Split‐Type Magnetic Soft Tactile Sensor with 3D Force Decoupling

Tactile sensory organs for sensing 3D force, such as human skin and fish lateral lines, are indispensable for organisms. With their sensory properties enhanced by layered structures, typical sensory organs can achieve excellent perception as well as protection under frequent mechanical contact. Here...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2024-03, Vol.36 (11), p.e2310145-n/a
Main Authors: Dai, Huangzhe, Zhang, Chengqian, Pan, Chengfeng, Hu, Hao, Ji, Kaipeng, Sun, Haonan, Lyu, Chenxin, Tang, Daofan, Li, Tiefeng, Fu, Jianzhong, Zhao, Peng
Format: Article
Language:English
Subjects:
3D force decoupling
artificial e‐skin
Bionics
Decoupling
Flexible components
flexible electronics
magnetic
Organs
Perception
Sensors
tactile sensors
Tactile sensors (robotics)
Water flow
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Summary:Tactile sensory organs for sensing 3D force, such as human skin and fish lateral lines, are indispensable for organisms. With their sensory properties enhanced by layered structures, typical sensory organs can achieve excellent perception as well as protection under frequent mechanical contact. Here, inspired by these layered structures, a split‐type magnetic soft tactile sensor with wireless 3D force sensing and a high accuracy (1.33%) fabricated by developing a centripetal magnetization arrangement and theoretical decoupling model is introduced. The 3D force decoupling capability enables it to achieve a perception close to that of human skin in multiple dimensions without complex calibration. Benefiting from the 3D force decoupling capability and split design with a long effective distance (>20 mm), several sensors are assembled in air and water to achieve delicate robotic operation and water flow‐based navigation with an offset
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202310145