Roundy, Shadrach; Leland, Eli; Baker, Jessy; Carleton, Eric; Reilly, Elizabeth; Lai, Elaine; Otis, Brian; Rabaey, Jan M; Wright, Paul K; Sundararajan, V
Small cantilever-based devices are modeled, designed and built, by using piezoelectric materials that can scavenge power from low-level ambient vibration sources. The wireless sensor nodes' power requirements are analyzed. The vibration-based energy scavenging is a viable means of obtaining the small quantities of energy necessary to power wireless sensor nodes. The three approaches are pursued for improving vibration-based energy scavengers. These include frequency tuning, alternative design...[Show more]
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