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Energy scavenging for mobile and wireless electronics
This article presents a whirlwind survey through energy harvesting, spanning historic and current developments, as low-power electronics, wireless standards, and miniaturization conspire to populate the world with sensor networks and mobile devices.
Energy Scavenging with Shoe-Mounted Piezoelectrics
Unobtrusive devices developed at the MIT Media Lab scavenge electricity from the forces exerted on a shoe during walking: a flexible piezoelectric foil stave to harness sole-bending energy and a reinforced PZT dimorph to capture heel-strike energy.
Gait Analysis Using a Shoe-Integrated Wireless Sensor System
- S. Bamberg, A. Benbasat, D. Scarborough, D. Krebs, J. Paradiso
- BiologyIEEE Transactions on Information Technology in…
- 1 July 2008
A wireless wearable system that was developed to provide quantitative gait analysis outside the confines of the traditional motion laboratory, the GaitShoe proved highly capable of detecting heel-strike and toe-off, as well as estimating foot orientation and position, inter alia.
ATLAS detector and physics performance : Technical Design Report, 1
Parasitic power harvesting in shoes
- J. Kymissis, Clyde Kendall, J. Paradiso, N. Gershenfeld
- EngineeringDigest of Papers. Second International Symposium…
- 19 October 1998
This paper examines three different devices that can be built into a shoe and used for generating electrical power "parasitically" while walking, two of which are piezoelectric in nature and one is a shoe-mounted rotary magnetic generator.
WristFlex: low-power gesture input with wrist-worn pressure sensors
Using an array of force sensitive resistors worn around the wrist, the interface can distinguish subtle finger pinch gestures with high accuracy (>80 %) and speed and it is demonstrated that the number of gestures can be extended with orientation data from an accelerometer.
Human-Generated Power for Mobile Electronics
The bulk of this chapter will overview the history and state-of-the-art in harvesting power from the user to support body-worn mobile electronics and describe how batteries affect design tradeoffs for mobile device manufacturers.
PingPongPlus: design of an athletic-tangible interface for computer-supported cooperative play
The concept of the athletic-tangible interface is presented, a new class of interaction which uses tangible objects and full-body motion in physical spaces with digital augmentation for digitally-augmented cooperative play.
Energy Metering for Free: Augmenting Switching Regulators for Real-Time Monitoring
- P. Dutta, M. Feldmeier, J. Paradiso, D. Culler
- EngineeringInternational Conference on Information…
- 22 April 2008
iCount measures energy usage by counting the switching cycles of the regulator, a new energy meter design that requires only a pulse frequency modulated switching regulator and a microcontroller with an externally-clocked counter.
Applying electric field sensing to human-computer interfaces
A non-contact sensor based on the interaction of a person with electric fields for human-computer interface is investigated and empirical and analytical approaches to transform sensor measurements into position information are discussed.