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Home Publications Articles Technology of piston compressors real-time diagnostics and monitoring

Technology of piston compressors real-time diagnostics and monitoring

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Development of methodology and technology for piston compressors health control, diagnostics and monitoring by means of vibration analysis, as well as algorithms of automatic systems for piston compressors monitoring which provide their fault-free operation, is an actual problem.

Data collection and processing is the basis of piston compressors monitoring and diagnostics technology, thus providing compressors defects and malfunctions detection with a specified depth of their detailing and reliability and a hazard level.

Realization of monitoring and diagnostics technology is based on application of vibration-acoustic signals structure models upon occurrence of various defects and malfunctions in piston compressors components, set of malfunctions and standard values diagnostic features, methods of vibration-acoustic signals transformation and a system for their parameters estimation.

The paper considers methodology of the diagnostic signal processing and the monitoring system functional diagram.

The proposed monitoring and diagnostics methodology is based on measurement of vibration-acoustic oscillations parameters and characteristics, as well as measurement of direct structural and thermodynamic parameters.

The structure and functioning principles of the expert system for decision-making support have been  presented.

Functioning algorithm of the automatic expert system includes calculation of the diagnostic features values based on their normative ones, formation of the diagnostic features sets which correspond to individual malfunctions classes and formation of the expert system messages.

The scheme of the system for piston compressors real-time condition monitoring has been considered.

The system has a series-parallel structure of a data-measuring complex for data collection and processing, which allows to measure the vibration-acoustic signals parameters for piston compressors and their operating modes monitoring. Besides, the system allows to measure other physical processes parameters, for example, for monitoring and diagnosis-making purposes it has been provided to measure and apply pressure in decreasing spaces (an indicator diagram), gas temperature, a rod position, leakage through stuffing boxes and others.

References:

  1. GOST R 53563-2009. Condition monitoring and diagnostics of machines. Monitoring the condition of the equipment hazardous. Order organization - DYNAMICS SPC, Russian Technical Expertise, Scientific-and-Industrial Union "RISCOM", NPO "RDC CD", – Introduced on 01/01/2011, Moscow, "Standardinform" - 2010 – 5 p.
  2. Naumenko A.P., Vibration-acoustic model of piston compressor diagnostic signal // Dynamics of systems, mechanisms and machinery systems: materials of VII International Scientific and Technical Conference, 10-12 November 2009, Omsk. Omsk Technical State University, 2009. Vol. 2. P. 39-44.
  3. Naumenko A.P., Methodology of vibration-acoustic diagnostics of piston machinery // Bauman’s MSTU Reporter. Special edition. Mechanical engineering series. Moscow, Moscow State Technical University n.a. N.E. Bauman. 2007. p. 85-95.
  4. Naumenko A.P., Models of piston compressor vibration-acoustic signals // Science, Education and Business: materials of regional scientific and practical conference devoted to Radio day. Omsk, KAN, 2010, p. 114-120.
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  8. Kostyukov V.N., Naumenko A.P., Practice of piston machines vibration-acoustic diagnostics (article), V.N. Kostyukov, A.P. Naumenko, Collected works on engine building problems, devoted to the 175th Anniversary of Moscow State Technical University n.a. N.E. Bauman, Moscow, 2005, pp. 30-33.
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  12. GOST R 53565-2009. Condition monitoring and diagnostics of machines. Monitoring the condition of the equipment hazardous. Vibration centrifugal pump and compressor units - DYNAMICS SPC, Russian Technical Expertise, Scientific-and-Industrial Union "RISCOM", NPO "RDC CD", - Introduced on 01/01/2011, Moscow, "Standardinform" – 2010 - 8 p.
  13. Kostyukov V.N., Rationing of vibration parameters within piston compressors diagnostics (article), V.N. Kostyukov, Consumers – manufacturers of compressors and compressor equipment, 7th International Symposium, Proceedings, Saint-Petersburg, 2001, pp. 90-93.
  14. Kostyukov V.N., Naumenko A.P., Regulatory and methodological support of piston compressors health monitoring (article), V.N. Kostyukov, A.P. Naumenko, Testing. Diagnostics, 2005, №11, pp. 20-23.
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Kostyukov V.N., Naumenko A.P. Technology of piston compressors real-time diagnostics and monitoring // Condition Monitoring and Machinery Failure Prevention Technologies (СМ/MFPT 2014)

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Tags: condition monitoring diagnostics expert system piston compressor vibration analysis vibration signal non-destructive testing Date: 15.09.2017
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