Improving power density of a cantilever piezoelectric power harvester through a curved L-shaped proof mass / Li, Wen G. in IEEE transactions on industrial electronics, Vol. 57 N° 3 (Mars 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 3 (Mars 2010) . - pp. 868 - 876 Titre : Improving power density of a cantilever piezoelectric power harvester through a curved L-shaped proof mass Type de document : texte imprimé Auteurs : Li, Wen G., Auteur ; Siyuan, He, Auteur ; Shudong, Yu, Auteur Article en page(s) : pp. 868 - 876 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Curved L-shaped mass Piezoelectric power harvesting Walking energy scavenging Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a cantilever piezoelectric power harvester with a curved L-shaped proof mass. With this novel proof mass, a lower fundamental frequency and a higher power density (output power per unit volume) were achieved. Three prototypes of 0.242 cm3 in volume were fabricated and tested. A power density of 1.45 mW/cm3 was achieved for the sinusoidal excitation of 0.75 g. The power harvester was also tested on a shoe at various walking speeds, and it generated an average power of 49 ¿W at 3.0 mi/h. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5226558 [article] Improving power density of a cantilever piezoelectric power harvester through a curved L-shaped proof mass [texte imprimé] / Li, Wen G., Auteur ; Siyuan, He, Auteur ; Shudong, Yu, Auteur . - pp. 868 - 876. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 3 (Mars 2010) . - pp. 868 - 876 Mots-clés : Curved L-shaped mass Piezoelectric power harvesting Walking energy scavenging Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a cantilever piezoelectric power harvester with a curved L-shaped proof mass. With this novel proof mass, a lower fundamental frequency and a higher power density (output power per unit volume) were achieved. Three prototypes of 0.242 cm3 in volume were fabricated and tested. A power density of 1.45 mW/cm3 was achieved for the sinusoidal excitation of 0.75 g. The power harvester was also tested on a shoe at various walking speeds, and it generated an average power of 49 ¿W at 3.0 mi/h. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5226558

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