P08427: LED Lighting Technologies for a Sustainable Entrepreneurial Venture
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Select Product Concept(s)

Table of Contents

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Step 1. Prepare the Selection Matrix

Concept scoring matricies were developed for the finalized concepts using a weighted sum based upon customer needs. The links to each of these selection matrices can be found below.

Combined Systems

Power Module Selection Matrix (excel file)

Power Module

Power Module Selection Matrix (excel file)

Lighting Module

Lighting Module Selection Matrix (excel file)

Step 2. Rate the Concepts

Each team member was asked to complete the weighted concept selection matrix individually. The results were compiled and averaged in the spreadsheets liked below.

Power Module

Team Power Module Rankings(excel file)

Lighting Module

Team Lighting Module Rankings(excel file)

Step 3. Rank the Concepts

While the team did average the ratings for each concept, the team also looked at how each concept was ranked by each member. For example, the "treadle" power module concept may have had one "1st", one "2nd", two "3rd", and two "4th". This was done for each concept to get a sense of how each team member felt about each concept. These rankings were written on a white board and a finalized concept was picked based on team rankings as well as considerable group discussion regarding the pros and cons of each concept. The top concepts were:
Power Module: Community Bike
Lighting Module: Cylindrical Lantern

Step 4. Combine and Improve the Concepts

The team discussed if any of the concepts could be combined or improved in any way. This was particularly helpful with the lighting module concepts. The first idea after looking at the lighting concepts was to make a gooseneck lamp with either a cylindrical or hemispherical base. This concept is show below.
Gooseneck Concept

Gooseneck Concept

After some thinking, the team thought it would be good if the lighting module housing could be made from recycled metal food cans. The team then considered ways of molding the gooseneck design around a can base. After some more thought and discussion, the team found it best not to use a gooseneck, rather attach a handle to the top of the can for the user to place it how they want. This concept is shown below.
Can Light Concept

Can Light Concept

Step 5. Select One or More Concepts

Based upon team ranking and discussions, the follwing concept was selected:
Combination of Concepts

Combination of Concepts

Step 6. Reflect on the Results and the Process

As with any many design processes, even the basic concept can change numerous times. The challenge for the team was to use our best engineering discernment to select the best option based upon may viable options and go with it. This had to be done in a timley fahsion in order to keep the project on track.


Home | Planning | Concept Development | Design | Published Documents | Additional Documentation