What is it about?
The natural frequency of second order, undamped systems are updated using a multiplicative approach. The proposal reassigns an unwanted part of the spectrum, preserving the remaining eigenstructure. A possible application is the active vibration suppression using acceleration feedback.
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Why is it important?
Active vibration suppression is a technical content that applied in several fields, as structural vibration control and other contemporary problems.
Perspectives
This work may be continued, to include the damped case and thus covers a more general class of models. The use of accelerometers to control purposes also is an excellent issue highlighted here.
Professor José Araújo
Instituto Federal de Educacao Ciencia e Tecnologia da Bahia
Read the Original
This page is a summary of: A multiplicative eigenvalues perturbation and its application to natural frequency assignment in undamped second-order systems, Proceedings of the Institution of Mechanical Engineers Part I Journal of Systems and Control Engineering, May 2018, SAGE Publications,
DOI: 10.1177/0959651818771482.
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