Abstract:To validate the potentials of unequal-length section-varied geometry in developing a orthoplanar spring-based piezoelectric vibration energy harvester (PVEH), a modified spring with quad-trapezoidal-leg configuration is designed, analyzed, and fabricated. A basic quad-trapezoidal-leg orthoplanar spring (QTOPS) is theoretically analyzed, and the structural effective stress and eigenfrequency are formulated to determine the main dimension parameters. Then, an improved QTOPS with additional intermediations is con… Show more
“…Liu et al [8] validate the potential of unequal-length section-varied geometries in developing an orthoplanar spring-based piezoelectric vibration energy harvester (PVEH). A basic quad-trapezoidal-leg orthoplanar spring (QTOPS) is theoretically analyzed, and the structurally effective stress and eigenfrequency are formulated to determine the main dimensions.…”
“…Liu et al [8] validate the potential of unequal-length section-varied geometries in developing an orthoplanar spring-based piezoelectric vibration energy harvester (PVEH). A basic quad-trapezoidal-leg orthoplanar spring (QTOPS) is theoretically analyzed, and the structurally effective stress and eigenfrequency are formulated to determine the main dimensions.…”
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