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Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...
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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Flexible Pressure Sensors in Human-Machine Interface Applications.

Chengsheng Xu1,2, Jing Chen2, Zhengfang Zhu2

  • 1College of Big Data and Internet, Shenzhen Technology University, Shenzhen, Guangdong, 518118, China.

Small (Weinheim an Der Bergstrasse, Germany)
|November 27, 2023
PubMed
Summary
This summary is machine-generated.

Flexible pressure sensors offer adaptable human-machine interfaces (HMI) for wearables and robotics. This review covers their advanced materials, mechanisms, and fabrication for enhanced performance and applications.

Keywords:
flexible sensorhuman‐machine interfacemedical IOTpressure sensorwearable devices

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Area of Science:

  • Materials Science
  • Engineering
  • Human-Computer Interaction

Background:

  • Flexible sensors are crucial for human-machine interfaces (HMI), enabling intuitive interactions.
  • Flexible pressure sensors convert physical pressure into electrical signals for applications like wearables and robotics.

Purpose of the Study:

  • To review recent advancements in flexible pressure sensors for HMI applications.
  • To explore cutting-edge technologies, materials, mechanisms, fabrication, and performance optimization.

Main Methods:

  • Review of current literature on flexible pressure sensors.
  • Analysis of sensing mechanisms, substrate and active materials.
  • Examination of fabrication techniques and performance optimization strategies.

Main Results:

  • Overview of state-of-the-art flexible pressure sensors.
  • Discussion on various sensing mechanisms, materials (substrates, active layers), and fabrication methods.
  • Analysis of performance metrics and optimization approaches.

Conclusions:

  • Flexible pressure sensors are vital for next-generation HMIs, offering improved natural interaction.
  • Continued research in materials, fabrication, and mechanisms will drive further performance enhancements and broader applications.