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A Broad Range Triboelectric Stiffness Sensor for Variable Inclusions Recognition.


ABSTRACT: With the development of artificial intelligence, stiffness sensors are extensively utilized in various fields, and their integration with robots for automated palpation has gained significant attention. This study presents a broad range self-powered stiffness sensor based on the triboelectric nanogenerator (Stiff-TENG) for variable inclusions in soft objects detection. The Stiff-TENG employs a stacked structure comprising an indium tin oxide film, an elastic sponge, a fluorinated ethylene propylene film with a conductive ink electrode, and two acrylic pieces with a shielding layer. Through the decoupling method, the Stiff-TENG achieves stiffness detection of objects within 1.0 s. The output performance and characteristics of the TENG for different stiffness objects under 4 mm displacement are analyzed. The Stiff-TENG is successfully used to detect the heterogeneous stiffness structures, enabling effective recognition of variable inclusions in soft object, reaching a recognition accuracy of 99.7%. Furthermore, its adaptability makes it well-suited for the detection of pathological conditions within the human body, as pathological tissues often exhibit changes in the stiffness of internal organs. This research highlights the innovative applications of TENG and thereby showcases its immense potential in healthcare applications such as palpation which assesses pathological conditions based on organ stiffness.

SUBMITTER: Zhao Z 

PROVIDER: S-EPMC10589179 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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A Broad Range Triboelectric Stiffness Sensor for Variable Inclusions Recognition.

Zhao Ziyi Z   Quan Zhentan Z   Tang Huaze H   Xu Qinghao Q   Zhao Hongfa H   Wang Zihan Z   Song Ziwu Z   Li Shoujie S   Dharmasena Ishara I   Wu Changsheng C   Ding Wenbo W  

Nano-micro letters 20231020 1


With the development of artificial intelligence, stiffness sensors are extensively utilized in various fields, and their integration with robots for automated palpation has gained significant attention. This study presents a broad range self-powered stiffness sensor based on the triboelectric nanogenerator (Stiff-TENG) for variable inclusions in soft objects detection. The Stiff-TENG employs a stacked structure comprising an indium tin oxide film, an elastic sponge, a fluorinated ethylene propyl  ...[more]

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