2-1-10 - Click to edit Master subtitle style Facility...

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Unformatted text preview: Click to edit Master subtitle style Facility Layout Pairwise Exchange To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix Objective: Minimize Distance-based score Layout 1: (equal-sized departments) 1 2 3 4 Total Cost = 10(1) + 15(2) + 20(3) + 10(1) + 5(2) + 5(1) = 125 (1,2) (1,3) (1,4) (2,3) (2,4) (3,4) Pairwise Exchange - Greedy To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix TC (1-2) = {2,1,3,4} = ? TC (1-3) = {3,2,1,4} = ? TC (1-4) = {4,2,3,1} = 120 TC (2-3) = {1,3,2,4} = 120 TC (2-4) = {1,4,3,2} = 105 TC (3-4) = {1,2,4,3} = 125 Layout 1 Select Best Exchange 1 2 3 4 Pairwise Exchange - Greedy To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix TC (1-2) = {2,1,3,4} 10(1) + 15(1) + 20(2) + 10(2) + 5(3) + 5(1) = 105 TC (1-3) = {3,2,1,4} 10(1) + 15(2) + 20(1) + 10(1) + 5(2) + 5(3) = 95 TC (1-4) = {4,2,3,1} = 120 TC (2-3) = {1,3,2,4} = 120 TC (2-4) = {1,4,3,2} = 105 TC (3-4) = {1,2,4,3} = 125 Layout 1 Select Best Exchange Exchange 1 & 3 1 2 3 4 Pairwise Exchange - Greedy To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix TC (1-2) = {3,1,2,4} = 95 TC (1-3) = {1,2,3,4} = ? TC (1-4) = {3,2,4,1} = 110 TC (2-3) = {2,3,1,4} = ? TC (2-4) = {3,4,1,2} = 105 TC (3-4) = {4,2,1,3} = 105 Layout 2, TC = 95 Select Best Exchange 1 2 3 4 Pairwise Exchange - Greedy To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix TC (1-2) = {3,1,2,4} = 95 TC (1-3) = {1,2,3,4} = 125 TC (1-4) = {3,2,4,1} = 110 TC (2-3) = {2,3,1,4} = 90 TC (2-4) = {3,4,1,2} = 105 TC (3-4) = {4,2,1,3} = 105 Layout 2, TC = 95 Select Best Exchange Exchange 2 & 3 1 2 3 4 Pairwise Exchange - Greedy To/ From 1 2 3 4 1- 10 15 20 2-- 10 5 3--- 5 4---- Material Flow Matrix 2 3 1 4 TC (1-2) = 95 TC (1-3) = 120 TC (1-4) = 125 TC (2-3) = 105 TC (2-4) = 100 TC (3-4) = 95 Layout 3, TC = 90 No improvement possible Finished at BEST layout with TC = 90 Improvement Methods BLOCPLAN BLOCPLAN Relationship chart or From-to chart as input data Can be used as a construction type or improvement type algorithm (may not be possible to capture the exact layout) The layout cost can be determined by: distance-based objective, or adjacency-based objective Continuous representation Stores Milling Turning Press Plate Assembly Warehouse 12 6 9 1 4 7 2 3 4 3 1 1 3 1 4 3...
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2-1-10 - Click to edit Master subtitle style Facility...

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