Prezentace aplikace PowerPoint

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Project Management
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____________________________ Operations
Research ? Jan Fábry
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Project Management

• Project

Activity 5
Activity 2
Activity 1
Activity 7
Activity 3
Activity 4
Activity 6
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Research ? Jan Fábry
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Project Management
NETWORK graphical representation of the project
Activity ? Node
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Research ? Jan Fábry
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Project Management
NETWORK graphical representation of the project
Activity ? Arc
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Research ? Jan Fábry
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Project Management

• Event

Activity ADesign a car
Activity BMake a prototype
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Research ? Jan Fábry
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Project Management
Activity A immediately PRECEDES activity B
Activity B immediately SUCCEEDS activity A
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Research ? Jan Fábry
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Project Management
Activity A is the predecessor of Activity B and C
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Research ? Jan Fábry
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Project Management
Activity E (Prototype test) follows Activity B
Activity D (Prototype presentation) follows
Activity B and C
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Research ? Jan Fábry
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Project Management
Activity Requirements
- time
- money (cost)
- material
- machines
- people
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Research ? Jan Fábry
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Project Management
Phases of Project Management
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Research ? Jan Fábry
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Project Management
Methods
Deterministic time
Probabilistic time
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Research ? Jan Fábry
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Project Management
CPM
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Research ? Jan Fábry
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Project Management
CPM

• Finish time of the project

• Start and finish times of each activity

• A critical path consisting of critical activities

• Non-critical activities and their possible delay

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____________________________ Operations
Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.

• Christmas compilation of Czech carols

• 11 activities

1) Songs Selection
2) Mastering
3) Promotion Material Elaborating
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.

• 11 activities

4) Customers Analysis
5) Promotion Material Production
6) Make CD Copies
7) Customers Selection
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.

• 11 activities

8) Data to Printing House
9) Promotion Material to Printing House
10) Laser Print
11) Mailing
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
Activity Description Duration Predecessors
A Songs Selection 15 None
B Mastering 8 A
C Promotion Material Elaborating 6 A
D Customers Analysis 7 A
E Promotion Material Production 4 C, D
F Promotion Material to PH 5 E
G Customers Selection 3 D
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
Activity Description Duration Predecessors
H Make CD Copies 12 B, D
I Data to PH 3 G
J Laser Print 9 F, I
K Mailing 8 H, J

• All the envelopes have to be delivered until
  December 12

• Objective set the starting date of the project

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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
Solution - CPM
1) Construct the network
2) Event analysis
- forward pass
- backward pass
3) Activity analysis
- critical activities
- noncritical activities
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
1) Construct the network
One start node one end node
Each activity ? one arc
Two nodes are connected maximally by one arc
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
1) Construct the network
i lt j
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
Activity Description Duration Predecessors
A Songs Selection 15 None
B Mastering 8 A
C Promotion Material Elaborating 6 A
D Customers Analysis 7 A
E Promotion Material Production 4 C, D
F Promotion Material to PH 5 E
G Customers Selection 3 D
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____________________________ Operations
Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
Activity Description Duration Predecessors
H Make CD Copies 12 B, D
I Data to PH 3 G
J Laser Print 9 F, I
K Mailing 8 H, J
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____________________________ Operations
Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
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____________________________ Operations
Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
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____________________________ Operations
Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
2) Event analysis - forward pass
The earliest event time for a node is the
earliest time at which all the preceding
activities have been completed.
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
2) Event analysis - forward pass
Ascending order
ET1 ? ET2 ? ET3 ? ? ETn
The earliest event time for completing a project
is the earliest time of the last event.
T ETn
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
2) Event analysis - backward pass
The latest event time for a node is the latest
time at which the event can occur without
delaying the determined completion time of the
project.
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
2) Event analysis - backward pass
Descending order
LT1 ? LT2 ? LT3 ? ? LTn
The latest event time for completing a project
can be set in the planning process or can be
considered as the earliest event time for
completing a project.
LTn T ETn or LTn TPL gt T
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
3) Activity analysis
Total float
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
3) Activity analysis
Critical activity
TFij 0
if LTn T ETn
TFij TPL - T
if LTn TPL gt T
Noncritical activity
TFij gt 0
if LTn T ETn
TFij gt TPL - T
if LTn TPL gt T
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
3) Activity analysis
Critical path
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Research ? Jan Fábry
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Project Management
CPM
Example - Music DM, Inc.
3) Activity analysis
Noncritical activity
1) Start of the activity can be postponed
2) Duration of the activity can be extended
3) Combination of 1 and 2
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Research ? Jan Fábry