KR20160095829A - Optimal arrangement apparatus for ship or offshore plant using expert system and the method thereof - Google Patents

Abstract

The present invention relates to an apparatus for arranging an offshore plant or a ship using an expert system capable of optimally arranging a ship or an offshore plant using an expert system providing a requirement condition and design experiences dependent on experience and acknowledge of an expert with a quantitative data in a design process, and a method thereof. The partitioning and arrangement device for designing a ship or an offshore plant comprises an arrangement designing unit including an expert system module and a partitioning optimization module. The arrangement designing unit outputting an arrangement table set including a partitioning table having information on partitioning and equipment as expert acknowledge in accordance with an arrangement plan of the ship or the offshore plant, and a relation table having relation information between equipment. The partitioning optimization module stores information on partitioning and equipment for generating an arrangement plan of the ship or the offshore plant, receives information on the arrangement table output from the expert system module, generates a partitioning optimization problem by varying a design variable and applying an objective function and a constraint condition which is a requirement condition in accordance with the arraignment plan, and deduces an optimized design plan by deducing a value of the partitioning optimization problem. The apparatus for arranging an offshore plant or a ship using an expert system can perform a design with an optimized arrangement structure when a ship or an offshore plant is built by applying an expert system module to a design of the ship or the offshore plant.

Description

TECHNICAL FIELD [0001] The present invention relates to an apparatus and a method for designing a ship or an offshore plant using an expert system,

The present invention relates to a ship or an offshore plant layout design apparatus capable of performing an optimum layout design of a ship or an offshore plant utilizing an expert system that expresses requirements and design experiences that are dependent on expert knowledge and experience in design in quantitative data And a method thereof.

For ships or offshore plants, the necessary systems are constructed and the supporting equipment is determined according to the given operating conditions. Since the various systems and the main equipment that make up these systems must be located in a limited space within the hull or offshore plant, the importance of optimum design for efficient deployment of these systems in batch design is increasing steadily.

As an example of a conventional technique for designing a ship during the design of a ship or an offshore plant, Korean Patent Laid-Open Publication No. 10-2013-0019438 (hereinafter referred to as "Prior Art 1") describes a method of designing a ship, In order to solve the problem that the design lead time, that is, the time taken from the start to the completion of the design to the completion, becomes too long and the design quality deteriorates, the 3D model of the hull structure The data of the entire batch model including the machine model as the 3D model of the hull structural model and the machine device is stored in the storage section and the entire batch model is calculated based on the final lead data representing the line shape of the ship to be dried through the model creating and changing section By changing the design of the ship and the structure and design of the ship, the time required to complete the ship's design and to complete it It discloses a "ship design support system" that axis.

Examples of conventional technologies having similar characteristics to those of offshore plant layout design during ship or offshore plant design include Korean Registered Patent No. 10-0297095 (hereinafter referred to as 'Prior Art 2') and Korean Registered Patent No. 10-0310974 Hereinafter referred to as " Prior Art 3 ").

Prior Art 2 relates to a 'simulation method for designing a container terminal'. It relates to a method of designing a container terminal and a method of designing the container terminal, By using a method of changing the influencing input elements, a computer simulator model for optimizing the design and operation while changing the virtual scenarios enables optimal utilization of the resources within the limited conditions using the models. In order to minimize the investment and operation costs in the port container terminal, the terminal size is predicted by using the prerequisite information including terminal arrangement, common operation, freight volume, and terminal judgment information, and terminal layout design and dynamic simulation The design of the feed path for Then, the overall operation planning strategy for the terminal dynamic simulation is set up to construct the basic simulation model, and the dynamic simulation is performed according to the occurrence of at least one event using the basic simulation model. After that, each simulation execution state and performance are displayed, and an optimal container terminal model can be generated by comparing the performance of the simulation and the performance based on the simulation model that has been performed before.

The 'Container Terminal Layout Design Method' of the above-mentioned prior art 3 shows the direction of the development of the container terminal considering the efficiency of the design work and economical efficiency from the planning stage of the container terminal development for all the container terminals including the construction of the new port and the existing port . To this end, the prior art 3 described above sets basic information including the quantity of processed goods, container terminal size, cargo distribution, container standard, type of cargo equipment and equipment standard, Slide simulation is performed to analyze the cargo volume and TGS (Total Ground Slot) during the year by cargo type through scenarios that change the number of hydrocarbons, and cargo volume analysis is performed. Yard blocks are designed and operated according to the slot simulation and the results of the cargo volume analysis It is necessary to derive the layout results of layouts for other facilities such as buildings, and to be able to evaluate the results obtained.

However, the above-described prior arts 1 to 3 have limitations in designing a ship or a container terminal while excluding the reflection of experts' opinions in the process of arranging structures in a design process of a ship or a container terminal.

The problem of arrangement of structures has always been a major concern of engineers in the past, and until recently, research on the layout design of various objects has been carried out using various techniques. One of the most active researches is the optimal arrangement. This is to find a layout that minimizes the objective function through various algorithms using various variables used in the layout design. In this case, the objective function used to represent the quantitative measure or expression is somewhat different from the human knowledge that the layout design expert can grasp based on the layout plan. Although design experts can not quantitatively calculate logistics flow or space efficiency as an objective function of an optimal layout, experience has shown that a layout is feasible, or how effective a layout is, I have an idea of what will happen. From this point of view, expert systems have been introduced into the layout design process that can quantify the knowledge or experience of specific placement problems.

Also, the layout design of a ship or an offshore plant becomes very complicated due to the operational characteristics of the ship or the functional characteristics of the offshore plant, so that the space (partition) relation and the function relationship inside the ship or the offshore plant are complicated. Most equipment should be placed in a restricted compartment, such as a hull or offshore plant. Therefore, the layout design process of a ship or an offshore plant can be regarded as a process that meets various functional requirements given to the design. In this process, it should be reviewed and participated by skilled experts.

However, in order to utilize the expert system in the layout design, it is necessary to have a way of expressing the expert knowledge as the expert system. The way to implement an expert system is the most accurate one, but this is not possible in reality, so it is necessary to effectively process the knowledge required for the layout design so that it can be used in the expert system.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method of designing a ship or an offshore plant having an optimal layout structure An apparatus for designing a ship or an offshore plant using an expert system, and a method therefor.

Another object of the present invention is to provide an apparatus and a method for designing a ship or an offshore plant having an expert system module structured to efficiently reflect expert knowledge in the design of a ship or an offshore plant.

The present invention also relates to a ship or an offshore plant including a batch optimizing process that enables rapid computation processing by reducing the resource utilization rate of a computer in order to optimize placement of a ship or an offshore plant, It is another object to provide a layout design apparatus and a method thereof.

In order to achieve the above object, an apparatus for designing a ship or an offshore plant using an expert system according to the present invention is an apparatus for designing a vessel or an offshore plant for designing a vessel or an offshore plant, An expert system module for extracting and outputting a batch schedule table having information on equipment and a batch schedule table including relation tables having relation information between the batch and equipment; And an information processing unit for receiving the information of the layout schedule outputted from the expert system module, and then changing the design parameters and setting the objective function, which is a requirement according to the layout, And a layout design optimizing module for deriving an optimal layout design by deriving a solution to the partition layout optimization problem after generating a layout optimization problem by adding a constraint, do.

