KR20130078647A - Manufacturing facility simulation system and method - Google Patents

Abstract

PURPOSE: A manufacturing facility simulation system and a method thereof are provided to change a standard of manufacturing facility and to recognize a movement of a fluid in the manufacturing facility, thereby designing optimal manufacturing facility. CONSTITUTION: A computer aided engineering (CAE) analysis unit (110) generates fluid analysis data about a shape and a property of a fluid used in manufacturing facility according to a standard of the manufacturing facility. A simulator (120) performs rendering after virtualizing the manufacturing facility according to the standard of the manufacturing facility and performs rendering of a movement of a virtual fluid within virtual manufacturing facility after virtualizing the fluid according to the fluid analysis data. A control unit (140) changes the standard of the manufacturing facility according to the movement of the virtual fluid and delivers a changed standard of the manufacturing facility for performing rendering after virtualizing the fluid and the manufacturing facility according to the changed standard of the manufacturing facility to the CAE analysis unit and the simulator. [Reference numerals] (110) CAE analysis unit; (121) First rendering unit; (122) Second rendering unit; (130) Display unit; (140) Control unit; (150) Database

Description

MANUFACTURING FACILITY SIMULATION SYSTEM AND METHOD

The present invention relates to a simulation system, and more particularly to a manufacturing facility simulation system and method.

A simulation system is a system in which physical systems and phenomena are represented by computers, models, or other devices, and when a situation or situation is difficult or impossible to test, a model is created and tested.

In a steel mill, a power plant, etc., there is an effect that a power plant can be operated and controlled in a safe and quick manner without performing a direct operation in the field by executing a simulation system. In addition, the simulation system can minimize the frequent design changes occurring at the initial stage of the development through verification of the design product or process, and shorten development period and cost.

Recently, the simulation system is implemented in three dimensions using CAD (Computer Aided Design). Here, CAD is used to design a three-dimensional object using a computer, and expresses an object as information of a line, a surface, and a grain. Such a CAD has a disadvantage in that it can express only a solid-based object and can not express the temperature or movement of the fluid.

In particular, when producing a fluid, such as steel mills, CAD-based simulation system can not represent the fluid, such as steel, there is a problem that can not visualize the shape, such as steel flow, bending, temperature distribution. Accordingly, it is difficult for a technician to accurately predict what may happen in the field.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide a manufacturing facility simulation system and method capable of expressing fluid flow and temperature distribution.

In addition, the present invention is to solve the above problems, to provide a manufacturing facility simulation system and method that can express the flow and temperature distribution of the fluid by selecting one of a plurality of unit equipment constituting the manufacturing facility is another It is a technical problem.

Another object of the present invention is to provide a manufacturing facility simulation system and method capable of changing a specification of a manufacturing facility according to a movement of a fluid in the manufacturing facility.

Manufacturing facility simulation system according to an aspect of the present invention for achieving the above object, CAE analysis unit for generating fluid analysis data on the shape and properties of the fluid used in the manufacturing facility according to the specifications of the manufacturing facility; A simulator for virtualizing and rendering the manufacturing facility according to the specification of the manufacturing facility, and rendering the movement of the virtual fluid in the virtual manufacturing facility by virtualizing the fluid according to the fluid analysis data; And change the standard of the manufacturing facility according to the movement of the virtual fluid in the virtual manufacturing facility, and the standard of the changed manufacturing facility so that the manufacturing facility and the fluid are virtualized and rendered according to the changed manufacturing facility. And a controller for transmitting to the CAE analyzer and the simulator.

Manufacturing facility simulation method according to another aspect of the present invention for achieving the above object comprises the steps of virtualizing and rendering the manufacturing facility in accordance with the specifications of the manufacturing facility; Virtualizing the fluid using fluid analysis data on the shape and properties of the fluid generated according to the specification of the manufacturing facility, and rendering the movement of the virtualized fluid in the virtual manufacturing facility; And changing the specification of the manufacturing facility according to the movement of the virtualized fluid in the virtual manufacturing facility, and rendering the movement of the virtual manufacturing facility and the virtual fluid changed by the changed specification of the manufacturing facility. Characterized in that.

According to the present invention, by visually expressing the flow and temperature distribution of the fluid in the manufacturing facility there is an effect that the technician can accurately grasp the situation that can occur in the field.

