Vibration Energy Generators for Low-frequency Spectral Excitations☆
2014
Abstract The presented study shows determinations of expected values of output power on the basis of the spectral description of the excitation (PSD). The output power of vibration energy generators for different low-frequency spectral excitations is compared for different spring approaches, i.e. linear stiffness with mechanical stops, hardening spring and bi-stable system. Results show that nonlinear springs do not necessarily increase the mean output power.
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