Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

doi:10.1007/s10483-013-1693-x

Applied Mathematics and Mechanics (English Edition) ›› 2013, Vol. 34 ›› Issue (5): 589-596.doi: https://doi.org/10.1007/s10483-013-1693-x

Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

王海仁¹ 胡洪平¹ 杨嘉实² 胡元太¹

1. Department of Mechanics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China;
2. Department of Engineering Mechanics, University of Nebraska, Lincoln, NE 68588-0526, U. S. A.

出版日期:2013-05-03 发布日期:2013-05-03
通讯作者: Yuan-tai HU E-mail:hudeng@263.net

Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

Hai-ren WANG¹, Hong-ping HU¹, Jia-shi YANG², Yuan-tai HU¹

1. Department of Mechanics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China;
2. Department of Engineering Mechanics, University of Nebraska, Lincoln, NE 68588-0526, U. S. A.

Online:2013-05-03 Published:2013-05-03
Contact: Yuan-tai HU E-mail:hudeng@263.net

摘要/Abstract

摘要： A structure consisting of a spiral piezoelectric transducer and a concentrated mass is proposed as a low-frequency piezoelectric power harvester. A theoretical model is developed for the system from the theory of piezoelectricity. An analysis is performed to demonstrate the low-frequency nature of the system. Other basic characteristics of the power harvester including the output power, voltage, and efficiency are also calculated and examined.

关键词: piezoelectric, power harvester, torsional motion, low-frequency

Abstract: A structure consisting of a spiral piezoelectric transducer and a concentrated mass is proposed as a low-frequency piezoelectric power harvester. A theoretical model is developed for the system from the theory of piezoelectricity. An analysis is performed to demonstrate the low-frequency nature of the system. Other basic characteristics of the power harvester including the output power, voltage, and efficiency are also calculated and examined.

Key words: singularity distribution method, structure, fluid, vibration, low-frequency, piezoelectric, power harvester, torsional motion, added mass

王海仁胡洪平杨嘉实胡元太. Spiral piezoelectric transducer in torsional motion as low-frequency power harvester[J]. Applied Mathematics and Mechanics (English Edition), 2013, 34(5): 589-596.

Hai-ren WANG;Hong-ping HU;Jia-shi YANG;Yuan-tai HU. Spiral piezoelectric transducer in torsional motion as low-frequency power harvester[J]. Applied Mathematics and Mechanics (English Edition), 2013, 34(5): 589-596.

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Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

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