Real-time monitoring of plantar pressure has significant applications in wearable biosensors,sports injury detection,and early diagnostics.Herein,an all-in-one insole composed of 24 capacitive pressure sensors(CPSs)wi...Real-time monitoring of plantar pressure has significant applications in wearable biosensors,sports injury detection,and early diagnostics.Herein,an all-in-one insole composed of 24 capacitive pressure sensors(CPSs)with vertical pores in an elastic dielectric layer is fabricated by laser cutting.Optimized CPSs with a hexagonal configuration and a pore size of 600μm possess good linearity over a wide detection range of 0–200 kPa with a sensitivity of 12×10^(–3) kPa−1.Then,a smart system including the all-in-one insole with the 24 CPS array,a data acquisition system with a wireless transmitter and a PC terminal with a wireless receiver is established for real-time monitoring to realize static and dynamic plantar pressure mapping.Based on this smart insole system,various standing and yoga postures can be distinguished,and variations in the center of gravity during walking can be recognized.This intelligent insole system provides great feasible supervision for health surveillance,injury prevention,and athlete training.展开更多
In recent years,the development of wearable devices has a growing demand for flexible solar cells.Among them,improving the efficiency of the cells,enhancing the stability of device performance during bending and achie...In recent years,the development of wearable devices has a growing demand for flexible solar cells.Among them,improving the efficiency of the cells,enhancing the stability of device performance during bending and achieving self-repairing are important focuses of researchers.Perovskite materials have been found to be one of the new materials to improve the efficiency of flexible solar cells[1],[2].展开更多
With the development of information technology,AI system and Internet of Things(IOT)technology,it is a long-term challenge to realize the automate actions of power devices in unexpected environmental changes.In recent...With the development of information technology,AI system and Internet of Things(IOT)technology,it is a long-term challenge to realize the automate actions of power devices in unexpected environmental changes.In recent years,many efforts had been reported to develop new intelligent power devices.Among them,III-V material alloys with semiconductor and piezotronic effect had been proved to be a very effective solution for power electronics application problems.展开更多
基金supported by the National Key R&D Program of China(2021YFB3200302 and 2021YFB3200304)Beijing Natural Science Foundation(L223006,Z180011,and 2222088)+2 种基金Shenzhen Science and Technology Program(KQTD20170810105439418)the National Natural Science Foundation of China(52125205,U20A20166,and 52192614)the Fundamental Research Funds for the Central Universities。
基金supported by the National Key Research and Development Program of China (2016YFA0202703)the National Natural Science Foundation of China (51622205, 61675027, 51432005, 61505010, and 51502018)+1 种基金Beijing City Committee of Science and Technology (Z171100002017019 and Z181100004418004)Beijing Natural Science Foundation (4181004, 4182080, 4184110, and 2184131)
基金We thank the support of the national key R&D project from the Minister of Science and Technology,China(2016YFA0202703)Natural Science Foundation of Beijing Municipality(4181004,4182080,4184110,2184131,and Z180011)+2 种基金National Natural Science Foundation of China(Nos.61675027,51622205,51432005,61805015,and 61804011)Beijing City Committee of science and technology(Z171100002017019 and Z181100004418004)University of Chinese Academy of Sciences.
文摘Real-time monitoring of plantar pressure has significant applications in wearable biosensors,sports injury detection,and early diagnostics.Herein,an all-in-one insole composed of 24 capacitive pressure sensors(CPSs)with vertical pores in an elastic dielectric layer is fabricated by laser cutting.Optimized CPSs with a hexagonal configuration and a pore size of 600μm possess good linearity over a wide detection range of 0–200 kPa with a sensitivity of 12×10^(–3) kPa−1.Then,a smart system including the all-in-one insole with the 24 CPS array,a data acquisition system with a wireless transmitter and a PC terminal with a wireless receiver is established for real-time monitoring to realize static and dynamic plantar pressure mapping.Based on this smart insole system,various standing and yoga postures can be distinguished,and variations in the center of gravity during walking can be recognized.This intelligent insole system provides great feasible supervision for health surveillance,injury prevention,and athlete training.
基金supported by the Natural Science Foundation of Beijing Municipality(2222088,L223006,and Z180011)the National Key R&D Program of China(2021YFB3200302 and2021YFB3200304)+2 种基金the National Natural Science Foundation of China(52125205,U20A20166 and 52192614)Shenzhen Science and Technology Program(KQTD20170810105439418)the Fundamental Research Funds for the Central Universities
文摘In recent years,the development of wearable devices has a growing demand for flexible solar cells.Among them,improving the efficiency of the cells,enhancing the stability of device performance during bending and achieving self-repairing are important focuses of researchers.Perovskite materials have been found to be one of the new materials to improve the efficiency of flexible solar cells[1],[2].
基金supported by the Beijing City Committee of Science and Technology(Z181100004418004 and Z171100002017019)Natural Science Foundation of Beijing Municipality(4182080,4181004,4184110,2184131,and Z180011)+2 种基金National Natural Science Foundation of China(1622205,61675027,51432005,61505010,and 51502018)National Key R&D Program of China(2016YFA0202703)University of Chinese Academy of Sciences。
文摘With the development of information technology,AI system and Internet of Things(IOT)technology,it is a long-term challenge to realize the automate actions of power devices in unexpected environmental changes.In recent years,many efforts had been reported to develop new intelligent power devices.Among them,III-V material alloys with semiconductor and piezotronic effect had been proved to be a very effective solution for power electronics application problems.
