VAMPIRE: A magnetically self-powered sensor node capable of wireless transmission

摘要

This paper presents a power electronic topology for providing a vibration monitor with in-situ magnetic energy harvesting. The energy harvesting circuit uses low voltage MOSFETs and a nano-crystalline magnetic core to extract energy from an operating electrical load like a motor. This topology can be used to power sensors and wireless circuitry for diagnostics with no need for battery or special power wiring. Harvesting energy from a 90 W–60 Hz load, a Vibration Assessment Monitoring Point with Integrated Recovery of Energy (VAMPIRE) produces 7.5mW with the core volume of 2.9 cm