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January 4, 2023Open Access

A Flexible Pressure Sensor with Highly Customizable Sensitivity and Linearity via Positive Design of Microhierarchical Structures with a Hyperelastic Model

Zhenjin Xu Dezhi Wu Zhiwen Chen Zhongbao Wang Cong Cao Xiangyu Shao Gang Zhou Shaohua Zhang Lingyun Wang Daoheng Sun

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Key Points

The aim is to develop a flexible pressure sensor with customizable sensitivity and linearity through innovative design methods.
Utilized a positive design strategy with a hyperelastic model.
Employed a Hertzian contact model for comparison.
Precalculated microstructure distribution based on desired sensitivity before fabrication.
Three sensors achieved sensitivities of 0.7, 1.0, and 1.3 kPa-1.
Demonstrated linear performance over a working range up to 200 kPa.
Exhibited low sensitivity errors across tested models.

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Implication

Flexible pressure sensors demonstrate customizable sensitivity and linearity, indicating a significant advancement in tactile electronics.

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Cite This Study

Xu et al. (2023) studied this question.

synapsesocial.com/papers/69b2580996eeacc4fcec737b https://doi.org/10.1038/s41378-022-00477-w">https://doi.org/10.1038/s41378-022-00477-w</a></p

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