Abstract
One of the most important techniques for energy harvesting is the clean energy collection from the ambient vibration. Piezoelectric energy harvesting systems became a hot topic in the literature and attracted most researchers. The reason behind this attraction is that piezoelectric materials are a simple structure and provide a higher power density among other mechanisms (electromagnetic and electrostatic). The aim of this manuscript is to succinctly review and present the state of the art of different existing vibrational applications utilizing piezoelectric energy harvesting technique. Meanwhile, the main concentration is harvesting energy from a vehicle suspension system. There is a significant amount of dissipated energy from the suspension dampers that is worthy of being harvested. Different mathematical car models with their experimental setup are presented, discussed, and compared. The piezoelectric material can be mounted in different locations such as suspension springs, dampers, and tires. The technique of implementing the harvester and the amount of power harvested from each location are analyzed. The evaluation of the electrical harvesting circuits and different storage devices for the harvested power are also discussed. The paper will also shed light on the variety of potential applications of the harvested energy.
Highlights
In light of the above literature, which reflects the significant demand of harvesting the energy from from car suspension systems using piezoelectric-based energy harvesters, this paper aims to present car suspension systems using piezoelectric-based energy harvesters, this paper aims to present a a comprehensive overview of different implementations of piezoelectric energy harvesting systems comprehensive overview of different implementations of piezoelectric energy harvesting systems and and discuss the most recent progress in this area
The 31 mode is commonly used for the energy harvester, especially for the piezoelectric cantilever beam structures where the lateral stress on the beam can be coupled to the piezoelectric material [48,49]
The system was able to produce a power of 1.2 mW when exposed to vibrations that effected a change in the fluid pressure induced by the piston displacement, whereas Lafarge et al [123] focused on studying the effectiveness of the location of the piezoelectric material mounted on the shock absorber
Summary
Green manufacturing has attracted a great deal of attention worldwide. A significant amount of energy is dissipated in the ambient vibrations in several forms like heat and friction Harvesting these dissipated energies into useful electrical energy could be achieved through different methods, including the use of piezoelectric material, electromagnetic, and electrostatic transducers. Piezoelectric materials do not require any additional voltage input, unlike the electrostatic harvesters, which need an initial pre-charge of the variable capacitors by having an external polarization source for the initiation of the conversion process. Another further advantage of the piezoelectric materials is that they are compatible with macro- and microstructures due to the thick and thin film fabrication techniques.
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