Abstract—Structural Health Monitoring (SHM) is a process of continuous evaluation of a civil infrastructure by collecting information from a sensor network installed in the structure. It involves the process of observation of the system using the responses from a set of sensors, the extraction of damage sensitive features and the analysis of these features to determine the current health of the structure. Blind Source Separation (BSS) is a powerful signal processing tool that is used to identify the modal responses and mode shapes of a structure using the knowledge of responses.Time series method is used to know about the modal responses using time series modals the prediction can be done. An error index is used to identify the damage instant. Once the damage instant is identified the undamaged and damaged parameters of the system can be identified.The identification of the damage instant and the location can be done in this proposed method.
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