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dc.contributor.authorWang, Yongqingen_US
dc.contributor.authorSun, Kunen_US
dc.contributor.authorZhang, Qishengen_US
dc.contributor.authorYu, Samson Shenglongen_US
dc.contributor.authorHan, Boon Siewen_US
dc.contributor.authorWang, Jianpengen_US
dc.contributor.authorZhao, Mingyanen_US
dc.contributor.authorMeng, Xianglinen_US
dc.contributor.authorChen, Sichengen_US
dc.contributor.authorZheng, Yuanjinen_US
dc.identifier.citationWang, Y., Sun, K., Zhang, Q., Yu, S. S., Han, B. S., Wang, J., Zhao, M., Meng, X., Chen, S. & Zheng, Y. (2023). Flexible integrated sensor with asymmetric structure for simultaneously 3D tactile and thermal sensing. Biosensors and Bioelectronics, 224, 115054-.
dc.description.abstractThe human body detects tactile stimuli through a combination of pressure force and temperature signals via various cutaneous receptors. The development of a multifunctional artificial tactile perception system has potential benefits for future robotic technologies, human-machine interfaces, artificial intelligence, and health monitoring devices. However, constructing systems beyond simple pressure sensing capabilities remains challenging. Here, we propose an artificial flexible and ultra-thin (50 μ m) skin system to simultaneously capture 3D tactile and thermal signals, which mimics the human tactile recognition process using customized sensor pairs and compact peripheral signal-converting circuits. The 3D tactile sensors have a flower-like asymmetric structure with 5-ports and 4 capacitive elements in pairs. Differential and average signals would reveal the curl and amplitude values of the fore field with a resolution of 0.18/mm. The resistive thermal sensors are fabricated with serpentine lines and possess stable heat-sensing performance (165 mV/°C) under shape deformation conditions. Real-time monitoring of the skin stimuli is displayed on the user interface and stored on mobile clients. This work offers broad capabilities relevant to practical applications ranging from assistant prosthetics to artificial electronic skins.en_US
dc.description.sponsorshipAgency for Science, Technology and Research (A*STAR)en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.relation.ispartofBiosensors and Bioelectronicsen_US
dc.rights© 2022 Elsevier B.V. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleFlexible integrated sensor with asymmetric structure for simultaneously 3D tactile and thermal sensingen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.researchSchaeffler Hub for Advanced Research (SHARE@NTU)en_US
dc.subject.keywordsRotationally Symmetric Structureen_US
dc.subject.keywords3D Tactile Sensingen_US
dc.description.acknowledgementThis research is supported by the Agency for Science, Technology and Research (A*STAR) under its IAF-ICP Programme ICP1900093, the Schaeffler Hub for Advanced Research at NTU. The authors are also grateful to the National Natural Science Foundation of China (NO. 52105169) and the China Scholarship Council (NO. 202006400062).en_US
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