Decision Making Matrix Taking a Close Look at Preliminary Ideas.
-
date post
19-Dec-2015 -
Category
Documents
-
view
215 -
download
0
Transcript of Decision Making Matrix Taking a Close Look at Preliminary Ideas.
Develop a Decision Matrix
A decision matrix is used to compare design solutions against one another, using specific criteria that are often based on project requirements.
Foam Blocks• Expensive• Reusable• Require 2-sided tape• Fall apart easily• Imprecise geometry
Idea #5
Sugar Cubes• Cheap• Readily available• Require glue• Have messy granules• Fairly uniform geometry
Idea #6
Identifying Criteria
•Cost
•Reusability
•Geometry
•Connections
•Cleanliness
•Resilience
•Testability
Other Types of Criteria
•Function
•Product life span
•Development time
•Size
•Material costs
•Development costs
•Manufacturing costs
•Company standards
•Manufacturing capabilities
•Safety
Develop a Decision Matrix
A grading scale must be developed to assign values for each criteria category.
Rank ScaleQuestion
Scale
Ranking The Alternatives
23
1
4
14
21
2
2
21
12
4
4
33
221
2
11
12
3
4
32
11
2
4
23
11
4
2
23
1012
17
22
1417