本帖最后由 GJM 于 2009-12-5 21:43 编辑
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5 D* Z! T2 l6 O- @0 \底下是小弟做AutoMOD里面PDF练习的(Exercise 5.9)逻辑文件但问题是,程序只Run到Machine A和Machine B就没继续下去6 g6 ^! U% e8 Q6 {1 N' }
% f4 n, Z) x5 i' ?1 S# ]: |不知道是哪里出错,另外这题和Exercise7.1的题型类似,请问若要符合Exercise7.1的题意又该如何修改呢?请各位先进指导,谢谢!
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begin P_something arriving O; ]3 m0 ]1 r8 ^' P% ]
move into Q_wait
- E3 ]) N1 R | f5 J1 h6 ~7 S move into nextof(Q_mA,Q_mB,Q_mC)
4 E( j3 i E5 }) s. S, { use nextof(R_mA,R_mB,R_mC) for normal 48, 5 min
+ O( u3 P4 X* T1 Z" i f send to nextof(P_mA_down,P_mB_down,P_mC_down,P_mA_clean,P_mB_clean,P_mC_clean)
3 F' c, E( n3 B9 h; N, T$ J send to die! \) |& v C: d! N
end3 }! ?$ i8 r4 o, H6 _3 f
, f+ e% R& H4 |/ q. X4 |8 [: ubegin P_mA_down arriving) ~6 L! y/ S! R
while 1=1 do
% Y. L% H: Z! }1 G0 ~' V begin
/ X; j6 C" |9 A% J' w) X wait for e 110 min
# `4 U, [ C D+ E take down R_mA
# _/ p2 j! y+ p wait for e 5 min+ \/ e" q" [0 W1 D+ @% {# k
bring up R_mA
2 U8 f9 ~" R/ E5 M3 d end
" Z. ~8 ^$ r/ a Uend
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/ q' \0 F$ ?' L$ bbegin P_mB_down arriving1 \: A) \( U# C. ~* q$ w) ?1 R
while 1=1 do' Q' L, [$ c, C$ w
begin
6 d$ V+ A9 j; ]; R wait for e 170 min. J* `: X( w- f( | V) \# q
take down R_mB8 B- E8 w1 i2 A8 W
wait for e 10 min o! b/ Y) \! O
bring up R_mB) o ^% T3 A: ~, s
end: v; p, `3 N: g9 H+ i
end5 O/ \3 z; F0 k- h( }1 B+ p- j
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begin P_mC_down arriving
/ v6 ?6 p( l1 v+ Y8 y: h F while 1=1 do : Y G8 o7 Y% J$ T+ t% R
begin% `6 C3 G$ ?7 }+ G, N% s/ F/ E
wait for e 230 min
# P+ h5 C8 y% ?' r# Z take down R_mC
* ?; r9 n, F" c y; O3 Z wait for e 10 min' i5 `/ G" b/ r& T, o8 I; v
bring up R_mC3 A- }$ n9 M+ U& o8 V; P
end
- Z' i9 h( n! s; iend
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" ~4 X0 M7 g. T: u& T8 o8 [, |- sbegin P_mA_clean arriving
# {- j" c" o4 P# V: y0 p while 1=1 do) X# E! x5 a. \0 L `
begin
* {/ c; {: [# o. [4 L/ V wait for 90 min& n0 h- D( u( u7 w/ @" h9 B
take down R_mA
; M+ X2 }, M4 u4 H wait for 5 min; l5 u4 i! S/ l# |
bring up R_mA
! P' x" u: j- z! i: M end& U! E& C# {' m
end
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, @8 d, l* z; rbegin P_mB_clean arriving/ a* S6 M: Q k2 t
while 1=1 do5 y9 v) e4 c. Z7 U; [) X+ H" W% A
begin
4 \8 j1 J# Y" A5 f* Q; H wait for 90 min/ c( ^; ~7 m8 f6 S, J
take down R_mB
. S, {; B* p5 W6 \ W wait for 5 min! c6 X" b, M+ q9 {7 `3 v& r
bring up R_mB
( H# f! ?* k+ n0 h! f end$ Z* c" n1 ~1 y) E
end
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begin P_mC_clean arriving
) s' N2 ]' b* S: \( ?+ M0 M while 1=1 do
% |! x1 s1 C# J% t) J8 ~7 q- H6 m begin
5 w* F; `$ M4 r# o5 n: H wait for 90 min
7 A5 `! k% P# | f$ S take down R_mC, o U; Q' {- m
