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This paper presents a MEMS-based electromagnetic (EM) energy harvester for low frequency and low acceleration vibrations. The harvester is an improved version of [1], which operates with the frequency up conversion (FupC) principle. The former structure was composed of a low-frequency diaphragm carrying a magnet and 16 high-frequency cantilevers with coils. In this work, the phase difference between...
This paper presents an optimized second generation electromagnetic (EM) MEMS power generator which can harvest energy from low frequency external vibrations. In the second generation scavenger, power is generated through planar electromagnetic induction using a magnet on the low frequency actuation plane, and coils on the high frequency resonance plane. It is demonstrated in this work through modeling...
This paper presents a development tool for estimating the performance of an electromagnetic (EM) vibration-to-electrical MEMS energy scavenger for low power mobile computing and wireless sensor applications. The tool takes design and excitation parameters as input, and estimates output voltage waveforms and power levels. It has been correlated against validation data, and used for early evaluation...
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