THE COMPACS SYSTEM®
REAL-TIME VIBRATION DIAGNOSTICS
OF MACHINERY WITH PROBABILITY CLOSE TO 1
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Problems and solutions for safe operation of reciprocating compressors

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Determination of the necessary and sufficient number of diagnostic features that allow accurately assess the technical condition of the piston machine as a whole, its systems, facilities and individual parts, based on the analysis of physical processes in piston engine, and regularities of their development.

The applicability of different methods of diagnosis, for example, diesel engines, shows that the definition of diesel faults is possible using the four basic methods: thermodynamic, parametric, spectral ("metal in the environment"), vibroacoustic.

Given the diversity and heterogeneity of primary converters, secondary equipment and methods of signal processing all of these methods can be concluded that the use of vibroacoustic method can significantly reduce development cost, implementation and operation of technical diagnostics of reciprocating machinery.

Many years of research experience vibroacoustic signal of reciprocating compressors, diagnostic and condition monitoring of reciprocating compressors confirms that the vibroacoustic signals with a sufficient degree of reliability and relevance not only to characterize the structural parameters of the units and parts of piston compressors, but also adequately reflect the increased dynamic loads on the sites, details of deviations due to physical and chemical properties of the gas required for the normal trouble-free operation of piston compressors.

 

Kostyukov V.N., Naumenko A.P. Problems and solutions for safe operation of reciprocating compressors // Сompressor equipment and pneumatics. - 2008. - №3. - p. 21-28

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Tags: diagnostics rolling stock technical condition monitoring Date: 17.02.2012
Views: 2015
 

Safe resource-saving operation of motor driven rolling stock (MDRS) based on real-time condition monitoring

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In the second half of the 90s a variety of diagnostic units, not being linked to a single technological network and having some significant disadvantages, appeared on the railway system:

  • Subjectivity, i.e. complete dependence of the diagnostic results from the diagnostician.

  • High labor intensity and long-drawn diagnosis, due to the low degree of automation of the diagnostic process, which does not provide comprehensive diagnosis.

  • Low reliability of the results due to above mentioned reasons, generating position error as well as dynamic error connected with comparability of the diagnostic period with an interval of errors till critical value.

  • Unavailability of objective information about technical state of motor driven rolling stock and its units in real time, i.e. pure observability of true condition of motor driven rolling stock.

The implementation of system COMPACS® will realize condition-monitored maintenance of motor driven rolling stock with automatic term planning and volume of works for maintenance and repair only those components and assemblies of MDRS which really need to be repaired. In this case the volume of schedule-based repairs TR-1 TR-2 TR-3 reduced. Real-time condition monitoring increases greatly serviceability ratio of rolling stock. If now it is 0.92, after the implementation of radically new technology of equipment operation, based on knowledge of the technical state of the equipment at any time, it will raise up to 0,96-0,98. This means the reduction of operating expenses of repair downtime in 3-4 times (60-80%) and operation of 15-20 trains of ten cars each without the purchase of new rolling stock.

 

Kostyukov V.N., Kostyukov A.V., Sizov S.V., Aristov V.P. Safe resource-saving operation of motor driven rolling stock (MDRS) based on real-time condition monitoring // Science and Transportation. - 2008. - p. 8-13

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Tags: COMPACS rolling stock resource-saving technical condition monitoring Date: 10.02.2012
Views: 1844
 

Condition monitoring system COMPACS for wheel-rolling mill

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The process of development of errors visible requires continuous monitoring, ie diagnostics with a period much shorter than the interval of their development and with the automatic delivery of the objective results. The main task of equipment monitoring system - defect detection, monitoring of their development and timely warning for maintenance.

COMPACS® system is invariant to vehicle structure and implements various methods of non-destructive testing (vibroacoustic, acoustic emission, electrical, ultra-audible, thermal and parametric). The system refer to expert decision support systems, i.e. it must help the staff to take reasoned decisions on the management of operation and equipment condition. The system receives signals from sensors and generates vector of orthogonal diagnostic features, including a dozen types of non-destructive testing. Vector of diagnostic features enters the processing unit of logical predicates, the results of which formed the expert system results. As a result, automatic expert system generates diagnostic requirements on the main as text messages, as well as voice alerts.

Thus, the system provides continuous monitoring of the industrial complex due to aggregation of various methods of non-destructive testing based on a single hardware and software platform which allows to diagnose the condition of the mechanical (mill, blocks, pumps, compressors, blowers, motors, etc.), technology (presses, furnaces, pipelines, storage tanks) and other equipment.

