Research Article

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

Figure 3

(a) Fundamental frequency of the cantilever beam harvesters with beam width (). (b) Fundamental frequency of the harvesters with mass size ( or ). (c) Fundamental frequency of the harvesters with beam length ().
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(b)
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