A Piezoelectric Energy-Harvesting System With Parallel-SSHI Rectifier and Integrated Maximum-Power-Point Tracking

被引：54

作者：

Li, Shuo ^{[1
]}

Roy, Abhishek ^{[2
]}

Calhoun, Benton H. ^{[1
]}

机构：

[1] Univ Virginia, Dept Elect & Comp Engn, Charlottesville, VA 22903 USA

[2] Marvell Semicond Inc, Infrastruct Processor Business Unit, Marlborough, MA 01752 USA

来源：

IEEE SOLID-STATE CIRCUITS LETTERS | 2019年 / 2卷 / 12期

基金：

美国国家科学基金会;

关键词：

High energy-extraction improvement; high tracking efficiency; maximum-power-point tracking (MPPT); parallel-synchronized-switch harvesting-on-inductor (SSHI) rectifier; piezoelectric energy harvester (PEH);

D O I：

10.1109/LSSC.2019.2951394

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A piezoelectric energy-harvesting system, including a parallel-synchronized-switch harvesting-on-inductor (SSHI) rectifier and integrated maximum-power-point tracking (MPPT), is presented. The perturb & observe (P&O) algorithm is adopted for the MPPT of the parallel-SSHI rectifier. Furthermore, an output power evaluation algorithm for the P&O MPPT is proposed and its detailed implementation in the full analog domain is analyzed. Fabricated in 130-nm CMOS, measurement results show the piezoelectric harvesting system achieves a 417% energy-extraction improvement for the rectifier and a maximum 97% tracking efficiency for the MPPT, which makes the system achieve high energy-extraction improvement and MPPT efficiency simultaneously.

引用

页码：301 / 304

页数：4

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