The expert system module includes knowledge related to the layout created based on expert knowledge and includes 'compartment information' and 'relation information', which define definitions of compartments and equipment layout planning elements, 'Compartment table' and 'relation table' can be constructed by using 'compartment information' and 'relation information' to show the requirements for each compartment and equipment and the relation between each compartment and equipment. A divisional information model modeled by expert's segment information and relationship information knowledge is applied.

In the expert system module, the compartment schedule is a set of compartment information that is data of the requirements of the compartment and the equipment or the knowledge of the layout design expert according to the space criterion, and the relation table is the relationship between the compartment and the equipment And the expert knowledge of the relationship or conditions of the equipment installed in the compartment is a set of data-related information.

Wherein the segment information includes at least one of a segment / equipment information ID, a segment / equipment name, a segment / equipment requirement; A data type including a character type including at least one of the identifier of the segment information and the name of the segment / equipment, and a measurement type indicating at least one of a reference value, a limit type, and a measurement unit; And a description describing the attribute.

The segment information measurement type may include a property of a measurement type including at least one of a standard value, a boundary type, and a unit type; A data type of a measurement type that includes at least one of a numeric type and a selection type; And a description including a numerical value as a reference value and a numerical value unit for a measurement unit as a reference numerical value, a description of a selection form as a limit type, and a limit type represented by the data. Lt; / RTI >

Wherein the relationship information includes at least one of a relationship information ID, a reference segment / equipment, a relationship type, a target segment / equipment, a relationship requirement; A character type that includes one or more of the identifier of the relationship information and the name of the compartment / equipment, and a measurement type that represents one or more of the reference type, connection, shortest depth, shortest distance, and height difference indicating the type of relationship between the two compartments / Data type; And a description including one or more of the relationship information identifier and the reference block / device name that is the subject of the relationship, the name of the compartment / equipment subject to the relationship, the type of relationship between the compartments / equipment, ; ≪ / RTI >

The relationship type of the relationship information includes at least one of a connection of a compartment / equipment, a shortest depth, a shortest distance, and a height difference; And a description including at least one of a physical connection between the compartment and the equipment, a minimum number of compartments / equipment to pass through the movement path, a physical minimum distance on the movement path, and a height difference between the compartments / equipments. .

The expert system module includes an expert knowledge database for storing compartment information and related information for arranging compartments and equipment of the ship or offshore plant in a compartment schedule and a relational table; By extracting the compartment information and related information of the expert knowledge database according to the arrangement of the ship or offshore plant by reasoning, a compartment table having information on the compartment and equipment and a possible layout table including relation table having relation information is extracted An inference engine unit for generating a batch schedule set; And an evaluation score calculation unit for deriving an evaluation score in comparison with a criterion based on expert knowledge with respect to layout schedules for implementation in the layout generated by the inference engine unit and outputting the derived evaluation scores and the layout schedules to a section layout optimization unit And an evaluation score generating unit for outputting the evaluation score.

The expert system module may include a rule operating tool that allows the expert to define, for example, compartments and arrangements for the layout design of vessels or offshore plants, relationships between compartments and equipment, and to register, update, and a rule operation tool including rule operation tools.

In addition, the rule operation tool unit may further include a rule operation tool that extracts the compartments and equipment of the compartment layout template unit to create a layout of a ship or an offshore plant.

The inference engine unit outputs the result of the inference as a final fact value so as to be used as an objective function and a constraint condition for generating a partition placement optimization problem by the partition placement optimization unit of the partition placement optimization module.

Wherein the partition layout optimization module comprises: a partition layout template section for providing partition information and mounting equipment information of a ship or an offshore plant so as to create a layout of a ship or an offshore plant; A set of layout tables, which are sets of the assumed design variables generated by the optimization operation tool and a set of possible expert knowledge for the implementation of the layout outputted from the expert system module, and an objective function defined based on the evaluation score information of the evaluation score generating section, A compartment layout optimizing unit that generates a 'compartment layout optimization problem of the ship or an offshore plant' from the constraint; And an optimization engine unit for optimizing a solution to the partition layout optimization problem to derive an optimal design.

The objective function is a function for checking suitability or excellence in arrangements according to the needs of the compartment of the vessel or the offshore plant to be designed.

The constraint condition is characterized in that conditions that must be met inevitably in design such as " the compartment of the ship to be designed or the offshore plant is present inside the hull "

The design parameter is characterized in that the design parameter is the position of a partition dividing the partition or the order of the partition.

The optimization operation tools support the function of inputting and modifying the attribute values defined in the template model in the partition layout template section of the ship or offshore plant after assuming the derived optimal layout layout as a design variable, And is configured to generate and initialize a model entity by defining an attribute value of the template model.

The segmentation information and the equipment information of the optimization design derived from the optimization engine unit are stored in the partition arrangement template unit and provided as a template for designing another ship or offshore plant.

The partition layout optimization module may further include an alternative analysis and evaluation tool part for visually displaying a ship or an offshore plant to be implemented according to an optimal design derived from the optimization engine part.

In order to accomplish the above object, there is provided a ship or marine plant layout design method using an expert system of the present invention, comprising: a layout plan generation process for generating an initial layout plan including partition and equipment information to meet a purpose of a ship or an offshore plant; A layout table set derivation step of deriving a layout table set including expertise partition information and relationship information to be applied to the generated initial layout; And constructing an objective function and a constraint based on the derived set of layout schedules and applying a modified design variable including changing a position of a partition or a partition to generate a partition layout optimization problem for optimization, And a layout optimizing step of deriving a solution of the optimization problem into an optimum design.

The layout schedule set derivation process may include information on the compartment and equipment as expert knowledge that can be applied to each compartment and equipment in the layout stored in the expert knowledge database in accordance with the arrangement derived from the layout layout derivation process Extracting a layout table including a relation table including a list of tabs and relation information, and deriving a layout table set.

The layout optimization process is performed by designing the positions of the respective partitions of the compartment and the order of the compartments as design variables, and the information including the evaluation score, required volume satisfaction level, and center of gravity derived from the expert system module A main compartment optimal placement process for optimizing the arrangement of the main compartments with respect to the positions of the respective compartments and the installation conditions of the equipment corresponding to the compartments; The order of arrangement of the detailed subdivisions in the subdivision is set as a design parameter for the inside of each subdivision generated in the main subdivision optimum placement process and the center of gravity of the subdivision subdivision A sub-sub-sub-optimal placement step of sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub- And the information including the position and rotation of the equipment are used as design variables and information including one or more of the expert's evaluation score in the equipment arrangement and the hostility and intimacy according to the degree of proximity between the equipment and the equipment connection cost And an equipment optimal placement process in a detailed compartment in which the equipment optimal placement is performed in the detailed compartment with information including at least one of a condition in which the equipment does not overlap and a condition to be placed in the compartment as an objective function, have.

The batch optimization process verifies the effectiveness of the optimization design for the optimal layout finally obtained and confirms whether the requirements specified by each class or International Maritime Organization are satisfied, and if not, satisfies each condition And returning to any one of the main sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub- have.

The present invention having the above-described structure constitutes an expert system module that enables the expert opinion to be applied in the design of a ship or an offshore plant to be applied to the ship or offshore plant design. It is possible to perform a design having an optimal layout structure at the time of drying or construction.

