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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,
/ [5 B; Y; H% c1 V6 ^4 ?9 k$ j 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.
3 R- z0 z' J8 E0 f; ~0 F/ A Loads are processed by each operator for the following time:
1 _: S: l" X- Q Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.2 @8 N) U5 P$ { T1 u G; 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.
7 z* H# \: u, s' F J Worker_C does the job in a uniformly distributed time between 30 and 90 mins.8 q* p! k1 G9 A i7 J. Z: w
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.: y/ o; H k `0 n2 t
0 D4 k ?: `3 t. W+ B2 t问题:0 }" ~0 H9 ^* }: i- o2 @
After running the model for 10,000 days, what was the average number of loads in each process?8 I+ W1 b% _/ r; v
6 `$ W$ e' c" U( _+ [( ?不胜感激! |
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