Flexible wearable sensor nodes with solar energy harvesting

[en] Wearable sensor nodes have gained a lot of attention during the past few years as they can monitor and record people's physical parameters in real time. Wearable sensor nodes can promote healthy lifestyles and prevent the occurrence of potential illness or injuries. This paper presents a flexible wearable sensor system powered by an efficient solar energy harvesting technique. It can measure the subject's heartbeats using a photoplethysmography (PPG) sensor and perform activity monitoring using an accelerometer. The solar energy harvester adopts an output current based maximum power point tracking (MPPT) algorithm, which controls the solar panel to operate within its high output power range. The power consumption of the flexible sensor nodes has been investigated under different operation conditions. Experimental results demonstrate that wearable sensor nodes can work for more than 12 hours when they are powered by the solar energy harvester for 3 hours in the bright sunlight. © 2017 IEEE.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Wu, T.; Department of Electrical and Computer Systems Engineering, Monash University, Melbourne, VIC 3800, Australia

Arefin, M. S.; Department of Electrical and Computer Systems Engineering, Monash University, Melbourne, VIC 3800, Australia

Redouté, Jean-Michel ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés

Yuce, M. R.; Department of Electrical and Computer Systems Engineering, Monash University, Melbourne, VIC 3800, Australia

Language :

English

Title :

Flexible wearable sensor nodes with solar energy harvesting

Publication date :

2017

Event name :

39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2017

Event date :

11 July 2017 through 15 July 2017

Audience :

International

Journal title :

Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society

ISSN :

1557-170X

Publisher :

Institute of Electrical and Electronics Engineers Inc.

Pages :

3273-3276

Peer reviewed :

Peer reviewed

Name of the research project :

ARC FT130100430

Funders :

ARC - Australian Research Council [AU]

Commentary :

130871 9781509028092

Available on ORBi :

since 07 June 2019

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Bibliography

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