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The IT systems aiding the management of production processes - MRP

100%

Kozik P.

tom z. 68 [231]

109-114

The paper presents results the trend towards the development and change within the IT Systems of Managing Production Processes of MRP/ERP. With the advent of technology, manufacturing companies have found themselves in stiffer competitive grounds competing in terms of reduced costs and better quality. One cost item that companies continously try to reduce is inventory cost. Several manufacturing techniques have been introduced to address this, one of which is the concept Materials Requirements Planning (MRP).

Aircraft engine overhaul demand forecasting using ANN

63%

Kozik P. , Sęp J.

tom Vol. 3, No. 2

21-26

Due to the unpredictable nature for aircraft maintenance repair parts demand, MRO (Maintenance, Repair, Overhaul) business perceive difficulties in forecasting and are currently looking for a superior forecasting solution. This paper deals with techniques applicable to predicting spare part demand replacement during helicopter PZL 10W engine overhaul - operating according to hard - time. The experimental results show new forecasting method based on hard - time as the predicted time of required demand and ANN technique as forecasting models predicted numbers of spare parts. The evolution for a new forecasting method, which will be a predictive error-forecasting model which compares and evaluates forecasting methods, based on their factor levels when faced with intermittent demand show as possibility of big changes in MRO lean manufacturing. The results confirm the continued superiority of the new method, whereas, most commonly leveraged methods such as moving average used by MRO business are found to be questionable, and consistently producing poor forecasting performance.

Palaemon elegans - a new component of the Gulf of Gdańsk macrofauna [commun.]

51%

Janas U. , Zarzycki T. , Kozik P.

2004

tom No. 46 (1)

143-146

The present paper reports on the occurrence of the prawn Palaemon elegans Rathke in the coastal waters of the Gulf of Gdańsk in the years 2002-2003, and in other regions of the Baltic Sea as recorded by various authors.