In addition, according to the present invention, there is another effect that the optimum manufacturing equipment can be designed by grasping the movement of the fluid in the manufacturing equipment while changing the specifications of the manufacturing equipment.

1 is a configuration diagram illustrating a manufacturing facility simulation system.
FIG. 2 is a configuration diagram illustrating the simulator of FIG. 1.
3 is a configuration diagram illustrating the control unit of FIG. 1.
4 is a diagram illustrating a mesh generated by a CAE analysis program.
5 is a flowchart illustrating a manufacturing facility simulation method.
6 is a flowchart illustrating a method of virtualizing and rendering a fluid.

The description of the disclosed technique is merely an example for structural or functional explanation and the scope of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, the embodiments may be variously modified and may have various forms, and thus the scope of the disclosed technology should be understood to include equivalents capable of realizing the technical idea. Also, the purpose or effect of the disclosed technology should not be construed as being limited thereby, as it does not mean that a particular embodiment must include all such effects or merely include such effects.

Meanwhile, the meaning of the terms described in the present application should be understood as follows.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present application.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention.

1 is a configuration diagram illustrating a manufacturing facility simulation system.

Referring to FIG. 1, the manufacturing facility simulation system 100 includes a CAE analysis unit 110, a simulator 120, a display unit 130, a control unit 140, and a database 150.

In the present invention, the manufacturing facility may include a steel manufacturing facility for producing steel, a petroleum manufacturing facility for producing petroleum, and a tire manufacturing facility for producing a tire. Hereinafter, for the sake of explanation, the manufacturing equipment is limited to steel manufacturing equipment and the fluid is limited to molten steel used for the production of steel. However, the present invention uses a process fluid such as a petroleum manufacturing equipment and a tire manufacturing equipment. It does not exclude manufacturing equipment.

First, the CAE analysis unit 110 generates fluid analysis data on the shape and properties of the fluid. The shape of the fluid may include at least one of temperature distribution and flow of the fluid, and the properties of the fluid may include at least one of the strength, flow rate, and viscosity of the fluid. In one embodiment, the temperature distribution of the fluid may be expressed in color separated by temperature.

In order to generate the fluid analysis data, the CAE analysis unit 110 divides the area in the manufacturing facility into a plurality of meshes. At this time, the CAE analysis unit 110 generates the fluid analysis data included in the plurality of mesh based on the manufacturing equipment specifications and process conditions. Here, the process conditions may include at least one of an operation direction, pressure, temperature, surface material, and rotational force as physical information of the manufacturing facility.

The CAE analysis unit 110 may generate a fluid analysis data for the shape and properties of the fluid by executing a computer aided engineering (CAE) analysis program. For example, the CAE interpreter may include at least one of ANSYS, ABAQUS, FLUENT, I-DEAS, LS-DYNA, FEMAP, and FADIOSS.

The CAE analysis program may generate fluid analysis data in an Ascii or binary structure. Ascii structure can be easily extracted by the user, including the character, but has the disadvantage that can not contain a large amount of information. On the other hand, the binary structure has all the information represented in binary, so that it is difficult for the user to extract the information, but it has the advantage that it can contain a large amount of information. The CAE analysis unit 110 transmits the generated fluid analysis data to the simulator unit 120.

Next, the simulator unit 120 includes a first rendering unit 121 for virtualizing and rendering a manufacturing facility and a second rendering unit 122 for virtualizing and rendering a fluid.

The first rendering unit 121 virtualizes the manufacturing equipment and renders it. The manufacturing facility may be composed of a plurality of unit facilities. For example, the plurality of unit facilities constituting the steel manufacturing facility may include at least one of a ladle for carrying molten steel, a tundish for stabilizing molten steel, and a mold for solidifying molten steel.

In one embodiment, the first rendering unit 121 may store identification information and location information of each of the plurality of virtual unit facilities constituting the virtual manufacturing facility. Here, the identification information corresponds to the model information of the virtual unit equipment, and the location information corresponds to the position where each virtual unit equipment is displayed on the display device. In addition, the above-mentioned virtual manufacturing facility means a virtualized manufacturing facility, the virtual unit equipment means a virtualized unit.

