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

Real-time monitoring on vibration- based diagnostics of reciprocating compressors

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The article considers the issues of using different physical processes parameters in systems for real-time condition monitoring of reciprocating compressors.
The locations for sensors of absolute and relative vibration are defined.
Trends of parameters of absolute and relative vibration at emergence of malfunctions and defects are given.
Examples of diagnosing of reciprocating compressors in parameters of relative and absolute vibration are reviewed.
It is shown that real-time monitoring of the absolute vibration parameters and the relative position of rod provides observability of the piston compressors’ condition and, consequently, their safe operation.

 

Kostyukov V.N., Naumenko A.P. Real-time monitoring on vibration- based diagnostics of reciprocating compressors // Proceedings of The First World Congress on Condition Monitoring 2017. -152

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Tags: Date: 30.06.2020
Views: 110
 

Real-time monitoring on vibration- based diagnostics of reciprocating compressors

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The article considers the issues of using different physical processes parameters in systems for real-time condition monitoring of reciprocating compressors.
The locations for sensors of absolute and relative vibration are defined.
Trends of parameters of absolute and relative vibration at emergence of malfunctions and defects are given.
Examples of diagnosing of reciprocating compressors in parameters of relative and absolute vibration are reviewed.
It is shown that real-time monitoring of the absolute vibration parameters and the relative position of rod provides observability of the piston compressors’ condition and, consequently, their safe operation.

 

Kostyukov V.N., Naumenko A.P. Real-time monitoring on vibration- based diagnostics of reciprocating compressors // Proceedings of The First World Congress on Condition Monitoring 2017. -152

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You can order the translation by e-mail: a@dynamics.ru


Tags: diagnostics vibration monitoring condition reciprocating compressors Date: 30.06.2020
Views: 184
 

Improving reliability of vibration spectrum identification without increasing sampling rate using spectral interpolation algorithm

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Condition diagnostics and monitoring of machinery by vibration-acoustic diagnostics methods is widely used nowadays in production industries, in order to quit the expensive preventive maintenance and implement an effective modern system of condition-based maintenance. The papers [1,2] show that the effectiveness of a condition monitoring system implementation is mainly determined by the value of the error of the result issued by the expert system. One of the components of the diagnostic errors is low resolution power of spectral analyzer which is currently the main instrument for vibration-acoustic signal analysis.

 

Kostyukov Al.V., Boychenko S.N. Improving reliability of vibration spectrum identification without increasing sampling rate using spectral interpolation algorithm // Proceedings of The First World Congress on Condition Monitoring 2017. -152

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Tags: expert system frequency assessment spectral analysis diagnostic error Date: 23.06.2020
Views: 164
 

Auto-oscillations and subharmonic vibrations as illustrated by an experimental rotor

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The article reviews and suggests certain results of an experimental analysis of low-frequency vibrations on a bench for rotor installed on plain bearings and having a residual deflection.

 

Kumenko A.I., Kostyukov V.N., Kuzminykh N.Yu., Timin A.V. Auto-oscillations and subharmonic vibrations as illustrated by an experimental rotor // Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.186-187

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Tags: vibration analysis plain bearing low frequency rotor Date: 16.06.2020
Views: 179
 

Studying dependency of vibration parameters occurring in bearing units of rotary machines on shaft rotation speed

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Bearing units of rotary machines are critical points on the technical condition of which depend on reliability and steadiness of machinery operation, as well as its safety.

For an objective assessment of the condition of bearing units, one should consider the nature of dependency between the rotary vibration parameters and shaft rotation speed, thus, creating new diagnostic signs combination of which ensures higher diagnostic reliability.

The paper is aimed at determining the dependency of diagnostic signs from shaft rotation speed to solve practical engineering tasks.

 

Kostyukov V.N., Kostyukov Al.V., Zaitsev A.A., Teterin A.O. Studying dependency of vibration parameters occurring in bearing units of rotary machines on shaft rotation speed // Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.185-186

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Tags: diagnostic sign rotary machine bearing unit shaft rotation speed Date: 09.06.2020
Views: 170
 

Studying orthogonality of system of fractal and integrated diagnostic signs of vibration signal

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Currently the only method for determining machinery condition is vibration diagnostics, when the condition is determined by analyzing a vibration signal in its housing. As a result of signal analysis, a special expert system forms a set of diagnostic signs based on which a diagnostic expert message is formed using logical rules.

To form a vector of diagnostic signs, signs invariant to machinery construction are used: RMS signals of vibration acceleration(Ae), vibration velocity (Ve), and vibration displacement (Se),as well as a set of spectral signs obtained from an analysis of spectral components of the vibration signal.

 

Kostyukov Al.V., Boychenko S.N. Studying orthogonality of system of fractal and integrated diagnostic signs of vibration signal // Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.183-184

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Tags: vibration signal diagnostic sign orthogonality fractal integral machinery unit Date: 02.06.2020
Views: 196
 

Method for diagnosing same-type units by vibration parameters

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The research is aimed at increasing diagnostic reliability for complex machines by creating an adaptive method of health evaluation of parts of their same-type units operating in uniform environmental conditions.

 

Kostyukov V.N., Kostyukov Al.V., Kazarin D.V., Basakin V.V. Method for diagnosing same-type units by vibration parameters // Technique and technology of the petrochemical and oil and gas production: Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.182-183

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Tags: adaptive method diagnostic method complex machine Date: 26.05.2020
Views: 200
 

Diagnostics and Monitoring as a basis for production and transport facilities operation control

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Ensuring reliability of performance and steadiness of technical process crucial for most of production and transport enterprises requires systematic considerable operational expenses for maintenance and repair  of machinery, while its main goal – reliable and steady operation – is not clear, number of machinery defects and failures occurring in operation remains the same.

 

Kostyukov V.N., Kostyukov Al.V., Kazarin D.V. Diagnostics and Monitoring as a basis for production and transport facilities operation control // Technique and technology of the petrochemical and oil and gas production: Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.181-182

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Tags: reliability operational readiness production and transport facilities Date: 19.05.2020
Views: 197
 

Comprehensive automated diagnostics of rotating machinery

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Currently, automated monitoring and vibration diagnostic systems became widely used to control dynamics equipment’s condition, since they do succeed in monitoring of mechanic parts process units and their drives. But such systems usually do not monitor the condition of electrical component of the process unit’s drives, such as windings, drive insulation, cable lines, and splitters.

 

Kostyukov Al.V., Shchelkanov A.V., Burda E.A. Comprehensive automated diagnostics of rotating machinery // Technique and technology of the petrochemical and oil and gas production: Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.180-181

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Tags: vibration analysis partial discharges rotating machinery Date: 12.05.2020
Views: 212
 

On dependency between personnel qualification and failures skipped by monitoring system

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The research is aimed at solving an urgent task of evaluating impact of personnel mistakes on performance of real-time diagnostic and monitoring systems for hazardous production facilities and determining the best ways of evaluating the monitoring system’s class taking into consideration the human factor.

 

Kostyukov V.N., Naumenko A.P. On dependency between personnel qualification and failures skipped by monitoring system // Technique and technology of the petrochemical and oil and gas production: Proceedings of the 7th international scientific and technical conference (Omsk, April 24-28, 2017). - Omsk: Publishing House of OmSTU, 2017. - p.172-173

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Tags: human factor monitoring system personnel qualification failure skipping Date: 05.05.2020
Views: 223
 
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