KR101420769B1 - Factory State Management System Using Factory Management Index - Google Patents

Abstract

The present invention relates to a plant management system, and more particularly, to a plant management system that calculates facility indices based on facility management indices of individual facilities installed in factories and importance of the individual facilities, The present invention relates to a plant management system using a plant management index capable of managing economically and efficiently by checking the status of individual plants as well as the status of individual plants in real time.

Description

[0002] Factory state management system using Factory Management Index

The present invention relates to a plant management system, and more particularly, to a plant management system that calculates facility indices based on facility management indices of individual facilities installed in factories and importance of the individual facilities, The present invention relates to a plant status management system using a plant management index capable of efficiently managing the status of individual plants as well as the status of plant units in real time.

Since a plurality of individual facilities are laid out in one unit factory and the individual facilities have different effects on the entire plant, there is a problem that it is difficult to manage the state for predicting the failure time at the factory unit.

In addition, since there is no standard for judging whether or not the individual facilities in the factory have a failure time, it is difficult to manage the individual facilities effectively.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a facility management system that calculates facility indices based on facility management indices of individual facilities installed in a factory and importance of the individual facilities and calculates plant management indices from the facility indices The present invention provides a plant status management system using a plant management index that enables efficient and economical status management by checking the status of individual plants as well as the status of entire plants in real time.

In order to achieve the above object, a plant state management system using a plant management index according to the present invention calculates facility indices based on facility management indices of individual facilities installed in the plant and the importance of the facilities, And a facility state management section for outputting and managing the facility indices of the individual facilities in the order of high value in the order of the values of the plant management indices calculated from the index calculating section do.

Wherein the exponent calculation unit calculates the facility management index based on the vibration information of the individual facility, multiplies the facility management index by the importance of the individual facility set according to whether the laid-out individual facility in the factory affects the entire plant, And the facility index of individual facilities is calculated.

The facility management index includes not only a vibration speed value indicating energy in the vibration indication of an individual facility but also a vibration speed or an acceleration value in a specific frequency range indicating a specific fault and a crest factor having no unit, The facility management index is set to a relative value of all factors capable of determining the machine state, and the exponent calculating unit divides the facility management index into a plurality of sections to classify the current state of the facilities, And the current state is judged.

Wherein the exponent calculation unit sets a weight for each individual facility and multiplies the vibration velocity value of the individual facility by the weight to calculate a facility management index.

The priority is set to 100% when the individual facility is an independent facility (A), and 1 / NX when the number of facilities subject to parallel is dependent on the facility (A-1) 1 / NX 100 X 1 / M% when the number of parallelly dependent facilities is M, when the individual facility is sub-dependent on the dependent facility (A-1-1) Is set in a manner of setting the display area.

Further, the exponent calculating unit calculates the highest value among the calculated equipment indices as the factory management index.

The index calculating unit calculates the facility index based on the facility management index of the individual facilities installed in the factory for each of the plurality of factories and the importance of the facilities and displays the plant management index And the facility state management section outputs and manages the plant management index and the facility indexes of the individual facilities in each plant in the order of high value for each of the plurality of factories calculated from the index calculating section.

Here, the facility state management unit may output and manage the plurality of factories in a descending order of factory management index.

As described above, the plant state management system using the plant management index according to the present invention introduces the concept of the plant management index into the plant unit by predicting the failure time for the individual facilities in the plant, It is possible to provide an effective and economical management effect by providing in real time whether the fault is in a fault state or in a fault state.

In addition, the factory management index calculated for individual factories is comparatively analyzed with respect to a plant composed of a plurality of networks, and an excellent effect of economical and efficient fault management can be achieved at the factory.

1 is a system configuration diagram schematically showing a factory state management system according to a preferred embodiment of the present invention.
Figure 2 shows a lay-out for any plant facility line.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

1 is a system configuration diagram schematically showing a factory state management system according to a preferred embodiment of the present invention.