In addition, the present invention relates to an optimal design by applying an expert system module capable of expressing knowledge or experience of a specific field as quantitative data with respect to the problem of compartment arrangement of a ship or an offshore plant, And experience can be reflected in the optimum design problem even in the absence of the expert, thereby providing the effect of significantly improving the optimality of ship or offshore plant design.

Further, the present invention can efficiently reflect expert knowledge in the design of ships or offshore plants.

In addition, the present invention reduces the resource utilization of computers in order to optimize the placement of a ship or an offshore plant that reflects expert knowledge, so that the optimal design for a ship or an offshore plant can be quickly And provides an effect of enabling accurate derivation.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a vessel or offshore plant layout design apparatus using an expert system according to an embodiment of the present invention; FIG.
Fig. 2 is a detailed functional block diagram of the layout designing part for the ship or marine plant layout design of Fig. 1; Fig.
3 is a flow chart showing the processing procedure of the ship or offshore plant layout design method of the present invention;
4 is a diagram showing a template model of a partition layout template part for storing design information on a layout object such as a ship or an offshore plant;
FIG. 5 is a diagram illustrating an example in which the compartment information and the relation information are registered by the expert system module based on the design information of the placement object in the template model of the partition layout template section of FIG. 4, Fig. 5 is a diagram showing a process of performing a post-evaluation. Fig.
6 is a view showing an embodiment of a partition table;
7 is a diagram showing an embodiment of a relationship table;
FIG. 8 is a flowchart showing a detailed processing procedure of the batch optimization process (S300) in the process of FIG. 3;
Fig. 9 is a view showing a user interface of the ship and the offshore plant optimum layout designing apparatus of Fig. 1; Fig.
11 is an embodiment of a template model for an expert system;
12 is a view showing a limiting condition for static restoration of a submarine as an embodiment of the present invention;
13 shows a general equilibrium polygon.
FIG. 14 is a view showing a simplified hull of a submarine as an embodiment of the present invention. FIG.
Figure 15 is a diagram illustrating evaluation scores for various alternatives; Figure 16 is a diagram illustrating a final program screen visualized using an example evaluation result according to an embodiment of the present invention;

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

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The embodiments according to the concept of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in this specification or the application. It is to be understood, however, that the intention is not to limit the embodiments according to the concepts of the invention to the specific forms of disclosure, and that the invention includes all modifications, equivalents and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises ",or" having ", or the like, specify that there is a stated feature, number, step, operation, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

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

1 is a configuration diagram of a ship or an offshore plant layout design apparatus using an expert system according to an embodiment of the present invention.

1, the ship or offshore plant layout designing apparatus 1 includes a control unit 10 as a central processing unit, a program implemented to perform an operation program and a vessel or offshore plant optimum layout design of the present invention, A storage unit 20 that is installed by the control unit 10 and stores the layout design unit 100 that enables the design of the ship or offshore plant layout, An input unit 30 and a display unit 40 for displaying an internal operation process. And a communication unit 50 for performing communication with the outside when communication with the outside is required.

2 is a detailed functional block diagram of the layout designing unit 100 of FIG.

As shown in FIG. 2, the layout designing unit 100 includes a compartment schedule having information on compartments and equipment as expert knowledge in accordance with the arrangement of a ship or an offshore plant, and a relation table having relationship information between the compartments and the equipments An expert system module 200 for deriving and outputting a set of layout tables and the compartment and equipment information for creating a layout of the ship or offshore plant to generate the layout plan and outputting the layout plan to the expert system module 200, After receiving the information of the layout schedule outputted from the expert system module 200, the design variable is varied, and an objective function and a constraint condition, which are requirements according to the layout, are added to generate a spatial layout optimization problem. And a compartment layout optimization module (300) for deriving an optimal design by deriving a solution to the problem, The.

The expert system module 200 is described in detail in the article 'PISSN: 1225-1143, Vol. 51, No. 2, pp. 'Expert System', 'A Study on the Application of Expert System to Submergence Layout Design', 'Expert System' published in the Journal of Korean CAD / CAM Conference held on February 12-14, 2014, Based expert system using simple rules of IF-THEN as disclosed in 'Study on effectiveness evaluation method of submarine division arrangement by'. The above-described 'spatial information model' refers to various types of layout-related knowledge created based on expert knowledge, and includes 'space information' and 'relation information' representing the definition of a spatial layout planning element A 'space schedule' and a 'relation schedule' indicating the relationship between the requested space and each space using the 'space information' and 'relation information' And the spatial information of the experts and the knowledge of the relationship information.

Specifically, the expert system module 200 includes a user interface (GUI) for inputting and storing compartment information and relation information as expert knowledge for disposition of a division 311 and an equipment 313 of a ship or an offshore plant according to the arrangement, And the relationship information 227 and the relationship information 227 for arranging the division or equipment of the ship or offshore plant to the division table (division list table) 221 An expert knowledge database 220 for storing the expert information database 220 in a table (relational list table) 225, and a section information extracting unit 220 for extracting the section information and relationship information of the expert knowledge database 220 according to the arrangement of the ship or the offshore plant, And a relationship table having relationship information, and generates a layout table having possible compartment information and relation information for the layout And extracts all applicable layout lists in the layout set by repeatedly extracting the layout table. Then, the result values of the inference are determined as the final fact values, and an objective function for creating a layout optimization problem of the partition layout optimization unit 220 And an inference engine unit 230 for outputting the evaluation scores to be used as a constraint condition and an evaluation score in comparison with a criterion based on expert knowledge on placement schedules for implementation in a placement created in the inference engine unit 230, And an evaluation score generating unit 240 for outputting the derived evaluation scores and the layout schedule to the layout layout optimization unit 320.

The layout table is defined as one tabular schedule containing information on the applicable subdivision and equipment and a relationship table containing the relationship information between the subdivision and the equipment. The evaluation score may be given by a condition in which the compartment information and the relation information are satisfied, and a method of realizing the matching between the extracted compartment information and the relation information so as to have an equal score difference according to the degree of satisfaction.

The expert system module 200 of the above-described configuration is designed to have the expert knowledge among the properties of the relationships between the compartments and compartments applied in the arrangement in which the compartments 311 and 313 of the ship or offshore plant compartment layout template portion are selected and formed And a rule operation tool unit 210 serving as a frame for rule definition by extracting attributes having a close relationship with each other.

The rule management tool unit 210 may be configured to allow a specialist to define a zone and equipment for designing a ship or an offshore plant, a relation between the zone and equipment, a condition of equipment installed in the zone, And rule operating tools that allow the user to create a layout of a ship or an offshore plant by extracting the section 311 and equipment 313 of the section layout template section 313 . The rule at this time is partition information as expert knowledge for each partition in the layout and relationship information as expert knowledge indicating the relation between each partition and equipment and compartment information 223 as a rule corresponding to each expert knowledge The relationship information 227 is stored in the expert knowledge database 220 as a compartment list (compartment list table) 221 and a relation table (relation table table) 225.

 The layout plan for designing the ship or offshore plant is installed in each of the sections 311 and each of the sections 311 to meet the purpose of the ship or offshore plant using the rule operating tool unit 210 May be derived by extracting equipment 313.

