THE COMPACS SYSTEM®
REAL-TIME VIBRATION DIAGNOSTICS
OF MACHINERY WITH PROBABILITY CLOSE TO 1
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In 2001 the quality management system of DYNAMICS SPC was put through facultative certification. In 2018 it was recertified for compliance with standards ISO 9001:2015. Its results confirmed a high level of goods and services quality management.
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Home Publications

Standardization in vibration monitoring of piston compressors

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Current Russian and International standards in the field of standardizing parameters for piston machines vibration including piston compressors are reviewed. It is shown that the current standards do not meet the requirements for the piston compressors safe operation at hazardous production facilities. The article describes the Russian Federation National Standard "Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Vibration generated by rotodynamic pump and compressor units".

 

Kostyukov V.N, Naumenko A.P. Standardization in vibration monitoring of piston compressors // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.82-83.

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Tags: condition monitoring diagnostics piston compressor piston machine vibration non-destructive testing Date: 13.03.2018
Views: 1317
 

Operation of equipment for primary oil processing under control of the COMPACS stationary system for health monitoring and automatic diagnostics

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Operation experience and results of the COMPACS® stationary system for machinery health monitoring and automatic diagnostics are given. The system manufactured by DYNAMICS SPC is intended to prevent sudden failures and breakdowns of the CDU-VDU equipment, shifting them from the sudden to the observed category. The system warns the staff about changes in the equipment technical state, giving recommendations to take urgent actions in order to lead the equipment into "acceptable" technical state.

Description of the system operation in real conditions is given, and analysis of the dynamic equipment operation is carried out. Reasons of the equipment failures are described, and recommendations for improving technical and economic parameters of the equipment operation and maintenance cycle optimization are offered.

 

Kostyukov An.V., Kostyukov Al.V., Tarasov E.V., Putintsev S.L., Chatkin A.P. Operation of equipment for primary oil processing under control of the COMPACS stationary system for health monitoring and automatic diagnostics // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.81.

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Tags: condition monitoring diagnostics expert system non-destructive testing technical condition Date: 02.03.2018
Views: 1340
 

Automatic test bench for machinery diagnostic and condition monitoring systems

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The efficiency of malfunction detection for machinery protected by diagnostic and condition monitoring systems is strongly dependent from quality of their tuning, full and objective examination during post-production acceptance tests. However, the task of minimizing the influence of human factor on design quality check-up and tuning process can be successfully solved by automatic test benches.

A test bench provides automation of the most laborsome tasks, such as:

  • Diagnostic feature calibration in measuring channels;
  • Metrological check-up for measuring channels;
  • Expert system check-up, including defect signal formation and registering of the expert system messages;
  • Automatic formation and printing of a test report, as well as database storage of the results.

 

Tarasov E.V., Kazarin D.V., Zaytsev A.V., Pavlenkov D.V., Kostuykov V.N. Automatic test bench for machinery diagnostic and condition monitoring systems // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.80-81.

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Tags: condition monitoring diagnostics expert system non-destructive testing technical condition Date: 27.02.2018
Views: 1379
 

The research of vibration activity of machinery units by vibration parameter trends

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The research is based on the data obtained by an on-board monitoring system COMPACS®-EXPRESS-3 and aimed mostly at increasing reliability of machinery diagnostics of rolling stock units (in electric trains) by finding codependences in changes of vibration diagnostic features during condition degradation process from analyzing statistic properties of their distribution.

At the same time, the results obtained during the course of work are invariant to the diagnostic subject and can apply to machinery in hazardous production facilities in FEC.

The completed research allowed to establish the criteria according to which the cases of defect development were found using trends of vibration diagnostic features.

 

Tsurpal A.E., Kazarin D.V., Dederer Ya.V., Kostuykov V.N. The research of vibration activity of machinery units by vibration parameter trends // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.78-79.

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Tags: condition monitoring diagnostics reliability rolling stock non-destructive testing machinery Date: 20.02.2018
Views: 1196
 

The research of rotation frequency influence and technical state condition upon the level of vibration spectrum components of rolling bearings

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The paper is aimed at researching the influence of rotation frequency and condition of rolling bearings on the level of vibration spectrum components which corresponds to the frequencies of rolling element bearing defects exposure.

The research is based on a theory of experimental planning using an experimental stand to assign frequency and record vibration signals. Different types of bearings have been subjected to the experiment: regular rolling bearings as well as rolling bearings with artificiality created defects and bearings with defects obtained during long-term operation.

The obtained results show the direct dependence between the level of spectrum components corresponding to the frequencies of rolling bearing defect exposure and rotation frequency. It should be noted, that such sensitive dependence is directly connected with condition of the rolling bearing under analysis

These results laid a foundation for creating mathematical models of rolling bearings vibration used in automatic expert systems for rolling bearing diagnostics.

 

Basakin V.V., Kazarin D.V., Zaytsev A.V., Teterin A.O., Kudryavtseva I.S. The research of rotation frequency influence and technical state condition upon the level of vibration spectrum components of rolling bearings // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.79-80.

