Abstract
This paper deals with the structural and dynamic analysis of a building-like structure consisting of a three-story building with a PZT embedded actuator on one of the main columns. The mechanical structure is perturbed using an electromagnetic shaker, which provides forces with a wide range of excitation frequencies. The mechanical structure is modeled using Euler–Lagrange and experimental modal analysis techniques. For attenuation of the overall system response is implemented an active vibration control scheme via the PZT actuator, using both Positive Position Feedback (PPF) and Sliding-Mode Control in order, to simultaneously reduce the dominant modes and improve the overall closed-loop system response. Some experimental results are included to validate and illustrate the effectiveness of the overall system performance.KeywordsActive vibration controlModal analysisPositive Position FeedbackPZT actuatorsSliding-mode control
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