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Vibrational diagnostics of electrical machines

Klimowski M.

Zeszyty Naukowe. Elektryka / Politechnika Opolska

2014

z. 70

45-46

Vibrational diagnostics of electrical machine is a significant element in prevention of serious industrial breakdowns. Presenting the ways, methods and elements of the applied vibrational diagnostics is the subject of this article.

Vibration diagnostics of footbridge with use of rotation sensor

Banaś A., Wilde K.

Applied Computer Science

2014

Vol. 10, no 4

38--49

The benefits of the additional measurement of rotational degrees of free-dom on the performance of the vibration diagnosis of bridges are studied in this paper. The common vibrational diagnostics that uses translational degrees of freedom is extended by measurements of rotations. The study is curried out on a footbridge and the presence of damage as well as its location and size is determined with use of FEM updating procedure. The results showed that rotational degrees of freedom significantly improve the effectiveness of the vibrational method.

Influence of operational modes of a powerful turboset on its vibrational state

Shulzenko N. G., Efremov Yu. G.

Transactions of the Institute of Fluid-Flow Machinery

2003

nr 114

147-153

A correlation method for estimation of the influence of the change of turboset operational modes on its vibrational state using experimental data at post-analysis is used. For the solution of the problem in the automated operational mode of a system for vibrational diagnostics, the method using average value and current values of indexes of vibrational and technological processes is proposed. The results of full-scale investigations of vibrational state of the turboset at the change of power consumption are presented.