The second rendering unit 122 virtualizes the fluid according to the fluid analysis data to render the movement of the virtual fluid in the virtual manufacturing facility. In one embodiment, if any one of the plurality of virtual units is selected, the second rendering unit 122 may render the movement of the virtual fluid in the virtual unit.

FIG. 2 is a diagram illustrating a second rendering unit of FIG. 1.

Referring to FIG. 2, the second renderer 122 includes a collector 210, a data format converter 220, a mesh region generator 230, and a virtual fluid renderer 240.

The collector 210 collects fluid analysis data from the CAE analyzer 110. In one embodiment, the collection unit 210 may collect fluid analysis data for all the unit when the simulator 120 is driven.

In another embodiment, if any one of a plurality of virtual unit facilities is selected, the collection unit 210 may collect fluid analysis data for the virtual unit. In this case, the collection unit 210 may transmit a request for analysis information including identification information and process conditions of the selected virtual unit to the CAE analysis unit 110.

The information extracting unit 220 extracts mesh shape information, mesh position information, color information, and time information from the fluid analysis data collected from the CAE analysis unit 110. Here, the mesh shape information includes the shape and size of the mesh, and the mesh position information includes the position of the mesh in the manufacturing facility. In addition, the color information corresponds to the color information for distinguishing the temperature, and the time information corresponds to the step information in the continuous analysis result.

In an embodiment, the information extracting unit 220 may convert the extracted information into a data format provided by the simulator 120 and store it in the database 150.

The mesh region forming unit 230 forms a plurality of mesh regions in the virtual manufacturing facility based on the extracted mesh shape information and position information.

The virtual fluid rendering unit 240 displays the virtualized fluid according to the color information in the plurality of mesh areas formed in the virtual manufacturing facility. In this case, the virtual fluid rendering unit 240 may display the temperature distribution of the fluid.

The second rendering unit 122 updates the virtual fluid on a predetermined time basis. The second rendering unit 122 may render the virtual fluid using the time information. The second rendering unit 122 may display the flow of the fluid through the change of the virtual fluid over time.

The display unit 130 displays the virtual manufacturing facility and the virtual fluid on the display device. In one embodiment, when any one of the plurality of virtual unit facilities constituting the virtual manufacturing facility is selected by the user, the display unit 130 displays the virtual unit facility in a specific area, the virtual within the virtual unit facility The movement of the fluid can be displayed.

The controller 140 controls the CAE analyzer 110 and the simulator 120.

3 is a configuration diagram illustrating the control unit of FIG. 1.

Referring to FIG. 3, the controller 140 includes an abnormality determining unit 310, an alarm unit 320, and a standard changing unit 330.

The abnormality determining unit 310 determines whether an abnormal state occurs in the moving virtual manufacturing facility. For example, the abnormality determination unit 310 is abnormal when the temperature change or the speed change of the virtual fluid due to the movement of the virtual manufacturing equipment is out of the reference value or the virtual fluid leaves the virtual manufacturing equipment according to the movement of the virtual manufacturing equipment. It can be determined that a condition has occurred.

When the abnormal state occurs by the abnormality determining unit 310, the alarm unit 320 sends a notification message to the user to induce a change in the specification of the manufacturing facility.

If the specification change unit 330 is changed by the user, the specification change unit 330 transmits the specification of the changed manufacturing facility to the CAE analysis unit 110 and the simulator 120 so that the manufacturing facility and the fluid are virtualized according to the changed manufacturing facility standard. do.

The database 150 stores mesh shape information, mesh position information, color information, and time information extracted from the fluid analysis data according to a manufacturing facility or a unit facility. In an embodiment, the database 150 may store mesh shape information, mesh position information, color information, and time information according to process conditions.

4 is a diagram for explaining meshes classified by a CAE analysis program.

Referring to FIG. 4, the CAE analysis program may generate fluid analysis data based on manufacturing facility specifications and process conditions. Here, the manufacturing equipment to be given as an example of the pipe pipe (410).

The CAE analysis program divides the plurality of meshes 420 into the pipe 410 and generates fluid analysis data included in each mesh 420.

In this case, the CAE analysis program may generate the fluid analysis data included in the mesh 420 divided in the pipe 410 by receiving the shape and boundary condition values of the mesh 420 from the technician.

