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Analysis and optimization of a piezoelectric harvester on a car damper
Idioma
EN
Article de revue
Este ítem está publicado en
Physics Procedia. 2015-09-19, vol. 70, p. 970-973
Resumen en inglés
Low power levels obtained from piezoelectric conversion of ambient vibrations appear to be a promising solution to supply wireless sensors embedded inside automotive suspension. However such a solution requires overall an ...Leer más >
Low power levels obtained from piezoelectric conversion of ambient vibrations appear to be a promising solution to supply wireless sensors embedded inside automotive suspension. However such a solution requires overall an optimum power extraction from the piezoelectric power harvester. This leads to the use of a sufficiently accurate and flexible modelling method to find the optimal characterics and configuration of the harvester. To this end, an innovative bond graph model of the piezoelectric harvester embedded in the quarter vehicle system is proposed for providing the harvested power when a car travels a road with a speed bump at 30 km/h. Results show that around of 0.5 milliwatt electrical power is harvested when varying key parameters like the location and characteristics of the piezoelectric device.< Leer menos
Palabras clave en inglés
Vehicule suspension
Energy harvesting
Piezoelectric vibration harvester
Bond graph modelling
Centros de investigación