The inference engine unit 230 derives the partition information 223 and the relationship information 227 required in the arrangement of the division of the ship or the offshore plant and the relationship information 227 in the expert knowledge database 220 by inference, A layout table including a relation table consisting of a compartment list and relation information is derived. The inference by the inference engine unit 230 is repeatedly performed until a different combination of the partition information and the relation information to be applied in the batch is not generated. That is, the inference of the inference engine unit 230 makes the rule information and the relation information as expert knowledge of the knowledge database as rules, uses the corresponding facts in the placement to infer a new fact, And so on. The results of the inference are stored and then reflected in the objective function and constraints of the optimization problem of the subdivision of the ship or offshore plant.

The compartment layout optimizing module 300 includes a compartment layout template unit 310 for providing compartment information and mounting equipment information of a ship or an offshore plant so as to create a layout of a ship or an offshore plant, And an objective function 321 and constraint conditions 323 of the set of layout tables, which are sets of possible expert knowledge for the implementation of the layout outputted from the expert system module 200, A spatial arrangement optimizing unit 320 for generating a 'spatial arrangement optimization problem of a ship or an offshore plant' as a function defined by the evaluation score information of the generating unit 240, Using the objective function and the objective function and constraint conditions modified by the ship, the sum of the evaluation scores of each of the compartment information and the relation information generated by the evaluation score generating unit 240 becomes maximum (330) for deriving an optimal design alternative by performing optimization to obtain a solution to the partition layout optimization problem so as to satisfy a condition for locking the partition layout optimization problem; and an optimizing engine section And an alternative analysis and evaluation tool unit 340 that visually displays the vessel or offshore plant to be implemented.

In the above-mentioned configuration, the objective function is a function for checking conformity or excellence in the arrangement according to the needs of the compartment of the vessel or the offshore plant to be designed. And the above constraints are conditions that must be met in designing such as 'the space for the compartment is inside the hull' of the ship or the offshore plant to be designed. And the design parameters are the relationships between the positions of the spaces and the spaces and the spaces.

In each configuration of the above-described compartment layout optimizing module 300, the compartment layout template section 310 stores information on the compartments 311 and equipment 313 for ships or offshore plants in a template form, that is, a template model .

The optimization operation tools 325 of the spatial arrangement optimizing unit 320 support the function of inputting and modifying the attribute values defined in the ship or offshore plant layout template model after assuming the derived optimal arrangement plan as design variables, It is configured to create and initialize the model entity by defining the property values of the layout template model according to the given space allocation problem.

The partition information and equipment information of the optimization design derived from the optimization engine unit 330 are stored in the partition layout template unit 310 and provided as templates for designing another ship or offshore plant.

Hereinafter, a processing procedure of a ship or an offshore plant layout designing method by the layout designing unit 100 having the above-described configuration will be described.

3 is a flowchart showing a process of a ship or marine plant layout designing method using the expert system of the present invention.

3, the ship or offshore plant layout designing method of the present invention includes a layout plan creation process (S100) for creating an initial layout plan including partition and equipment information to meet the purpose of a ship or an offshore plant, (321) and constraint conditions (323) based on a layout schedule set derivation process (S200) for deriving a layout schedule set including the expert knowledge to be applied to the partition And a placement optimization process (S300) for generating a design optimization problem for the compartment, and deriving the solution of the compartment placement optimization problem into an optimum design.

The batch layout generation process S100 is a process of extracting the segments 311 and the equipment 313 that are capable of achieving the purpose of the marine or offshore plant from the segment layout template unit 310 and dividing each of the segments and the equipment And extracted into the batches for ships or offshore plants to be designed.

At this time, the layout concept of the ship or offshore plant is structured by using the information of the partition 311 and the equipment 3113 of the partition layout template unit 310 of the above-described partition layout optimization module 300, To construct a 'template model' of a ship or an offshore plant, an ontology may be required to express the characteristics of each property within a specific area or the relationship between them.

4 is a diagram showing design information, i.e., an ontology, for a ship or an offshore plant space arrangement.

An example of the ontology for placing in a ship or an offshore plant is described as an example of a ship. The ontology for the ship includes the most important hull as shown in FIG. 4, a bulkhead and a deck deck). Each bulkhead and deck of the divided hull, as described above, is defined as a compartment 311. Again, each compartment 311 can be divided into subpartitions, each of which is defined as a subcompartment for convenience. The compartments and subdivisions may contain various equipment (313) required for the vessel or offshore plant. The concept of the internal arrangement of the ship or offshore plant can be represented by UML (Unified Modeling Language), which is one of the modeling languages after adding the data structure call and internal attributes. FIG. Represents an ontology as a layout plan.

As described above, an initial layout of a ship or an offshore plant is derived by setting the design target vessel or offshore plant, and then setting the layout information of the section and the equipment.

The layout schedule set derivation process S200 may be applied to each of the compartments and devices in the layout stored in the expert knowledge database 220 in the initial layout derived in the layout layout derivation process S100 Extracting all possible layout tables including a section table including information on the sections and equipment as the expert knowledge and a relationship table including the relationship information, and deriving a set of layout tables.

FIG. 5 is a flow chart illustrating a method of extracting partition information and relationship information by an expert system module based on an ontology, which is design information on the placement object of FIG. 4, to generate a layout table set, Fig. 6 is a view showing an embodiment of a partition table, and Fig. 7 is a view showing an embodiment of a relationship table.

As shown in FIG. 5, the partition information 223 is generated by the rule management tool unit 210 as described above, which is a data format of the knowledge of the layout design expert according to the requirement of any partition or equipment or the spatial reference, It is stored in the database. A tabular tabulation table 221 is created and stored so that the target values can be set by listing all defined tabs and equipment based on the intellectual section information 223 of the layout design expert. The relationship information 227 is data obtained by expertizing the expert knowledge on the compartments and the compartments of the compartment table 221, and is generated by the rule-operating tool 210 as described above Stored in the expert knowledge database. A relationship table 225 in the form of a table is arranged so that the relation between all the defined compartments and equipment information and the target value can be set based on the compartment relation of the layout design expert and the equipment installation relation 227 about the equipment installation relation And stored. It was defined as a layout table including a compartment table and a relationship table extracted to be applied to the layout.

6 and 7, the section table and the relationship table will be described in more detail.

As shown in FIG. 6, the data format of the partition table 221 includes a unit area, a unit quantity, and so on, so that the requirements of each compartment or equipment can be expressed. Specifically, the partition information 223 constituting the partition schedule 221 includes a partition / equipment information ID, a partition / equipment name, a partition / equipment requirement, and the like. In addition, the data type for each attribute includes an identifier of the segment information, a character type including the name of the segment / equipment, a measurement type, and the like. The measurement type includes a description of the attribute of the measurement type, the data type of the measurement type, and the measurement type. The attributes of the measurement type are a standard value, a boundary type, a unit type, etc., and the data type of the measurement type is a numeric type, a selection type, and the description of the measurement type is a numeric type Explanation of numerical values such as 1.0., 50.0, ... etc., Explanation of selection type as limit type, min (min), max (max), ext (correct), pro , Etc., and numerical units such as m, m ² , m ³ , .... are included in the explanation of the selection type of the unit of measurement. The description of the compartment information includes the compartment / equipment volume defined as a description of the defined compartment / equipment such as the identifier S001 of the compartment list, shop, office, toilet, and the measurement type.

