Soldiers have been exposed to the risk of chilblains in cold winters. Recent studies have described sensors and IOT devices that use independent power sources based on …
JE Kim - Transactions of the Korean Society of Mechanical …, 2015 - koreascience.kr
To properly design and assess a piezoelectric vibration energy harvester, it is necessary to consider the application of an efficiency measure of energy conversion. The energy …
JE Kim - Journal of Intelligent Material Systems and …, 2017 - journals.sagepub.com
To assess the performance of a piezoelectric vibration energy harvester (PVEH) for analysis and design, a well-defined efficiency measure of mechanical-to-electrical energy conversion …
Aimed at a self-powered real-time pipe-wall-thinning monitoring system, a piezoelectric vibration energy harvesting device is installed on a pipe in a pipeline system with internal …
In this study, we compared a cantilever piezoelectric energy harvester with a fixed-fixed piezoelectric energy harvester and analyzed the output powers of two harvesters. In two …
This research focused on the fabrication of piezoelectric micromachined ultrasonic transducer (pMUT) annular array based on PMN-PZT piezoelectric single crystal. The PMN …
An acoustic energy harvester based on metamaterials has been proposed to enhance the electric performance (power and bandwidth) of the harvester. We design and demonstrate a …
To realize a self-powered monitoring system for the pipe wall thinning, a feasibility of the piezoelectric vibration energy harvesting technology is studied in this work. In the first place …