Electric Toothbrush

Electric ToothbrushTeam #2:Kaitlyn BensonKeith MeansCarrie TedescoJoe VelesigIdentify the problemMake an electric toothbrush travel friendlyAssess customer needs/refine project goalse.g. battery life, effectiveness, bristle variety Preliminary design and evaluationCreated/sketched initial design ideas

Outline

Worked as a teamDivided work for time managementWorked outside of classCommunicated effectively to maintain project goalsFFM Personality comparison

Project ManagementRevised problem statement:Make an electric toothbrush that is portable, user-friendly, and healthyCustomer Needs Chart1. Portable (0.31, 0.31) 1.1 Battery Life (0.25, 0.81) 1.2 Light Weight (0.04, 0.13) 1.3 Size (0.02, 0.06) 2. User friendly (0.28, 0.28) 2.1 Low Noise (0.06, 0.22) 2.2 Versatile Grip (0.11, 0.39) 2.3 Easy to Operate (0.07, 0.25) 2.4 Reasonable Price (0.04, 0.14) Health (0.41, 0.41)Effectiveness (0.21, 0.51)Bristle Variety (0.20, 0.49)

Literature SearchOriginal design, rechargeable batteries, inductive chargingPatent SearchBrush head, USB charging, rechargeable battery, energy mechanismBenchmarkingRated features of competing productsExternal Search

Redesign Concepts: Power Generation

1432Redesign Concepts: Body/Grip

123Redesign Concepts: Brush Head

123Redesign Concepts: Energy Mechanism

1234Morphological Chart

Concept Selection/Pugh Chart

Includes:Circular brush headTexturized partial body gripRechargeable batteryCam on gearFinal DesignUSB chargerInductive charging dockInterchangeable brush headsExtra FeaturesFinal Design

Final Design AnimationUses rechargeable battery to power DC motorMotor connects to gear which includes camCam converts rotational motion into oscillating motion of circular brush headToothbrush stored in a port that will charge battery through inductive chargingCap comes off exposing USB to charge with laptop for travel

How does it work?After research, benchmarking and dissection, our team created many conceptsThese concepts were whittled down to the best using AHP and Pugh chartsThe best concepts came together to form the perfect travel toothbrushConclusion

Thank You for Your Attention!