Freestanding and Scalable Force-Softness Bimodal Sensor Arrays for Haptic Body-Feature Identification

Zequn Cui; Wensong Wang; Huarong XiaChangxian WangJiaqi TuShaobo JiJoel Ming Rui TanZhihua LiuFeilong ZhangWenlong LiZhisheng LvZheng LiWei GuoNien Yue KohKian Bee NgXue FengYuanjin ZhengXiaodong Chen

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Freestanding and Scalable Force-Softness Bimodal Sensor Arrays for Haptic Body-Feature Identification

机译：Freestanding and Scalable Force-Softness Bimodal Sensor Arrays for Haptic Body-Feature Identification

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摘要

Tactile technologies that can identify human body features are valuable inclinical diagnosis and human–machine interactions. Previously, cutting-edgetactile platforms have been able to identify structured non-living objects;however, identification of human body features remains challenging mainlybecause of the irregular contour and heterogeneous spatial distribution ofsoftness. Here, freestanding and scalable tactile platforms of force-softnessbimodal sensor arrays are developed, enabling tactile gloves to identify bodyfeatures using machine-learning methods. The bimodal sensors are engineeredby adding a protrusion on a piezoresistive pressure sensor, endowingthe resistance signals with combined information of pressure and the softnessof samples. The simple design enables 112 bimodal sensors to be integratedinto a thin, conformal, and stretchable tactile glove, allowing the tactileinformation to be digitalized while hand skills are performed on the humanbody. The tactile glove shows high accuracy (98) in identifying four bodyfeatures of a real person, and four organ models (healthy and pathological)inside an abdominal simulator, demonstrating identification of body featuresof the bimodal tactile platforms and showing their potential use in futurehealthcare and robotics.

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来源
《Advanced Materials》 |2022年第47期|2207016.1-2207016.10|共10页
作者
Zequn Cui; Wensong Wang; Huarong XiaChangxian WangJiaqi TuShaobo JiJoel Ming Rui TanZhihua LiuFeilong ZhangWenlong LiZhisheng LvZheng LiWei GuoNien Yue KohKian Bee NgXue FengYuanjin ZhengXiaodong Chen;
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作者单位

Institute of Materials Research and Engineeringthe Agency for ScienceTechnology and Research2 Fusionopolis Way, Innovis, #08-03, Singapore 138634, Singapore;

Innovative Center for Flexible Devices (iFLEX) & Max Planck–NTUJoint Lab for Artificial SensesSchool of Materials Science and EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, Singapore;

Lee Kong Chian School of MedicineNovena CampusNanyang Technological University11 Mandalay Road, Singapore 308232, SingaporeLaboratory of Flexible Electronics TechnologyTsinghua UniversityBeijing 100190, ChinaSchool of Electrical & Electronic EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, SingaporeInnovative Center for Flexible Devices (iFLEX) & Max Planck–NTUJoint Lab for Artificial SensesSchool of Materials Science and EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, Singapore Institute of Materials Research and EngInnovative Center for Flexible Devices (iFLEX) & Max Planck–NTUJoint Lab for Artificial SensesSchool of Materials Science and EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, Singapore Institute of Flexible Electronics TechnSchool of Materials Science and EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, Singapore;

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正文语种英语
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identification of body features; palpation; pressure sensors; softness sensing; tactile gloves;

Freestanding and Scalable Force-Softness Bimodal Sensor Arrays for Haptic Body-Feature Identification

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