A triple-bias parallel SSHI rectifier for piezoelectric energy harvesting

被引：1
|
作者：
Wu, Liao [1 ]
Guo, Chenrui [2 ]
Guo, Miaomiao [1 ]
Long, Ying [1 ]
机构：
[1] Changsha Univ, Sch Elect Informat & Elect Engn, Changsha, Hunan, Peoples R China
[2] Changsha Univ Sci & Technol, Sch Comp & Commun Engn, Changsha, Hunan, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2019年 / 16卷 / 04期
关键词：
piezoelectric energy harvesting; SSHI; multi-bias; rectifier; INTERFACE CIRCUIT;
D O I：
10.1587/elex.16.20190025
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The traditional SSHI circuit forms a resonant loop to salvage the charges that would otherwise be wasted. However, the quality factor of the loop would be low. This brief presents a triple-bias parallel SSHI rectifier, which can effectively enhance the power extraction capability from the piezoelectric (PE) transducer. The circuit has a low complexity and is easy to integrate, which can convert the original one voltage flipping into a triple per half cycle, thereby improving the voltage flipping ratio for low quality factor. The experimental results show that, compared to the traditional SSHI circuit, the power obtained by the load is boosted up to 1.23 X.
引用
收藏
页码：1 / 5
页数：5
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