Concept Generation 2.8 – Select a Design
1) Pugh Chart – SA
2) Refined C-Sketch
3) Reflection
What have we done? What’s next?
Pugh Charts
Each other column
represents a concept under consideration The first column represents
your “reference object”
Each row represents a criterion for evaluating the concepts.
Weight Cost
Speed TOTAL
Current laptop
Laptop A
Battery
Laptop B
Laptop C
A number is entered in each cell according to whether a choice is:
• better than the original (+1)
• the same as the original (0)
• worse than the original (-1).
0 0
0 0
+1 -1
0 +1
-1 -1
+1 0
+1
+1 -1
+1
0 +1 -1 +2
Laptop C is the best choice.
Pugh Charts: Transportation
Possible choices for how to get to school
Ride Time Cost Safety Eco-friendliness
Other criteria?
Select Your Concept
Identify your top 3-4 redesigns from your groups’ C- Sketches.
Identify the criterion that you or your customers value.
Create and complete a Pugh Chart for your concepts
Identify the redesign your group chose.
Provide rationale as to why this design as chosen.
How do the features of your design address customer
needs?
Customer Needs
In determining the criterion one evaluates a
flashlight on, consider the interpreted customer needs:
1.
Brighter Light
2.
Quieter Crank
3.
Easier Crank
4.
Longer Battery
5.
Durability
6.
Aesthetically Pleasing
Refined C-Sketch
Sketch the design your group chose.
Be sure to include:
1.
Multiple Viewpoints
2.
Labeled Features
3.
Dimensions
4.
Size of parts relatively to scale.
Types of Redesign
Parametric redesign
Changes to design variables (e.g., size, materials)
Adaptive redesign
Significant changes to one function or
adding a function, but majority of product unchanged
Original redesign
Significant changes to many functions
Least like new product design
Some similarities with new product design
Most like new product design
