Flexible Pressure Sensors in Human-Machine Interface Applications

Chengsheng Xu

doi:10.1002/smll.202306655

Flexible Pressure Sensors in Human-Machine Interface Applications

2023-11-27

21

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AI

DOI：10.1002/smll.202306655

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Flexible sensors are highly flexible, malleable, and capable of adapting todifferent shapes, surfaces, and environments, which opens a wide range ofpotential applications in the field of human-machine interface (HMI). Inparticular, flexible pressure sensors as a crucial member of the flexiblesensor family, are widely used in wearable devices, health monitoringinstruments, robots and other fields because they can achieve accuratemeasurement and convert the pressure into electrical signals. The mostintuitive feeling that flexible sensors bring to people is the change ofhuman-machine interface interaction, from the previous rigid interaction suchas keyboard and mouse to flexible interaction such as smart gloves, more inline with people's natural control habits. Many advanced flexible pressuresensors have emerged through extensive research and development, and to adaptto various fields of application. Researchers have been seeking to enhanceperformance of flexible pressure sensors through improving materials, sensingmechanisms, fabrication methods, and microstructures. This paper reviews the flexible pressure sensors in HMI in recent years, mainlyincluding the following aspects: current cutting-edge flexible pressuresensors; sensing mechanisms, substrate materials and active materials; sensorfabrication, performances, and their optimization methods; the flexiblepressure sensors for various HMI applications and their prospects. Some flexible pressure sensors for human-machine interface applications. The diagram in the center: Reproduced (Adapted) with permission. Copyright 2022, Wiley. Image of sound waves: Reproduced (Adapted) with permission. Copyright 2020, American Chemical Society (ACS). Image of Hello: Reproduced (Adapted) with permission. Copyright 2020, Elsevier. Image of security identification: Reproduced (Adapted) with permission. Copyright 2021, Wiley. Image of manipulator controlee: Reproduced (Adapted) with permission. Copyright 2019, Royal Society of Chemistry (RSC). Image of grabbing objects: Reproduced (Adapted) with permission. Copyright 2020, Elsevier. Image of piano playing: Reproduced (Adapted) with permission. Copyright 2017, American Chemical Society (ACS). Image of bionic hand: Reproduced (Adapted) with permission. Copyright 2015, American Association for the Advancement of Science (AAAS). Image of handshakes: Reproduced (Adapted) with permission. Copyright 2019, American Association for the Advancement of Science (AAAS). Image of bionic insect: Reproduced (Adapted) with permission. Copyright 2018, American Association for the Advancement of Science (AAAS). Image of plantar pressure: Reproduced (Adapted) with permission. Copyright 2018, American Chemical Society (ACS). Image of Pulse monitoring: Reproduced (Adapted) with permission. Copyright 2017, Wiley. Image of breath: Reproduced (Adapted) with permission. Copyright 2019, American Chemical Society (ACS).image

Keyword:

flexible sensor

human-machine interface

pressure sensor

wearable devices

medical IOT

Flexible Pressure Sensors in Human-Machine Interface Applications

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