Year 2019, Volume 7, Issue 2, Pages 255 - 260 2019-05-25

Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers
Piezoelektrik Yama Dönüştürücülerle Diz Hareketinden Enerji Hasadı

Mustafa Beyaz [1]

40 101

This paper presents a piezoelectric energy harvesting device that generates electrical power from knee motion during human gait. The device is composed of two MEMS-based piezoelectric patch transducers optimized for placement around knee joints with minimal footprint. Simulations were performed on COMSOL software to reveal maximum performance that can be achieved under normal walking conditions. The internal capacitance of the patch transducers was measured to be 80 nF, while the resistance was on the order of 470 k. The patch transducers were inserted in a knee brace worn by a volunteer subject, and were characterized for voltage and power generation. During walking, the maximum open circuit voltage and rms power were measured to be 14 V and 6.2 W, respectively. These values were observed to increase up to 14.4 V and 12 W during a moderate running activity. The level of power achieved in the experiments shows the potential of this device as an independent onboard power component and as a continuous battery charger for wearable electronic devices. 

Bu çalışmada insanların yürüyüşleri esnasında diz hareketinden enerji elde edebilen bir piezoelektrik enerji hasadı aygıtının geliştirilmesi ve test edilmesi ele alınmıştır. Aygıt diz çevresine yerleştirmek üzere optimize edilmiş ve minimal ölçülere sahip iki adet MEMS tabanlı piezoelektrik yama dönüştürücüden oluşmaktadır. COMSOL programında yapılan simülasyonlar ile normal yürüme sırasında elde edilebilecek maksimum performans incelenmiştir. Piezoelektrik dönüştürücülerin iç kapasitans ve dirençlerinin 80 nF ile 470 kohm mertebesinde olduğu ölçülmüştür. Dönüştürücüler bir gönüllünün taktığı dizliğe yerleştirilerek, üretilen gerilim ve güç değerleri test edilmiştir. Yürüme sırasında maksimum 14 V ve 6.2 uW rms güç elde edilmiştir. Bu değerlerin orta hızlı koşma esnasında 14.4 V ve 12uW’a çıktığı gözlemlenmiştir. Ölçülen gerilim ve güç değerleri, bu aygıtın giyilebilir elektronik aletleri çalıştırabilme ve bu aletlerin pillerini sürekli şarj edebilme potansiyelini ortaya koymaktadır.

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Primary Language en
Subjects Engineering
Published Date Mayıs 2019
Journal Section Articles
Authors

Orcid: 0000-0003-4591-2882
Author: Mustafa Beyaz (Primary Author)
Institution: ANTALYA BILIM UNIVERSITY
Country: Turkey


Dates

Publication Date: May 25, 2019

Bibtex @research article { apjes449102, journal = {Akademik Platform Mühendislik ve Fen Bilimleri Dergisi}, issn = {}, eissn = {2147-4575}, address = {Academic Platform}, year = {2019}, volume = {7}, pages = {255 - 260}, doi = {10.21541/apjes.449102}, title = {Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers}, key = {cite}, author = {Beyaz, Mustafa} }
APA Beyaz, M . (2019). Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers. Akademik Platform Mühendislik ve Fen Bilimleri Dergisi, 7 (2), 255-260. DOI: 10.21541/apjes.449102
MLA Beyaz, M . "Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers". Akademik Platform Mühendislik ve Fen Bilimleri Dergisi 7 (2019): 255-260 <http://dergipark.org.tr/apjes/issue/40960/449102>
Chicago Beyaz, M . "Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers". Akademik Platform Mühendislik ve Fen Bilimleri Dergisi 7 (2019): 255-260
RIS TY - JOUR T1 - Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers AU - Mustafa Beyaz Y1 - 2019 PY - 2019 N1 - doi: 10.21541/apjes.449102 DO - 10.21541/apjes.449102 T2 - Akademik Platform Mühendislik ve Fen Bilimleri Dergisi JF - Journal JO - JOR SP - 255 EP - 260 VL - 7 IS - 2 SN - -2147-4575 M3 - doi: 10.21541/apjes.449102 UR - https://doi.org/10.21541/apjes.449102 Y2 - 2019 ER -
EndNote %0 Academic Platform Journal of Engineering and Science Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers %A Mustafa Beyaz %T Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers %D 2019 %J Akademik Platform Mühendislik ve Fen Bilimleri Dergisi %P -2147-4575 %V 7 %N 2 %R doi: 10.21541/apjes.449102 %U 10.21541/apjes.449102
ISNAD Beyaz, Mustafa . "Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers". Akademik Platform Mühendislik ve Fen Bilimleri Dergisi 7 / 2 (May 2019): 255-260. https://doi.org/10.21541/apjes.449102
AMA Beyaz M . Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers. APJES. 2019; 7(2): 255-260.
Vancouver Beyaz M . Energy Harvesting from Knee Motion Using Piezoelectric Patch Transducers. Akademik Platform Mühendislik ve Fen Bilimleri Dergisi. 2019; 7(2): 260-255.