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The new realized mobile device for extremal control research and presentation

100%

Urbanský M. , Kaššay P.

tom z. 89

173--178

At our department we deal with torsional oscillating mechanical systems (TOMS) continuous tuning during its operation in terms of torsional oscillation size. Therefore was build the new mobile device for research and presentation purposes of the TOMS continuous tuning using extremal control method. This paper deals mainly with design of the mobile device and its special compressed air distribution system, which is necessary for its regular function.

The analysis of the impact of vibrations on noisiness of the mechanical system

80%

Krajňák J. , Homišin J. , Grega R. , Urbanský M.

Diagnostyka

2016

tom Vol. 17, No. 3

21--26

The article describes the mechanical system developed at our department. It examines shaft couplings and their impact of torsional oscillation and vibrations on noisiness of the mechanical system. The noisiness of the mechanical system is compared with the vibrations measured in a given mechanical system. The article also presents the apparatus used for measurements. Every device is described in detail and highlights its use in practice. These devices were used for measurements in the laboratory and the results of the measurements are shown in the graphs. From the results, we can evaluate that vibration and noisiness are closely related. A detailed evaluation of the changes of individual values using a variety of shaft couplings is summarized at the end of the article.