Sketch Review - Purple Team A Concept #2: Piezoboot Charger Many outdoor electronics require AA batteries. In the backcountry, more batteries means more.

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Presentation transcript:

Sketch Review - Purple Team A Concept #2: Piezoboot Charger Many outdoor electronics require AA batteries. In the backcountry, more batteries means more weight. Additional energy is required. It can be supplied through existing technology.

Sketch Review - Purple Team A Customer Needs QuestionsCustomer StatementInterpreted Need Typical Uses I prefer to use the same boots to hike all year round. I use my hiking boots in the mountains and city. The PH operates in all weather conditions The PH is suitable for every day walking Likes- Current Boot I like my boots ankle support. They perform well in wet environments. The PH provides ankle support The entire boot including the PH electronics are waterproof. Dislikes- Current Boot The sole of my boots are peeling off. The different parts of the PH are permanently sealed together. Suggested Improvements I would like a shoe that lasts for at least two years. A lighter boot. The PH has a two year warranty. The weight of the PH is comparable to a regular boot. Concerns- New product The obstruction to strap on ice climbing spikes, etc. Weight distribution. The PH accommodates strap on equipment. The PH is balanced appropriately.

Sketch Review - Purple Team A Kinetic Harvesting Technology Inserted piezoelectric devices convert mechanical strain into electrical energy. Research at the MIT MediaLab shows effective electrical output of PZT dimorph is 8.4mW. Also gives signal rectifying circuit.

Sketch Review - Purple Team A Power Output from Walking PVDF stave – 1.3 mW PZT dimorph – 8.4 mW

Sketch Review - Purple Team A Hiking Market In 2000, a total of 73.1 million people participated in hiking, and 23.4 million went backpacking at least once. By the year 2050, the number of people backpacking is expected to increase 25 percent. Manufacturer’s sales of hiking boots totaled over $413 million.

Sketch Review - Purple Team A References American Hiking Society. The Economic Benefits of Trails. Retrieved September 30th, 2004 from. AZ network: Trail Journals Retrieved September 29th, 2004 from. IEEE Computer Society Energy Scavenging with Shoe- Mounted Piezoelectrics. Retrieved October 4, 2004 from. NightStar Technical Specs Retrieved October 4, 2004 from.