ArticleScientific reports2024
Optimized multi-frequency nonlinear broadband piezoelectric energy harvester designs.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Optimized doubly-curved ARH-based metastructure to augment specific vibrational energy conversion using a hybrid constraint multi-objective genetic algorithm.Scientific reports · 2026Article
- Piezoelectric MEMS vibration energy harvester using BiFeOScientific reports · 2026Article
- Article
- Approximate Solution to Nonlinear Dynamics of a Piezoelectric Energy Harvesting Device Subject to Mechanical Impact and Winkler-Pasternak Foundation.Materials (Basel, Switzerland) · 2025Article
- Modeling and Optimization of Energy Harvesters for Specific Applications Using COMSOL and Equivalent Spring Models.Sensors (Basel, Switzerland) · 2024Article
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3 authors.
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Abstract
Many electrical devices can be powered and operated by harvesting the wasted energy of the surroundings. This research aims to overcome the challenges of output power with a sharp peak, small bandwidth, and the huge dimensions of the piezoelectric energy harvesters relative to the output power. The aforementioned challenges motivated us to investigate the effect of nonlinearity in the shape (tapered and straight cross-section area) as well as the fixation method (the number of fastened ends) to determine the optimal design with high output power and wide working frequency. This research proposes a novel piezoelectric energy harvester array, where each beam is made up of three fixed beams that are joined together by a center mass. The proposed design produces an output power of 35 mW between 25 and 40 Hz. The output power of the proposed design is 3.24 times more than the conventional designs. The recommended approach is simulated utilizing finite element analysis FEA. Analytical and experimental methods validate the proposed FEA, which exhibits excellent agreement.
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