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Novel Approach to Modal Model Reduction by Means of the Balanced Realization Method. Part 1 - Theory

Iwaniec J.

Molecular and Quantum Acoustics

2006

Vol. 27

107-117

The paper concerns quality improvement of modal model parameters estimation by means of the application of the Balanced Realization (BR) method to identification and removing spurious poles from stabilization diagrams. The author proposed modification of the classical BR method algorithm by introducing an objective criterion of model reduction. Formulated algorithm was implemented in the Matlab environment and verified for data measured on real structures.

Novel Approach to Modal Model Reduction by Means of the Balanced Realization Method. Part 2 - Applications

Iwaniec J.

Molecular and Quantum Acoustics

2006

Vol. 27

119-132

The paper concerns practical applications of the balanced model reduction method presented in the associated paper 'Novel Approach to Modal Model Reduction by Means of the Balanced Realization Method. Part 1 - Theory'. There are presented results of analysis carried out for frequency response functions measured on real mechanical structures such as laboratory frame, parallel milling manipulator and its base. Carried out research proved that created software realizing elaborated model reduction method is an efficient tool supporting selection of poles by means of stabilization diagram method.