Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain

<div>Schematic diagram (a) and real configuration (b) of the experimental structure and its laboratory set-up including the close-up views of the motor and its controller as well as the movable mass.</div>

Shock and Vibration

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Figure 3

Figure 3: Operational Modal Identification of Time-Varying Structures via a Vector Multistage Recursive Approach in Hybrid Time and Frequency Domain 