Project 1
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Project 1. Laura Gibbons Andy Lee Neil Kruse Mack Burgess Aka. (scrubs) February 27, 2012. Sequence of Activities. Examine Toothbrush List important functions of the toothbrush Survey people on what they believe are most important Analyze results Benchmarking Dissection

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Project 1

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Project 1

Project 1

Laura Gibbons

Andy Lee

Neil Kruse

Mack Burgess

Aka. (scrubs)

February 27, 2012


Sequence of activities

Sequence of Activities

  • Examine Toothbrush

  • List important functions of the toothbrush

  • Survey people on what they believe are most important

  • Analyze results

  • Benchmarking

  • Dissection

  • Concept Generation

  • Group collaboration on concepts

  • Progress Report

  • Pugh Chart


Project management

Project Management

  • We created out copy of project management charts in excel and were able to keep up to date with the dates we had decided on as benchmarks for each part of the project.


Project 1

After analyzing these results we decided that we have to make a more efficient electric toothbrush that is low in cost and eco-friendly. We saw these as having the highest ratings when we gave out our survey, which showed that these are the things customers really care about


External search activities

External Search Activities

  • We used most of the websites to answer questions for the labs that we did. We had to research other brands of electric toothbrushes, patents on existing ideas, different ways we could incorporate sustainability, and how to generate power.

  • http://www.oralb.com/products/cross-action-power-max-whitening/

  • http://www.oralb.com/products/buynow.aspx?sku=069055837580&productId=capowermaxwhite

  • http://www.envirogadget.com/solar-powered/soladey-solar-powered-toothbrush-that-eliminates-need-for-toothpaste/

  • http://www.coated.com/wp-content/uploads/2010/09/solar-toothbrush.jpg

  • http://www.connect-green.com/wp-content/uploads/2010/08/how-the-brush-works.jpg

  • www.ehow.comhttp://www.greenguidenetwork.com/article-detail/May-17-2010---The-7-Types-of-Plastic--What-They-Mean-To-Your-Heatlh.-202/http://www.answers.com/topic/mechanical-advantage

  • https://mail-attachment.googleusercontent.com/attachment?ui=2&ik=6f89341ef2&view=att&th=13566a401e1930a8&attid=0.1&disp=inline&realattid=f_gyh11s090&safe=1&zw&saduie=AG9B_P_p5qwIE2qCLfVEHEU4THRO&sadet=1328984423766&sads=7ccnZRWzhrsprELNaxg765gAfUA&sadssc=1

  • http://www.lesson.com/

  • http://science.howstuffworks.com//cannon-challenge-game.htm

  • http://en.wikipedia.org/wiki/Electric_motor


Top concepts

Top Concepts

  • Power Generation and accessories Solar panel on toothbrush (bottom), Solar panel that goes on window, USB connection to wall, Shake charge, Turbine that connects to faucet and connects to brush charge dock

  • Brush Head DesignOpposite rotating heads, Flexible head for different angles for hard to reach places, Circular head and rectangular bottom, Inner rotating bristles with opposite rotating bristles around, Full 360 degree brush

  • Energy Mechanism for Brush HeadConnect motor directly to bristle, Motor close to head and connects 90 degrees to bristle, Almost same as Oral-B but with a twist, Finger brushTwo heads one motor

  • Human Factors, Body DesignRubber seals/ gaskets around everything that water could get into, Form fitting for hand, Simple replaceable partsFinger brush, Gorilla glass touch screen with unlock to start and timer on itAntibacterial materials to help keep sanitaryDrop resistance up to 6 feet


Visual concepts

Visual Concepts


Visual concepts1

Visual Concepts


Morphological chart

Morphological Chart


Pugh charts

Pugh Charts


Criteria selection

Criteria Selection

We decided on which concepts to choose based off of the PowerPoint Dr. Kremer presented to us about the factors we should most consider:

  • Size– the effect of each concept on the de-orbiting stage size (smaller, better).

  • Cost – the lower the cost the better.

  • Weight– contribution by each concept to the overall stage weight (lighter, better).

  • Power – duration of available secondary power (longer, better).

    But we also realized that we had to be practical in our design and consider what people actually wanted. We wanted to choose things that people wanted to see in their toothbrush based off of our results from our survey.


Final toothbrush

Final Toothbrush


Alternative energy

Alternative Energy


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