Referring to FIG. 1, the plant state management system according to the present invention can calculate the facility management indexes for the facilities installed in factories and manage them in an integrated manner, thereby realizing the status of the facilities in the plant in real time, The present invention provides a factory state management system capable of efficient facility management by providing an equipment facility management procedure.

The plant state management system includes a vibration data management unit 10 for collecting and managing vibration information transmitted from each facility installed in a factory, a facility management index calculated based on the vibration information, , An index calculating unit (20) for calculating a factory management index indicating the state of the plant from the facility index, and a facility index calculated from the index calculating unit, in the order of affecting the plant management index A database 40 for storing and managing the vibration information, the calculated factory management index and the equipment index, and an alarm unit 50 for generating an alarm when the equipment index and the factory management index are equal to or more than a set value, As shown in FIG.

Here, the facility management index refers to an index indicating the state information of each facility in the plant, and the facility management index can be set based on the vibration speed value of each facility.

The vibration velocity may be measured through a vibration analyzer installed in each facility, and the measured vibration velocity information may be input to the vibration data management unit 10 through wired or wireless communication means in real time.

Table 1 below shows the standard table for the facility management index.

division condition Facility management index Good good 1.7 or less Good fair 1.7 Primary warning caution 3 Second warning failure 4.5 Third warning repair 7 4th warning stop over 10

Referring to Table 1, the concept of failure can be classified into a first warning that the parts are not damaged but a first warning that should be of interest, and a fourth warning that the device should be stopped immediately. Even if the level is good, It can be divided into daily goodness level.

The failure of the individual facility can be divided into 6 stages of good 2 stage, 4 failure (1 st warning, 2 nd warning, 3 rd warning, 4 rd warning) 3 mm / s for the second warning, 4.5 mm / s for the second warning, 7 mm / s for the third warning, and 10 mm / s for the fourth warning.

Therefore, when the vibration speed of a specific facility is 7.2 mm / s, the facility management index is 7.2.

The reference value of the facility management index is statistically calculated and defined through ISO standard and simulation analysis.

However, since the standard of the facility management index may vary depending on the size of the machine and the operation load depending on the type of the facility, a weight may be set for each facility.

For example, if the weight of the A facility is 1 and the weight of the B facility is 1.5, the facility management index can be changed to 3 and 4.5 even if the vibration velocity is equal to 3 mm / s.

Table 2 below is a status diagnosis table in which the normal state is divided into two stages and the failure state is divided into four stages.

warning Display Justice Measures Good good  Long-term operation without any problems Good fair  There is no particular problem, but it shows a trend of increasing vibration  Requires thorough monitoring Primary warning caution  No damage, but vibration is higher than threshold  Immediate precise diagnosis Second warning failure  Predict the failure time as an early stage of damage  Establish a repair plan Third warning repair  Damage severity is increasing, but short-term operation is possible  Carry out repairs as soon as possible 4th warning stop  Severe damage has occurred and should be stopped immediately  Repair immediately after stop

The state of the equipment can be basically divided into a normal state and an abnormal state. However, as shown in Table 1, the normal state can be determined by dividing into two stages, and the abnormal state can be determined by dividing into four stages have.

The good state refers to a condition immediately after a new introduction facility or repair, as well as a shock due to damage, as well as a very small state of vibration of all kinds suspected of being unbalanced, poorly assembled, or having an electrical or hydrodynamic design failure .

That is, it corresponds to the case where there is no frequency for each failure cause.

In addition, the fair state is an ideal stable vibration level, which does not fall within the category of failure but shows a tendency to increase or increase the vibration compared to the newly introduced equipment. amplitude means a very small level.

The primary Caution state is the level of vibration that should be of interest to the extent that the level of vibration exceeds the level of general failure, although there is no evidence of definite damage, which implies a condition in which a precise diagnosis is recommended.

