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1、To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.To Accompany Kra

2、jewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00Example D.1To Accompany Krajewski & Ritzman Ope

3、rations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00Average weekly production requirements =Example D.1To Accompany Krajewski &

4、amp; Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00Average weekly production requirements = 200(0.05)Example D

5、.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00Average weekly production require

6、ments = 200(0.05) + 250(0.06) Example D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Tot

7、al1.00Average weekly production requirements = 200(0.05) + 250(0.06) + 300(0.17) + + 600(0.02) = 400 hoursExample D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)

8、Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00Average weekly production requirements = 400 hoursExample D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductio

9、nRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursExample D.1To Accompany Krajewski & Rit

10、zman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 mac

11、hines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursAverage weekly operating machine hours =Example D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeR

12、equirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursAverage weekly operating machine hours = 320(0.30)Exa

13、mple D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr

14、)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursAverage weekly operating machine hours = 320(0.30) + 360(0.40) +Example D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 P

15、rentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements

16、= 400 hoursAverage weekly operating machine hours = 320(0.30) + 360(0.40) + 400(0.30)Example D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.

17、063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursAverage weekly operating machine hours = 320(0.30) + 360(0.40) + 400(0.30) = 360 hoursExam

18、ple D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)

19、Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Average weekly production requirements = 400 hoursAverage weekly operating machine hours = 360 hoursExample D.1To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, I

20、nc. All rights reserved.WeeklyProductionRelativeRequirements (hr)Frequency2000.052500.063000.173500.054000.304500.155000.065500.146000.02 Total1.00RegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40 400 (10 machines)0.30Example D.1Average weekly production requirements = 40

21、0 hoursAverage weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.

22、Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30T

23、able D.1Event Weekly Demand (hr)ProbabilityTo Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 m

24、achines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly Demand (hr)Probability2000.052500.063000.173500.054000.304500.155000.065500.146000.02To Accomp

25、any Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly oper

26、ating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.052500.063000.173500.054000.304500.155000.065500.146000.02To Ac

27、company Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly

28、operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500042500.0605103000.1711273500.0528324000.3033624500.1563

29、775000.0678835500.1484976000.029899To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)

30、0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500043200.302500.0

31、605103600.403000.1711274000.303500.0528324000.3033624500.1563775000.0678835500.1484976000.029899To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelat

32、iveCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityN

33、umbersCapacity (hr)ProbabilityNumbers2000.0500043200.3000292500.0605103600.4030693000.1711274000.3070993500.0528324000.3033624500.1563775000.0678835500.1484976000.029899To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All right

34、s reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 mac

35、hines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500043200.3000292500.0605103600.4030693000.1711274000.3070993500.0528324000.3033624500.1563775000.0678835500.1484976000.029899Simulation ProcessTo Accompany Krajewski & Ritzman Ope

36、rations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hours

37、RegularRelativeCapacity (hr)Frequency360 (9 machines)0.30 400 (10 machines)0.40 440 (11 machines)0.30Table D.1Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500043200.3000292500.0605103600.4030693000.1711274000.3070993500.0528324000.3033624500.156377

38、5000.0678835500.1484976000.029899Simulation Process1. Draw a random number.2. Find the random number interval for production.3. Record the production hours.4. Draw another random number.5. Find the random number interval for capacity.6. Record the capacity hours.7. If CAP PROD, then IDLE HR = CAP PR

39、OD.8. If CAP 100, then OVERTIME HR = 100and SUBCONTRACT HR = SHORT 100.9. Repeat steps 18 to simulate 20 weeks.To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 ho

40、ursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30400 (10 machines)0.40440 (11 machines)0.30Table D.2Event Weekly RandomWeeklyRandomDemand (hr

41、)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500-043200.3000-292500.0605-103600.4030-693000.1711-274000.3070-993500.0528-324000.3033-624500.1563-775000.0678-835500.1484-976000.0298-99Simulation Process1. Draw a random number.2. Find the random number interval for production.3. Record the

42、production hours.4. Draw another random number.5. Find the random number interval for capacity.6. Record the capacity hours.7. If CAP PROD, then IDLE HR = CAP - PROD.8. If CAP 100, then OVERTIME HR = 100and SUBCONTRACT HR = SHORT - 100.9. Repeat steps 1-8 to simulate 20 weeks. 10 MachinesExistingDem

43、andWeeklyCapacityWeeklySub-RandomProductionRandomCapacityIdleOvertimecontractWeekNumber(hr)Number(hr)HoursHoursHoursTo Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 4

44、00 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average weekly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30400 (10 machines)0.40440 (11 machines)0.30Table D.2Event Weekly RandomWeeklyRandomDeman

45、d (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500-043200.3000-292500.0605-103600.4030-693000.1711-274000.3070-993500.0528-324000.3033-624500.1563-775000.0678-835500.1484-976000.0298-99Simulation Process1. Draw a random number.2. Find the random number interval for production.3. Record

46、 the production hours.4. Draw another random number.5. Find the random number interval for capacity.6. Record the capacity hours.7. If CAP PROD, then IDLE HR = CAP - PROD.8. If CAP 100, then OVERTIME HR = 100and SUBCONTRACT HR = SHORT - 100.9. Repeat steps 1-8 to simulate 20 weeks. 10 MachinesExisti

47、ngDemandWeeklyCapacityWeeklySub-RandomProductionRandomCapacityIdleOvertimecontractWeekNumber(hr)Number(hr)HoursHoursHours17145050360902684505436090348400113208049960036360100140564450824005061330087400100736400413604085840071400913300003202010935506036010090Total490830360 Weekly average24.541.518.0T

48、o Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Sixth Edition 2002 Prentice Hall, Inc. All rights reserved.Average weekly production requirements = 400 hoursRegularRelativeCapacity (hr)Frequency320 (8 machines)0.30360 (9 machines)0.40400 (10 machines)0.30Average wee

49、kly operating machine hours = 360 hoursRegularRelativeCapacity (hr)Frequency360 (9 machines)0.30400 (10 machines)0.40440 (11 machines)0.30Table D.2Event Weekly RandomWeeklyRandomDemand (hr)ProbabilityNumbersCapacity (hr)ProbabilityNumbers2000.0500-043200.3000-292500.0605-103600.4030-693000.1711-2740

50、00.3070-993500.0528-324000.3033-624500.1563-775000.0678-835500.1484-976000.0298-99Simulation Process1. Draw a random number.2. Find the random number interval for production.3. Record the production hours.4. Draw another random number.5. Find the random number interval for capacity.6. Record the cap

51、acity hours.7. If CAP PROD, then IDLE HR = CAP - PROD.8. If CAP 100, then OVERTIME HR = 100and SUBCONTRACT HR = SHORT - 100.9. Repeat steps 1-8 to simulate 20 weeks. 10 MachinesExistingDemandWeeklyCapacityWeeklySub-RandomProductionRandomCapacityIdleOvertimecontractWeekNumber(hr)Number(hr)HoursHoursHours1714505036090268450543609034840011320804996003636010014

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