The COMPACS® system
Real-time vibration diagnostics
of machinery with probability close to 1
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Certification
In 2001 the quality management system of DYNAMICS SPC was put through facultative certification. In 2018 it was recertified for compliance with standards ISO 9001:2008. Its results confirmed a high level of goods and services quality management.
In 2001 the quality management system of DYNAMICS SPC was put through facultative certification. In 2018 it was recertified for compliance with standard GOST ISO 9001-2011. Its results confirmed a high level of goods and services quality management.
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Home Publications

Adaptive pipelining of vibroacoustic signals in the problems of equipment condition monitoring

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An adaptive algorithm for measuring and processing of the signals in a wide frequency range, which use pipelining of the channel selection at the lines level, at the level of analog-to-digital converter structure, and paralleling of the measurement processes at different lines, has been developed and realized in the article.

Application of these algorithms enables to increase the productivity considerably and to bring the frequency of measurement and diagnostics within the scope of a certain fieldbus up to 7,5 acts per second in case the selection length equals 400 ms and the hardware is absolutely self-supervisory. Consequently application of these algorithms enables reduction of time of response of statistical delta modulation to the change in diagnosed equipment condition.

Developed algorithms have been applied in the COMPACS® systems used at dozens of Russian enterprises. These systems have established a reputation as fast and high-reliability measurement complexes to solve the problems of diagnostics and monitoring.

 

Kostyukov Al.V. Adaptive pipelining of vibroacoustic signals in the problems of equipment condition monitoring // Actual problems of piezoelectric instrument engineering and nanotechnologies. - M.: 2006. - p. 104-108

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Tags: COMPACS diagnostics vibroacoustic signal technical condition monitoring Date: 16.11.2010
Views: 1061
 

Experience of equipment condition monitoring in mining and mining-chemical industry

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Despite normal rotation frequencies and equipment degradation rates are relatively low there is still demand for equipping of mining industry machinery, which is most important for manufacturing process, with the systems for equipment condition monitoring. This demand is determined by the security requirements and significant reduction in costs of maintenance of the machinery equipped with the systems for monitoring and diagnostics.

There is positive experience of operation of stationary systems for equipment condition monitoring in mining and mining-chemical industry. Mining plants are equipped with the systems for condition monitoring including those based on the methods of nondestructive testing. These systems can evaluate technical condition of process equipment during operation and provide the personnel with the information on technical condition of process equipment in real-time mode, as in many enterprises of oil and gas processing industry.

The article deals with the approaches to condition monitoring of working machines of mining industry. As mentioned in the article, the use of technology developed by DYNAMICS Scientific & Production Center (SPC) using the COMPACS® systems enables application of the most significant process and low-charged equipment in the optimum way and cost-effectively. Fail-safety of the enterprise increases along with the decrease in the cost of fixed assets maintenance. That results in capitalization and increase of profitability of the company.

 

Kostyukov V.N., Tarasov E.V., Bortvin O.B., Shhelkanov A.V., Cepelev S.M., Pancheha P.G. Experience of equipment condition monitoring in mining and mining-chemical industry // Mining Equipment and Electromechanics. - M.: 2006. - № 7. - p. 18-20

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Tags: COMPACS technical condition monitoring Date: 09.11.2010
Views: 1050
 

Equipping fan plant for central ventilation with the COMPACS stationary system for vibration analysis

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Fan plants for central ventilation of a mine are the most important element that ensures operation and safety of mine production. Long shutdown of the fan is utterly unacceptable because it may cause danger to life and health of the workers at the mine.

Reliable information on technical condition of the fans helps to reduce the probability of their sudden failure. It enables early planning of repair work and stand-by fan starting. Timeliness and reliability of the information helps personnel, which services the fans, to find a proper solution.

The COMPACS® system enables detection of fan plant malfunctions (bearing defects, imbalance, misalignment, unfastening) and violation of operating practices (aerodynamic defects that increase overall level of vibration loading on bearing supports).

Timely detection of developing defects enables to schedule preventive and repair work, which significantly increases level of equipment use. In addition the use of information on the fan condition enables reduction of the probability of a sudden failure and associated emergencies in the mine. Consequently fail-safety of the enterprise increases. All that leads to capitalization and increase of JSC "ALROSA" profitability.

