WO2022054394A1 - Design assistance device, design assistance program and design assistance method - Google Patents

Design assistance device, design assistance program and design assistance method Download PDF

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Publication number
WO2022054394A1
WO2022054394A1 PCT/JP2021/026298 JP2021026298W WO2022054394A1 WO 2022054394 A1 WO2022054394 A1 WO 2022054394A1 JP 2021026298 W JP2021026298 W JP 2021026298W WO 2022054394 A1 WO2022054394 A1 WO 2022054394A1
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WIPO (PCT)
Prior art keywords
installation
toilet bowl
arrangement
placement
generation unit
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PCT/JP2021/026298
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French (fr)
Japanese (ja)
Inventor
紀明 小松
治之 中村
由紀 小池
彩子 鶴田
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株式会社Lixil
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Publication of WO2022054394A1 publication Critical patent/WO2022054394A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G06F30/27—Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model

Definitions

  • This disclosure relates to a design support device, a design support program, and a design support method for supporting the design of the installation place where the toilet bowl is installed.
  • toilet bowls not only toilet bowls, but also toilets equipped with various equipment, appliances, equipment, etc. for users who require special consideration, such as handrails, diaper changing tables, and ostomate-compatible toilets, are becoming widespread. In particular, in facilities where a specific number of users or unspecified users are expected, consideration for users with various attributes is required, so multi-functional toilets with a large number of installations may be installed. Many (see, for example, Patent Document 1).
  • the number of placement plans published in the catalog and the placement candidates designed individually is limited.
  • the number of placement candidates for which mockups can be created and operation can be verified is further limited.
  • a technique for generating the arrangement of the toilet bowl and the installation object with the necessary consideration is required.
  • the present disclosure is made in view of such problems, and the purpose is to provide a technique for more appropriately supporting the design of the installation place where the toilet bowl is installed.
  • the design support device of a certain aspect of the present disclosure includes an installation information acquisition unit that acquires information on the installation location of the toilet bowl or information on the installation object installed together with the toilet bowl at the installation location, and installation information. Based on the information acquired by the acquisition unit, the placement candidate generation unit that generates the placement candidates for the toilet bowl and the installation object to be installed at the installation location, and the presentation unit that presents the placement candidates generated by the placement candidate generation unit. And prepare.
  • the placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the placement quality of the toilet bowl and the installed object as the fitness, and the evaluation criteria are assumed. Includes criteria for convenience when the user is using the toilet bowl or installation.
  • the computer is acquired by the installation information acquisition unit and the installation information acquisition unit that acquire information on the installation location of the toilet bowl or the installation object installed together with the toilet bowl at the installation location. It functions as a placement candidate generation unit that generates placement candidates for toilet bowls and installation objects installed at the installation location based on the information provided, and a presentation unit that presents placement candidates generated by the placement candidate generation unit.
  • the placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation standard for evaluating the quality of the placement of the toilet bowl and the installation object as the fitness, and the evaluation standard is , Includes criteria for convenience when the intended user uses the toilet bowl or installation.
  • Yet another aspect of the design support method of the present disclosure is based on the step of acquiring information on the installation location of the toilet bowl or the installation object installed together with the toilet bowl on the computer, and the acquired information.
  • the step of generating a candidate for the arrangement of the toilet bowl and the installation object to be installed at the installation location and the step of presenting the generated candidate for the arrangement, and generating the step the quality of the arrangement of the toilet bowl and the installation object is determined.
  • Placement candidates are generated by an evolutionary algorithm that uses the evaluation value calculated using the evaluation criteria for evaluation as the fitness, and the evaluation criteria are convenient for the assumed user to use the toilet bowl or installation. Includes gender criteria.
  • 1 (a) and 1 (b) are diagrams showing an example of an installation location of a toilet bowl designed by the design support device according to the embodiment. It is a figure which shows the structure of the design support apparatus which concerns on embodiment. It is a figure which shows the example of the arrangement pattern. It is a figure which shows the example of the display screen presented by the arrangement candidate presentation part. 5 (a), (b), (c), and (d) are diagrams showing an example of an image generated by the image generation unit 65. It is a figure which shows the image which shows the flow line from the user who is in a wheelchair from entering the toilet room to leaving the room. It is a figure which shows the image which shows the interference between the user who is in a wheelchair and a toilet bowl or an installation object.
  • the design support device generates a candidate for the careful arrangement required by the expected user from the options for the arrangement of the toilet bowl and the installation object at the installation location. Since there can be a huge number of options for arranging toilet bowls and installation objects at the installation location, the design support device of the present embodiment obtains an approximate solution of the arrangement candidates based on the evaluation weighted by the considerations.
  • One of the algorithms suitable for searching for such an approximate solution is an evolutionary algorithm.
  • the design support device of the present embodiment uses an evolutionary algorithm whose fitness is an evaluation value calculated using an evaluation standard for evaluating the quality of the arrangement of the toilet bowl and the installation object.
  • Evaluation criteria include criteria that represent the convenience of the intended user when using the toilet bowl or installation.
  • FIGS. 1 (a) and 1 (b) show an example of an installation location of a toilet bowl designed by the design support device according to the embodiment.
  • FIG. 1A shows an example of a multi-functional toilet.
  • the multi-functional toilet 10 in addition to the toilet bowl 12, installation items such as a handrail 13, a washbasin 14, a paper roll, a baby keep 16, a universal sheet 17, and an ostomate-compatible toilet 18 are installed.
  • the toilet bowl 12 is preferably installed along the wall away from the door 11 in order to improve the maneuverability when the user in the wheelchair turns the wheelchair.
  • the baby keep for keeping the baby sitting is preferably installed in front of the toilet bowl 12 so that the user who is using the toilet bowl 12 can gaze at the baby.
  • a space of 19 or more rotation circles of a general wheelchair is secured in the multi-functional toilet 10 so that a user using a wheelchair can easily change direction while riding in a wheelchair. ..
  • various considerations are required according to the assumed attributes of the user.
  • FIG. 1 (b) shows an example of a toilet room including a multi-functional toilet.
  • the toilet room 30 in addition to a normal private room in which only a toilet bowl and a handrail are installed, a private room in which a baby keep is installed, a private room in which a diaper changing table is installed, and the like are provided. It is common in the toilet room 30 to make it difficult for passersby to see the inside of the toilet room 30, and to make it easy for people heading from the doorway to the back and people heading from the back to the doorway in the toilet room 30. In addition to the considerations required for toilets, care must be taken to make it easier for people in wheelchairs, those with infants, those who bring in accessories such as strollers, and ostomates. ..
  • FIG. 2 shows the configuration of the design support device 50 according to the embodiment.
  • the design support device 50 includes a communication device 51, a display device 52, an input device 53, a storage device 80, and a control device 60.
  • the design support device 50 may be a server device, a device such as a personal computer, or a mobile terminal such as a mobile phone terminal, a smartphone, or a tablet terminal.
  • the communication device 51 controls communication with other devices.
  • the communication device 51 may perform communication by any wired or wireless communication method.
  • the display device 52 displays a screen generated by the control device 60.
  • the display device 52 may be a liquid crystal display device, an organic EL display device, or the like.
  • the input device 53 transmits an instruction input by the user of the design support device 50 to the control device 60.
  • the input device 53 may be a mouse, a keyboard, a touch pad, or the like.
  • the display device 52 and the input device 53 may be mounted as a touch panel.
  • the storage device 80 stores programs, data, etc. used by the control device 60.
  • the storage device 80 may be a semiconductor memory, a hard disk, or the like.
