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一个actual cafe shop....
有3个stuff 轮流 帮助客人点单 和收钱。。。但是只有2个收银台,
inter-arrival time 是指 the time between 2 customers standing in the queue
service time 是指 customer standing in front of cashier register.
员工可以在客人排队的时候帮助客人点单,然后准备食物,最后 到cashier register collect money...(员工帮客人点单的时间不包含在service time里)
inter-arrival time is exponential distribution with mean 59.667
service time is Gamma distribution with alpha 2.822 ,beta 29.49
collection period 3677 sec , which has warm up period inclu
write up the system showing how you handled the data collection, formulation of the model, verifiction and validation if needed. analysis the results.
qq: 376529011
[ 本帖最后由 ellahour 于 2008-9-11 15:05 编辑 ] |
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