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 …

Prior research has investigated resonators capable of self-tuning through the use of a sliding
mass. This passive tuning mechanism can be utilized to improve vibration control; however …

Within the field of elastic metamaterials, topological metamaterials have recently received
much attention due to their ability to host topologically robust edge states. Introducing local …

To deal with the limited availability of long-lasting power sources for sensor nodes in
industrial environments, a novel piezoelectric energy harvester with high efficiency and a …

This work investigates the time response of a Duffing oscillator with time-varying parameters
(excitation frequency, linear stiffness, and mass) by approximate analytical and numerical …

Vibration energy harvesting from deflection of mechanical elements based on passive and
active tuning mechanisms has attracted many researchers. In the present work, we propose …

The self-adaptive behavior of a clamped–clamped beam with an attached slider has been
experimentally demonstrated by several research groups. In a wide range of excitation …

When a system consisting of a beam and a movable mass (slider) is vibrated, the slider may
move along the beam, resulting in a change in the natural frequency of the system and …

环境动能收集器的工作频带窄, 导致其难以与频率随机变化的环境激励相匹配而制约其实用化.
基于频率自调节技术的频率匹配方法具有频率匹配范围宽, 精度高, 无需人工干预等优点 …

Passive vibration control systems are characterized by their simple practical design and
independence of external power supplies. However, they are usually hindered by their …