  • the storage device 80 stores an installation information database 81, an arrangement rule holding unit 82, and a three-dimensional shape data holding unit 83.
  • the installation information database 81 stores information on installations that can be installed in the toilet room.
  • the installation information database 81 includes the type, name, model number, color, dimensions, weight, price, construction conditions, placement restrictions, installation necessity, considerations, etc. according to the assumed user attributes, etc.
  • the installation conditions include conditions such as the space required for constructing the installation object.
  • Arrangement restrictions include restrictions such as clearance required before and after, up and down, left and right of the installed object, and positional relationship with other installed objects.
  • the considerations include the considerations required when the intended user uses the toilet room.
  • the arrangement rule holding unit 82 is for generating an arrangement pattern for arranging the toilet bowl and the installation object in the toilet room according to the shape and size of the toilet room and the type and number of the installation objects installed in the toilet room. Hold multiple placement rules.
  • the placement pattern is generated according to the placement rules such as construction conditions, placement restrictions, and considerations for the installation.
  • the placement rule may include a rule that must be satisfied and a rule that does not have to be satisfied but takes precedence. Priority may be assigned to a plurality of rules, and an arrangement pattern satisfying the high-priority rule may be preferentially generated. Different integers are assigned as identification information to each arrangement pattern.
  • FIG. 3 shows an example of an arrangement pattern.
  • a rule for generating a plurality of arrangement patterns for arranging the toilet bowl and the installation at the installation location is held in the arrangement rule holding unit 82.
  • four types of placement patterns are generated according to the four types of placement rules for installing the toilet bowl, and then, four types of placement patterns are installed according to the placement rules for installing each installation object. Things are placed.
  • the three-dimensional shape data holding unit 83 holds the three-dimensional shape data of the space inside the toilet room and the three-dimensional shape data of each of the installation objects that can be installed in the toilet room.
  • the three-dimensional shape data holding unit 83 further holds the three-dimensional shape data when the movable installation object is operated.
  • the three-dimensional shape data of the installation object is used to simulate the movement of the user in the generated arrangement candidate, the movement of the movable installation object, and the like.
  • the three-dimensional shape data holding unit 83 may hold two-dimensional or three-dimensional shape data of a rectangular parallelepiped (bounding box) surrounding the installed object for calculation when generating a candidate for the arrangement of the installed object. As a result, the calculation load can be reduced.
  • the control device 60 includes an installation location information acquisition unit 61, an installation object information acquisition unit 62, an arrangement candidate generation unit 63, an arrangement candidate presentation unit 64, an image generation unit 65, an image display unit 66, an arrangement editing unit 67, and a data output unit. 68 is provided. These configurations are realized by the CPU, memory, and other LSIs of any computer in terms of hardware, and are realized by programs loaded in memory in terms of software. It depicts a functional block realized by. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms such as hardware alone or a combination of hardware and software.
  • the installation location information acquisition unit 61 acquires information on the installation location where the toilet bowl is installed.
  • the installation location information acquisition unit 61 acquires information such as the shape, dimensions, door position, shape, and dimensions of the installation location.
  • the installation location information acquisition unit 61 may acquire design data such as two-dimensional CAD data or three-dimensional CAD data of the installation location.
  • the installation object information acquisition unit 62 acquires information on the installation object to be installed together with the toilet bowl at the installation location.
  • the installation object information acquisition unit 62 acquires information such as the type, number, shape, dimensions, and weight of the installation object to be installed at the installation location.
  • the arrangement candidate generation unit 63 generates candidates for the arrangement of the toilet bowl and the installation object to be installed at the installation location based on the information acquired by the installation location information acquisition unit 61 and the information acquired by the installation object information acquisition unit 62. do.
  • the placement candidate generation unit 63 generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the quality of the placement of the toilet bowl and the installed object as the fitness.
  • any known algorithm such as genetic algorithm, genetic programming, evolutionary programming, evolutionary strategy, etc. may be used.
  • genetic algorithm genetic programming
  • evolutionary programming evolutionary programming
  • evolutionary strategy etc.
  • an example of generating placement candidates by a genetic algorithm will be described. Details of known techniques for genetic algorithms will be omitted as appropriate.
  • the placement candidate generation unit 63 first generates an initial group consisting of a predetermined number of individuals.
  • the chromosome of each individual contains the type of placement pattern and the amount of movement of the placement position of the toilet bowl and installation in the placement pattern.
  • the chromosome may include the center coordinates of the wheelchair's circle of rotation.
  • Each of the genes of each individual is represented by an integer from 0 to n. That is, the amount of movement of the arrangement position is an integral multiple of the unit movement amount, and the center coordinates of the rotating circle are an integral multiple of the unit vector.
  • the placement candidate generation unit 63 generates a placement pattern for each individual based on the placement rule held by the placement rule holding unit 82.
  • the arrangement candidate generation unit 63 generates an arrangement pattern for arranging each of the installation objects according to the type of the installation object acquired by the installation object information acquisition unit 62, and combines the generated arrangement patterns. Generates an arrangement pattern for arranging all the installation objects.
  • the arrangement candidate generation unit 63 may randomly generate an arrangement pattern, or may use the installation location information acquired by the installation location information acquisition unit 61 and the installation information acquired by the installation information acquisition unit 62 as information on the installation. Based on this, placement patterns suitable for them may be preferentially generated.
  • the placement candidate generation unit 63 determines the movement amount of the placement position of each individual, the center coordinates of the rotating circle, the toilet bowl, the washbasin, the ostomate-compatible toilet, and the position of the wall on which the hand dryer is installed according to predetermined conditions. Set randomly.
  • the placement candidate generation unit 63 calculates, as the goodness of fit of each individual, an evaluation value calculated using an evaluation standard for evaluating the quality of the placement of the toilet bowl and the installed object.
  • the evaluation criteria include consideration evaluation criteria that indicate the convenience of the user who needs consideration when using the toilet bowl or the installed object.
  • a plurality of consideration evaluation criteria may be set according to the attributes of the user. For example, as a consideration evaluation standard that expresses the convenience of a user using a wheelchair, there is sufficient space to move from the door to the vicinity of the toilet while in the wheelchair, or the wheelchair changes direction. Is there enough space to move between the wheelchair and the toilet bowl, is there a handrail within reach when moving between the wheelchair and the toilet bowl?
  • Criteria such as whether there is a toilet that can wash hands while in a wheelchair may be included. Also, as a criterion for the convenience of users with infants, is there a baby keep for keeping the infant sitting, is the baby keep within reach from the toilet bowl, and is there a diaper changing table? Criteria such as whether sufficient space is secured around the diaper changing table may be included. In addition, as a standard indicating the convenience of the user who owns the stoma, a standard such as whether there is an ostomate-compatible toilet or whether the ostomate-compatible toilet has a shower for cleaning may be included.
  • the placement candidate generation unit 63 weights each of the plurality of evaluation criteria, calculates an evaluation value, and uses it as the goodness of fit of each individual.
  • the placement candidate generation unit 63 mutates an individual of the current generation with a predetermined probability, and changes the placement pattern or the movement amount of the placement position.
  • the gene to be changed and the amount of change may be determined according to a predetermined rule or may be randomly determined.
  • the arrangement candidate generation unit 63 may change the shape and size of the installation location, and may change the type and number of installation objects. When the information regarding the installation location is determined, the arrangement candidate generation unit 63 may change the type and number of installation objects without changing the shape and size of the installation location. When the type and number of installation objects are determined, the arrangement candidate generation unit 63 may change the shape and size of the installation location without changing the type and number of installation objects.
