Abstract
The direct measurement of mobile input forces in the high-frequency range is often impossible in many mechanical systems. In this paper, an algorithm for the reconstruction of a mobile input based on a parametric model of a system and on its response to the unknown input is proposed and validated. To apply the algorithm, the system must be described in terms of models of discrete poles and zeros. A simple damped mechanical system with complex behavior (constrained layer damped dual beam) identified with an ARMAX (autoregressive moving average with external input) model was used in this study. The output signals used in the algorithm validation phase were estimated with a custom procedure or narrow- and broadband mobile input forces.
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