Sequencing

Sequencing Pavan Karva Rashmi Navaghane

PROBLEM 1 ,[object Object],[object Object],Job 1 2 3 4 5 6 Machine A 8 10 11 12 16 20 Machine B 7 15 10 14 13 9

Solution ,[object Object],[object Object],[object Object],Job 1 2 3 4 5 6 Machine A 8 10 11 12 16 20 Machine B 7 15 10 14 13 9 Job 2 1 6 5 4 3

Continue… ,[object Object],[object Object],Machine A Machine B Sequence Start time Add Time taken End time Start time Add Time taken End time 2 0 + 10 10 10 + 15 25 3 10 + 11 21 25 + 10 35 4 21 + 12 33 35 + 14 49 5 33 + 16 49 49 + 13 62 6 49 + 20 69 69 + 9 78 1 69 + 8 77 78 + 7 85 Total Time 77 68

Continue… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PROBLEM 2 ,[object Object],[object Object],Job 1 2 3 4 5 Machine A 10 11 8 7 6 Machine B 6 4 5 3 2 Machine C 9 5 4 6 8

Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Job 1 2 3 4 5 Machine A 10 11 8 7 6 Machine B 6 4 5 3 2 Machine C 9 5 4 6 8

Continue…. ,[object Object],[object Object],Job New M/c 1 New M/c 2 P(A+B) New time P(B+C) New time 1 10+6= 16 6+9= 15 2 11+4= 15 4+5= 9 3 8+5= 13 5+4= 9 4 7+3= 10 3+6= 9 5 6+2= 8 2+8= 10 Job 1 2 3 4 5 New M/c 1 16 15 13 10 8 New M/c 2 15 9 9 9 10

Continue….. ,[object Object],[object Object],[object Object],Job 1 2 3 4 5 New M/c 1 16 15 13 10 8 New M/c 2 15 9 9 9 10 Job 3 4 2 1 5

Other Possible Sequences Job 5 4 1 2 3 Job 5 4 1 3 2

Continue… ,[object Object],Machine A Machine B Machine C Sequence Start time Total time End time Start time Total time End time Start time Total time End Time 5 0 6 6 6 2 8 8 8 16 3 6 8 14 14 5 19 19 4 23 1 14 10 24 24 6 30 30 9 39 2 24 11 35 35 4 39 39 5 44 4 35 7 42 42 3 45 45 6 51 TOTAL TIME 42 20 29

Continue… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PROBLEM 3 ,[object Object],Job M1 M2 M3 M4 A 13 8 7 14 B 12 6 8 19 C 9 7 5 15 D 8 5 6 15 MACHINES

Continue… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Job M1 M2 M3 M4 A 13 8 7 14 B 12 6 8 19 C 9 7 5 15 D 8 5 6 15

Continue… ,[object Object],[object Object],JOB MACHINES 5 MACHINES 6 P(M1+M2+M3) NEW TIME P(M2+M3+M4) NEW TIME A 13+8+7 28 8+7+14 29 B 12+6+8 26 6+8+19 33 C 9+7+5 21 7+5+15 27 D 8+5+6 19 5+6+15 26 Job A B C D New M/c 5 28 26 21 19 New M/c 6 29 33 27 26

Continue… ,[object Object],[object Object],[object Object],Job A B C D New M/c 5 28 26 21 19 New M/c 6 29 33 27 26 C A B D JOB

Elapsed time calculation ,[object Object],Machine 1 Machine 2 Machine 3 Machine 4 S.Q ST TT ET ST TT ET ST TT ET ST TT ET D 0 8 8 8 5 13 13 6 19 19 15 34 B 8 12 20 20 6 26 26 8 34 34 19 53 A 20 13 33 33 8 41 41 7 48 53 14 67 C 33 9 42 42 7 49 49 5 54 67 15 82 T.T 49 26 26 63

Continue… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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