Design and calibration of bionic lateral line sensor based on PVDF

Guishen Wang; Feng Ding; Luyao Sun; Hengcong Yu

doi:10.1117/12.2640264

9 May 2022 Design and calibration of bionic lateral line sensor based on PVDF

Guishen Wang, Feng Ding, Luyao Sun, Hengcong Yu

Proceedings Volume 12252, International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI); 122520A (2022) https://doi.org/10.1117/12.2640264
Event: International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI), 2022, Guangzhou, China

Abstract

Ocean current measurement plays an important role in marine scientific research. Studies on the lateral line system show that it can accurately perceive the strength, direction, water pressure and other information of the surrounding water flow. Based on this biological principle, the bionic lateral line sensor is designed with PVDF, which is a polymer piezoelectric material with outstanding piezoelectric characteristics. The parameter and structure of the sensor are optimized by the computational fluid dynamics method. The theoretical model of the sensor is established by combining the hydrodynamics and piezoelectric effect. The experimental results show that the actual measurement value of bionic line sensor fits the theoretical model well. The flow velocity measurement range is 0.02m/s-0.5m/s, and the accuracy is less than 4%.

Citation Download Citation

Guishen Wang, Feng Ding, Luyao Sun, and Hengcong Yu "Design and calibration of bionic lateral line sensor based on PVDF", Proc. SPIE 12252, International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI), 122520A (9 May 2022); https://doi.org/10.1117/12.2640264

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