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: 7955|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,
+ p/ Z2 K7 r$ g- F" s/ \8 E9 B1 H  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.
0 v4 Z0 K- [  [  Loads are processed by each operator for the following time:5 \- j" k! i, M+ c+ a
  Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.3 A# a; k8 t/ E
  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.% g1 A+ B5 ^# Y: r
  Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
. l) k0 T& k7 e# l( X7 n7 cSend 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.% Z7 K6 h8 g+ Z* e" K
1 i7 V7 E$ g! h5 q% [: k
问题:' g$ E$ y( {7 @3 [6 i* r8 m0 ~
After running the model for 10,000 days, what was the average number of loads in each process?$ B; I5 m3 D! `" ~% A+ e5 _
, C% J7 D" z5 f" n/ Q) E- t- n$ j, Q
不胜感激!
发表于 2009-10-6 22:36:13 | 显示全部楼层
begin P_A arriving+ M9 c1 q8 Z. V4 L/ d0 S# q
move into Q_wait /*Capacity is infinte*/0 ]0 E( Z6 R  r7 J" v8 g$ G2 T
move into Q_process /*Single capacity*/
( s) b# ]" b, y3 ]) _' H/ a* j6 Z, Q% K
use R_A for n 60,10 min /*Resource A*/
4 E* h. l; ~/ m
+ W7 K" [: |; N7 S6 v; psend to P_B  {, t' d5 Q) Z) ^8 x: i0 N) {
end  Z$ {3 ~& o/ t% O9 l# E% P! f

0 `: N0 Y9 `0 {P_B and P_C is similar
2 F% b' y% I' \triangular 30,60,90 min9 ]7 P0 n/ f" }2 I
u 60,30 min
1 b: ?, H. P0 P, I# c  `- H+ H* `
& _' Z" X! K& X+ E5 \
7 p1 ~4 y$ R3 i+ g* ?in P_C, you need to send to die.# C* l& S5 ~4 P- s' {/ D
- k; R( U  f: j7 K% F" v. l/ e8 {
Then You need to add a L_Control to drive up the whole simulation. and a Run Control of 10000 days.
/ ~. P/ q9 T- S5 F/ d( b' `
  j& m0 T1 t7 w5 v; A
6 j, b  W. ^* tRemember 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, 2026-8-23 08:11 , Processed in 0.015467 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