Triaxial ball-impact piezoelectric converter for autonomous sensors exploiting energy harvesting from vibrations and human motion
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- 作者：D. Alghisia ; d.alghisi001@unibs.it" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; S. DalolaaAuthor Vitae ; M. Ferraria ; bAuthor Vitae ; V. Ferraria ; bAuthor Vitae
- 关键词：Energy harvesting ; Piezoelectric converter ; Multi-degree-of-freedom converter ; Triaxial converter ; Ball impact ; Frequency-up technique ; Autonomous sensor
- 刊名：Sensors and Actuators A: Physical
- 出版年：2015
- 出版时间：1 September 2015
- 年：2015
- 卷：233
- 期：Complete
- 页码：569-581
- 全文大小：3758 K
文摘
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A single-axis and triaxial ball-impact piezoelectric converter from human motion are presented.
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A basic mechanical model describing the impact among the ball and a diaphragm is provided.
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A tailored power management circuit and wireless temperature sensor module are presented.
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Experimental results related to the single-axis and triaxial ball-impact piezoelectric converters are presented.
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Experimental results related to the autonomous sensor obtained by tying the triaxial converter to the ankle of a person are presented.