The relationship information 227 described above defines a relation type for any compartment or equipment in advance. In the present invention, only the attributes that can be measured quantitatively are targeted. Accordingly, the relation information 227 is defined similarly to the compartment information. However, as shown in FIG. 7, the expression indicating the relation between the compartments and the devices is added so that the 'number of connections',' Shortest distance ', and' height difference '. The relationship table 225 is a group of relationship information 227 for indicating relation conditions between the compartments and the equipments. Like the compartment schedule 221, And a table specifying a target value.

The relationship information 227 described above includes attributes, data types, and descriptions.

The attributes include the relationship information ID, reference segment / equipment, relationship type, target segment / equipment, relationship requirements, and the like. The data type includes a character type, a reference type, and the like. The above description is based on the relationship between the character type of the relation information ID and the reference compartment / equipment which is the subject of the relationship such as' Relation information identifier such as R001 ',' Workshop, Private, Toilet, 'The relation type of two compartments / equipment such as' ConnectionTo, DeptheFrom' for reference type of relation type, 'Ground', 'TheOtherGroup' for character type of target compartment / equipment. (Minimum), 50_max (maximum) _m for the measurement type of the relationship requirement, and the like, which are the target of the relation / Target value ", and the like.

As described above, the relationship type is configured to express the 'number of connections', 'the shortest depth', 'the shortest distance', and 'the height difference' between the compartments and the equipments. The attributes of the relationship type are the connection, the shortest depth, the shortest distance, the height difference, etc., and the description includes the physical connection between the compartment and the equipment (related property-connection, proximity, etc.), the minimum number of spaces (Relative attributes - accessibility, ease of use, etc.), height differences (differences in compartments and equipment heights (related attributes - accessibility, grounding, etc.)) .

The division information 223 and the relationship information 227 can be registered, modified and deleted by the expert through the rule management tool unit 210 as described above.

The inference engine unit 230 selects the partition information 223 and the relationship information 227 reflecting the expert knowledge that can be applied in the batch from the expert knowledge database 220 and generates the partition table And derives a layout table containing the relationship table. The placement schedule includes a compartment schedule comprising information on all compartments and equipment that can be applied in the placement, and a relationship table having relationship information. The inference engine unit 230 repeats the inference process of deriving the layout table until the set of the partition information and the related information to be applied to the layout are not derived, thereby deriving a set of layout tables that can be applied in the layout.

The set of layout tables thus derived is used by the evaluation score generating unit 240 to assign an evaluation score in the layout, and this score is an index for evaluating suitability and excellence in the layout

The set of layout tables derived as described above and the evaluation scores of each layout schedule are output to the layout optimization unit 320 of the layout layout optimization module 300. At this time, the result of inference of the inference engine unit 230 is used as a final fact value, and is used as an objective function and a constraint condition for generating a segmentation optimization problem of the segmentation optimization unit 220 in the future.

The above-described processing procedure becomes a batch schedule deriving process (S200).

In the placement optimization process (S300) of FIG. 3, the objective function 321 and the constraint condition 323 are configured based on the derived layout schedule set, design variables such as indicating the position of the partition or the partition, It is a process to generate optimization problem for compartment layout and to derive optimal solution by deriving solutions.

For this, the partition layout optimizing unit 320 generates a partition layout optimization problem for optimization by constructing an objective function 321, a constraint condition 323, and necessary design variables based on the derived layout schedule set. At this time, the optimization operation tools 325 support the function of inputting and modifying the attribute values defined in the ship or offshore plant layout template model, and by creating the model object by defining the attribute values of the layout template model according to the given partition layout problem So that it can be initialized.

As described above, when the compartment layout optimization problem is generated by the compartment layout optimization unit 320, the optimization engine unit 330 applies the optimization algorithm so that the objective function is minimized based on the evaluation score on the layout schedules , And an optimal design satisfying all of the constraints is derived. That is, the optimization engine unit 330 derives an optimal design by obtaining a solution of a design parameter, that is, a solution to the optimization problem of a partition, that satisfies all the constraints and the objective function is minimum. In this process, The design parameters such as the position of the partition, the position of the partition, and the like may be changed and applied by the control unit 325.

In the above-described batch optimization process (S300), the optimization module is formulated by the optimization module to find the optimal layout based on the evaluation score of the placement plan reflecting the knowledge of the layout expert. If the problem is formulated as a single problem, There are cases where it is difficult to formulate and formulate. In some cases, it is difficult to apply a high-performance computer resource and a considerable computing processing time to derive the solution from the formalization function even if it is formalized. Therefore, in the embodiment of the present invention, it is explained that the minimum process is performed in the batch optimization process S300 for optimal placement of the ship or offshore plant to formulate the problem.

FIG. 8 is a flowchart illustrating a process of stepwise forming a partition layout optimization problem for optimal placement of a ship during a placement optimization process (S300) in the process of FIG.

As shown in FIG. 8, the process for optimally arranging the ship or offshore plant includes a main partition optimization process (S310), a sub-sub-partition optimization process (S320), and a sub- . In addition, a validity satisfaction determination process (S340) and an optimal result visualization process (S350) are further performed to validate the optimization design.

In the main partition optimum placement process (S310), the partition optimal placement is first performed. In this case, the design variables are the positions and the order of the compartments of each partition, and the objective function is the evaluation score derived from the expert system module 200 in the compartment arrangement, the satisfaction degree of the required volume, and the center of gravity. The constraints are constraint conditions for the bulkhead position not to escape the hull, constraints for constructing compartments with enough width to accommodate the equipment corresponding to each compartment, and so on.

In the sub-sub-optimal placement process (S320), the sub-sub-sub-divisions are optimized. The design variables are the order of placement of each subdivision, and the objective function is the center of gravity of the subdivision of the subdivision and the expert's score in the detailed subdivision.

In the sub-optimal device arrangement process (S330), the optimal arrangement of the sub-sub-sub-devices or sub-sub-sub-devices is performed. The design variables are the position of the equipment and whether the equipment is rotating. The objective function is the expert's score in the equipment layout, hostility and intimacy according to the degree of proximity between equipment, and the cost of connection between equipment. Constraints are the conditions under which the equipment will not overlap and the conditions within the compartment.

In the validity satisfaction determination process (S340), after each of the above-described processes for optimizing the ship or the offshore plant, the requirements specified by each class or the International Maritime Organization (hereinafter referred to as " (S310), a sub-optimal sub-sub-sub-process (S320), and a sub-sub-optimal sub-sub-process (S330), which satisfy the respective conditions, ), And performs the batch optimization again by repeating the process.

In the optimal result visualization process (S350), if an optimum design plan satisfying the conditions of the validity satisfaction process (S340) is derived, the design plan is visualized in three dimensions or the like, and output through the alternative analysis evaluation tool unit 340 , Evaluation analysis of optimal design, and alternatives.

Therefore, the alternative analysis and evaluation tool unit 340 includes a tool for performing an alternative analysis and evaluation, and includes a user interface for driving the alternative analysis and evaluation tool unit 340.

9 is a view showing a user interface of the ship or marine plant layout designing apparatus of FIG.

