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识别简支梁桥结构损伤的新方法 被引量:1

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摘要 简单介绍了希尔伯特-黄变换(HHT)原理及相关概念,以及传统振动信号处理中的五个无量纲参数的定义。对某简支梁模型,利用振动系统采集振动响应信号,综合利用HHT和波形因数、裕度指标、峰值指标、峭度指标和脉冲指标对采集到的数据进行处理。实现了对损伤及其位置的识别。最后讨论了该方法的不足和需改进之处。
出处 《黑龙江科技信息》 2007年第03X期164-164,共1页 Heilongjiang Science and Technology Information
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