The space available for the production line is very limited, and as a result the line can ac-commodate only five trailers. This means that there is no room for any buffer zones between the steps of the process. As each trailer is finished, it is moved to the storage yard.
The management now wish to conclude contract negotiations with potential buyers, leading to long term commitments for quantities to be supplied. However, the capacity for the new line is unknown, and a realistic estimate of this on a weekly basis is required.
1.3 Assignments
1. On the basis of the case study information, try to make an estimate for the capacity per week, and explain how you reach this conclusion.
2. Create a simulation model to determine the weekly production and make an experi-ment with a warm up period of one week and a measurement period of 10 weeks. Do your results correspond to your estimation? What is the cause of possible differences? (flowshop1.mod)
3. The management wants to compare the following two strategies:
Strategy 1
Reduction of the average repair time of the robots to 3 minutes (flowshop2.mod).
Strategy 2
Extension of the assembly line by adding 2 buffer zones, each with enough space for one trailer (flowshop3.mod).
NB: Several choices are possible; try to make the right choice according to logistics principles!
The space available for the production line is very limited, and as a result the line can ac-commodate only five trailers. This means that there is no room for any buffer zones between the steps of the process. As each trailer is finished, it is moved to the storage yard.The management now wish to conclude contract negotiations with potential buyers, leading to long term commitments for quantities to be supplied. However, the capacity for the new line is unknown, and a realistic estimate of this on a weekly basis is required.1.3 Assignments1. On the basis of the case study information, try to make an estimate for the capacity per week, and explain how you reach this conclusion.2. Create a simulation model to determine the weekly production and make an experi-ment with a warm up period of one week and a measurement period of 10 weeks. Do your results correspond to your estimation? What is the cause of possible differences? (flowshop1.mod)3. The management wants to compare the following two strategies:Strategy 1Reduction of the average repair time of the robots to 3 minutes (flowshop2.mod).Strategy 2Extension of the assembly line by adding 2 buffer zones, each with enough space for one trailer (flowshop3.mod).NB: Several choices are possible; try to make the right choice according to logistics principles!
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