Underwater Biomimetic Lateral Line Sensor Based on Triboelectric Nanogenerator for Dynamic Pressure Monitoring and Trajectory Perception

Author:

Liu Jianhua1,Xu Peng12,Liu Bo1,Xi Ziyue1,Li Yuanzheng1,Guo Linan1,Guan Tangzhen13,Zhu Peng1,Meng Zhaochen1,Wang Siyuan1,Wang Hao1,Xu Minyi1ORCID

Affiliation:

1. Dalian Key Lab of Marine Micro/Nano Energy and Self‐powered Systems, Marine Engineering College Dalian Maritime University Dalian 116026 China

2. Intelligent Biomimetic Design Lab, College of Engineering Peking University Beijing 100871 China

3. Liquid Metal and Cryogenic Biomedical Research Center Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China

Abstract

AbstractDeveloping desirable sensors is crucial for underwater perceptions and operations. The perceiving organs of marine creatures have greatly evolved to react accurately and promptly underwater. Inspired by the fish lateral line, this study proposes a triboelectric dynamic pressure sensor for underwater perception. The biomimetic lateral line sensor (BLLS) has high sensitivity to the disturbance amplitude/frequency, good adaptability to underwater environments and (relative) low cost. The sensors are deployed at the bottom of the test basin to perceive various moving objects, such as a robotic fish, robotic seal, etc. By analyzing the electrical signal of the sensor, the motion parameters of the objects passed over can be obtained. By monitoring signal variations across multiple sensors, the ability to sense different disturbance movement trajectories, including linear and angular trajectories, is achievable. The study will prove significant in forming an unconventional underwater perceiving method, which can back‐up the sonic/optical sensors when are impaired in complex underwater environments.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Publisher

Wiley

Subject

Biomaterials,Biotechnology,General Materials Science,General Chemistry

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