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Title:

Planning and Controlling Projects

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Title: Planning and Controlling Projects Author: Mick Peters Last modified by: Stoney Tsai Created Date: 12/18/1995 12:30:50 PM Document presentation format – PowerPoint PPT presentation

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Title: Planning and Controlling Projects


1
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2
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3
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4
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5
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6
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PERT CPM
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7
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8
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a
c
d
b
e f
g
d
d
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9
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10
??????? (CPM)??
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CPM ????
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11
CPM??????
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12
CPM ????
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  • ?????(??)??,?????
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13
CPM ????
  • ???????(??)
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  • ???? (ES) ??????????????
  • ???? (EF) ?????????????
  • ES ????
  • ???? (LF) ??????????????????????
  • ???? (LS) ?????????????????????
  • LF ????

14
CPM ????
c
a
I
a
a
b
1
?? a ????? b
a?b??????? c?d ??? c?d????
?? a ????? b ? c ?b?c??
a?????????b?c?? b?c?????????d
?? a?b???????c ?? b???????d
a?b??????? c
15
CPM ????
  1. ??CPM???????????????????
  2. ???????????????????(?????????) ?????
    (???????????????)?????????????
  3. ???????????? (EF)
  4. ???????????? (LF)
  5. ?????????
  6. ?????????(ES)???(LS)?????

16
CPM ?????
  • ????????
  • ?????? LF ? LS
  • ???????
  • ?? LS - ES LF - EF

17
CPM ???
  • CPM ??

f, 15
h, 9
g, 17
a, 6
i, 6
b, 8
j, 12
d, 13
c, 5
e, 9
18
CPM ???
  • ?????
  • ?? ????
  • a-f-h 6 15 9 30
  • a-g-i 6 17 6 29
  • b-d-j 8 13 12 33
  • c-e-j 5 9 12 26
  • ??

19
Example Product Design Demo
?? ?????? ????(?)
a. ???? -- 20
b. ???? a 10
c. ???? b 8
d. ?????? a 11
e. ?????? c, d 7
f. ???? e 6
g. ?????? d 12
h. ?????? e 13
i. ?????? g, h 5
a20
b10
c8
e7
f 6
1
2
3
4
6
8
??
h 13
d 11
i 5
g 12
5
7
20
Example Product Design Demo
  • ????????????????

?? ???? (?)
a-b-c-e-f 2010876 51
a-b-c-e-h-i 20108713563
a-d-e-f 20117644
a-d-e-h-i 20117135 56
a-d-g-i 201112548
??? ???
21
Example Product Design Demo
  • EF ? LF ??

38 gt 31
EF
1
2
3
4
6
8
c8
b10
e7
f 6
a20
i 5
??
h 13
d 11
58 gt 43
5
7
g 12
????????(EF)??????????
22
Example Product Design Demo
  • EF ? LF ??

S??/?? EF?????? LF??????
0
0
0
0
12
1
2
3
4
6
8
c8
b10
e7
f 6
a20
i 5
LFh LFi Di 63-558 LFg LFi Di
63558 LFe LFh Dh 58-1345 LFd LFe
De 45-738 LFc LFe De 45 -7 38 LFb
LFc Dc 38 -8 30 LFa LFb Db 30-1020
0
7
??
h 13
0
d 11
15
5
7
g 12
???????????????????
23
Example Product Design Demo
S??/?? EF?????? LF ??????
  • ?? a-b-c-e-h-i

0
0
0
0
12
1
2
3
4
6
8
f 6
a20
b10
c8
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i 5
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7
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h 13
0
d 11
15
5
7
g 12
a-d-g-I ? 2011125 48 ? 63 48 15 ??? ?
7 ??d?g????
24
Example Product Design Demo
  • ES ? LS ??

?? ???? D ???? ES ???? EF ???? LS ???? LF ?? S
a 20 0 20 0 20 0
b 10 20 30 20 30 0
c 8 30 38 30 38 0
d 11 20 31 27 38 7
e 7 38 45 38 45 0
f 6 45 51 57 63 12
g 12 31 43 46 58 15
h 13 45 58 45 58 0
i 5 58 63 58 63 0
ES EF D LS LF D D????
25
PERT vs. CPM
?? ?? CPM PERT
1.??? ????????? ?????????????
2.??? (1)?? ??????????????? ?????? ?????? ??????????
(2)???? ???????? ??????? ????? ??????
(3)?? ????????????? ?????????????????
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26
????? (PERT)
  • ???????,????????????
  • ???? (tp )
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  • ???? (to )
  • ??????????????,??????????? ??? (te ) ???? (Vt
    ).
  • te ( to 4tm tp ) / 6
  • Vt ( tp - to ) / 6 2

27
PERT ???
  • ?CPM??,?????????65??????????????????????3??????

?? ???? to ????? (tm) ???? tp ???? te ( to 4tm tp ) / 6 ??? Vt ( tp - to ) / 6 2
a 18 20 22 20.00 0.44
b 8 10 14 10.33 1.00
c 5 8 9 7.67 0.44
d 10 11 12 11.00 0.11
e 7 7 7 7.00 0
f 4 6 7 5.83 0.25
g 10 12 14 12.00 0.44
h 12 13 15 13.17 0.25
i 5 5 5 5.00 0
28
PERT ???
  • PERT ??

0
0
0
0
12.34
1
2
3
4
6
8
a20
b10.33
c7.67
e7
f 5.83
i 5
0
7
??
0
h 13.17
d 11
15.17
5
7
g 12
a-b-c-e-h-I ?? 63.17
29
PERT ???
  • ????65???????
  • Vpath Va Vb Vc Ve Vh Vi
  • 0.441.00.4400.2502.13
  • spath (a-b-c-e-h-i)1/2 2.131/2
  • 1.46?

30
PERT ???
  • ????65???????
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  • P(z lt 1.25) 0.5 0.3945 0.89435

.39435
.5000
.10565
65 ?
63.17
31
????-?????????
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    ????.

32
????-?????????
  • ???????????,??????????.
  • ????????,??????????.
  • ????????????,??????.

33
?????????
  • Artemis Views (Artemis ????)
  • FastTrack Schedule (AEC ??)
  • Microsoft Project (Microsoft ??
  • Oracle Projects (Oracle ??
  • PowerProject (ASTA ??)
  • Primavera Project Planner (Primavera ??)
  • SuperProject (??????)
  • TurboProject (IMSI)

34
CPM/PERT??
  • ????????.
  • ????????,?????????.
  • ????????????????,????????,????.
  • ????????????.
  • ????????????? CPM/PERT ???.

35
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  2. ?????????????????????????
  3. CPM?PERT??????????
  4. CPM???(????)???(????)???
  5. ??CPM???3????
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