Aplikasi Goal Programming dalam Optimasi Produksi Roti Kacang (Studi Kasus: UD. UMEGA Roti Kacang Hj. Eliya Lubis, Tebing Tinggi)

Abstract

APPLICATION OF GOAL PROGRAMMING IN OPTIMIZATION PRODUCTION NUT BREAD (Case Study: UD. UMEGA Roti Kacang Hj. Eliya Lubis, Tebing Tinggi) ABSTRACT Production planning is the planning of what products and how many will be produced by the company within a period of time that will come. Production planning is one of operational planning in a company that aims to optimize production, minimize costs and maximize revenue production process. UD. UMEGA Hj. Eliya Lubis plan the production based on the number of existing orders and strive to meet the market demand. Employers are often faced with a situation in which there is a discrepancy with product demand, as demand fluctuates. Employers need to consider the suitability of many products with consumer demand in order to avoid product losses due to excessive or too little. This study uses Goal Programming for optimizing the production of nut bread. Goal Programming method is intended to tackle the problem with more than one purpose. These objectives can be inter-related and can also conflicting. The Value of the right side is obtained by using time series forecasting method, Seasonal Exponential Smoothing (Winter's Three Parameter Trend and Seasonality Method). In this forecasting using a value of α = 0.5, β = 0.1 and γ = 0.2. With the value of absolute percentage error (Mean Absolute Persentage Error) MAPE = 1.87%. The goal of the company is to meet market demand, maximize profits and minimize production costs. The result of this research is to produce an optimal production quantities for January - December 2014 in the amount of 7.208 boxes, 6.048 boxes, 6.885 boxes, 5.775 boxes, 6.829 boxes, 6.742 boxes, 4.426 boxes, 5.576 boxes, 5.339 boxes, 5.460 boxes, 5.713 boxes, 6.500 boxes. The total cost of production for 2014 is Rp 2.155.335.613 and total profit for the year is Rp 206.238.341,30. Keywords: Goal programming, optimization, production planning.