Identifikasi Faktor Kegagalan Hasil Produksi Busa dengan Sistem Pakar Metode Dempster Shafer dan Certainty Factor

Foam is a derivative product made from PPG (Propylene Glycol) or Polyether Polyol which then mixed with additives and catalysts. So it will produce foam that used in the springbed mattress industry. The produced first by using mixer machine. After mixer, dispensing be carried out (pouring material into mold) blown off production process complete. Failure to often results losses terms of raw materials, costs, time. To avoid failure same production, research was designing an expert system application aims able identify factors causing reduce risk production. data needed this study were obtained PT Bungo Permai Lestari. processed Dempster Shafer method Certainty Factor method. are provide output form certainty values as well solutions through consultation selecting symptoms match results. can help Lestari find causes during