This paper presents a novel electrically tunable structure which can be used as a resonator
for vibration-based energy harvesters. The adjustment of the resonance frequency is …

This paper presents a novel electrically tunable resonator which can be used as a resonator
structure for vibration based energy harvesters. The adjustment of the resonant frequency is …

A fundamental drawback of vibration-based energy harvesters is that they typically feature a
resonant mass/spring mechanical system to amplify the small source vibrations; the limited …

This paper reports on a self-adaptive energy harvesting system, which is able to adapt its
eigenfrequency to the operating conditions of power units. The power required for frequency …

We present a piezoelectric energy-harvesting system, which is able to self-tune its
resonance frequency in an energy-autonomous way, in order to extend its efficient operation …

The recent years have witnessed a wealth of research on energy harvesting technologies.
To maximize the output power, vibration-based energy harvesters are normally designed to …

This work is concerned with developing a vibration-based energy harvester with a tunable
natural frequency. The harvester is designed to automatically adjust its own natural …

Vibration energy harvesting is an attractive technique for potential powering of wireless
sensors and low power devices. While the technique can be employed to harvest energy …

A multi-degree of freedom micro-energy harvester has been designed, fabricated, and
tested and sub 100 Hz natural frequencies have been achieved. This design's resonant …

A piezoelectric energy harvester is an electromechanical device that converts ambient
mechanical vibration into electric power. Most existing vibration energy harvesting devices …