Browsing by Author "Rajesh, H."

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    Vibration Analysis of Composite Viscoelastic Core Sandwich Beam Using Active Control Techniques
    (Springer Science and Business Media Deutschland GmbH, 2024) Raghavendra, P.; Gatty, A.S.; Rajesh, H.; Deepak, T.N.; Rawal, Y.; Nagiredla, S.; Joladarashi, S.
    Vibration control is swiftly advancing in research, with diverse techniques being investigated to minimize detrimental vibration levels. Compared to metallic alloys, composite materials offer superior material properties while being lightweight. The main objective of this study is to develop active control techniques on Carbon/Glass Epoxy-reinforced composite sandwich beams with viscoelastic core using Proportional Integral Derivative (PID), Linear Quadratic Regulator (LQR), and Linear Quadratic Gaussian (LQG) Controllers. The approach involves conducting an experiment to obtain the Transient Response of the beams subjected to free vibration, which is then utilized to obtain the Transfer Function and State Space variables. MATLAB-Simulink obtained transfer function is used for implementing controllers to actively attenuate vibrational amplitudes and settling time. The outcomes reveal a significant reduction in settling time and vibrational peak amplitudes. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.