 

Starikov V.A., Tarasov E.V., Cepelev S.M. Equipping fan plant for central ventilation with the COMPACS stationary system for vibration analysis // Mining Journal - M.: 2006. - № 6. - p. 26-27

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Tags: COMPACS vibration profitability technical condition Date: 22.10.2010
Views: 1047
 

Diagnosis of cryogenic tanks with thermo-insulating housing

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In 1980s a lot of cryogenic tanks with thermo-insulating housing (GHK, CTK, TRZHK types) have been produced. Nowadays most of them have already worked for designated lifetime (20 years). However, it is still possible to operate these items for a long time. And it is important for most companies because new items are rather expensive.

In this connection it is necessary to carry out technical diagnosing and examination of industrial safety (EIS) of the equipment. The cost of technical diagnosing and EIS is much lower than the cost of new item, and their positive results enable extension of operation life of the equipment which has worked for designated lifetime. Therefore the development of the techniques for condition control of the vessels after their repair, after the assigned resource completion and periodically during operation (particularly by acoustic emission method of nondestructive testing) becomes a topical problem. 

In terms of the gathered experience a standard program for technical diagnosing of cryogenic tanks and vessels, which determines conditions and basic requirements for acoustic emission control, has been developed. This program provides for pneumatic testing with acoustic emission maintenance and enables not to disturb the hermeticity of thermo-insulating housing. That enables significant reduction of costs of diagnosing, retention of the housing integrity and condition monitoring of the inner vessel on-site. 

The developed method of cryogenic tank technical diagnostics enables condition monitoring of the inner vessel during the test and operation of the tanks.

 

Kostyukov V.N., Naumenko A.P., Chikarin V.A., Shakirzyanov M.G. Diagnosis of cryogenic tanks with thermo-insulating housing // Chemical technique. - M.: 2006. - № 5. - p. 7-9

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Tags: nondestructive testing acoustic emission technical condition monitoring Date: 19.10.2010
Views: 1130
 

System for condition monitoring of reciprocating compressors of oil-refining industries

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Safe operation of the compressor units with reciprocating compressors (CU with RC) operating on explosive and noxious gases is possible only by continuous monitoring of their technical condition.

At most enterprises of oil-refining industry CU with RC are almost beyond their service life, and it is necessary to make an examination of industrial safety in order to prolong their service life. In addition, schedule-based preventive maintenance and repair are not economically feasible and efficient, and more than once it was proven in practice and examples of centrifugal equipment. The only way out is equipping of CU with RC with condition monitoring systems using various methods of nondestructive testing and process variables and transition to operation, maintenance of reciprocating compressors by their actual technical condition. Therefore, the development of methodology and systems for condition monitoring of CU with RC is a topical problem.

The article gives scientific definitions of condition monitoring, technical diagnostics, technical diagnosis, diagnostic feature; it presents the principles of monitoring system structure, data collection, data analysis and processing, time selection of the signals, spectral analysis, envelope analysis, trends, pattern identification, emergency shutdown and presentation of monitoring results.

 

Kostyukov V.N., Naumenko A.P. System for condition monitoring of reciprocating compressors of oil-refining industries // Refining and petrochemistry. - M.: 2006. - № 10. - p. 38-48

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Tags: diagnostics piston compressor technical condition monitoring Date: 19.10.2010
Views: 1107
 

There are no sudden accidents: Improving of the efficiency of 21-10/ZM unit operation on the basis of equipment condition monitoring

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The process of coking is widely used for processing of heavy still bottoms. It enables to improve the depth of oil refining and thus increase the enterprise profitability.

21-10/ZM unit releases through the complicated process involving hundreds of units of machine and columned-capacitive equipment. The failure of any element of a technological cycle may not only cause the decrease of quality and output but also result in emergency shutdown.  

In order to ensure reliability of production it is necessary to know technical condition of equipment in operation, timely detect assemblies with critical technical condition and prevent emergencies.

Equipping of the machinery of Omsk Refinery with the COMPACS® stationary system enabled accident elimination. So-called sudden failures stopped. 'Suddenness' occurs in case of absence of the supervision over the processes of defects emergence or development, and consequently their growth to a critical level up until the accident.

 

Kostyukov V.N., Shatalov A.A., Anisimov V.F., Tarasov E.V. There are no sudden accidents: Improving of the efficiency of 21-10/ZM unit operation on the basis of equipment condition monitoring // Oil of Russia. - M.: 2006. - №7. - p.78-81

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Tags: COMPACS technical condition monitoring Date: 05.10.2010
Views: 989
 

Safe resource-saving operation and repair as a part of economic policy of the plant

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The necessity of accident-prevention protection of powerful compressors and other unique equipment has never raised doubts of the experts. In order to ensure technological system tolerance for disturbances, including failures of process and pump-and-compressor equipment, it is necessary to trace external and internal factors that influence the system and characterize its technical condition.

