色噪声驱动的高效谐振子链能量采集器
Efficient harmonic oscillator chain energy harvester driven by colored noise
摘要：
我们研究了机电谐振子链作为能量采集器的性能，以从有限带宽的环境随机振动中提取能量，这些振动由色噪声建模。所提出的设备进行了数值模拟，其性能评估的净电功率产生的装置和它的效率，在转换外部噪声提供的电力到电力。我们的主要结果是一个大大增强的性能，无论是在净电力输送和效率，谐波链相对于流行的单振荡器谐振器。我们的数值结果解释的解析近似，在良好的协议与数值。
英文摘要：
We study the performance of an electromechanical harmonic oscillator chain as an energy harvester to extract power from finite-bandwidth ambient random vibrations, which are modelled by colored noise. The proposed device is numerically simulated and its performance assessed by means of the net electrical power generated and its efficiency in converting the external noise-supplied power into electrical power. Our main result is a much enhanced performance, both in the net electrical power delivered and in efficiency, of the harmonic chain with respect to the popular single oscillator resonator. Our numerical findings are explained by means of an analytical approximation, in excellent agreement with numerics.
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