Textile Mill Scheduling

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Textile Mill Scheduling Problem formulation • Variable assignment on the length of each fabric produced and purchased: X1 - Length of fabric 1 in Yards produced as dobbie looms X2 - Length of fabric 2 in Yards produced as dobbie looms X3 - Length of fabric 3 in Yards produced as dobbie looms X4 - Length of fabric 4 in Yards produced as dobbie looms X5 - Length of fabric 5 in Yards produced as dobbie looms X6 - Length of fabric 3 in Yards produced as regular looms X7 - Length of fabric 4 in Yards produced as regular looms X8 - Length of fabric 5 in Yards produced as regular looms X9 - Length of fabric 1 in Yards purchased X10 - Length of fabric 2 in Yards purchased X11 - Length of fabric 3 in Yards purchased X12 - Length of fabric 4 in Yards purchased X13 - Length of fabric 5 in Yards purchased • Monthly Data for Scottsville Textile Mill Fabrics Fabric 1 Fabric 2 Fabric 3 Fabric 4 Fabric 5 Demand, D 16,500 22,000 62,000 7,500 62,000 Selling Price, S 0.99 0.86 1.1 1.24 0.7 Variable Cost, V 0.66 0.55 0.49 0.51 0.5 Purchase price, P 0.8 0.7 0.6 0.7 0.7 • Cost Fabric Manufacturing cost (Selling Price- Variable Cost) Purchasing Cost (Selling price- Purchase Price) 1 0.99-0.66= 0.33 0.99-0.8= 0.19 2 0.86-0.55= 0.31 0.86-0.7= 0.16 3 1.1-0.49= 0.61 1.1-0.6= 0.5 4 1.24-0.51= 0.73 1.24-0.7= 0.54 5 0.7-0.5= 0.2 0.7-0.7= 0 • Working Hour in a Month Dobbie: 8 looms x 24 hours x 30 days= 5760 hours Regular: 30 looms x 24 hours x 30 days= 21600 hours • Yard per hour Fabric
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