 

Kostyukov V.N., Boychenko S.N., Kostyukov Al.V., Sinitsyn A.A., Volkov A.M., Kuznetsov O.V. Condition monitoring system COMPACS for wheel-rolling mill // Steel. - 2008. - №4. - p. 58-63

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Tags: COMPACS rolling mill non-destructive testing technical condition monitoring Date: 03.02.2012
Views: 1782
 

Comprehensive monitoring of hazardous production facilities

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Process equipment of modern productions usually includes rotating and static equipment. Different types of hardware are used for diagnostics and condition monitoring today. Global trend to narrow specialization of the enterprises developing technologies, stationary and portable diagnostic tools intended for a certain type of equipment brings into existence the systems produced by different companies. Many of these systems are virtually incompatible neither by electric, nor by information parameters, so they can not be integrated into a single information space of Automatic Process Control System of the enterprise.

At the same time aufbau principles of the COMPACS® system enable easy configuring its firmware for condition monitoring of various types of rotating equipment (centrifugal cradle-mounted, double-beat and reciprocating pumps, air and gas blowers, fans, air coolers, centrifugal and reciprocating compressors) and static equipment (reactors, columns, vessels, heat-exchangers, pipelines, etc.).

The most important factor, which determines the reliability of monitoring, is presentation and storage of the monitoring results in a single information space by means of the standardization of nomenclature, format and presentation of the monitoring results.

The COMPACS® system, which ensures observability of rotating and the most important static equipment, is the example of comprehensive approach to condition monitoring of hazardous production facilities. 

 

Kostyukov V.N., Naumenko A.P., Boychenko S.N., Kostyukov Al.V., Tarasov E.V. Comprehensive monitoring of hazardous production facilities // Chemical technique. - 2008. - №3. - p. 24-28

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Tags: COMPACS diagnostics technical condition monitoring Date: 23.08.2011
Views: 1693
 

Cost-effective use of resources for mass production

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Losses – a part of manufacturing resources, which was used without return, production, and even wasn`t used, ie wasn`t functioned, was idle. If an equipment item can not be replaced during repair, there appear production downtime, so the company stop producing, receiving marginal income, and also spend permanent situational costs. Finally, if the failure of a particular equipment item due to lack of observability leads to the destruction of several (all) equipment units, causing an accident, such as an explosion or fire, this situation, in addition to the above mentioned costs, can injure the staff, damage the environment and, as a result, cause critical resources losses of the enterprise.

Monitoring – observation on changes of an object state on order to alert the staff about its limit state during closely adjacent to each other time intervals during when the object state doesn`t change significantly. This means the systematic collection and processing of information that can be used to improve decision support system and as well as for feedback and evaluation.

Resource-saving safety of production involves of the entire fabrication staff in process of diagnostics and elimination of situational costs as main factor of the growth of resource consumption and losses at the enterprise. Observability of wear factors of basic production assets as the main reason of a substantial increase of use of material and labor resources is of great importance. Monitoring of factors of the situational costs, timeliness and purposefulness of resource-saving actions provides objective information environment of organizational and economic mechanism for cost-effective use of resources.

 

A.V. Kostyukov Cost-effective use of resources for mass production // Oil, gas and business. - 2007. - №12. - p. 54-58

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Tags: resource-saving monitoring Date: 05.07.2011
Views: 1811
 

Control of safe resource-saving operation of the refinery equipment (increase of production efficiency)

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The presented analysis of the ways to increase production efficiency enables the following conclusions.

1. The aim of implementation of the control system for safe resource-saving operation of equipment at the refinery is the increase of the business competitiveness by the growth of production efficiency and profitability by means of the following:

  • real-time management of the business process on the basis of objective knowledge of production factor condition;
  • real-time management of all production factors in the framework of the business process;
  • real-time condition monitoring of production factors, monitoring of their trends and interactions;
  • transparency of the structure of contribution of every link of value creation chain to a general result during the production process.

2. The most objective and extensive information base of the signals for selection of diagnostic features of production factor condition in refining is the equipment; configuration of such equipment at every process unit is determined by the matrix of equipment classification according to a risk level.

3. In order to create the information base for monitoring system the equipment is classified according to criterion of the maximum damage in case of unscheduled shutdown or decrease in refinery capacity of certain technological position.

4. Invariance of selected diagnostic features of production factor condition under the structure of the control system and form of interaction between its elements enables significant qualitative and quantitative results, but the greatest effect is achieved by a synergy of all elements of the system.

5. The control system based on real-time monitoring of production factor condition and trends of their interaction enables production safety, expansion of process units run-to-failure period, reduction of operation costs and elimination of situational losses. Hence the productivity and business profitability will grow.

 

Kostyukov A.V. Control of safe resource-saving operation of the refinery equipment (increase of production efficiency) // Oil, gas and business. - 2007. - №11. - p. 58-63

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Tags: resource-saving technical condition monitoring Date: 28.06.2011
Views: 1661
 

Control of safe resource-saving operation of the refinery equipment (production efficiency problems)

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The presented analysis of production efficiency problems enables the following conclusions:

1. The purpose of the control system for safe resource-saving operation of the refinery equipment is maximization (in terms of efficiency) of service life of process units provided guaranteed ensuring of the process safety with the minimum unit cost.

