Structural modal parameter identifi cation and damage diagnosis based on Hilbert-Huang transform

• 作 者: Han Jianping Zheng Peijuan Wan
• 机 构: KeyLaboratoryofDisasterPreventionandMitigationinCivilEngineeringofGansuProvince
• 出 处: 地震工程与工程振动：英文版
• 发表日期: 2014年1期
• 关键词: MODAL parameter identifi CATION damage diagnosis Hilbert-Huang transform natural
• 基金项目: Gansu Science and Technology Key Project under Grant No.2GS057-A52-008

Traditional modal parameter identifi cation methods have many disadvantages,especially when used for processing nonlinear and non-stationary signals.In addition,they are usually not able to accurately identify the damping ratio and damage.In this study,me