An Efficient Inductor-less Dynamically Configured Interface Circuit for Piezoelectric Vibration Energy Harvesting

Sijun Du, Yu Jia & Ashwin Seshia
Vibration energy harvesting based on piezoelectric materials is of interest in several applications such as in powering remote distributed wireless sensor nodes for structural health monitoring. Synchronized Switch Harvesting on Inductor (SSHI) and Synchronous Electric Charge Extraction (SECE) circuits show good power efficiency among reported power management circuits; however, limitations exist due to inductors employed, adaption of response to varying excitation levels and the Synchronized Switch Damping (SSD) effect. In this paper, an inductor-less dynamically...
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