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Perencanaan Produksi Berhiararki Produk Olahan Kayu Menggunakan Model Goal Programming
Angggoro, Paulus Wisnu
Article from Journal - ilmiah nasional
Jurnal Teknologi Industri vol. 9 no. 2 (Apr. 2005)
Aggregate Production Planning
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Production planning is a very important activity for a manufacturing company. For a company producing a variety of product the production planning will be complicated. In this case it's necessary that the company to make an aggregate production planning. There are many goals to achieve in production activities. Where the goal sometime different from each other. On such condition company needs to make a production planning decision that can accomodate all of the goals. Goal Programming Model can be used for aggregate production planning. This multi objective model can accomodate more than one goal which will be achieved by the company. Product demand forecasting is input for aggregate production planning. From this aggregate production, furthermore, disaggregation must be conducted, then it must be continued by raw material planning. The raw material planning is made in economical lot size each order. The Goal Programming model has been applied at PT. Arga Tirta Lestari Pontianak in goals to maximize profit, minimize subcontract product amount, minimize overtime labour cost and minimize inventory amount. The result shows that the Goal Programming model could accomodate three goals that will be achieved by the company, except that goal to minimize inventory amount. The solution provided by the Goal Programming model could reduce the minimize overtime labour cost of the realization by as much as 64%. Least Unit Cost (LUC) and Wagner-Whitin Algorithm (WW) methods give the minimum total cost for logs raw material planning.
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