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4QA3 F12 Week 12 Lecture Notes

# Gandomi 16 data locations demand vehicles 1 identify

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Unformatted text preview: Gandomi 18 1. Distance matrix DC Customer 1 Customer 2 Customer 3 Customer 4 Customer 5 Customer 1 12 0 Customer 2 15 17 0 Customer 3 17 8 14 0 Customer 4 15 9 11 4 0 Customer 5 16 17 30 24 25 4QA3 F12 A. Gandomi 0 19 2. Savings matrix Customer 1 Customer 2 Customer 3 Customer 4 Customer 5 Customer 1 Customer 2 10 0 Customer 3 21 18 0 Customer 4 18 19 28 0 Customer 5 4QA3 F12 0 11 1 9 6 A. Gandomi 0 20 3. Routing Highest Saving Route Load Feasible? 28 (3&4) 3 and 4 36 + 72 = 108 Y 21 (1&3) 1, 3 & 4 108 + 40 = 148 Y 19 (2&4) 1, 2, 3 & 4 148 + 136 > 200 N 18 (2&3) 1, 2, 3 & 4 >200 N 18 (1&4) already assigned 11 (1&5) 1, 3, 4 & 5 148 + 47 = 195 Y Truck 1: 1, 3, 4 & 5 Truck 2: 2 4QA3 F12 A. Gandomi 21 ●  Sweep a line from any point in grid and select customers in the order they are encountered. ●  Start at DC and at each step add closest customer. ●  Several other methods. 4QA3 F12 A. Gandomi 22 18 16 Cust 3 (7,15) 14 12 Cust1 (0,12) Cust4 (9,12) 10 Y 8 6 Cust5 (-15,5) Cust2 (15,3) 4 2 DC (0,0) 0 -18 -16 -14 -12 -10 -8 -6 -4 -2 Truck 1: DC- 4- 3- 1- 5- DC, length: 60 km 4QA3 F12 0 X A. Gandomi 2 4 6 8 10 12 14 16 18 Truck 2: DC- 2- DC, length: 30 km 23 18 16 Cust 3 (7,15) 14 12 Cust1 (0,12) Cust4 (9,12) 10 Y 8 6 Cust5 (-15,5) Cust2 (15,3) 4 2 DC (0,0) 0 -18 -16 -14 -12 -10 -8 -6 -4 -2 Truck 1: DC- 1- 3- 4- 5- DC, length: 65 km 4QA3 F12 0 X A. Gandomi 2 4 6 8 10 12 14 16 18 Truck 2: DC- 2- DC, length: 30 km 24 ●  Course textbook o  Chapter 6: 6.1–6.4; 6.6- 6.10. ●  Suggested problems o  Chapter 6: 6, 7, 16, 17. ●  Further Readings o  Jay Heizer & Barry Render, Operations Management (Prentice Hall): Chapter 11. o  William Stevenson, Operations Management (McGraw- Hill): Chapter 15. 4QA3 F12 A. Gandomi 25...
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