Differential piezoresistive wind speed sensor on flexible substrate | Zendy

Yi Zhenxiang | Zendy; Zhao Tian | Zendy; Qin Ming | Zendy; Huang QingAn | Zendy

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Differential piezoresistive wind speed sensor on flexible substrate

Author(s) -

Yi Zhenxiang,

Zhao Tian,

Qin Ming,

Huang QingAn

Publication year - 2020

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2019.2903

Subject(s) - wind speed , piezoresistive effect , substrate (aquarium) , materials science , polyethylene terephthalate , differential (mechanical device) , optoelectronics , wind tunnel , front (military) , acoustics , composite material , engineering , mechanical engineering , physics , meteorology , aerospace engineering , geology , oceanography

In this Letter, a differential piezoresitive wind speed sensor on a flexible substrate is proposed. Two piezoresistors with the same size are fabricated on the front surface and back surface of the substrate, respectively. When the wind blows towards the device, the flexible substrate is bent, increasing the resistance on the front surface and reducing that on the back surface. The proposed sensor is fabricated on a polyethylene terephthalate substrate. Wind speed experiments are performed in the wind tunnel and the results demonstrate that the sensor can measure the wind speed up to about 20 m/s.

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