In order to finish in a timely manner we created a Gantt chart to make sure we met the deadline.
Week 1 Week 2 Week 3 Week 4 Week 510-Sep 17-Sep 24-Sep 1-Oct 4-Oct
Customer InterviewsNeed StatementsNeed Assessment
Concept GenerationConcept Development
Concept Screening Concept Selection
Design Proposal/ Report
Though we mostly worked together, each team member had individual tasks that he or she focused on.
Melissa Cardoso Chris Lazar Megan Doerzbacher Kyle SamProblem StatementsMarket Assessment
MindmappingWork Breakdown Structure
Progress LogToothbrush Dissestion Discussion
Sketch of a prototype and create a SolidWorks project Human Variability- Use and target market
Summary of the projectCollect 5-7 main objectives for the redesignComparison for weighting these objectives
Final Report
We gathered information in regards to customer needs by interviewing both children and parents.
Need/Wants Number of peopleChild has to use it without diffi culty 9Durabitlity should be long 4Reasonable price of toothbrush 6Easy to move and hold 12Operating noise sounds more pleasant 6Different settings for different strengths in brushing 2Easy to store 1Handle is more proportional to childs hands 5More colors and patterns to grab attention 4Longer battery life 5Diversity in how to power and charge it 2Cleans unders braces 1Appropiate head size 2Toothpaste dispenser 1
With their needs we then organized it into a hierarchy to determine which ones would be most important.
Long battery
Easy to Clean
Easy to hold in hand
Lightweight
Attractive casing
Efficient charging deck/ rechargable
Soft bristles
Toothpaste dispenser
0 10 20 30 40 50 60
# of People
# of People
Using customer needs we formulated some concepts encompassing different features requested.
Concepts
Thinner handle
Rechargeable battery with charging dock
Two oscillating heads
Quiet
Circular base
Plays music
ON button is larger than OFF button; ON button is above OFF button
Bending head
Easy to handle
Lightweight
Soft bristles
Timer
With the concept selection chart we were able to narrow down the criteria for our toothbrush redesign.
1 2 3 4 5 6 7 8 9 REFSimple Controls + - - - + + + + - 0Lightweight 0 0 0 0 0 0 0 0 0 0TImer 0 0 0 + + 0 0 0 + 0Easy to Hold in Hand + + + + + 0 - + + 0Soft Bristles 0 0 0 0 0 0 0 0 0 0Quiet + + + 0 + + + + 0 0Cleans Under Braces 0 + + 0 + 0 + + 0 0Attractive Casing 0 0 0 0 0 0 0 0 0 0Plays Music 0 0 + 0 + + 0 0 0 0Long Battery Life + 0 0 + 0 + + 0 0 0Efficient Recharging + 0 0 + 0 + + 0 0 0Pluses 5 3 4 4 6 5 5 4 2 0Same 6 7 6 6 5 6 5 7 8 11Minuses 0 1 1 1 0 0 1 0 1 0Net 5 2 3 3 6 5 4 4 1 0Rank 3 8 6 7 1 2 4 5 9 10Continue? no no no no yes yes no no no No
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