Active Vibration Control of Timoshenko Sigmoid Functionally Graded Porous Composite Beam with Distributed Piezoelectric Sensor/Actuator in a Thermal Environment

This work presents the study of dynamics and active control a cantilever sigmoid FGM beam with porosities in thermal environment. During this study, we considered Timoshenko beam’s theory combined finite element method (FEM). also comparative an experimental for vibration functionally graded piezoelectric (FGPM) to validate numerical model. Linear quadratic Gaussian (LQG) optimal Kalman filter was used using sensors actuators as symmetrical layers eliminate membrane effects. The controlled uncontrolled responses are presented, considering influence effect, porosity material, location sensor pair on smart structure. results indicate that effect well application involves increase frequencies, contrast power law index. shows effects result amplitudes.