Progress and application of wearable flexible electronic strain sensors
As the core of intelligent sensing technology,flexible strain sensors have advantages such as high flexibility,sensitivity and stability.The fusion of flexible strain sensors and artificial intelligence technology enables comprehensive,multi-angle,and multi-level data collection of signals generated by human life activities,achieving applications in fields such as medical monitoring,human-machine interaction,and electronic skin.This article reviews the types and sensing mechanism of flexible strain sensors,and expounds the advantages of the sensors with different microstructures in detection range,sensitivity,and stability.It surveys the development trend and research progress of intelligent wearable flexible strain sensors in the past decade and finally discusses the application of flexible strain sensors in human motion detection,and medical monitoring,virtual reality and electronic skin.It summarizes the key issues that need to be addressed urgently for flexible strain sensors,and it envisions the future development trends.