The second warning (failure) condition is that the shock due to the obvious damage is not caused or there is no sign of obvious damage, but the level of the vibration after the first warning is analyzed to exceed the second warning based on the general vibration standard. And to establish a repair plan to determine the appropriate repair time.

The third warning (repair) condition is the level required to repair immediately if possible, and the damage caused by the damage is getting worse. The equipment is in danger of being lost within 1 month. Especially, bearing damage is likely to occur. Which means that there is a possibility of permanent deformation due to vibration.

The fourth warning (Stop, immediate stop) state means that the system is inoperable due to damage and needs to be stopped immediately.

The distinction of each state as described above can be managed according to the facility management index in Table 1 above.

When the facility management index is determined for the individual facilities in the factory as described above, the plant management index is calculated by multiplying the importance of the individual facilities by the facility index.

The concept of failure can be divided into a first warning that the part is not damaged but should be of interest, and a fourth warning that must be stopped immediately.

The factory management index is a concept that expands the failure index of individual machines to the factory level. The facility management index of the facility line can be obtained from the management index of the individual facility, and the plant management index of the entire plant can be obtained based on the index.

FIG. 2 is an exemplary view illustrating facility status management of a plant according to a plant management index according to a preferred embodiment of the present invention. FIG.

2, if the plant has four rotating machinery (A, B, C, D), the vibration speed (K) / importance (L) , The B hardware is 3.4 / 50%, the C hardware is 6.2 / 25%, and the D hardware is 5.2 / 25%.

Here, assuming that the weight (M) of the hardware A is 1, the hardware B is 1.2, the hardware C is 1.5, and the hardware D is 1.7, the equipment management index N = K × M), A hardware is 4.5, B hardware is 8.84, C hardware is 4.08, and D hardware is 9.3.

The equipment index multiplied by the importance (L) of the plant management index (N) is 4.5 in the A equipment, 2.04 in the B equipment, 2.325 in the C equipment, and 2.21 in the D equipment. Since the management index is the highest, A is the plant management index (4.5) indicating the plant status.

Figure 2 shows a lay-out for any plant facility line.

In the case of plant facilities, the facility is designed as a continuous pipeline, so that each facility may be independent or dependent on the facility.

Here, when the specific facility is in an independent position, the importance of the facility is 100% since the whole plant is stopped when the individual facility failure occurs.

However, if a particular facility is independent and dependent, for example, if there are a number of facilities (N) that perform the same job, the importance of the facility is reduced by 1 / N. 100%. As a result, if N is 2, the importance of the facility is 50%.

3, the equipments A, C, D, and E of FIG. 3 are respectively independent of the factory, and when an individual facility fails, the entire plant is stopped Since the effect is significant, the importance of the facility is 100%. For example, if facility A is stopped, facility B does not stop, but when there is no work to be delivered from A, there is an effect of stopping as much as that, and so is the rest of the facility

If B-1 and B-2 in FIG. 3 are not independent facilities but are facilities dependent on A, and B-1 and B-2 do the same work, B-1 and B- Since the influence on the whole is 50%, the importance of the B-1 and B-2 facilities is 50%. If the B-1 facility fails, the remaining B-2 facility is reduced by 50%.

In the case of facilities B-2-1 and B-2-2, which are dependent on B-2 equipment, the effect of each facility on the whole plant is 50% , The importance of B-2-1 and B-2-2 equipment is 25% respectively.

As a result, it is possible to set importance for all facilities laid out in the factory, and the facility index can be calculated by multiplying the set importance by the facility management index.

Table 3 below shows the calculation of the plant indices for individual plants according to the preferred embodiment of the present invention.

Here, the facility management index is a value calculated for each facility based on the vibration speed of each facility as described above, and the values shown in Table 3 are arbitrarily set values.

Referring to Table 3, it is possible to obtain a facility index by multiplying the facility management index and the importance of the individual facilities, and since the plant with the highest value among the plant indexes has the greatest influence on the factory, This becomes the factory management index.