2. In order to achieve this goal it is necessary to develop the control system based on the following principles:

  • management based on condition monitoring of production factors, monitoring of their trends and real-time interaction during the value creation;
  • permanent fulfillment of all functions of schedule control at all levels of the system in real-time mode;
  • design approach in strategic plans realization on the basis of the proposed initiatives;
  • transparency of strategic and operational management, goals and the results within the enterprise;
  • vertical decomposition of the purpose and results on the basis of the developed and structured business processes of the enterprise;
  • standardization of procedures and interconnections between the control system elements during the realization of the procedures of safe resource-saving operation of equipment;
  • relativity of the characteristics and leading indicators used in the evaluation of the control system efficiency;
  • cumulative interaction between all elements of the control system in emergency situations for elimination of situational losses and atomicity effect in the process of value creation.

3. Refinery management structure should correspond to the structure of value creation chain in order to ensure a participatory approach to the construction of appropriate system of rewards according to contribution of the personnel to the final result of management.

4. Functionally separate business processes should be managed according to the principles of the targets synergy during the interaction of the elements of network organization.

5. Objective information source for the control system is the result of interaction between production factors and their condition in the process of operation determined by diagnostic features invariant to the object structure and form of connection with the parameters of its condition, which make up a complete group of events in statistical sense.

 

Kostyukov A.V. Control of safe resource-saving operation of the refinery equipment (production efficiency problems) // Oil, Gas and Business. - 2007. - №10. - p. 48-53

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Tags: resource-saving technical condition monitoring Date: 21.06.2011
Views: 1663
 

New high-performance saving technology for operation of metallurgical equipment of JSC Vyksa Steel Works on the basis of the COMPACS systems for condition monitoring

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Implementation of ACS SRSM ™ (Automated Control Systems of Safe Resource-saving operation and Maintenance of equipment) COMPACS® at JSC Vyksa Steel Works enabled transition to operation in accordance with the actual technical condition in real-time mode, expansion of process units run-to-failure period up to technological cycle duration. In addition, it enabled to increase reliability and technical readiness of equipment provided 100% capacity utilization and complete elimination of human factor influence during condition monitoring of equipment; to increase quality of timely and targeted actions of the personnel aimed at safe resource-saving operation of the process unit.

 

Kostyukov V.N., Naumenko A.P., Starikov V.A., Sinicyn A.A., Volkov A.M. New high-performance saving technology for operation of metallurgical equipment of JSC Vyksa Steel Works on the basis of the COMPACS systems for condition monitoring // Metallurgist. - 2007. - №11. - p. 38-43

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Tags: resource-saving technical condition monitoring Date: 14.06.2011
Views: 1683
 

Ensuring of safe operation of gas reciprocating compressors based on condition monitoring

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Researches of many years, experience of development, implementation, and operation of the systems for vibration analysis and condition monitoring of reciprocating compressors enabled to solve most scientific problems of development and practical use of the methods and principles of condition control, diagnosing and monitoring of the reciprocators by identification of technical condition of the objects according to initial information inherent in vibroacoustic signal. Practical solutions for the following problems have been found:

  1. The set of diagnostic features corresponding with the forms of technical condition, major malfunctions (which emerge separately or at the same time) and operating practices of the reciprocators has been developed;

  2. The standards for diagnostic features corresponding with the forms of technical condition and risk levels of malfunctions have been determined;

  3. Automated systems for reciprocator condition monitoring, which enable accident-free operation, have been developed. In addition, they have been implemented at a number of Russian and foreign enterprises.

 

Naumenko A.P. Ensuring of safe operation of gas reciprocating compressors based on condition monitoring // Technical regulation and standardization. Risk management, industrial safety, control and monitoring: Proceedings of International Conference. - 2007. - p. 33-53

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Tags: vibroacoustic signal piston compressor vibration analysis technical condition monitoring Date: 07.06.2011
Views: 1653
 

Explosion-protected remote tachometer

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Long operation of various rotor machines is not allowed in case the number of revolutions is critical. During the start of electric motor, compressor and other machine equipment a critical number of revolutions should be passed as quickly as possible in order to eliminate the emergency.

Rotational velocity of machine equipment shafts is monitored by special devices called tachometers. DYNAMICS Scientific & Production Center (SPC) developed specialized explosion-protected remote tachometer for work in explosive zones where the use of ordinary tachometers is limited.

A remote tachometer is designed for use in the COMPACS® system for vibration analysis that is intended for condition monitoring of the equipment of refineries and petrochemical industries. This system is used for continuous monitoring of speed of motor shafts or any other equipment located in explosive zones.

 

Kostyukov V.N., Starikov V.A., Zub A.Y. Explosion-protected remote tachometer // Sensors and Systems. - 2007. - №10. - p. 47-48

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Tags: COMPACS tachometer sensor technical condition monitoring Date: 31.05.2011
Views: 1944
 
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