Multiresonant Frequency Piezoelectric Energy Harvesters Integrated with High Sensitivity Piezoelectric Accelerometer for Bridge Health Monitoring Applications

Figure 4

(a) Piezoelectric energy harvester (device PEH-A) created for simulation in COMSOL Multiphysics environment. (b) Deflection of the piezoelectric cantilever (device PEH-A). (c) Induced peak voltage of the piezoelectric cantilever beam in device PEH-A at F = 2.1 mN ( = 1).

(a)

(b)

(c)