wait for 10 min
6 M8 \& K/ M+ u9 Z: e bring up R_mC
p* N( T3 C( ~+ \" h0 l+ C' ]6 {! U end; ~8 @3 W- v8 w
end: m3 w' _% y2 _$ z! g, T2 [: K: w
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Exercise 5.93 q! g4 K8 D% X6 E3 H
+ \. U. f! s* C: x/ E7 P! s- t: O1 U2 M- O1 a4 x
Create a new model to simulate the following system:
! L& A0 ?. y! `6 o! [; \1 a# [4 Y) j1 PLoads are created with an interarrival time that is exponentially 3 a" ]: I r3 x: `
distributed with a mean of 20 minutes. Loads wait in an infinite-1 U' ` q7 |. \2 h" w
capacity queue to be processed by one of three single-capacity, 0 Q7 O5 ?+ }9 e& k+ u5 G
arrayed machines. Each machine has its own single-capacity queue
) h$ z- ]( X2 D7 A& Q! r0 R% h) Bwhere loads are processed. Waiting loads move into one of the three
* R- u; N! J% L& ~3 k9 d9 u0 |3 v/ zqueues in round-robin order. Each machine has a normally
# |$ o2 _8 {, S7 {distributed processing time with a mean of 48 minutes and a standard 2 }% C0 t- ?' n" l* V
deviation of 5 minutes.
( N: ~$ s# N# t1 nThe three machines were purchased at different times and have * J; e2 _4 c. C! f
different failure rates. The failure and repair times are exponentially 1 B" F* e( B. j9 H$ ], ]3 g' W4 _
distributed with means as shown in the following table: . n6 J2 w' Y8 e# h" J. c
Note The solution for this assignment is required to complete
, v# Z+ I5 f( _" E" z! b: eexercise 7.1 (see “Exercise 7.1” on page263); be sure to save a copy of 1 w5 b* }/ f+ G$ I: ~$ u
your model.
/ }% A& ^+ W- ]& `$ }5 H/ u2 O% U# i m+ ^+ ~' B
MachineMean time to failMean time to repair
# }4 U4 z' Q' g8 |5 ?A110 minutes 5 minutes6 ]- U: E6 ^! T6 @
B 170 minutes 10 minutes% _6 b5 q1 a6 @6 w, V: B; T1 F* e
C230 minutes 10 minutes
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The machines also must be cleaned according to the following
+ J: _4 q4 @3 H: w. q4 u( pschedule. All times are constant: " x' t+ h8 M% b' B: V6 J
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MachineTime between cleanings Time to clean
% J& ]. H$ [3 B2 {A90 minutes 5 minutes$ I3 C/ O; Y1 w: Q: [
B 90 minutes 5 minutes
* C' B5 F$ s2 K1 GC90 minutes 10 minutes+ ~9 { S2 }# x) F9 ?
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Place the graphics for the queues and the resources. + t. b( Q" Z) g$ y: m1 ^
Run the simulation for 100 days.( R( M0 Z- }) N& F
Define all failure and cleaning times using logic (rather than resource # {9 ]- J9 H) u* B) b8 C
cycles). Answer the following questions:6 E! c' L+ n2 y5 p
a.What was the average number of loads in the waiting queue?: i6 j/ A3 d9 ]+ [
b.What were the current and average number of loads in Space?
) {" y5 E, f3 m( DHow do you explain these values? ) W5 j' G1 x6 h' }7 H) t. Q2 c
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