Design of fully integrated milliwatt thermoelectric energy harvesting interface circuit for wireless body sensor networks

Date

2020-9

Author

Demir, Süleyman Mahircan

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

407
views

0
downloads

Wireless body sensor networks have drawn significant attention for providing out-of-hospital diagnosis and remote abnormality monitoring, which are vitally important for millions of people suffering from chronic diseases. Batteries powering these sensor networks hurt their mobility and longevity due to their bulkiness and down-time during charging or replacement. Therefore, this study focuses on thermoelectric energy harvesting from body heat, and targets eventual replacement of batteries by generating power levels above 1 mW using a fully integrated interface circuit component. The 180nm standard CMOS circuit, designed using Cadence IC design suite, contains the first optimized implementation of a previously developed quadrupling oscillator concept, a charge-pump based DC-DC converter, and a maximum power point tracking circuitry. Simulations using the electrical model of a commercial TEG module show that the DC-DC converter is capable of up to 1.5 mW output power, and 2 V output voltage, with 37% interface circuit efficiency when the TEG voltage is 500 mV. Minimum input voltage for the converter startup is found as 92 mV in the post-layout simulations. The interface circuit simulations with MPPT achieve 1.24 mW output power and 1.5 V output voltage for the TEG voltage of 500 mV. In the corresponding circumstance, the interface circuit efficiency is recorded as %20. The optimized interface circuit can be utilized to power up WBSN and enables batteryless sensor network operations.

Subject Keywords

Energy Harvesting, Integrated Circuits, Thermoelectric Energy Harvesters, Interface Circuit, 1 MW Power Generator, Wireless Body Sensor Networks

URI

https://hdl.handle.net/11511/69237

Collections

Northern Cyprus Campus, Thesis

Suggestions

OpenMETU
Core

Design of fully ıntegrated milliwatt thermoelectric energy harvesting ınterface circuit for wireless body sensor networks Demir, Süleyman Mahircan; Muhtaroğlu, Ali; Electrical and Electronics Engineering (2020-12) Wireless body sensor networks have drawn significant attention for providing out-of-hospital diagnosis and remote abnormality monitoring, which are vitally important for millions of people suffering from chronic diseases. Batteries powering these sensor networks hurt their mobility and longevity due to their bulkiness and down-time during charging or replacement. Therefore, this study focuses on thermoelectric energy harvesting from body heat, and targets eventual replacement of batteries by generating powe...
Design of fully integrated milliwatt thermoelectric energy harvesting interface circuit for wireless body sensor networks Demir, Süleyman Mihircan; Muhtaroğlu, Ali; Electrical and Electronics Engineering (2020-12-04) Wireless body sensor networks have drawn significant attention for providing out-of-hospital diagnosis and remote abnormality monitoring, which are vitally important for millions of people suffering from chronic diseases. Batteries powering these sensor networks hurt their mobility and longevity due to their bulkiness and down-time during charging or replacement. Therefore, this study focuses on thermoelectric energy harvesting from body heat, and targets eventual replacement of batteries by generating powe...
Using Wireless Sensor Network Technologies for Elder and Child Care: An Application Architecture Proposal Alemdar, Hande (2009-01-01) For the last decade wireless sensors, especially multi-modal sensor technologies have been developing for supporting healthcare services for elderly and children. The main motivation behind this is the fact that the world's expectations for an average lifetime is getting longer, thus increasing the costs of healthcare. The need for technological support on the subject has led wireless sensor technologies and sophisticated electronics to become within the reach of average users and research effort on the sub...
Superior Photodynamic Therapy of Colon Cancer Cells by Selenophene-BODIPY-Loaded Superparamagnetic Iron Oxide Nanoparticles Ozvural Sertcelik, Kubra Nur; Karaman, Osman; Almammadov, Toghrul; Günbaş, Emrullah Görkem; Kolemen, Safacan; Yagci Acar, Havva; Onbasli, Kubra (2022-01-01) © 2022 Wiley-VCH GmbH.Development of targeted nanoparticles as carriers to deliver photosensitizers to cancer cells is highly beneficial for ensuring the expected therapeutic outcome of photodynamic therapy. Herein, polyacrylic acid (PAA) coated superparamagnetic iron oxide nanoparticles (SPIONs), conjugated with endothelial growth factor receptor (EGFR) targeting Cetuximab (Cet) were loaded with a BODIPY-based (BOD-Se-I) photosensitizer (Cet-PAA@SPION/BOD-Se-I) to achieve enhanced and selective photodynami...
A smart couch design for improving the quality of life of the patients with cognitive diseases Bi̇li̇şsel rahatsizliklari olan ki̇şi̇ leri̇n yaşam kali̇tesi̇ni̇ artirmak i̇çi̇n akilli bi̇r koltuk tasarimi Ertan, Halil; Alemdar, Hande; Incel, Özlem Durmaz; Ersoy, Cem (2012-07-09) In this paper, we focus on the human activity recognition module of a homecare system that consists of wireless sensors developed for remotely monitoring patients with cognitive disorders, such as Alzheimer. To this end, as an initial study, we designed a smart couch that is equipped with accelerometer, vibration and force resistive sensors to monitor how much time people spend while sitting, lying or napping on the couch and to recognize the drifts from their daily routines. In order to distinguish these a...

Citation Formats

S. M. Demir, “Design of fully integrated milliwatt thermoelectric energy harvesting interface circuit for wireless body sensor networks,” M.S. - Master of Science, Middle East Technical University, 2020.