The last decade has witnessed significant advances in energy harvesting technologies as a
possible alternative to provide a continuous power supply for small, low-power devices in …

Piezoelectric energy harvesters (PEHs) aim to generate sufficient power to operate targeting
device from the limited ambient energy. PEH includes mechanical‐to‐mechanical …

We exploit a 1: 2 internal resonance in an L-shaped beam-mass structure for broadband
and high-efficient energy harvesting. The geometric nonlinearities of the structure and …

This work investigated the dynamic responses and evaluated the performance of a two-
degree-of-freedom (2DOF) coupled coil-magnet electromagnetic vibration harvester excited …

This paper investigates a passive self-tuning piezoelectric energy harvester based on a
beam-slider structure. The hardening nonlinearity is imparted to the system by two repulsive …

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 …

Energy harvesters, especially nonlinear systems with broad bandwidth, have made it
possible for devices in IoT (Internet of Things) to extract energy from the ambient …

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 …

This work investigates a self-tuning resonator composed of a slender clamped–clamped
steel beam and a freely movable slider. The clamped–clamped beam exhibits hardening …