Abstract:Low-frequency vibrations can be exploited to drive a series of rotation-based devices (e.g., miniaturized centrifuges and energy harvesters), but their practical applications are hindered by the low rotation speeds of vibration-to-rotation conversion mechanisms. To address this issue, we report herein a finger-snapping inspired bistable mechanism that can achieve high-speed rotation out of low-frequency vibrations (< 5 Hz). The proposed bistable mechanism consists of two sprung-cranks, a proof mass attached… Show more
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