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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,
& R4 Z* N3 o7 H9 v/ E9 L& r 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.
Y3 g+ s/ s4 G0 G6 h$ E/ a Loads are processed by each operator for the following time:
8 s$ }- n* `# Y+ v/ w. z Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
/ ~/ h4 P7 }9 P: r 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.. e m4 i, o# A0 o }6 Z1 |( P
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
' ~! C3 z& m. u- nSend 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.- Z( D' G9 c/ F
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问题:
0 W; v" W3 o" m" MAfter running the model for 10,000 days, what was the average number of loads in each process?5 B( j9 e! T' p* j; W! H# R
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不胜感激! |
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