Abstract
The active vibration control system for aluminum plate with SFSF boundary conditions with using piezo-patch actuators is presented in the paper. Piezo-actuators and piezo-sensors are located in opposite site of the plate. Moreover such elements of control system are oriented in their quasi-optimal locations in two perpendicular directions X and Y. The mathematical models of the plate are determined separately for odd and even modes in selected frequency range 10–250 Hz with using Digital Signal Analyzer at the laboratory stand. Such approach allowed us to design two PD control laws for considered models with help Matlab/Simulink software. In the last chapter the experimental tests of the open-loop and closed-loop systems in time and frequency domain are presented. The obtained results have proved that these controllers were designed correctly. Additional damp in the both closed-loop systems cause the excellent vibration reduction in comparison to the open-loop system for the whole mechanical structure.
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