  • the placement candidate generation unit 63 may randomly select M pairs (parents) from the individuals of the current generation and generate 2M children with a set crossover probability.
  • the placement candidate generation unit 63 selects individuals with low goodness of fit from the individuals of the current generation, and saves the remaining individuals to the next generation.
  • the placement candidate generation unit 63 preferentially stores the individual of the current generation having a high degree of conformity to the next generation.
  • the arrangement candidate generation unit 63 may store a predetermined number of individuals in the next generation in descending order of goodness of fit.
  • the placement candidate generation unit 63 may preferentially store the individuals of the current generation having a high evaluation value of the consideration evaluation criteria in the next generation.
  • the placement candidate generation unit 63 may store a predetermined number of individuals in the next generation in descending order of evaluation value for each of the plurality of consideration evaluation criteria.
  • the placement candidate generation unit 63 may select an individual to be stored in the next generation by any known method such as roulette selection.
  • the placement candidate generation unit 63 repeats the above procedure until the evolution converges.
  • the placement candidate generation unit 63 is, for example, when the number of generational changes exceeds a predetermined number, the maximum fitness in the group becomes larger than the threshold value, or the average fitness of the entire group becomes larger than the threshold value. , It may be determined that the evolution has converged when the generation in which the increase rate of the fitness of the group is equal to or less than the threshold value continues for a predetermined period.
  • the placement candidate generation unit 63 selects a predetermined number of individuals from the final generation individuals in descending order of evaluation value as placement candidates.
  • the placement candidate generation unit 63 may use an individual having a high evaluation value of the consideration evaluation criteria as a placement candidate.
  • the placement candidate generation unit 63 may use a predetermined number of individuals as placement candidates in descending order of evaluation value for each of the plurality of consideration evaluation criteria.
  • the placement candidate generation unit 63 may accept the designation of the priority criterion among the plurality of consideration evaluation criteria. In this case, the placement candidate generation unit 63 may calculate the evaluation value with a higher weight according to the designated consideration evaluation standard. The placement candidate generation unit 63 may give priority to an individual having a high evaluation value of the designated consideration evaluation criteria and store it in the next generation. The placement candidate generation unit 63 may use an individual having a high evaluation value of the designated consideration evaluation criteria as a placement candidate among the individuals of the final generation. The placement candidate generation unit 63 may automatically determine the consideration evaluation criteria to be prioritized according to the assumed user attributes. For example, in the case of a toilet installed in a facility for the elderly, the evaluation criteria for consideration for users in wheelchairs may be prioritized. In addition, in the case of a toilet installed near a toy store for infants in a commercial facility, the evaluation criteria for consideration for users who bring in accessories such as strollers and users with infants may be prioritized.
  • the placement candidate presentation unit 64 displays the placement candidates generated by the placement candidate generation unit 63 on the display device 52.
  • FIG. 4 shows an example of a display screen presented by the arrangement candidate presentation unit 64.
  • the placement candidate presentation unit 64 displays the placement candidates on the display device 52, and presents the evaluation values of the plurality of consideration evaluation criteria calculated for the placement candidates to be presented. As a result, the toilet installer can appropriately select a toilet that gives due consideration to the expected users.
  • the image generation unit 65 is installed by generating three-dimensional shape data of the installation location where the toilet bowl and the installation object are arranged according to the arrangement candidate generated by the arrangement candidate generation unit 63, and rendering the generated three-dimensional shape data. Generate an image of the location.
  • the image generation unit 65 reads out the three-dimensional shape data of the space inside the installation location and the three-dimensional shape data of the installation object from the three-dimensional shape data holding unit 83, and generates the three-dimensional shape data of the placement candidate.
  • the image display unit 66 displays the image generated by the image generation unit 65 on the display device 52.
  • the image generation unit 65 makes it possible to change the viewpoint position and the line-of-sight direction in the rendered image of the installation location.
  • the image generation unit 65 sets the viewpoint position at the position of the assumed user's eye height, and generates an image of the installation location as seen by the user.
  • the image generation unit 65 sets the viewpoint position at a typical eye-level position of, for example, an adult male, an adult female, a child, or a person in a wheelchair.
  • the image generation unit 65 generates an image by changing the viewpoint position inside the installation location according to an instruction input to the input device 53 or automatically. This makes it possible to simulate the movement of the user when actually using the toilet room and verify the quality of the arrangement.
  • FIG. 5A shows an example of an image generated by setting the viewpoint position at the eye level position of an adult male.
  • FIG. 5B shows an example of an image when an adult male enters the toilet room and approaches the toilet bowl.
  • FIG. 5C shows an example of an image generated by setting the viewpoint position at the eye level position of the user in a wheelchair.
  • FIG. 5D shows an example of an image when a movable installation object such as a universal seat is moved. This makes it possible to verify the quality of the arrangement in consideration of the state when the movable installation object is moved.
  • the image generation unit 65 generates a moving image seen by the user or an image showing the flow line of the user from the time when the assumed user enters the installation place to the time when the user leaves the room using the toilet bowl or the installation object. ..
  • the image generation unit 65 has a flow line in which the assumed user moves from the door to the toilet bowl or the installation object, a flow line in which the toilet bowl or the installation object moves to another installation object, and a flow line in which the user moves to the door to leave the room.
  • a line is generated, and a moving image is generated while moving the viewpoint position along the generated flow line.
  • FIG. 6 shows an image showing a flow line from when a user in a wheelchair enters the toilet room to when the user leaves the toilet room. This makes it possible to simulate the movement of a user who needs consideration when actually using the toilet room and verify the quality of the arrangement.
  • the image generation unit 65 generates an image showing the presence or absence or degree of interference between the assumed user or an accessory and the toilet bowl or the installed object.
  • the image generation unit 65 uses the three-dimensional shape data of the toilet bowl and the installed object held in the three-dimensional shape data holding unit 83 and the three-dimensional shape data of the assumed user or ancillary to determine the presence or absence of interference. Calculate the degree.
  • the image generation unit 65 may calculate the interference using the three-dimensional shape data of the boundary box, or may calculate the interference using the detailed three-dimensional shape data.
  • the image generation unit 65 moves the three-dimensional shape data of the user and the accessory along the flow line when the user uses the toilet room, and calculates the presence / absence or degree of interference with the toilet bowl or the installation object.
  • FIG. 7 shows an image showing interference between a user in a wheelchair and a toilet bowl or an installed object.
  • the image generation unit 65 displays the toilet bowl or the installation object that interferes with the user in a manner different from that of the toilet bowl or the installation object that does not interfere with the user.
  • the image generation unit 65 may display the toilet bowl or the installation object in different modes depending on the degree of interference. This makes it possible to verify the quality of the arrangement in consideration of the interference with the toilet bowl or the installed object when the user who needs consideration actually uses the toilet room.
  • the arrangement editing unit 67 edits the installation position of the toilet bowl or the installation object on the image generated by the image generation unit 65.
  • the arrangement editing unit 67 receives an editing instruction such as an installation position, type, and size of the toilet bowl or installation object from the input device 53, and changes the installation position, type, size, etc. of the toilet bowl or installation object as instructed. This makes it possible to easily edit a more careful arrangement based on the arrangement candidates generated by the arrangement candidate generation unit 63.
  • the data output unit 68 outputs the data of the installation location where the toilet bowl and the installation object are installed.
  • the data output unit 68 is a drawing such as a plan view and an elevation view of the installation location, two-dimensional CAD data, three-dimensional CAD data, and BIM (BIM) based on the coordinates of the installed toilet and the installed object and the three-dimensional shape data. Building Information Modeling) Generates and outputs data, BOM, etc.
