This article presents a hybrid vibrational energy harvester that integrates piezoelectric and electromagnetic mechanisms to efficiently convert ambient vibrations into usable electrical power over a wide frequency range. The system is modeled and its performance analyzed using COMSOL Multiphysics. It features a series of cantilever beams of equal lengths, each equipped with proof masses of varying dimensions to achieve multimodal energy harvesting. This configuration enables the device to capture energy from a broader vibration spectrum while maintaining a compact and structurally simple design, similar to single‐transduction systems. The dual‐mode operation enhances power density without compromising ease of assembly or integration. The harvester achieved a peak power output of 1.6 µW and a corresponding voltage of 120 mV within the frequency range from 1 to 2.5 kHz under optimal resistive loading conditions. These results indicate the potential of the proposed design for low‐power applications where environmental vibrations are the primary energy source.
Amirtharaj et al. (Wed,) studied this question.