand with 90% level of accuracy from roti bandung is 4040 pcs,roti meises is 4149 pcs,roti tawar kupas is 3315 pcs,and roti selai is 4095 pcs.The results is expected can be predicted the exact demand therefore the used of raw materials could be optimized using goal programming method.
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