  • the data of the toilet room in which the toilet bowl and the installation object are automatically arranged can be utilized in the design, so that the efficiency of the design of the toilet room can be improved.
  • the design support device of the embodiment includes not only toilet rooms such as facilities where a specific number of users or unspecified users are expected, but also general residential toilets and public toilets installed in parks and streets. It can also be applied when designing.
  • This disclosure can be used as a design support device for supporting the design of the installation location where the toilet bowl is installed.
  • Multi-function toilet 30 Toilet room, 50 Design support device, 61 Installation location information acquisition unit, 62 Installation information acquisition unit, 63 Arrangement candidate generation unit, 64 Arrangement candidate presentation unit, 65 Image generation unit, 66 Image display unit, 67 Arrangement editing department, 81 Installation information database, 82 Arrangement rule holding unit, 83 Three-dimensional shape data holding unit.

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Abstract

This design assistance device 50 is provided with an installation information acquisition unit which acquires information relating to a toilet bowl installation location, or information relating to installation items to be installed together with a toilet bowl in the installation location, an arrangement candidate generating unit 63 which, on the basis of the information acquired by the installation information acquisition unit, generates candidate arrangements of the toilet bowl and the installation items to be installed in the installation location, and an arrangement candidate presenting unit 64 which presents the arrangement candidates generated by the arrangement candidate generating unit 63. This arrangement candidate generating unit 63 generates arrangement candidates by means of an evolutionary algorithm which, as the fitness, uses an evaluation value calculated using evaluation criteria that are for evaluating a good or bad arrangement of the toilet bowl and the installation items. The evaluation criteria include criteria representing the convenience for intended users who will use the toilet bowl or installation items.

Description

設計支援装置、設計支援プログラム、及び設計支援方法Design support equipment, design support programs, and design support methods
　本開示は、便器が設置される設置場所の設計を支援するための設計支援装置、設計支援プログラム、及び設計支援方法に関する。 This disclosure relates to a design support device, a design support program, and a design support method for supporting the design of the installation place where the toilet bowl is installed.
　便器だけでなく、手すり、おむつ交換台、オストメイト対応トイレなど、特別な配慮を要する使用者のための様々な機器、器具、装置などの設置物が設置されたトイレが普及している。とくに、特定多数又は不特定の使用者が想定される施設などにおいては、様々な属性の使用者に対する配慮が必要とされるので、多数の設置物が設置された多機能トイレが設けられることが多い（例えば、特許文献１参照）。 Not only toilet bowls, but also toilets equipped with various equipment, appliances, equipment, etc. for users who require special consideration, such as handrails, diaper changing tables, and ostomate-compatible toilets, are becoming widespread. In particular, in facilities where a specific number of users or unspecified users are expected, consideration for users with various attributes is required, so multi-functional toilets with a large number of installations may be installed. Many (see, for example, Patent Document 1).
　多機能トイレにおける便器と設置物の配置を施主などが検討するとき、便器や設置物などのカタログに掲載された配置案や、個々の施設の特徴に応じて設計された配置の候補などが参考として提示される。また、必要に応じて、実物大又は縮小されたモックアップが作成され、設置場所における動作などが検証される。 When the owner or the like considers the layout of toilet bowls and installations in a multi-functional toilet, the layout proposals published in the catalog of toilet bowls and installations and the layout candidates designed according to the characteristics of each facility are helpful. Presented as. In addition, a full-scale or reduced mockup is created as needed, and the operation at the installation site is verified.
特開２００５－７１２０７号公報Japanese Unexamined Patent Publication No. 2005-71207
　しかし、カタログに掲載された配置案や、個別に設計される配置の候補は、数に限りがある。また、モックアップを作成して動作を検証可能な配置の候補の数は、更に限られる。便器の使用者や設置者の利便性を更に向上させるために、必要とされる配慮が行き届いた便器及び設置物の配置を生成する技術が求められる。 However, the number of placement plans published in the catalog and the placement candidates designed individually is limited. In addition, the number of placement candidates for which mockups can be created and operation can be verified is further limited. In order to further improve the convenience of the user and the installer of the toilet bowl, a technique for generating the arrangement of the toilet bowl and the installation object with the necessary consideration is required.
　本開示は、このような課題に鑑みてなされ、その目的は、便器が設置される設置場所の設計をより適切に支援する技術を提供することにある。 The present disclosure is made in view of such problems, and the purpose is to provide a technique for more appropriately supporting the design of the installation place where the toilet bowl is installed.
　上記課題を解決するために、本開示のある態様の設計支援装置は、便器の設置場所に関する情報、又は設置場所に便器とともに設置される設置物に関する情報を取得する設置情報取得部と、設置情報取得部により取得された情報に基づいて、設置場所に設置される便器及び設置物の配置の候補を生成する配置候補生成部と、配置候補生成部により生成された配置の候補を提示する提示部と、を備える。配置候補生成部は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補を生成し、評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む。 In order to solve the above problems, the design support device of a certain aspect of the present disclosure includes an installation information acquisition unit that acquires information on the installation location of the toilet bowl or information on the installation object installed together with the toilet bowl at the installation location, and installation information. Based on the information acquired by the acquisition unit, the placement candidate generation unit that generates the placement candidates for the toilet bowl and the installation object to be installed at the installation location, and the presentation unit that presents the placement candidates generated by the placement candidate generation unit. And prepare. The placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the placement quality of the toilet bowl and the installed object as the fitness, and the evaluation criteria are assumed. Includes criteria for convenience when the user is using the toilet bowl or installation.
　本開示の別の態様の設計支援プログラムは、コンピュータを、便器の設置場所に関する情報、又は設置場所に便器とともに設置される設置物に関する情報を取得する設置情報取得部と、設置情報取得部により取得された情報に基づいて、設置場所に設置される便器及び設置物の配置の候補を生成する配置候補生成部と、配置候補生成部により生成された配置の候補を提示する提示部と、として機能させ、配置候補生成部は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補を生成し、評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む。 In another aspect of the design support program of the present disclosure, the computer is acquired by the installation information acquisition unit and the installation information acquisition unit that acquire information on the installation location of the toilet bowl or the installation object installed together with the toilet bowl at the installation location. It functions as a placement candidate generation unit that generates placement candidates for toilet bowls and installation objects installed at the installation location based on the information provided, and a presentation unit that presents placement candidates generated by the placement candidate generation unit. The placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation standard for evaluating the quality of the placement of the toilet bowl and the installation object as the fitness, and the evaluation standard is , Includes criteria for convenience when the intended user uses the toilet bowl or installation.
　本開示のさらに別の態様の設計支援方法は、コンピュータに、便器の設置場所に関する情報、又は設置場所に便器とともに設置される設置物に関する情報を取得するステップと、取得された情報に基づいて、設置場所に設置される便器及び設置物の配置の候補を生成するステップと、生成された配置の候補を提示するステップと、を実行させ、生成するステップにおいて、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補が生成され、評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む。 Yet another aspect of the design support method of the present disclosure is based on the step of acquiring information on the installation location of the toilet bowl or the installation object installed together with the toilet bowl on the computer, and the acquired information. In the step of generating a candidate for the arrangement of the toilet bowl and the installation object to be installed at the installation location and the step of presenting the generated candidate for the arrangement, and generating the step, the quality of the arrangement of the toilet bowl and the installation object is determined. Placement candidates are generated by an evolutionary algorithm that uses the evaluation value calculated using the evaluation criteria for evaluation as the fitness, and the evaluation criteria are convenient for the assumed user to use the toilet bowl or installation. Includes gender criteria.
