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Computed Force-Based Sliding Mode Control for Vibration of Flexible Rectangular Plate

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Abstract:

In this paper, we developed an approach for active vibration control of flexible rectangular plate structures using control theory. The flexible rectangular plate system is firstly modeled and simulated via a finite element method; and secondly, a new type of modeling method, and the state–space model are involved in the development of the equation of motion in state–space, which is efficiently used for the analysis of the system and design of control laws with a modern control framework. Then, the validity of the obtained new model is investigated by comparing the plate natural frequencies and forced vibration response analysis predicted by the finite element model with the calculated values obtained from new model. After validating the model, computed force-based sliding mode MIMO controller is applied to the plate dynamics via the MATLAB/Simulink platform. The simulation results clearly demonstrate an effective vibration suppression capability that can be achieved using computed force-based sliding mode MIMO controller.

Keywords: ACTIVE VIBRATION CONTROL; FLEXIBLE RECTANGULAR PLATE; FORCE-BASED SLIDING MODE MIMO CONTROLLER; MODELING METHOD

Document Type: Research Article

DOI: https://doi.org/10.1166/asl.2012.2207

Publication date: 2012-03-01

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