近年来,以Wi-Fi为代表的无线局域网(Wireless Local Area Network,WLAN)技术不断发展和成熟,被广泛应用到各个领域。其中,将无线网络与传统控制系统融合起来,形成具备高移动性、可扩展性和灵活性等优势的无线网络控制系统(Wireless Netw...近年来,以Wi-Fi为代表的无线局域网(Wireless Local Area Network,WLAN)技术不断发展和成熟,被广泛应用到各个领域。其中,将无线网络与传统控制系统融合起来,形成具备高移动性、可扩展性和灵活性等优势的无线网络控制系统(Wireless Networked Control Systems,WNCS),成为控制界的研究趋势之一。针对基于Wi-Fi技术的无线网络控制系统进行了研究,利用TrueTime仿真工具箱以及MATLAB/Simulink仿真环境,构建了一个WNCS的仿真系统模型,设计了相应的PID控制器,并研究了网络传输速率、采样周期等网络性能指标对系统控制性能的影响。展开更多
Organic fi eld-eff ect transistors(OFETs)are fabricated using organic semiconductors(OSCs)as the active layer in the form of thin fi lms.Due to its advantages of high sensitivity,low cost,compact integration,fl exibil...Organic fi eld-eff ect transistors(OFETs)are fabricated using organic semiconductors(OSCs)as the active layer in the form of thin fi lms.Due to its advantages of high sensitivity,low cost,compact integration,fl exibility,and printability,OFETs have been used extensively in the sensing area.For analysis platforms,the construction of sensing layers is a key element for their effi cient detection capability.The strategy used to immobilize biomolecules in these devices is especially important for ensuring that the sensing functions of the OFET are eff ective.Generally,analysis platforms are developed by modifying the gate/electrolyte or OSC/electrolyte interface using biomolecules,such as enzymes,antibodies,or deoxyribonucleic acid(DNA)to ensure high selectivity.To provide better or more convenient biological immobilization methods for researchers in this fi eld and thereby improve detection sensitivity,this review summarizes recent developments in the immobilization strategies used for biological macromolecules in OFETs,including cross-linking,physical adsorption,embedding,and chemical covalent binding.The infl uences of biomolecules on device performance are also discussed.展开更多
文摘近年来,以Wi-Fi为代表的无线局域网(Wireless Local Area Network,WLAN)技术不断发展和成熟,被广泛应用到各个领域。其中,将无线网络与传统控制系统融合起来,形成具备高移动性、可扩展性和灵活性等优势的无线网络控制系统(Wireless Networked Control Systems,WNCS),成为控制界的研究趋势之一。针对基于Wi-Fi技术的无线网络控制系统进行了研究,利用TrueTime仿真工具箱以及MATLAB/Simulink仿真环境,构建了一个WNCS的仿真系统模型,设计了相应的PID控制器,并研究了网络传输速率、采样周期等网络性能指标对系统控制性能的影响。
基金supported by the National Natural Science Foundation of China(Nos.21922409,21976131,21575100)Tianjin Research Program of Application Foundation and Advanced Technology(Nos.18JCZDJC37500,17JCYBJC20500).
文摘Organic fi eld-eff ect transistors(OFETs)are fabricated using organic semiconductors(OSCs)as the active layer in the form of thin fi lms.Due to its advantages of high sensitivity,low cost,compact integration,fl exibility,and printability,OFETs have been used extensively in the sensing area.For analysis platforms,the construction of sensing layers is a key element for their effi cient detection capability.The strategy used to immobilize biomolecules in these devices is especially important for ensuring that the sensing functions of the OFET are eff ective.Generally,analysis platforms are developed by modifying the gate/electrolyte or OSC/electrolyte interface using biomolecules,such as enzymes,antibodies,or deoxyribonucleic acid(DNA)to ensure high selectivity.To provide better or more convenient biological immobilization methods for researchers in this fi eld and thereby improve detection sensitivity,this review summarizes recent developments in the immobilization strategies used for biological macromolecules in OFETs,including cross-linking,physical adsorption,embedding,and chemical covalent binding.The infl uences of biomolecules on device performance are also discussed.