Here, the shape of the mesh 420 corresponds to one of at least one shape provided by the CAE analysis program. Generally, CAE interpretation programs provide three-, four-, and eight-way forms. The boundary condition values are determined based on the process conditions, and include flow rates, pressures, constraint conditions, and the like.

5 is a flowchart illustrating a manufacturing facility simulation method according to an embodiment of the present invention.

Referring to FIG. 5, the manufacturing facility simulation system 100 virtualizes and renders the manufacturing facility according to the specification of the manufacturing facility (S501).

The fluid is virtualized using the fluid analysis data generated according to the specification of the manufacturing facility, and the movement of the virtual fluid is rendered in the virtual manufacturing facility (S502). Hereinafter, an embodiment of a method of virtualizing and rendering a fluid will be described in more detail with reference to FIG. 6.

Referring to FIG. 6, the manufacturing facility simulation system 100 performs a CAE analysis program to generate fluid analysis data on the shape and properties of a fluid (S601). Here, the shape of the fluid may include at least one of the temperature distribution and flow of the fluid, and the properties of the fluid may include at least one of the strength, flow rate, and viscosity of the fluid.

The CAE analysis program may classify a plurality of meshes in a manufacturing facility and generate fluid analysis data included in each mesh.

The manufacturing facility simulation system 100 extracts mesh shape information, mesh position information, color information, and time information from the generated fluid analysis data (S602). In one embodiment, the manufacturing facility simulation system 100 may store the extracted information in a separate database.

The manufacturing facility simulation system 100 forms a plurality of mesh areas in the virtual manufacturing facility using mesh shape information and mesh position information (S603), and virtualizes and renders a fluid in the mesh area formed using the color information (S604). ). The virtual fluid may display the temperature distribution in color.

Manufacturing facility simulation system 100 updates the virtual fluid at a predetermined time period (S605). The manufacturing facility simulation system 100 may update the plurality of mesh regions formed in the manufacturing facility by using mesh shape information and mesh position information matching the time information. The manufacturing facility simulation system 100 may update the virtual fluid by virtualizing and rendering the fluid in a plurality of updated mesh regions using color information matching the time information.

Referring back to FIG. 5, the manufacturing facility simulation system 100 changes the specification of the manufacturing facility and renders the movement of the virtual manufacturing facility and the virtual fluid changed according to the changed manufacturing facility standard (S503).

In one embodiment, the manufacturing facility simulation system 100 may determine the abnormal condition by analyzing the movement of the manufacturing facility and the virtual fluid, and when an abnormal condition occurs, it will notify the user to change the specification of the manufacturing facility. Can be.

In one embodiment, the manufacturing facility simulation system 100 is the temperature change and the speed change of the virtual fluid in accordance with the movement of the virtual manufacturing facility is out of the reference value, or when the virtual fluid leaves the virtual manufacturing facility in accordance with the movement of the virtual manufacturing facility It may be determined that an abnormal condition has occurred.

If the specification of the manufacturing facility is changed by the user, the manufacturing facility simulation system 100 may virtualize and render the manufacturing facility according to the changed specification of the manufacturing facility.

In addition, the manufacturing facility simulation system 100 may generate fluid analysis data and render the fluid by virtualizing the generated fluid analysis data.

Although not shown in FIG. 5, the manufacturing facility simulation system 100 virtualizes and renders the selected unit when one of a plurality of unit facilities constituting the manufacturing facility is selected. In addition, the manufacturing facility simulation system 100 virtualizes and renders the fluid in the rendered virtual unit.

In one embodiment, if any one of a plurality of unit equipment constituting the manufacturing facility is selected, the manufacturing facility simulation system 100 inputs the identification information and the process conditions of the selected unit equipment to the CAE analysis program to convert the fluid analysis data Can be generated.

In another embodiment, the manufacturing facility simulation system 100 retrieves fluid analysis data from a database based on identification information and process conditions of the selected unit when one of the plurality of units constituting the manufacturing facility is selected. can do. Once found, the manufacturing facility simulation system 100 may render the virtual fluid using the retrieved fluid analysis data. If not found, the manufacturing facility simulation system 100 may generate the fluid analysis data by inputting identification information and process conditions of the selected unit facility into the CAE analysis program.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit and scope of the present invention as set forth in the following claims It can be understood that

Claims (15)