9, the user interface 241 of the alternative analysis and evaluation tool unit 240 includes a menu window 243, a template model tree window 245, an attribute window 247, and a 3D visualization window 239 .

The menu window 243 includes a tool for visualization, a tool for defining rules of an expert system, and a tool for changing various properties in the optimization process.

The template model tree window 245 displays design information about the layout in a template model structure described above so that each compartment, detailed compartments, and equipment can be identified.

The property window 247 allows information of the selected template component to be confirmed.

The 3D visualization window 249 visualizes the three-dimensional view of the ship or offshore plant according to a design having an optimal alternative spatial layout. In the case of FIG. 9, a partition layout model for a pressure hull of a submarine is visualized in three dimensions and output. As shown in FIG. 9, the 3D visualization window 249 allows the user to visually confirm the arrangement of a ship or an offshore plant.

Hereinafter, an embodiment in which the present invention is applied to a submarine will be described.

1. Application of expert system to submarine layout design

Submarine pressure To determine the compartment inside the hull, the volume required by each compartment, the geometry of the compartment, the length of the compartment, and the position in the height direction must be considered. For example, in the case of a propulsion engine, it should normally be positioned in a straight line behind equipment such as shafting, thrust block, gearing, and motor. In addition, when dividing a ship segment, basically, it should be designed so that the overall collapse does not occur considering the structural strength of the pressure hull. However, in the case of longitudinal bulkheads, consideration should also be given to the parallel arrangement, so the operational performance due to the distribution of the command control room, the communication room, and the sonar room should also be considered. In this case, the structural strength according to the position of each compartment is relatively simple to formulate and can be easily utilized in the optimization process. However, the operational performance is determined by experts, so it is difficult to formalize it and consider it in the optimization process. Therefore, in the embodiment of the present invention, to solve the above problem, an expert system was introduced to build a program that can satisfy satisfactory design alternatives with minimum given conditions in the submarine layout design process.

In order to apply the expert system to the submarine layout design in the embodiment of the present invention, a template model for submarine placement is first created. Then, a frame is constructed using only the attributes to be used in the expert system and is transplanted onto the expert system. Then, the sub model example using the template model is implemented and the layout plan is created. Next, rules for the characteristics and relationships of the compartments are created, and finally, the rules are applied to evaluate the fitness of the submarine batches in the expert system.

1.1 Submarine Placement Template Model

In order to design submarine layout efficiently, a formalized data structure is needed. In the embodiment of the present invention, this is defined as a submarine placement template model. In order to create a template model, firstly, 'shape information', 'design knowledge information', and 'feature information' are extracted by systematically analyzing existing submarine layout design drawing data. Then, we analyze the layout design knowledge such as 'order of layout design', 'relation between compartment and hull form', 'relation between compartments', 'compartment and equipment arrangement method'. Based on this, we define the structure and system of spatial layout template model that can express spatial arrangement information of submarine with design information related to input of minimum information.

In the embodiment of the present invention, a subspace layout template model is proposed as shown in FIG. Most of the equipment required by the submarine is deployed, and the pressure hull, which performs most of the functions necessary for the operation of the submarine, is designated as the topmost object. The partition dividing the inside of the pressure hull is divided Bulkhead, longitudinal girder, and deck were classified into three types. The space divided by the partition is defined as a compartment, and a partition flag is defined to specify the relative position of the partition relative to the partition. Each compartment consists of one or more basic compartment units divided by bulkheads. And the basic compartment is again divided into inner subpartitions, allowing the discrete loads and tanks to be loaded inside.

1.2 Template modeling for expert systems

In the embodiment of the present invention, only the components necessary for the expert to define rules on the expert system of FIG. 10 are extracted and re-constructed as a frame on the expert system.

11 is an embodiment of a template model for an expert system.

In the reconstructed frame, the pressure hull object and the compartment object are used in the template model to define the relation between the pressure hull and the compartment, and the compartment object is used to define the relation between the compartment and the compartment as a rule.

In the embodiment of the present invention, only a portion of the submarine template model is selectively extracted and used according to the expert knowledge required. Therefore, when rules and knowledge are diversified, various attributes defined in the template model can be rearranged according to various rules.

1.3 Rules for Submarine Placement Assessment

Using the template model for the expert system, a frame for rule definition is defined on the expert system, and various rules can be defined by using it. In the embodiment of the present invention, the rules for the items essential to the submarine layout design and the rules for evaluating the fitness of the alternative submarine placement are defined.

A description of each classification follows.

Rules for the design of submarine layout designs

· Rules according to the location of machinery

· Rules according to the position of the stern, trim tank

Rules for evaluation of fitness in submarine layout

· Rules for height position of tanks

· Rules according to the position of the stern, trim tank

· Regulations on the distance between the engine room and the accommodation

· Regulations on the distance between SEAL accommodation and lockout chambers

· Rules on the distance between crew accommodation and command & control

· Rules concerning the distance between the engine room and the fuel oil tank

· Rules for longitudinal position of machinery spaces

The essential elements of the submarine layout design are defined as the elimination of alternatives by dismissing the placement alternative when it is dissatisfied with the necessary elements in placing the submarine compartment. We then defined the rules for evaluating the fitness for the batch alternatives satisfied for the essentials. The subdivisions are further divided into rules based on the relationship between compartments and hulls, and rules based on the relationship between compartments and compartments. However, since there may be differences in importance between items, it is defined to add importance to rules as in [Table 1]. The importance is expressed in five levels from very important to not important, and some degree of ambiguity is resolved when experts determine importance.

2. Evaluation method of submarine space layout

2.1 Assessment of Submarine Placement Plan Considering Expert System

Evaluation of qualitative factors by expert opinions is also important for evaluating submarine placement. However, indicators such as static stability and equilibrium polygon to be equipped by submerging underwater should also be evaluated. In addition, factors such as space efficiency and longitudinal weight balance must be quantitatively calculated to determine the efficiency of the layout. Therefore, in the embodiment of the present invention, the static restorative force and the equilibrium polygon, which are two requirements that must be satisfied for the submarine to operate in the sea, are evaluated first, and then three expert opinions, space efficiency, The longitudinal weight balance was used as a normalized value by multiplying each weight.

2.2 Space efficiency

There are several ways to calculate the space efficiency of a submarine. In order to calculate the space efficiency of the submarine, the evaluation items for the surplus space leveling and the evaluation items for minimizing the movement amount between the spaces are considered in the embodiment of the present invention. The first item is to distribute the equipments uniformly in the hull rather than being divided into one compartment when various equipments are arranged in the subdivision compartment, so as to maximize the capacity of space of the subdivision,

[Equation 1]

In Equation (1), Ci denotes the floor area of the i-th segment of the whole compartment, and Lij denotes the floor area of the j-th equipment of the i-th compartment. In the case of the same compartment and equipments, the maximum value of Equation (1) is the case where the space leveling is the best. In case of the second item, the movement amount should be minimized because it is possible to minimize the disturbance caused by equipment or human movement and to maximize the operational performance in the case where the movement amount is minimized when calculating the logistics or human movement amount between the compartments. For this, the movement amount is calculated as shown in the following formula (2).