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Tags: condition monitoring diagnostics expert system vibration signal non-destructive testing rolling bearings technical condition Date: 13.02.2018
Views: 1246
 

Risk assessment of selection of guideline values of diagnostic signs

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The paper dwells upon the method of calculation of guideline values of diagnostic signs in terms of statistical decision-making theory. It gives an example of calculation of the probability of the defect skipping and false alarms, the risk of the failure skipping while selecting the size of the regulatory characteristic of different decision-making methods.

It is shown that it is reasonable to use a method of minimum number of false decisions if the costs of false alarms and defect skipping are comparable. If the defect skipping cost is considerably higher than the cost of the false alarm it is advisable to use method of Neumann-Pearson. Selection of threshold values of diagnostic signs according to their distribution functions for different states of a machine under diagnostics should be made when the probability rates are >0.93 and <0.95.

 

Kostyukov V.N., Naumenko A.P. Risk assessment of selection of guideline values of diagnostic signs // Condition Monitoring and Machinery Failure Prevention Technologies (СМ/MFPT 2015)

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Tags: condition monitoring diagnostics reliability resource-saving non-destructive testing technical condition machinery Date: 06.02.2018
Views: 1189
 

Reliability increase of wheel-motor unit condition diagnostics

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Modern tendencies of operational growth and decrease of quality maintenance for electric trains set an urgent task of safety provision for rolling stock transportation.

The most important machinery condition of which indicates transportation safety is a mechanical part of the rolling stock, the wheel-motor units (WMU) in particularly.

Condition of bearing units included into the WMU (such as traction motor bearings and reducer bearings and journal bearings) directly influence its operation life.

The paper is aimed at researching a WMU condition diagnostic error for different rotation frequencies.

 

Zaytsev A.V., Teterin A.O., Kostyukov V.N. Reliability increase of wheel-motor unit condition diagnostics // 5th International Conference on Oil and Gas Engineering. – Omsk: INTECH Edit., 2015 – p.78.

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Tags: condition monitoring diagnostics reliability rolling stock non-destructive testing technical condition EMU-train machinery Date: 30.01.2018
Views: 1316
 

Balancing of flexible rotors and shafting systems based on the COMPACS systems with the use of shaft sensors

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The paper dwells upon new approaches towards imbalance diagnostics for both – separate rotors and shaft rotors. The methods are based on comprehensive usage of sensors for absolute support displacement and relative/absolute shaft displacement.

There are a lot of tasks to be solved with such sensors’ application, but the main one is the diagnostics of imbalance and its spreading area. The present paper covers only that one task.

Along with minimizing the absolute radial vibrations of journals and supports, it is also suggested to minimize turning angles of journals and consequently decrease the residual rotor vibration.  The method can be utilized witht the COMPACS® system and intended for morden systems of imbalance monitroing and diagnostics and its automatic detection.

 

Kumenko А.I. Balancing of flexible rotors and shafting systems based on the COMPACS systems with the use of shaft sensors // Neftegaz.ru. – 2015. – №3. – p. 58-61.

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Tags: condition monitoring diagnostics reliability resource-saving non-destructive testing technical condition machinery Date: 23.01.2018
Views: 1133
 

Real time vibration-diagnostic condition monitoring of production and transport complex machinery

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Safe resource-saving operation of the machinery of the industry and transport branches is a very urgent task. Real-time condition monitoring of the machinery provides observability and allows to implement safe resource-saving technology of the machinery maintenance and repair. This paper considers the experience in operation of systems for health monitoring of hazardous production facilities and the machinery of energy sector and rail transport in case of smooth or discontinuous changes in vibration diagnostic features that reflect the corresponding multi-stage processes of destruction machines generating multimodal trends vibration parameters.

The paper proves that real-time condition monitoring systems increase diagnostics productivity in million times in comparison to "manual" tools, and provide economical effect for a consumer due to:

  • Increase of technogenic safety and machinery run-to-failure in dozens and hundreds of times.
  • Increase of readiness coefficient and main production assets usage coefficient.

 

Kostyukov V.N., Tarasov E.V. Real time vibration-diagnostic condition monitoring of production and transport complex machinery // Condition Monitoring and Machinery Failure Prevention Technologies (СМ/MFPT 2015)

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Tags: condition monitoring diagnostics reliability resource-saving non-destructive testing technical condition machinery Date: 19.01.2018
Views: 1124
 

Safety operation monitoring of thermal station facilities

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The paper dwells upon the results of implementation of the stationary system of condition monitoring and automatic vibration analysis COMPACS® for elimination of sudden failures of thermal power station units. A description of the system’s functions, capabilities and application advantages are presented in the paper. There are detailed examples of the operation of auxiliary equipment, mainly, rotating aggregates, under the system’s control.

 

Kostyukov V.N., Tarasov E.V., Putintsev S.L. Safety operation monitoring of thermal station facilities // New in Russian Power Industry (Novoe v rossiyskoy elektroenergetike). 2015. – #2. – p. 6-13.

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Tags: condition monitoring diagnostics reliability resource-saving non-destructive testing technical condition machinery Date: 16.01.2018
Views: 1095
 
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