A CAE analysis unit for generating fluid analysis data on the shape and properties of the fluid used in the manufacturing facility according to the specification of the manufacturing facility;
A simulator for virtualizing and rendering the manufacturing facility according to the specification of the manufacturing facility, and rendering the movement of the virtual fluid in the virtual manufacturing facility by virtualizing the fluid according to the fluid analysis data; And
According to the movement of the virtual fluid within the virtual manufacturing facility, the standard of the manufacturing facility is changed, and according to the specification of the changed manufacturing facility, the specification of the changed manufacturing facility is rendered such that the manufacturing facility and the fluid are virtualized and rendered. Manufacturing facility simulation system comprising an analysis unit and a control unit for transmitting to the simulator. The method of claim 1,
The manufacturing facility is a steel manufacturing facility for producing steel, and the fluid is a manufacturing facility simulation system, characterized in that the molten steel used for the production of the steel. The method of claim 1,
The virtual manufacturing facility is composed of a plurality of virtual unit facilities,
The simulator, when any one of the plurality of virtual unit facilities is selected, renders the selected virtual unit facility, and renders the movement of the virtual fluid in the rendered virtual unit facility Manufacturing facility simulation system. The method of claim 1,
And wherein the shape of the fluid comprises at least one of temperature distribution and flow of the fluid, and wherein the properties of the fluid include at least one of the strength, flow velocity, and viscosity of the fluid. The method of claim 1, wherein the shape information of the fluid,
And a shape information of the fluid included in the separated mesh. The method of claim 1, wherein the simulator,
Manufacturing equipment simulation, characterized in that to extract the mesh shape information, mesh position information, color information, and time information from the fluid analysis data, and to use the extracted information to render the movement of the virtual fluid in the virtual manufacturing equipment system. The method of claim 6, wherein the simulator,
A first rendering unit for virtualizing and rendering the manufacturing facility according to the specification of the manufacturing facility; And
And dividing the virtual manufacturing facility into a plurality of mesh regions by using the mesh shape information and mesh position information, and including a second rendering unit to render the virtual fluid in the plurality of mesh regions by using the color information. Manufacturing equipment simulation system. The method of claim 7, wherein the second rendering unit
Manufacturing facility simulation system, characterized in that for updating the virtual fluid using the time information to render. The method according to claim 6,
And a database for storing mesh shape information, mesh position information, color information, and time information extracted from the fluid analysis data according to a manufacturing facility. The apparatus of claim 1,
If the temperature change and the speed change of the virtual fluid according to the movement of the virtual manufacturing equipment is out of the reference value or the virtual fluid leaves the virtual manufacturing equipment according to the movement of the virtual manufacturing equipment, the specification of the manufacturing equipment is changed. Manufacturing facility simulation system, characterized in that. Virtualizing and rendering the manufacturing facility according to the specification of the manufacturing facility;
Virtualizing the fluid using fluid analysis data on the shape and properties of the fluid generated according to the specification of the manufacturing facility, and rendering the movement of the virtualized fluid in the virtual manufacturing facility; And
Changing the specification of the manufacturing facility in accordance with the movement of the virtualized fluid in the virtual manufacturing facility, and rendering the movement of the virtual manufacturing facility and the virtual fluid changed by the specification of the changed manufacturing facility. Manufacturing facility simulation method characterized in that. The method of claim 11,
And generating fluid analysis data on the shape and properties of the fluid used in the manufacturing facility according to the specification of the manufacturing facility or the specification of the changed manufacturing facility. The method of claim 11,
Receiving a selection for any one of a plurality of virtual unit facilities constituting the manufacturing facility; And
And rendering the selected virtual unit facility and rendering a movement of the virtual fluid in the rendered virtual unit facility. The method of claim 11, wherein rendering the movement of the virtualized fluid in the virtual manufacturing facility comprises:
And dividing the manufacturing facility into a plurality of meshes, virtually displaying the fluid according to the shape information of the fluid in the divided mesh, and moving the fluid according to the attribute information. The method of claim 11, wherein the rendering of the movement of the virtual manufacturing facility and the virtual fluid,
If the temperature change and the speed change of the virtual fluid according to the movement of the virtual manufacturing equipment is out of the reference value or the virtual fluid leaves the virtual manufacturing equipment according to the movement of the virtual manufacturing equipment, the specification of the manufacturing equipment is changed. Manufacturing facility simulation method characterized in that.

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