上机参数对电力与数据信号同传弹性织带传输性能的影响OA

To address the need for integrated power and data signal transmission in wearable electronic systems,this study designed and fabricated a three-layer elastic fabric ribbon capable of synchronous power and signal delivery.Bidirectionally spirally wound conductive yarns were employed for the ribbon to form differential signal pairs,ensuring high-quality transmission of high-frequency signals.The research systematically investigated the impact of key weaving parameters including let-off ratio(conductive yarn/elastic yarn)and warp tension(elastic yarn tension and conductive yarn tension)on signal transmission performance across the high-frequency range of 100 kHz to 1 GHz. Experimental results indicate that the let-off ratio is the core parameter governing the signal transmission performance of the woven ribbon.When the let-off ratio is 1.0,an optimal balance is achieved between the feed amounts of conductive and elastic yarns,resulting in the most stable loom-off woven structure and the optimal spatial configuration of the conductive yarns.Under this condition,the ribbon exhibits the lowest insertion loss(approximately-16 dB/m),the shortest transmission delay(approximately 23 ns/m),and the most stable differential characteristic impedance,achieving good characteristic impedance matching.Regarding warp tension,the study finds that the elastic yarns primarily finely adjusts the physical path of the conductive yarns and their contact with the surrounding medium by the internal residual stress distribution within the fabric.This exerts a limited influence on transmission delay and DC resistance,while its impact on high-frequency attenuation and characteristic impedance is relatively weak.Conductive yarn tension,by controlling its own straightness and stress state within the fabric,non-linearly affects transmission loss,group delay,and characteristic impedance.Moderate conductive yarn tension helps shorten the effective electrical path and reduce loss,whereas excessive tension introduces additional losses.Analysis of variance further quantifies the degree of influence of each parameter.The let-off ratio has the most significant effect on characteristic impedance,conductive yarn tension is the most critical factor affecting insertion loss and group delay,while the elastic yarn tension with a statistically significant influence is relatively small in magnitude. In summary,this study systematically optimized weaving parameters to determine a 1.0 warp-to-weft ratio as the optimal configuration,while elucidating the influence mechanisms and relative weighting of the tension parameters of different kinds of warp yarns.The findings provide direct process guidance and theoretical foundations for controllable weaving and performance regulation in high-performance fabric transmission lines.The developed elastic fabric tape is expected to serve as a viable solution for achieving efficient,reliable integrated power supply and high-speed data interconnection in next-generation smart clothing systems.