Numerical modelling of coupled electro-mechanical problems for the state space controller design
Tamara N. Nestorovic, Miroslav Trajkov · UPCommons institutional repository (Universitat Politècnica de Catalunya) · 2011
Model development for coupled electro-mechanical problems in light-weight smart structure design is the subject of this paper. The paper addresses development of reliable models for the controller design of piezoelectric smart structures and systems, within an overall design procedure. Model development is based on the finite element (FE) approach, with application of modal reduction techniques for obtaining the state space models convenient for the controller design. Modal truncation and balanced modal reduction are considered as modal reduction techniques, with regard to controllability and observability issues. From the model optimization and verification point of view the experimental modal analysis and identification issues are addressed as well. Examples of model application to controller design document the feasibility of the technique.