Overview of human walking induced energy harvesting technologies and its possibility for walking robotics

H Shi, Z Liu, X Mei - Energies, 2019 - mdpi.com
This study is mainly to provide an overview of human walking induced energy harvest.
Focusing on the proportion of all energy sources provided by daily activity, the available …

Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters

HG Yeo, T Xue, S Roundy, X Ma… - Advanced Functional …, 2018 - Wiley Online Library
For piezoelectric energy harvesters, a large volume of piezoelectric material with a high
figure of merit is essential to obtain a higher power density. The work describes the growth of …

[HTML][HTML] A rotational energy harvester utilizing an asymmetrically deformed piezoelectric transducer subjected only to unidirectional compressive stress

Z Zhang, J Chai, Y Wu, S Wang, X Kan, H Tang, J Kan - Energy Reports, 2023 - Elsevier
Energy harvesting using piezoelectric transduction offers a promising alternative to the
conversion of kinetic energy like ambient vibration and rotational motion into useful …

[HTML][HTML] Designing a Hybrid Energy-Efficient Harvesting System for Head-or Wrist-Worn Healthcare Wearable Devices

Z Tohidinejad, S Danyali, M Valizadeh, R Seepold… - Sensors, 2024 - mdpi.com
Battery power is crucial for wearable devices as it ensures continuous operation, which is
critical for real-time health monitoring and emergency alerts. One solution for long-lasting …

Architectures for wrist-worn energy harvesting

R Rantz, MA Halim, T Xue, Q Zhang, L Gu… - Smart Materials and …, 2018 - iopscience.iop.org
This paper reports the simulation-based analysis of six dynamical structures with respect to
their wrist-worn vibration energy harvesting capability. This work approaches the problem of …

Electromagnetic linear vibration energy harvester using sliding permanent magnet array and ferrofluid as a lubricant

SH Chae, S Ju, Y Choi, YE Chi, CH Ji - Micromachines, 2017 - mdpi.com
We present an electromagnetic linear vibration energy harvester with an array of rectangular
permanent magnets as a springless proof mass. Instead of supporting the magnet assembly …

Design and performance analysis of human walking induced energy recovery system by means of hydraulic energy conversion and storage

HU Shi, Y Yue, H Wang, J Xu, X Mei - Energy Conversion and Management, 2020 - Elsevier
Human walking induces a lot of mechanical energy available for harvesting. It is promising
to use such energy to reduce the energy supply of wearable electronics and robotic …

Analysis of magnetic plucking configurations for frequency up-converting harvesters

T Xue, S Roundy - Journal of Physics: Conference Series, 2015 - iopscience.iop.org
Magnetic plucking applies the strategy of frequency up-conversion in inertial energy
harvesting when the energy source, such as human motion, only provides excitations with …

Nonlinear dynamics of an unsymmetric cross-ply square composite laminated plate for vibration energy harvesting

G Jiang, T Dong, Z Guo - Symmetry, 2021 - mdpi.com
The nonlinear behaviors and energy harvesting of an unsymmetric cross-ply square
composite laminated plate with a piezoelectric patch is presented. The unsymmetric cross …

Analysis of upper bound power output for a wrist-worn rotational energy harvester from real-world measured inputs

T Xue, X Ma, C Rahn, S Roundy - Journal of Physics: Conference …, 2014 - iopscience.iop.org
Energy harvesting from human motion addresses the growing need for battery-free health
and wellness sensors in wearable applications. The major obstacles to harvesting energy in …