　なお、以上の構成要素の任意の組合せ、本開示の表現を方法、装置、システム、記録媒体、コンピュータプログラムなどの間で変換したものもまた、本開示の態様として有効である。 It should be noted that any combination of the above components and the conversion of the expression of the present disclosure between methods, devices, systems, recording media, computer programs, etc. are also effective as aspects of the present disclosure.
図１（ａ）（ｂ）は、実施の形態に係る設計支援装置により設計される便器の設置場所の例を示す図である。1 (a) and 1 (b) are diagrams showing an example of an installation location of a toilet bowl designed by the design support device according to the embodiment. 実施の形態に係る設計支援装置の構成を示す図である。It is a figure which shows the structure of the design support apparatus which concerns on embodiment. 配置パターンの例を示す図である。It is a figure which shows the example of the arrangement pattern. 配置候補提示部により提示される表示画面の例を示す図である。It is a figure which shows the example of the display screen presented by the arrangement candidate presentation part. 図５（ａ）（ｂ）（ｃ）（ｄ）は、画像生成部６５により生成された画像の例を示す図である。5 (a), (b), (c), and (d) are diagrams showing an example of an image generated by the image generation unit 65. 車椅子に乗車している使用者がトイレ室に入室してから退室するまでの動線を表す画像を示す図である。It is a figure which shows the image which shows the flow line from the user who is in a wheelchair from entering the toilet room to leaving the room. 車椅子に乗車している使用者と便器又は設置物との干渉を表す画像を示す図である。It is a figure which shows the image which shows the interference between the user who is in a wheelchair and a toilet bowl or an installation object.
　本開示の実施の形態として、便器の設置場所における最適な便器及び設置物の配置の候補を自動的に生成する技術について説明する。実施の形態に係る設計支援装置は、設置場所における便器と設置物の配置の選択肢の中から、想定される使用者に必要とされる配慮が行き届いた配置の候補を生成する。設置場所における便器と設置物の配置の選択肢は膨大に存在しうるので、本実施の形態の設計支援装置は、配慮事項によって重み付けをした評価に基づいて配置の候補の近似解を求める。このような近似解の探索に適したアルゴリズムの一つに、進化的アルゴリズムがある。本実施の形態の設計支援装置は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムを使用する。評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む。これにより、想定される使用者の利便性が高い配置の候補を優先的に保存しながら配置を進化させて、最適な配置の候補の近似解を効率良く探索することができる。 As an embodiment of the present disclosure, a technique for automatically generating candidates for the optimum arrangement of toilet bowls and installation objects at the installation location of toilet bowls will be described. The design support device according to the embodiment generates a candidate for the careful arrangement required by the expected user from the options for the arrangement of the toilet bowl and the installation object at the installation location. Since there can be a huge number of options for arranging toilet bowls and installation objects at the installation location, the design support device of the present embodiment obtains an approximate solution of the arrangement candidates based on the evaluation weighted by the considerations. One of the algorithms suitable for searching for such an approximate solution is an evolutionary algorithm. The design support device of the present embodiment uses an evolutionary algorithm whose fitness is an evaluation value calculated using an evaluation standard for evaluating the quality of the arrangement of the toilet bowl and the installation object. Evaluation criteria include criteria that represent the convenience of the intended user when using the toilet bowl or installation. As a result, it is possible to efficiently search for an approximate solution of the optimum placement candidate by evolving the placement while preferentially storing the possible placement candidates that are highly convenient for the user.
　図１（ａ）（ｂ）は、実施の形態に係る設計支援装置により設計される便器の設置場所の例を示す。図１（ａ）は、多機能トイレの例を示す。多機能トイレ１０には、大便器１２に加えて、手すり１３、洗面器１４、紙巻器１５、ベビーキープ１６、ユニバーサルシート１７、オストメイト対応トイレ１８などの設置物が設置される。大便器１２は、車椅子に乗車した使用者が車椅子を方向転換する際の取り回しを良くするために、扉１１から離れた壁に沿って設置されるのが好ましい。乳幼児を座らせておくためのベビーキープは、大便器１２で用を足している使用者が乳幼児を注視することができるように、大便器１２の前面に設置されるのが好ましい。車椅子を使用している使用者が車椅子に乗車したまま容易に方向転換することができるように、多機能トイレ１０には、一般的な車椅子の回転円１９以上の空間が確保されるのが好ましい。このように、多機能トイレ１０に便器と設置物を配置する際には、想定される使用者の属性に応じた様々な配慮が必要となる。 FIGS. 1 (a) and 1 (b) show an example of an installation location of a toilet bowl designed by the design support device according to the embodiment. FIG. 1A shows an example of a multi-functional toilet. In the multi-functional toilet 10, in addition to the toilet bowl 12, installation items such as a handrail 13, a washbasin 14, a paper roll, a baby keep 16, a universal sheet 17, and an ostomate-compatible toilet 18 are installed. The toilet bowl 12 is preferably installed along the wall away from the door 11 in order to improve the maneuverability when the user in the wheelchair turns the wheelchair. The baby keep for keeping the baby sitting is preferably installed in front of the toilet bowl 12 so that the user who is using the toilet bowl 12 can gaze at the baby. It is preferable that a space of 19 or more rotation circles of a general wheelchair is secured in the multi-functional toilet 10 so that a user using a wheelchair can easily change direction while riding in a wheelchair. .. As described above, when arranging the toilet bowl and the installation object in the multi-functional toilet 10, various considerations are required according to the assumed attributes of the user.
　図１（ｂ）は、多機能トイレを含むトイレ室の例を示す。トイレ室３０には、大便器と手すりのみが設置された通常の個室に加えて、ベビーキープが設置された個室、おむつ交換台が設置された個室などが設けられる。通行人がトイレ室３０の内部を見えにくいようにする、トイレ室３０内において出入口から奥へ向かう人と奥から出入口へ向かう人とが行き来しやすいようにする、などのトイレ室３０に一般的に必要とされる配慮に加えて、車椅子に乗車している人、乳幼児を連れている人、ベビーカーなどの付随物を持ち込む人、オストメイトなどが利用しやすいようにするための配慮が必要となる。 FIG. 1 (b) shows an example of a toilet room including a multi-functional toilet. In the toilet room 30, in addition to a normal private room in which only a toilet bowl and a handrail are installed, a private room in which a baby keep is installed, a private room in which a diaper changing table is installed, and the like are provided. It is common in the toilet room 30 to make it difficult for passersby to see the inside of the toilet room 30, and to make it easy for people heading from the doorway to the back and people heading from the back to the doorway in the toilet room 30. In addition to the considerations required for toilets, care must be taken to make it easier for people in wheelchairs, those with infants, those who bring in accessories such as strollers, and ostomates. ..
　図２は、実施の形態に係る設計支援装置５０の構成を示す。設計支援装置５０は、通信装置５１、表示装置５２、入力装置５３、記憶装置８０、及び制御装置６０を備える。設計支援装置５０は、サーバ装置であってもよいし、パーソナルコンピュータなどの装置であってもよいし、携帯電話端末、スマートフォン、タブレット端末などの携帯端末であってもよい。 FIG. 2 shows the configuration of the design support device 50 according to the embodiment. The design support device 50 includes a communication device 51, a display device 52, an input device 53, a storage device 80, and a control device 60. The design support device 50 may be a server device, a device such as a personal computer, or a mobile terminal such as a mobile phone terminal, a smartphone, or a tablet terminal.
