Penentuan Jumlah Produksi Pulp Pada PT.Toba Pulp Lestari, Tbk. dengan Menggunakan Metode Fuzzy-Mamdani

Abstract

The Problems which appear in the world usually containing uncertainity, fuzzy logic is one method can used to analizing uncertainity system. This research use Mamdani method or the other name is Min-Max method. The data needed in this researh are the Demand at January 2007 until January 2008, the Inventory at January 2007 until January 2008, and the Production at January 2007 until Desember 2007. System of plan to get output do by four stage are : to make fuzzy set, aplication of implication function, rule of compotition, and defuzzyfication. At this research defuzzyfication do by use Centroid method. At this methods value of defuzzyfication move accordance with refined so the alteration at the fuzzy set will move accordance with refined too. From the result of this research have done , with enter input variabel, is the demand at January 2008 is 15106.773 units and the inventory at January 2008 is 859.750 units, so the result which gotten for production at January 2008 is 15500 units.