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- W1994582253 abstract "Active vibration control systems are becoming essential and viable means for minimizing the structural vibrations of large flexible structures. Distinct among the presently available active control systems are those that make use of piezoelectric materials as sensors and actuators. Two approaches to active control namely the coupled control and the independent control are applied in controlling the structural vibrations of beams and plates. In coupled control all vibration modes are controlled at the same time, whereas in independent control a selected number of modes are controlled independently by equal number of actuators. The two commonly available piezoelectric materials namely the PZT and PVDF are used in the study. The bending vibrations of the structure alone are considered in the control. Various control algorithms like direct proportional feedback, constant-gain negative velocity feedback, constant-amplitude negative velocity feedback, Lyapunov feedback and optimal control are used in determining the feedback control forces in the closed loop control system. The natural damping of the structure is not included in all the analysis, in order to check the working of the control process. The structural vibrations are actively controlled for various types of loading such as impulse, harmonic and random." @default.
- W1994582253 created "2016-06-24" @default.
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- W1994582253 date "1998-04-16" @default.
- W1994582253 modified "2023-09-23" @default.
- W1994582253 title "<title>Active vibration control of beams and plates with piezoelectric materials</title>" @default.
- W1994582253 doi "https://doi.org/10.1117/12.305547" @default.
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