Vibrational energy harvesting offers a potential power supply for future intelligent wireless
sensors. In order to make vibrational energy harvesters more useful, a broad bandwidth is …

This article presents a broadband piezoelectric vibration energy harvesting system. It can
actively tune its resonant frequency to match the frequency of the ambient vibration …

A broadband active self-tuning frequency piezoelectric energy harvester (AST-PEH) is
proposed in this paper. It consists of a piezoelectric cantilever beam, an energy harvesting …

Piezoelectric energy harvesters tend to convert energy from ambient vibration to electricity,
which can gain a higher output voltage at resonance region. How to obtain a larger working …

The frequency response of a self-tuning energy harvester composed of two piezoelectric
cantilevers connected by a middle beam with a sliding mass is investigated. Measurements …

This paper presents a demonstration of the feasibility of fabricating micro-cantilever
harvesters with extended stress distribution and enhanced bandwidth by exploiting an M …

This paper introduces a passive self-tuning energy harvester by applying self-resonating
behavior. Under certain operating conditions, self-resonating systems have the capability to …

On-chip sensing and communications in the Internet of things platform have benefited from
the miniaturization of faster and low power complementary-metal-oxide semiconductor …

To achieve total freedom of location for intelligent wireless sensors (IWS), these need to be
autonomous. To achive this today there is a need of broadband piezoelectric energy …

The lifetime of a power supply in a sensor node of a wireless sensor network is the decisive
factor in the longevity of the system. Traditional Li-ion batteries cannot fulfill the demands of …