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刚刚开始学auto mod,这道题目搞不明白,希望大家看看 题目是这样的,
( t9 G B6 E7 z9 p( _ Create a new model containing three independent processes, each with one operator. In each process, loads first move into an infinite capacity waiting queue, then into a single-capacity processing queue.
$ _5 m# q& k. }* O, `% l$ m Loads are processed by each operator for the following time:, ]) D* O0 O" Y& U3 w
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
; j: v; q: c `0 t. v, x Worker_B does the job according to a triangular distribution with a min of 30 mins, most likely value of 60 mins, and a max of 90 mins.1 H6 B O5 W9 s3 d l8 m
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.' z. Q$ D6 w, W9 T! E7 R$ P+ N
Send loads to each pocess at the same rate (an exponentially distributed inter-arrival time with a mean of 68 mins) to understand the difference in the processing times of the three workers.
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% z9 |) j. r8 Y8 Y9 J" ^$ H! }+ ?问题:
$ m5 W2 O4 C9 \9 W3 cAfter running the model for 10,000 days, what was the average number of loads in each process?
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6 E/ y# c7 Y, d: t: @$ p不胜感激! |
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