Identification of Modal and Stiffness Parameters of Time-Varying Train–Bridge Systems from Train-Induced Vibrations Using Autoregressive Modeling and Truncated UKF
In the identification of railway bridges using train-induced vibrations, moving heavy train mass continuously affects the measured responses, making the modal parameters of the train–bridge system time-varying. A method is developed to identify such time-varying modes, utilizing small overlapping time windows sweepin...