设为首页收藏本站

最大的系统仿真与系统优化公益交流社区

 找回密码
 注册

QQ登录

只需一步,快速开始

查看: 6197|回复: 2

[求助] 本人初学auto mod,有一道题目希望大家赐教

[复制链接]
发表于 2009-10-3 15:08:34 | 显示全部楼层 |阅读模式
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,, x; _2 G6 g, Y4 C* t# v
  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.1 x% `" X* n) t. K: k: a
  Loads are processed by each operator for the following time:: I; P3 ]/ |+ P; z" o
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
# A6 b/ Y/ P0 ^% w- E" W5 V  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.. H9 w' n' b4 t* p: s
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
/ ]# D' b: e% F& H% K  sSend 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.
3 A! I' O" `2 l3 e3 J0 M* u2 [6 \, A9 t: {
问题:( [# f- V6 S# I% f; V* ]
After running the model for 10,000 days, what was the average number of loads in each process?
  K6 F" d0 A8 s) M6 B, K
3 H0 y4 k. A& S' F, z不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving
! H* w' d0 U5 \' S/ pmove into Q_wait /*Capacity is infinte*// u( x- p4 Z. p3 p- e
move into Q_process /*Single capacity*/. q1 v% R- L8 |8 [' E, X; v
+ b# x$ i7 ?  i$ @, R* F
use R_A for n 60,10 min /*Resource A*/; k2 z7 o) e9 J0 G

) X: [( f' ?4 b9 N+ R7 V! ~/ E: X4 ^send to P_B
2 d" |$ T" d5 p1 ?/ a" yend
* }! Q+ V1 Q1 e  T/ r9 ^
$ ?' d$ y; o- s1 C& S# t! cP_B and P_C is similar! g; p3 A! {! E; A9 e
triangular 30,60,90 min
% H& v$ m, {( H. P: g' l! [. ru 60,30 min; E2 E6 n0 N8 ~9 \" E# [9 L! q

- w# k) @! ?% j# r1 P7 ^9 U9 J/ O9 z, j# b4 a
in P_C, you need to send to die.2 f/ c, k. a8 m4 v2 q: z
# E7 X# x) s  U4 ^- Q& }5 L
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
  [1 j4 ?  D9 r/ O5 V) A: W& G9 S' |
7 ~/ ?' @- {2 j8 \* L8 p+ ?/ W$ R8 W5 ~' a
Remember to turn off the animation before you run your model.

评分

参与人数 1仿真币 +12 收起 理由
shakie + 12

查看全部评分

 楼主| 发表于 2009-10-27 23:53:02 | 显示全部楼层
thanks...
您需要登录后才可以回帖 登录 | 注册

本版积分规则

QQ|Archiver|手机版|SimulWay 道于仿真   

GMT+8, 2026-2-20 00:53 , Processed in 0.016702 second(s), 16 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2017 Comsenz Inc.

快速回复 返回顶部 返回列表