　通信装置５１は、他の装置との間の通信を制御する。通信装置５１は、有線又は無線の任意の通信方式により通信を行ってもよい。表示装置５２は、制御装置６０により生成される画面を表示する。表示装置５２は、液晶表示装置、有機ＥＬ表示装置などであってもよい。入力装置５３は、設計支援装置５０の使用者による指示入力を制御装置６０に伝達する。入力装置５３は、マウス、キーボード、タッチパッドなどであってもよい。表示装置５２及び入力装置５３は、タッチパネルとして実装されてもよい。 The communication device 51 controls communication with other devices. The communication device 51 may perform communication by any wired or wireless communication method. The display device 52 displays a screen generated by the control device 60. The display device 52 may be a liquid crystal display device, an organic EL display device, or the like. The input device 53 transmits an instruction input by the user of the design support device 50 to the control device 60. The input device 53 may be a mouse, a keyboard, a touch pad, or the like. The display device 52 and the input device 53 may be mounted as a touch panel.
　記憶装置８０は、制御装置６０により使用されるプログラム、データなどを記憶する。記憶装置８０は、半導体メモリ、ハードディスクなどであってもよい。記憶装置８０には、設置物情報データベース８１、配置規則保持部８２、及び三次元形状データ保持部８３が格納される。 The storage device 80 stores programs, data, etc. used by the control device 60. The storage device 80 may be a semiconductor memory, a hard disk, or the like. The storage device 80 stores an installation information database 81, an arrangement rule holding unit 82, and a three-dimensional shape data holding unit 83.
　設置物情報データベース８１は、トイレ室に設置可能な設置物に関する情報を格納する。設置物情報データベース８１は、設置物の種類、名称、型番、色、寸法、重量、価格、施工条件、配置制約、想定される使用者の属性などに応じた設置の要否、配慮事項などの情報を格納する。設置条件は、設置物を施工するために必要な空間などの条件を含む。配置制約は、設置物の前後、上下、左右などに必要なクリアランスや、他の設置物との位置関係などの制約を含む。配慮事項は、想定される使用者がトイレ室を使用する際に必要とされる配慮事項を含む。 The installation information database 81 stores information on installations that can be installed in the toilet room. The installation information database 81 includes the type, name, model number, color, dimensions, weight, price, construction conditions, placement restrictions, installation necessity, considerations, etc. according to the assumed user attributes, etc. Store information. The installation conditions include conditions such as the space required for constructing the installation object. Arrangement restrictions include restrictions such as clearance required before and after, up and down, left and right of the installed object, and positional relationship with other installed objects. The considerations include the considerations required when the intended user uses the toilet room.
　配置規則保持部８２は、トイレ室の形状及び大きさと、トイレ室に設置される設置物の種類及び数に応じて、トイレ室に便器と設置物を配置するための配置パターンを生成するための配置規則を複数保持する。配置パターンは、設置物の施工条件、配置制約、配慮事項などの配置規則にしたがって生成される。配置規則は、必ず充足する必要がある規則と、充足しなくてもよいが優先される規則を含んでもよい。複数の規則に優先順位が割り当てられ、優先順位の高い規則が充足された配置パターンが優先的に生成されてもよい。それぞれの配置パターンには、異なる整数が識別情報として割り当てられる。 The arrangement rule holding unit 82 is for generating an arrangement pattern for arranging the toilet bowl and the installation object in the toilet room according to the shape and size of the toilet room and the type and number of the installation objects installed in the toilet room. Hold multiple placement rules. The placement pattern is generated according to the placement rules such as construction conditions, placement restrictions, and considerations for the installation. The placement rule may include a rule that must be satisfied and a rule that does not have to be satisfied but takes precedence. Priority may be assigned to a plurality of rules, and an arrangement pattern satisfying the high-priority rule may be preferentially generated. Different integers are assigned as identification information to each arrangement pattern.
　図３は、配置パターンの例を示す。設置物の種類ごとに、設置場所に便器とその設置物を配置する複数の配置パターンを生成するための規則が配置規則保持部８２に保持される。まず、大便器を設置するための４種類の配置規則にしたがって４種類の配置パターンが生成され、つづいて、それぞれの設置物を設置するための配置規則にしたがって４種類の配置パターンのそれぞれに設置物が配置される。 FIG. 3 shows an example of an arrangement pattern. For each type of installation, a rule for generating a plurality of arrangement patterns for arranging the toilet bowl and the installation at the installation location is held in the arrangement rule holding unit 82. First, four types of placement patterns are generated according to the four types of placement rules for installing the toilet bowl, and then, four types of placement patterns are installed according to the placement rules for installing each installation object. Things are placed.
　三次元形状データ保持部８３は、トイレ室の内部の空間の三次元形状データと、トイレ室に設置可能な設置物のそれぞれの三次元形状データを保持する。設置物が開閉、伸縮、回動などの動作が可能である場合、三次元形状データ保持部８３は、可動な設置物が動作したときの三次元形状データを更に保持する。設置物の三次元形状データは、生成された配置の候補における使用者の動作や可動な設置物の動作などをシミュレーションするために使用される。三次元形状データ保持部８３は、設置物の配置の候補を生成する際の計算のために、設置物を包絡する直方体（バウンディングボックス）の二次元又は三次元形状データを保持してもよい。これにより、計算負荷を低減させることができる。 The three-dimensional shape data holding unit 83 holds the three-dimensional shape data of the space inside the toilet room and the three-dimensional shape data of each of the installation objects that can be installed in the toilet room. When the installation object can be opened / closed, expanded / contracted, rotated, and the like, the three-dimensional shape data holding unit 83 further holds the three-dimensional shape data when the movable installation object is operated. The three-dimensional shape data of the installation object is used to simulate the movement of the user in the generated arrangement candidate, the movement of the movable installation object, and the like. The three-dimensional shape data holding unit 83 may hold two-dimensional or three-dimensional shape data of a rectangular parallelepiped (bounding box) surrounding the installed object for calculation when generating a candidate for the arrangement of the installed object. As a result, the calculation load can be reduced.
　制御装置６０は、設置場所情報取得部６１、設置物情報取得部６２、配置候補生成部６３、配置候補提示部６４、画像生成部６５、画像表示部６６、配置編集部６７、及びデータ出力部６８を備える。これらの構成は、ハードウエア的には、任意のコンピュータのＣＰＵ、メモリ、その他のＬＳＩなどにより実現され、ソフトウエア的にはメモリにロードされたプログラムなどによって実現されるが、ここではそれらの連携によって実現される機能ブロックを描いている。したがって、これらの機能ブロックがハードウエアのみ、またはハードウエアとソフトウエアの組合せなど、いろいろな形で実現できることは、当業者には理解されるところである。 The control device 60 includes an installation location information acquisition unit 61, an installation object information acquisition unit 62, an arrangement candidate generation unit 63, an arrangement candidate presentation unit 64, an image generation unit 65, an image display unit 66, an arrangement editing unit 67, and a data output unit. 68 is provided. These configurations are realized by the CPU, memory, and other LSIs of any computer in terms of hardware, and are realized by programs loaded in memory in terms of software. It depicts a functional block realized by. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms such as hardware alone or a combination of hardware and software.
