ArticleEntropy (Basel, Switzerland)2022
Stochastic Thermodynamics of an Electromagnetic Energy Harvester.
Article in Entropy (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Transient Thermal Energy Harvesting at a Single Temperature Using Nonlinearity.Entropy (Basel, Switzerland) · 2025Article
- Optimal Control of an Electromechanical Energy Harvester.Entropy (Basel, Switzerland) · 2025Article
- Stochastic Model for a Piezoelectric Energy Harvester Driven by Broadband Vibrations.Entropy (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
We study the power extracted by an electromagnetic energy harvester driven by broadband vibrations. We describe the system with a linear model, featuring an underdamped stochastic differential equation for an effective mass in a harmonic potential, coupled electromechanically with the current in the circuit. We compare the characteristic curve (power vs. load resistance) obtained in experiments for several values of the vibration amplitude with the analytical results computed from the model. Then, we focus on a more refined analysis, taking into account the temporal correlations of the current signal and the fluctuations of the extracted power over finite times. We find a very good agreement between the analytical predictions and the experimental data, showing that the linear model with effective parameters can describe the real system, even at the fine level of fluctuations. Our results could be useful in the framework of stochastic thermodynamics applied to energy harvesting systems.
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Registered trials
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