That is, in Table 3, since the equipment index of facility E is the largest value of 6.4, facility E has the greatest influence on the factory, and the factory management index is 6.4.

In this case, since the factory management index of the factory is 6.4, it corresponds to the second warning condition, so the factory needs to analyze the vibration increase tendency to predict the failure time and establish a repair plan to determine the proper repair time .

When the plant management index is calculated as described above, the facility status management unit displays the individual facilities together with the plant management index in the order of the equipment index, and outputs the management information.

Here, the order of the equipment index means an order of economic facilities in order of the factors having a high influence on the factory management index. That is, the management efficiency can be improved by distributing and managing the importance of facilities in descending order of equipment index.

The above embodiment is directed to an embodiment in which a facility index and a plant management index are calculated and managed for a single plant. However, the present invention is applicable to a network-type plant management system that centrally and integrally manages factory management index information for a plurality of factories It is self-evident.

Figure 4 schematically illustrates a networked factory management system according to a preferred embodiment of the present invention.

Referring to FIG. 4, when a factory is established in a plurality of regions in Korea or abroad, the status of each factory can be managed integrally through a network via the Internet or a LAN.

For example, if A, B, and C plants are operated in each country or overseas, vibration information can be collected from each plant through a network to calculate and manage the plant management index of each plant.

In the embodiment of FIG. 4, when the factory management index of the factory A is 4.8, the factory B is 6.2, and the factory C is 3.6, it can be seen that the factory B having the highest factory management index has a higher necessity of management than other factories, The machine equipment (Machine equipment A) with the highest equipment index among the machinery facilities included in Plant B is subject to centralized management and can manage the vibration state.

As a result, the factory management index of each factory is related to the productivity. As the factory having the higher factory management index has lower productivity compared to the same capability (Capability), the productivity of the plant can be improved by repairing and repairing have.

5 schematically shows a networked factory management system according to another embodiment of the present invention.

The embodiment of FIG. 5 relates to a system for managing factory statuses of a plurality of companies including a plurality of factories, wherein the system divides a plurality of companies and integrally manages the statuses of a plurality of factories belonging to each company can do.

In this case, the vibration data management unit can assign and manage unique identification information for each company, and the factories belonging to each company can be divided into a tree structure and managed.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

20: Index calculation unit 30: Equipment state management unit

Claims (8)

(N) is set as the vibration speed value of the individual facilities installed in the factory, and the facility management index (N) and the facility management index are set in accordance with whether or not the individual facilities laid out in the factory affect the entire factory An index calculating unit for calculating a facility index of the individual facilities by multiplying the set L of the individual facilities by the set importance, and calculating a factory management index indicating a state of the plant with the highest value among the plant indexes;
Wherein the plant management index calculated from the index calculating unit and the facility indexes of the individual facilities are sorted and output in a high value order to be managed on a factory basis and the factory management index is set to a high value for each of a plurality of factories calculated from the exponent calculating unit And a plurality of factory statuses are integrally managed by outputting the statuses of the plurality of factories separately.
delete The method according to claim 1,
The exponent calculation unit
Wherein the facility management index is divided into a plurality of sections to divide the current state of the facility and determine the current state of the facility according to the facility management index.
The method according to claim 1,
The exponent calculation unit
And a facility management index (N) is calculated by setting a weight for each individual facility and multiplying the vibration velocity value of the individual facility by the weight.
The method according to claim 1,
The importance
Set to 100% if the individual facility is an independent facility (A);
Set to 1 / NX 100% if the individual facility is a dependent facility (A-1) and the number of parallelly dependent facilities is N;
In the case where the individual facility is the facility (A-1-1) that is dependent on the dependent facility again, it is set to 1 / NX 100 X 1 / M% in the case where the number of facilities subject to parallel is M A plant status management system using factory management index, delete delete delete

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