&Quot; (2) "

In Equation (2), Uij denotes the movement distance from the i-th to the j-th, and dij denotes the distance from the i-th to the j-th. The sum of these two values is the sum of the total displacement, and in the case of a layout with the same pressure hull, the layout in which the amount of movement is minimized is the optimal layout in terms of the amount of movement. It is necessary to grasp the amount of movement between the respective compartments in order to calculate U in Equation (2). In the embodiment of the present invention, the amount of movement between the seamen's residence and the command and control room, which is frequently visited by the person, is set to the highest, followed by the crew residence, engine room, resident and diving room. The rest of the districts are the same because they have almost no human travel or equipment movement.

2.3 Longitudinal weight balance

The submarine ensures that the schematic arrangement of the equipment in the conceptual design satisfies the longitudinal center of gravity and center of gravity. However, this can be changed according to the position of the equipment, in which case the longitudinal balance must be adjusted with the aft and stern correction tanks. Therefore, there is a possibility that the capacity of the correction tank increases according to the layout result, leading to over designing of the tank. Therefore, the arrangement of the equipment in the submarine should be arranged so that the center of gravity and the center of buoyancy are as close to each other as possible considering the longitudinal weight balance. In the embodiment of the present invention, the center of gravity of the equipments placed in each compartment and the tanks located at the bottom of the vessel are calculated, and an alternative which minimizes the center of gravity of the total volume of the inside of the pressure hull is used as a better alternative Respectively.

2.4 Static restoration

Since the submarine should be able to operate both under water and under water, static resilience should be satisfied as with ships. Since the cross-sectional shape of the submarine is almost circular, it is assumed to be circular in the embodiment of the present invention.

12 is a view showing a restricting condition for static restoration of a submarine as an embodiment of the present invention.

Referring to FIG. 12, the metacenter always acts toward the center of the circle regardless of the angle at which the line of the circular cross section is at any height. Thus, modern submarines with circular cross-sections will have a transverse slope stability requirement that the center of gravity should be below the center of the circle in an upright state. During the dive, sea level effect disappears, but because the assistant is near the center of the circle, it also has a positive value. Since these points do not change with the angle of inclination, they will be sinusoidal, that is, positive values up to 180o. Therefore, in the embodiment of the present invention, when the layout is evaluated, it is added that the center of gravity must be located below the referee.

2.5 Trim polygon

13 is a view showing a general equilibrium polygon.

The submarine can change the weight inside the submarine due to various conditions during operation. For example, when launching a torpedo, fuel oil or auxiliary oil is consumed due to prolonged operation period. In this case, the submarine should not only be balanced in buoyancy and weight in water but also have to balance the longitudinal center of buoyancy and center of gravity in order to prevent the hull from tilting. In this case, the athlete and the stern correction tank are used, and the longitudinal weight balance of the hull is adjusted by filling and emptying it. However, since there is a limit of the correction value according to the capacity of the bow and stern correction tank, the equilibrium polygon is indicated by this limit line. In the embodiment of the present invention, the change of the equilibrium polygon according to the arrangement of the submarine is calculated, and it is selected as a suitable alternative when the submarine satisfies the correction state in all circumstances.

3. Application example of effectiveness evaluation method in submarine space layout

FIG. 14 is a view showing a simplified hull of a submarine as an embodiment of the present invention. FIG.

The submarine layout design expert system proposed in the embodiment of the present invention was used to evaluate a simple example placement alternative. The pressure hull constructed as shown in Fig. 14 was constructed by referring to the partition arrangement inside the pressure hull used in Fig. Inside, there are eight compartments in total: machinery, command & control, lockout chamber, SEAL accommodation, crew accommodation, stern correction tank an after trim tank, a forward trim tank, a fuel oil and an auxiliary fuel tank.

3.1 Applying Rules for Alternative Evaluation of Submarine Placement

For the alternative evaluation, the rules for the submarine placement alternative evaluation described above were applied. First of all, there are three basic rules for the submarine deployment.

The first rule is that if the engine room deviates from the stern, the shaft for propulsion becomes longer and the weight of the submarine increases, and the engine room becomes closer to the zone where the crew resides, it is essential to greatly affect the operational performance due to vibration and noise. Respectively. And the other two rules were chosen as above to lose the athlete, or the stern correction tank, if the athlete departs from the stern or stern.

For the alternatives satisfying the rules for the above three essentials, we applied the rules for setting the scores of 11 batch alternatives in total, as shown in the following three examples.

The first and second are the rules for the relationship between the pressure hull and the compartment. The first is that the closer the engine room is to the rear, the better the placement alternative. Therefore, the higher the distance from the rear of the pressure hull to the engine room, the higher the score . Secondly, the calibration tank should be at the lower part of the hull so that the center of gravity is lowered and the availability of the remaining space is increased, so that the higher the score is, the closer it is to the bottom of the ship. The third is the score rule for the relationship between compartments and compartments. As the distance between the occupant's dwelling unit and the diving compartment is close to the distance, the distance between the two compartments is higher. Similar to the above three examples, the placement alternatives were evaluated by applying 11 different rules according to the relationship between the remaining pressure hulls and compartments, and between compartments and compartments.

And weighted according to the importance of each rule according to [Table 1], and the score which is normalized to a value between 0 and 1 is set as an alternative evaluation score by expert opinion.

[Table 1] Weight according to importance

Figure 15 is a calculation of scores for various alternatives.

In Fig. 15, the following three placement alternatives can be found that the placement alternative itself has been omitted as an alternative that does not satisfy the essential requirement. According to the rules regarding the relationship between compartments and compartments, the closer the positions of the occupant's residence and the diving compartment are, the better the placement alternative, The closer the location of the command and control room is, the higher the score is to be a better placement alternative. The rest of the deployment alternatives are the result of calculations for various deployment alternatives.

16 is a diagram showing a final program screen visualized by utilizing the example evaluation results according to the embodiment of the present invention. As shown in FIG. 16, the present invention can confirm the score evaluated using the expert system, and confirm the placement result according to the score.

In the present invention, an expert system was used to evaluate the submarine placement alternatives. The existing submarine placement alternatives can be determined by the expert or the user, by using the expert system proposed in the present invention, if the expert directly designs and judges the appropriateness of the placement alternative. Therefore, it is easy to see which one of the actual placement alternatives is appropriate. And the placement optimization module can grasp the optimal placement alternative.