　設置場所情報取得部６１は、便器が設置される設置場所に関する情報を取得する。設置場所情報取得部６１は、設置場所の形状、寸法、扉の位置、形状、寸法などの情報を取得する。設置場所情報取得部６１は、設置場所の２次元ＣＡＤデータ又は３次元ＣＡＤデータなどの設計データを取得してもよい。 The installation location information acquisition unit 61 acquires information on the installation location where the toilet bowl is installed. The installation location information acquisition unit 61 acquires information such as the shape, dimensions, door position, shape, and dimensions of the installation location. The installation location information acquisition unit 61 may acquire design data such as two-dimensional CAD data or three-dimensional CAD data of the installation location.
　設置物情報取得部６２は、設置場所に便器とともに設置される設置物に関する情報を取得する。設置物情報取得部６２は、設置場所に設置される設置物の種類、数、形状、寸法、重量などの情報を取得する。 The installation object information acquisition unit 62 acquires information on the installation object to be installed together with the toilet bowl at the installation location. The installation object information acquisition unit 62 acquires information such as the type, number, shape, dimensions, and weight of the installation object to be installed at the installation location.
　配置候補生成部６３は、設置場所情報取得部６１により取得された情報及び設置物情報取得部６２により取得された情報に基づいて、設置場所に設置される便器及び設置物の配置の候補を生成する。配置候補生成部６３は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補を生成する。 The arrangement candidate generation unit 63 generates candidates for the arrangement of the toilet bowl and the installation object to be installed at the installation location based on the information acquired by the installation location information acquisition unit 61 and the information acquired by the installation object information acquisition unit 62. do. The placement candidate generation unit 63 generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the quality of the placement of the toilet bowl and the installed object as the fitness.
　進化的アルゴリズムとして、遺伝的アルゴリズム、遺伝的プログラミング、進化的プログラミング、進化戦略など、既知の任意のアルゴリズムが使用されてもよい。以下、遺伝的アルゴリズムにより配置の候補を生成する例について説明する。遺伝的アルゴリズムに関する既知の技術の詳細については、適宜説明を省略する。 As the evolutionary algorithm, any known algorithm such as genetic algorithm, genetic programming, evolutionary programming, evolutionary strategy, etc. may be used. Hereinafter, an example of generating placement candidates by a genetic algorithm will be described. Details of known techniques for genetic algorithms will be omitted as appropriate.
　配置候補生成部６３は、まず、所定個の個体からなる初期集団を発生させる。各個体の染色体は、配置パターンの種類、及び配置パターンにおける便器及び設置物の配置位置の移動量を含む。染色体は、車椅子の回転円の中心座標を含んでもよい。各個体の遺伝子のそれぞれは、０～ｎの整数で表現される。すなわち、配置位置の移動量は、単位移動量の整数倍とされ、回転円の中心座標は、単位ベクトルの整数倍とされる。これにより、計算負荷を低減することができるので、最適な配置の候補を短時間で精度良く探索することができる。 The placement candidate generation unit 63 first generates an initial group consisting of a predetermined number of individuals. The chromosome of each individual contains the type of placement pattern and the amount of movement of the placement position of the toilet bowl and installation in the placement pattern. The chromosome may include the center coordinates of the wheelchair's circle of rotation. Each of the genes of each individual is represented by an integer from 0 to n. That is, the amount of movement of the arrangement position is an integral multiple of the unit movement amount, and the center coordinates of the rotating circle are an integral multiple of the unit vector. As a result, the calculation load can be reduced, so that the optimum placement candidate can be searched for accurately in a short time.
　配置候補生成部６３は、配置規則保持部８２に保持された配置規則に基づいて各個体の配置パターンを生成する。配置候補生成部６３は、設置物情報取得部６２により取得された設置物の種類に応じて、それらの設置物のそれぞれを配置するための配置パターンを生成し、生成された配置パターンを組み合わせることにより全ての設置物を配置するための配置パターンを生成する。配置候補生成部６３は、配置パターンをランダムに生成してもよいし、設置場所情報取得部６１により取得された設置場所の情報と、設置物情報取得部６２により取得された設置物の情報に基づいて、それらに適合した配置パターンを優先的に生成してもよい。配置候補生成部６３は、各個体の配置位置の移動量、回転円の中心座標、大便器、洗面器、オストメイト対応トイレ、及びハンドドライヤーが設置される壁の位置を所定の条件にしたがって、又はランダムに設定する。 The placement candidate generation unit 63 generates a placement pattern for each individual based on the placement rule held by the placement rule holding unit 82. The arrangement candidate generation unit 63 generates an arrangement pattern for arranging each of the installation objects according to the type of the installation object acquired by the installation object information acquisition unit 62, and combines the generated arrangement patterns. Generates an arrangement pattern for arranging all the installation objects. The arrangement candidate generation unit 63 may randomly generate an arrangement pattern, or may use the installation location information acquired by the installation location information acquisition unit 61 and the installation information acquired by the installation information acquisition unit 62 as information on the installation. Based on this, placement patterns suitable for them may be preferentially generated. The placement candidate generation unit 63 determines the movement amount of the placement position of each individual, the center coordinates of the rotating circle, the toilet bowl, the washbasin, the ostomate-compatible toilet, and the position of the wall on which the hand dryer is installed according to predetermined conditions. Set randomly.
　配置候補生成部６３は、各個体の適合度として、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を算出する。評価基準は、配慮を必要とする使用者が便器又は設置物を使用する際の利便性を表す配慮事項評価基準を含む。配慮事項評価基準は、使用者の属性に応じて複数設定されてもよい。例えば、車椅子を使用している使用者の利便性を表す配慮事項評価基準として、車椅子に乗車したまま扉から便器付近まで移動するための空間が十分に確保されているか、車椅子が方向転換するための空間が十分に確保されているか、車椅子と便器との間で移動するための空間が十分に確保されているか、車椅子と便器との間で移動する際に手が届く範囲に手すりが有るか、車椅子に乗車したまま手を洗うことが可能な洗面器が有るか、などの基準が含まれてもよい。また、乳幼児を連れている使用者の利便性を表す基準として、乳幼児を座らせておくためのベビーキープが有るか、ベビーキープが便器から手が届く範囲に有るか、おむつ交換台があるか、おむつ交換台の周囲に十分な空間が確保されているか、などの基準が含まれてもよい。また、ストーマを保有している使用者の利便性を表す基準として、オストメイト対応トイレが有るか、オストメイト対応トイレに洗浄用のシャワーが有るか、などの基準が含まれてもよい。また、ベビーカーやキャリーバッグなどの付随物を持ち込む使用者の利便性を表す基準として、付随物を置いておくための十分な空間が確保されているか、付随物を持ち込むための動線が確保されているか、などの基準が含まれてもよい。評価基準は、更に、便器及び設置物の間の干渉の有無又は程度、便器及び設置物を施工、保守、又は清掃する際の作業効率などを含んでもよい。配置候補生成部６３は、複数の評価基準のそれぞれに重みを付けて評価値を算出し、各個体の適合度とする。 The placement candidate generation unit 63 calculates, as the goodness of fit of each individual, an evaluation value calculated using an evaluation standard for evaluating the quality of the placement of the toilet bowl and the installed object. The evaluation criteria include consideration evaluation criteria that indicate the convenience of the user who needs consideration when using the toilet bowl or the installed object. A plurality of consideration evaluation criteria may be set according to the attributes of the user. For example, as a consideration evaluation standard that expresses the convenience of a user using a wheelchair, there is sufficient space to move from the door to the vicinity of the toilet while in the wheelchair, or the wheelchair changes direction. Is there enough space to move between the wheelchair and the toilet bowl, is there a handrail within reach when moving between the wheelchair and the toilet bowl? Criteria such as whether there is a toilet that can wash hands while in a wheelchair may be included. Also, as a criterion for the convenience of users with infants, is there a baby keep for keeping the infant sitting, is the baby keep within reach from the toilet bowl, and is there a diaper changing table? Criteria such as whether sufficient space is secured around the diaper changing table may be included. In addition, as a standard indicating the convenience of the user who owns the stoma, a standard such as whether there is an ostomate-compatible toilet or whether the ostomate-compatible toilet has a shower for cleaning may be included. In addition, as a standard for the convenience of users who bring in accessories such as strollers and carry bags, sufficient space is secured for storing the accessories, or a flow line for bringing in the accessories is secured. Criteria such as whether or not it may be included. The evaluation criteria may further include the presence or absence or degree of interference between the toilet bowl and the installation, work efficiency when constructing, maintaining, or cleaning the toilet bowl and the installation. The placement candidate generation unit 63 weights each of the plurality of evaluation criteria, calculates an evaluation value, and uses it as the goodness of fit of each individual.
