[1] [1] TAMJIDI N, SATO K,SAKURAI J,et al.PVDF actuator for high-frequency fatigue test of thin-film metals［J］. IEEE Transactions on Electrical and Electronic Engineering, 2013, 8(2):199-205.

[3] [3] GONG Lijiao,PAN Qiaosheng,LI Wei,et al. Harvesting vibration energy using two modal vibrations of a folded piezoelectric device［J］. Applied Physics Letters,2015, 107(3):033904-1-4.

[4] [4] ANSARI M H, KARAMI M A. Modeling and experimental verification of a fan-folded vibration energy harvester forleadless pacemakers ［J］. Journal of Applied Physics,2016,119:094506-1-11.

[5] [5] AVVARI P V,YANG Yaowen, SOH C K. Long-term fatigue behavior of a cantilever piezoelectric energy harvester［J］.SAGE Publications,2017,28(9):1188-1210.

[8] [8] WANDOWSKI T,MOLL J,MALINOWSKI P,et al. Assessment of piezoelectric sensor adhesive bonding［C］//Ghent, Belgium:11th International Conference on Damage Assessment of Structures,2015:762-766.

[9] [9] JIN Congrui,WANG Xiaodong.The effect of adhesive layers on the dynamic behavior of surface-bonded piezoelectric sensors with debonding［J］.Journal of Intelligent Material Systems and Structures,2011,22(7):655-670.

[10] [10] TURKMEN A C,CELIK C. Energy harvesting with the piezoelectric material integrated shoe ［J］. Energy, 2018,150:556-564.

[12] [12] WANG Jialai, ZENG Shixin. Dynamics of piezoelectric smart beams using a three-parameter elastic foundation model［J］. Journal of Intelligent Material Systems and Structures,2011,22:3-15.