1: Ship or offshore plant layout design device
100: batch design section 200: expert system module
300: Compartment layout optimization module

Claims (22)

1. A compartment layout designing apparatus for ship or offshore plant design,
An expert system module for extracting and outputting a batch schedule table having partition information as expert knowledge and a batch schedule table including relation tables having relationship information between the batch and the equipments in accordance with the arrangement of a ship or an offshore plant; And
And the information of the layout table output from the expert system module is received. Then, design variables are changed, and an objective function and a constraint A partition layout optimizing module for deriving an optimal design by deriving a solution of the partition layout optimization problem after generating a partition layout optimization problem by adding a condition;
And a layout designing unit including the layout designing unit and the layout designing unit.
The system according to claim 1,
The knowledge related to the layout created based on the knowledge of the experts includes 'compartment information' and 'relation information', which define definitions of the compartments and equipment layout elements,
A 'compartment table' and a 'relation table', which represent the requirements of each compartment and equipment and the relation between the compartments and equipment, are constructed using the 'compartment information' and 'relation information' And a partition information model modeled by an expert's compartment information and relationship information knowledge to enable the user to design a ship or an offshore plant layout design.
The method of claim 2,
The compartment schedule is a set of the compartment information which is data of the requirements of the compartment and the equipment or knowledge of the layout design expert according to the space standard,
Wherein the relationship table is a set of data-related information, wherein the expert knowledge of the relationship between the compartment and the equipment and the relationship or conditions of the equipment installed in the compartment is a set of data-related information.
The information processing apparatus according to claim 2,
Properties including one or more of compartment / equipment information ID, compartment / equipment name, compartment / equipment requirement;
A data type including a character type including at least one of the identifier of the segment information and the name of the segment / equipment, and a measurement type indicating at least one of a reference value, a limit type, and a measurement unit; And
And a description describing the attribute of the ship or the offshore plant.
The system according to claim 4,
A property of a measurement type that includes at least one of a Standard Value, a Boundary Type, and a Unit Type;
A data type of a measurement type that includes at least one of a numeric type and a selection type; And
A description including a reference numerical value as a reference value, a description including a reference numerical value as a limit type, a limit type represented by the data, and a numerical unit for the measurement unit. Of the vessel or offshore plant arrangement design.
The information processing apparatus according to claim 2,
An attribute that includes one or more of a relationship information ID, a reference segment / equipment, a relationship type, a target segment / equipment, a relationship requirement;
A character type that includes one or more of the identifier of the relationship information and the name of the compartment / equipment, and a measurement type that represents one or more of the reference type, connection, shortest depth, shortest distance, and height difference indicating the type of relationship between the two compartments / Data type; And
A description including at least one of the relationship information identifier and the name of the reference compartment / equipment that is the subject of the relationship, the name of the compartment / equipment subject to the relationship, the type of relationship between the compartments / equipment, and the quantified target value of the requirement of the relationship; Wherein the data structure of the ship or the offshore plant is designed to have the data structure of the ship or the offshore plant arrangement.
7. The method according to claim 6,
Attributes that include one or more of compartment / equipment connections, shortest depth, shortest distance, height difference; And
A description that includes at least one of physical connections between compartments / devices, minimum number of compartments / devices to pass on the travel path, physical minimum distance on travel path, height difference between compartments / devices, And a vessel or an offshore plant layout designing apparatus.
The system according to claim 1,
An expert knowledge database for storing compartment information and related information for arranging compartments and equipment of the ship or offshore plant in a compartment schedule and a relational table;
By extracting the compartment information and related information of the expert knowledge database according to the arrangement of the ship or offshore plant by reasoning, a compartment table having information on the compartment and equipment and a possible layout table including relation table having relation information is extracted An inference engine unit for generating a batch schedule set; And
The evaluation score is derived from the criteria based on the expert knowledge with respect to the layout schedules for implementation in the layout generated by the inference engine unit, and the derived evaluation scores and the layout schedules are output to the layout layout optimizing unit of the layout layout optimization module And an evaluation score generating unit for generating an evaluation score for the marine plant.
The system according to claim 8,
And outputs the result of the inference as a final fact value so as to be used as an objective function and a constraint condition for generating a partition placement optimization problem by the partition placement optimization section of the partition placement optimization module .
9. The system of claim 8,
Includes rule operation tools that enable an expert to define, define, and delete compartments, equipment, compartments, and equipment for batch design of ships or offshore plants, and to register, update, or delete them with compartment or relationship information Wherein the apparatus further comprises a rule management tool unit for managing the layout of the vessel or the offshore plant.
The system according to claim 10,
Further comprising rule operating means for extracting the compartments and equipment of the compartment layout template unit so as to create a layout of the ship or the offshore plant.
The system according to claim 1,
A partition layout template section for providing partition information and mounting equipment information of a ship or an offshore plant so as to create a layout of a ship or an offshore plant;
A set of layout tables, which are sets of the assumed design variables generated by the optimization operation tool and a set of possible expert knowledge for the implementation of the layout outputted from the expert system module, and an objective function defined based on the evaluation score information of the evaluation score generating section, A compartment layout optimizing unit that generates a 'compartment layout optimization problem of the ship or an offshore plant' from the constraint;
And an optimization engine unit for optimizing a solution of the partition layout optimization problem to derive an optimum design plan.
13. The method of claim 12,
And a function to check suitability or excellence in arrangements according to the needs of the compartments and equipment of the ship or the offshore plant to be designed.
The method according to claim 12,
Characterized in that the conditions to be met necessarily of the vessel or offshore plant to be designed are characterized.
14. The method of claim 12,
Wherein the design parameter is at least one of a position of a partition dividing a section or an order of a section.
13. The system of claim 12,
It is assumed that the derived optimal layout is a design variable, and then it is supported to input and modify the property values defined in the template model in the partition layout template section of the ship or offshore plant. And the model object is created and initialized by defining the model object.
The method of claim 12,
Wherein the partition information and the equipment information of the optimization design derived from the optimization engine unit are stored in the partition layout template unit and provided as templates for designing another ship or offshore plant.
14. The system of claim 12,
And an alternative analysis and evaluation tool unit for visually displaying a ship or an offshore plant to be implemented according to an optimal design derived from the optimization engine unit.
A batch plan generation process that generates an initial batch plan that includes compartment and equipment information to meet the purpose of the vessel or offshore plant;
A layout table set derivation step of deriving a layout table set including expertise partition information and relationship information to be applied to the generated initial layout; And
Constructing an objective function and a constraint based on the derived set of layout schedules, generating a partition layout optimization problem for optimization by applying modified design parameters including changing the position of the partition or the partition, And a layout optimizing step of deriving the solution of the problem into an optimal design.
The method according to claim 19,
The expert system module includes a compartment schedule and relation information including compartment and equipment information as expert knowledge that can be applied to each compartment and equipment in the layout stored in the expert knowledge database according to the layout derived in the layout layout derivation process And extracting layout tables including the relationship table and deriving a layout table set.
21. The method of claim 19,
The position of each partition and the order of the compartments of the compartment are determined as design variables, and the information including the evaluation score, required volume satisfaction degree, and center of gravity derived from the expert system module in the layout is used as an objective function, An optimal arrangement of the main compartments in which the optimal arrangement of the main compartments is performed with the installation conditions of the equipment corresponding to the compartments as a constraint;
The order of arrangement of the detailed subdivisions in the subdivision is set as a design parameter for the inside of each subdivision generated in the main subdivision optimum placement process and the center of gravity of the subdivision subdivision A sub-sub-sub-optimal placement step of sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub- And
The information including the position and rotation of the equipment is used as a design parameter, and information including one or more of the expert's evaluation score in the equipment arrangement, the hostility and intimacy according to the degree of proximity between equipment, And a device optimal placement process in a detailed partition in which the information including at least one of a condition in which equipment does not overlap and a condition to be placed in the partition is set as a constraint, A ship or an offshore plant layout design.
22. The method of claim 21,
After the validation of the optimization design for the optimal layout finally obtained is verified, it is checked whether the requirements specified by the classification society or the International Maritime Organization are satisfied, and if it is not satisfied, Further comprising a validity satisfaction judging process for returning to any one of the sub-optimal layout process in the sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub- Plant layout design method.

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