In order to manage the system condition it is necessary to take technical and organizational measures. Equipment accidents at Omsk Refinery caused safety decrease, loss of efficiency and downtime of process equipment and thus inflicted economic damage, exacerbated environmental problems.

Under the circumstances in the late 1980s the company administration had decided to implement stationary systems for equipment condition monitoring and first of all stationary vibration analysis of machinery. The specialists of Minaviaprom engine research institute, who developed and implemented the devices and systems for vibration analysis of aircraft units, got involved in the work. Later these specialists formed the main body of Scientific Production Company "Dynamics".

 

Kostyukov V.N., Pidsadnij A.S., Sagirov V.H. Safe resource-saving operation and repair as a part of economic policy of the plant // Refining and petrochemistry. - M.: 2005. - № 18. - p. 45-49

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Tags: vibration analysis resource-saving technical condition monitoring Date: 28.09.2010
Views: 1048
 

GOST R 53565-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Vibration generated by rotodynamic pump and compressor units

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GOST R 53565-2009: Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Vibration generated by rotodynamic pump and compressor units - Introduced on 01/01/2011 – Moscow – “Standardinform” - 2010 – 8 p.

The standard applies to rotodynamic and screw pump and compressor units, driven by electric motors and/or steam turbines with gearboxes or multipliers, as well as to fans, exhausters, blowers and air cooling units with a capacity of more than 2 kW and a nominal rotation frequency from 120 to 15000 min-1 and sets guidance on assessment of their vibration state during operation and acceptance tests after mounting and repair. The standard is intended for use in conjunction with GOST ISO 10816-3.

The document also reflects the general requirements to systems for machine units monitoring, conditions of sensors mounting, normalized parameters, criteria for a unit state assessment. For the first time in the world the standard provides normative values for the vibration parameters with regard to joint use of acceleration, velocity, displacement parameters and rates of their changes for assessment of the hazardous equipment vibration state.

The standard has been developed by DYNAMICS SPC, Russian Technical Expertise, SIU "RISCOM", NPO "RDC CD".

 

GOST R 53565-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Vibration generated by rotodynamic pump and compressor units // Introduced on 01.01.2011. - Moscow: "Standardinform" - 2010 - 8 p.

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Tags: diagnostics vibration pump-and-compressor units standard monitoring Date: 24.09.2010
Views: 2286
 

GOST R 53564-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Requirements for monitoring systems

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GOST R 53564-2009: Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Requirements for monitoring systems - Introduced on 01/01/2011 – Moscow – “Standardinform” - 2010 – 20 p.

The standard establishes a classification and general technical requirements for comprehensive monitoring systems, intended to define the technical state and to forecast a residual life of hazardous production facilities equipment in real-time without shutdown, dismantling and decommissioning.

The standard specifies the equipment hazard categories and provides requirements on the use of certain classes systems for state monitoring of particular categories equipment. The document also describes the systems design principles, the requirements to sensors, equipment controllability and personnel, including requirements to the knowledge database, metrological and construction requirements, etc.

The standard has been developed by DYNAMICS SPC, Russian Technical Expertise, SIU "RISCOM", NPO "RDC CD".

 

GOST R 53564-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Requirements for monitoring systems // Introduced on 01.01.2011. - Moscow: "Standardinform" - 2010 - 20 p.

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Tags: diagnostics standard monitoring Date: 24.09.2010
Views: 2173
 

GOST R 53563-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Organizational procedures

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GOST R 53563-2009: Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Organizational procedures - Introduced on 01/01/2011 – Moscow – “Standardinform” - 2010 – 5 p.

The standard aims to establish rules and procedures for creation, implementation and operation of comprehensive monitoring systems, and is intended to provide a reliable and safe money-saving operation of hazardous production facilities equipment, as well as defines general organizational and technical principles of design and implementation of the comprehensive monitoring systems, categories of the equipment to be monitored, including the risk analysis matrix, assessment of the diagnosed equipment state, the monitoring systems classes, requirements for the equipment reliability monitoring service.

Based on this standard and other standards of “Hazardous equipment monitoring” series, the hazardous equipment owner can develop the enterprise Regulations on technical state monitoring, taking into account the specificity of work and the equipment design features, which will allow to operate the equipment according to its actual technical state.

The standard has been developed by DYNAMICS SPC, Russian Technical Expertise, SIU "RISCOM", NPO "RDC CD".

 

GOST R 53563-2009. Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Organizational procedures // Introduced on 01.01.2011. - Moscow: "Standardinform" - 2010 - 5 p.

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Tags: diagnostics standard monitoring Date: 24.09.2010
Views: 2216
 
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