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提出了一种新颖的、采用刻纹多模光纤组成的可用于机敏材料与结构的竹节形光纤传感阵列,并探索采用人工神经网络来处理其输出的并行分布式传感信号,由此得到材料内应变、应力及损伤的大小及其位置等信息。给出了用BP网络对复合材料内光纤阵列传感信号的处理结果。
A new type of bamboo-shaped fiber sensing array which is made of engraved multimode fiber and can be used for smart materials and structures is proposed. The parallel distributed sensing signal which uses artificial neural network to process its output is explored. Get the material strain, stress and damage the size and location and other information. The results of processing the fiber array sensing signal in the composite with BP network are given.