A Special Analysis of Significant Phenomena in Diagnostic Signal at Compressors Measurement

Author:

Stejskal Tomáš1,Valencik Stefan1,Kmec Ján2,Kucerka Daniel2,Bicejova Luba3

Affiliation:

1. Technical University of Kosice

2. Institute of Technology and Business in České Budějovice

3. Technical University of Košice

Abstract

The article deals with a special analysis of a random vibration signal received from working process. In principle, only time intervals between random phenomena whose summit values exceed the given limit are measured. Theoretically, phenomena stochastic distribution approximates to exponential distribution. The chart analysis of real distribution reveals characteristic features which help to recognize various technical states.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference19 articles.

1. L. Angrisani et al, A method for the automatic detection and measurement of transients - part I: the measurement method, Measurement 25/1 (1999) 19-30.

2. T. Barszcz, Monitoring and diagnostic systems for machinery (Systemy monitorowania i diagnostyki maszyn), ITE, Radom (2006). (in Polish).

3. G. Dalpiaz et al, Effectiveness and sensitivity of vibration processing techniques for local fault detection in gears, Mechanical Systems and Signal Processing 14 (2000) 387-412.

4. C. Davies, R.M. Greenough, The use of information systems in fault diagnosis, in: Proceedings of the 16th National Conference on Manufacturing Research, University of East London, UK, (2000).

5. R. Magiera, Models and Methods of Mathematical Statistics, GiS Press, Wroclaw, 2002. (in Polish).

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