National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Acoustic emission signal classification at cyclic loading of parts
Stein, Pavel ; Mazůrek, Ivan (referee) ; Mazal, Pavel (advisor)
This master’s thesis is concerned analysis of signal of acoustic emission. The analysis is based on data of bearing material and real bearings testing, tested in the Axmat stands. The data was run by software Matlab and Python. Below I created plan for identification of damage stage depending on particular AE events. The results are put into diagram. Finally I’m trying to develop the new possibilities of using acoustic emission into practice on the real machines. There could be earlier prediction of a defect of monitored bearings compared to vibrating diagnostic used until now.
Wind power station tower - calculation
Stein, Pavel ; Vrbka, Martin (referee) ; Nevrlý, Josef (advisor)
The target of this labour is to give summary of contemporary level of construction of wind power station tower. The first part describes importance and progress of alternative sources of energy, especially wind energetic in Czech republic. Next point concerns some construct options of wind power station tower and its basic elements. Close of the work is oriented to modern forms in problems of the wind power station tower and indicates options of modern development.

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