by Team 8 Taylor Beatty Zack Miller Cole Fenton Hoang Dinh

Design Activities Presented with a problem statement of creating a more sustainable toothbrush for Oral B customers Evaluated toothbrush and its qualities (aesthetics, power, design) Dissected toothbrush to determine parts and evaluate how the brush worked Created a customer needs assessment to reach goal of creating a more sustainable toothbrush that pleased the buyers Created an AHP chart based on the customer assessment Concept generation for Brush Head Design, Energy Mechanisms, Power Generation, Body Design Created a morph chart with ideas that were generated Generated Pugh charts based on morph charts Determined a final concept based on the rankings from the Pugh Charts

Project Management – Gant Chart

Customer Needs Assessments AHP Chart Keys A) Portability-7 B) Noise Level-6 C) Battery Life-9 D) Aesthetics-5 E) Simplicity-9 F) Power Level-7 G) Cost-8 H) Easy to Replace-8 I) Sustainability-6 J) Durability-8 ABCDEFGHIJTotal% A 17/67/97/57/917/8 7/67/ % B 6/716/96/56/96/76/ % C 9/79/619/519/79/8 9/69/ % D 5/75/65/91 5/75/8 5/65/ % E 9/79/619/519/79/8 9/69/ % F 17/67/97/57/917/8 7/67/ % G 8/78/68/98/58/98/7118/ % H 8/78/68/98/58/98/7118/ % I 6/716/96/56/96/76/ % J 8/78/68/98/58/98/7118/ %

create a more sustainable toothbrush that is pleasing to the customers – Minimize the size of toothbrush, less material would be used – Different shape for aesthetics and a better clean – Changing the type of batteries we can extend the battery life of the toothbrush

External Research Summary Oral-B CrossAction Power Max Whitening Spinbrush Classic Clean Colgate 360 o Sonicpower Packaging Bulky due to charging stationNeat Aesthetics Multiple colors Look bulky Multiple colors Look slim and appealing Multiple colors Ease to clean Fulfilling Rubber grip Fulfilling Rubber grip/bent body Bristle/Head features Replaceable bristle head partReplaceable headTongue/check soft cleaner On/off switch 2-buttons on/off1-button on/off Price ($/1 item) $12< $9 $5.25 (available in $10.5/packet of 2) Battery/power generator Charging station Battery is rechargable 2x AA-batteries1x AAA-Battery Product picture

Pic 1: Pic 2:Pic 3:Pic 4: Vibration reduction, Rotational Brush Head AA battery + solarAngled neck, ring, and batterypanelshand grip, closer to motorthinner body

Pugh Chart Final Concept Selection Final concept selection SustainabilityDurabilityAestheticEasy to replaceTotalRank AHP Weighting 6858 Weighting Vibration reduction ring/Hybrid Tech Rotational/Arched Head with Gum AA-Battery + Solar Panel Thinner body/comfortable handle Criteria based on : Customer Needs Assessment, Sustainability Objective, and External Research All parts: Recycled Material Energy mechanism – Vibration reduction and hybrid Vibration reduction ring on motor extended part (vibration rod) Brush Head - Rotational/Arched Head with Gum on Head’s back : Required for basic cleaning function plus gum and soft parts cleaning feature Power Generation – AA-Battery + Solar Panel: Reduced energy used by battery by collaborate solar power technology Body Design - Thinner body/Comfortable handle: Required for Customer Needs Assessment

SIDE VIEW FRONT VIEW

Back Body with solar panel Front Body with grip and switch 80 degree angled neck Replaceable head Final Design

Toothbrush Mechanism How technology has helped sustainability Material Selection: Recycled plastic + rubber Power Generation: AA-Battery hybridizes with Solar Cell Energy Mechanism: Hybrid technology Solar cell LiMH AA- battery Series Sources Motor Brush Head AA-Battery typeSolar Cell support rate (Solar : Battery) Capacity gain Operating capacity LiMH rechargeable 1.2V, mAh (recommended) 2:41.5 times hours Alkaline 1.5V, 3000mAh 2:51.4 times3.15 hours NiCd rechargeable 1.2V, mAh 2:41.5 times mins

Our entire design process and brainstorming of ideas was based off of the customer needs analysis Goals of Sustainability, aesthetics, portability, noise level, battery life, durability, and simplicity were reached