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Exploration of Silicon Flexible Skin to Intelligent Textiles

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Tutor: ZhangHongHai LiuSheng
School: Huazhong University of Science and Technology
Course: Subtle manufacturing engineering
Keywords: Smart clothing,Microelectromechanical systems,Flexible silicon-based thin-film,F
CLC: TS941.1
Type: Master's thesis
Year:  2007
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Abstract:
Smart clothing, also known as smart fabrics, electronics, clothing, etc., traditional fabrics, new conductive materials, and new sensors based on micro-electromechanical systems technology, the processor integration of a new type of technology. Smart clothing has a very prominent use value. On the military side, the smart uniforms for combat soldiers to provide communications, battlefield positioning, protecting color invisible comprehensive help, it will become an integral part of the next generation of war equipment, has an extremely important significance for China to improve defense military force. In the civil context, we can achieve real-time remote monitoring and control, in the case of patient movement and avoid past shortcomings by monitoring the activities of inconvenience. Smart clothing can also be customized according to the different needs of different functions, will become indispensable to human life of the part. This thesis work is carried out under the support of the National Natural Science Foundation of China. This thesis work by giving smart clothing detection of physiological parameters, and to study the design of flexible silicon thin-film manufacturing, and assembly of textile fibers intertextual explore the combination of \way. By theoretical calculation, computer simulation and experimental methods, production process and package structure of the the integrated flexible silicon thin-film sensor in-depth study, and assembly of flexible silicon thin-film reliability testing and results analysis , and proved to this assembly method can significantly improve the life of the smart clothing. This thesis studied from three aspects: First, in the design of flexible silicon thin-film: two flexible substrate materials, production methods and the respective characteristics; analysis of two flexible silicon thin-film production methods, and finite element analysis to compare the two ways to create a flexible silicon-based thin-film. Secondly, in the design of a sensor integrated in the flexible silicon thin film: Design thermal resistance temperature sensor for detecting the temperature of the flexible electrode for detecting the ECG information and the acoustic sensor for detecting heart sounds information, analysis temperature The reason for the change of the output signal of the sensor sensing unit and using the bridge circuit detecting resistor method, analysis of the principle of the chest wall of the flexible electrode lead, and the ECG signal detection method, analysis of the principle of detecting heart sounds, and by computer simulation method to optimize the design of the acoustic sensor. Finally, the working principle of the flexible silicon-based thin-film technology based smart garment in smart clothing assembly aspect: analysis, the use of conductive fibers will be flexible silicon thin film and the fabric assembly, after assembly of the flexible bending of the silicon thin film reliable sexual conduct experimental analysis.
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