　配置候補生成部６３は、所定の確率で現世代の個体を突然変異させ、配置パターン又は配置位置の移動量を変更する。変更する遺伝子や変更量は、所定の規則にしたがって決定されてもよいし、ランダムに決定されてもよい。配置候補生成部６３は、設置場所の形状や大きさなどを変更してもよいし、設置物の種類や数などを変更してもよい。設置場所に関する情報が決まっている場合は、配置候補生成部６３は、設置場所の形状や大きさなどを変更せずに、設置物の種類や数などを変更してもよい。設置物の種類や数が決まっている場合は、配置候補生成部６３は、設置物の種類や数などを変更せずに、設置場所の形状や大きさなどを変更してもよい。配置候補生成部６３は、現世代の個体からランダムにＭ個の組（親）を選択し、設定された交叉確率で２Ｍ個の子を生成してもよい。 The placement candidate generation unit 63 mutates an individual of the current generation with a predetermined probability, and changes the placement pattern or the movement amount of the placement position. The gene to be changed and the amount of change may be determined according to a predetermined rule or may be randomly determined. The arrangement candidate generation unit 63 may change the shape and size of the installation location, and may change the type and number of installation objects. When the information regarding the installation location is determined, the arrangement candidate generation unit 63 may change the type and number of installation objects without changing the shape and size of the installation location. When the type and number of installation objects are determined, the arrangement candidate generation unit 63 may change the shape and size of the installation location without changing the type and number of installation objects. The placement candidate generation unit 63 may randomly select M pairs (parents) from the individuals of the current generation and generate 2M children with a set crossover probability.
　配置候補生成部６３は、現世代の個体から適合度の低い個体を淘汰し、残った個体を次世代に保存する。配置候補生成部６３は、適合度の高い現世代の個体を優先的に次世代に保存する。配置候補生成部６３は、適合度の高い順に所定数の個体を次世代に保存してもよい。配置候補生成部６３は、配慮事項評価基準の評価値が高い現世代の個体を優先的に次世代に保存してもよい。配置候補生成部６３は、複数の配慮事項評価基準のそれぞれについて、評価値が高い順に所定数の個体を次世代に保存してもよい。配置候補生成部６３は、ルーレット選択など、既知の任意の方法で次世代に保存する個体を選択してもよい。 The placement candidate generation unit 63 selects individuals with low goodness of fit from the individuals of the current generation, and saves the remaining individuals to the next generation. The placement candidate generation unit 63 preferentially stores the individual of the current generation having a high degree of conformity to the next generation. The arrangement candidate generation unit 63 may store a predetermined number of individuals in the next generation in descending order of goodness of fit. The placement candidate generation unit 63 may preferentially store the individuals of the current generation having a high evaluation value of the consideration evaluation criteria in the next generation. The placement candidate generation unit 63 may store a predetermined number of individuals in the next generation in descending order of evaluation value for each of the plurality of consideration evaluation criteria. The placement candidate generation unit 63 may select an individual to be stored in the next generation by any known method such as roulette selection.
　配置候補生成部６３は、進化が収束するまで以上の手順を繰り返す。配置候補生成部６３は、例えば、世代交代の回数が所定の回数を超えた場合、集団中の最大の適合度が閾値より大きくなった場合、集団全体の平均適合度が閾値より大きくなった場合、集団の適合度の増加率が閾値以下である世代が所定期間続いた場合などに、進化が収束したと判定してもよい。 The placement candidate generation unit 63 repeats the above procedure until the evolution converges. The placement candidate generation unit 63 is, for example, when the number of generational changes exceeds a predetermined number, the maximum fitness in the group becomes larger than the threshold value, or the average fitness of the entire group becomes larger than the threshold value. , It may be determined that the evolution has converged when the generation in which the increase rate of the fitness of the group is equal to or less than the threshold value continues for a predetermined period.
　配置候補生成部６３は、最終世代の個体のうち、評価値の高い順に所定数の個体を配置の候補とする。配置候補生成部６３は、配慮事項評価基準の評価値が高い個体を配置の候補としてもよい。配置候補生成部６３は、複数の配慮事項評価基準のそれぞれについて、評価値が高い順に所定数の個体を配置の候補としてもよい。 The placement candidate generation unit 63 selects a predetermined number of individuals from the final generation individuals in descending order of evaluation value as placement candidates. The placement candidate generation unit 63 may use an individual having a high evaluation value of the consideration evaluation criteria as a placement candidate. The placement candidate generation unit 63 may use a predetermined number of individuals as placement candidates in descending order of evaluation value for each of the plurality of consideration evaluation criteria.
　配置候補生成部６３は、複数の配慮事項評価基準のうち優先する基準の指定を受け付けてもよい。この場合、配置候補生成部６３は、指定された配慮事項評価基準により高い重みを付けて評価値を算出してもよい。配置候補生成部６３は、指定された配慮事項評価基準の評価値が高い個体を優先して次世代に保存してもよい。配置候補生成部６３は、最終世代の個体のうち、指定された配慮事項評価基準の評価値が高い個体を配置の候補としてもよい。配置候補生成部６３は、想定される使用者の属性に応じて優先すべき配慮事項評価基準を自動的に判定してもよい。例えば、高齢者施設などに設置されるトイレの場合、車椅子に乗車している使用者に対する配慮事項評価基準を優先してもよい。また、商業施設において乳幼児向けの玩具店の近傍に設置されるトイレの場合、ベビーカーなどの付随物を持ち込む使用者や、乳幼児を連れている使用者に対する配慮事項評価基準を優先してもよい。 The placement candidate generation unit 63 may accept the designation of the priority criterion among the plurality of consideration evaluation criteria. In this case, the placement candidate generation unit 63 may calculate the evaluation value with a higher weight according to the designated consideration evaluation standard. The placement candidate generation unit 63 may give priority to an individual having a high evaluation value of the designated consideration evaluation criteria and store it in the next generation. The placement candidate generation unit 63 may use an individual having a high evaluation value of the designated consideration evaluation criteria as a placement candidate among the individuals of the final generation. The placement candidate generation unit 63 may automatically determine the consideration evaluation criteria to be prioritized according to the assumed user attributes. For example, in the case of a toilet installed in a facility for the elderly, the evaluation criteria for consideration for users in wheelchairs may be prioritized. In addition, in the case of a toilet installed near a toy store for infants in a commercial facility, the evaluation criteria for consideration for users who bring in accessories such as strollers and users with infants may be prioritized.
　配置候補提示部６４は、配置候補生成部６３により生成された配置の候補を表示装置５２に表示する。図４は、配置候補提示部６４により提示される表示画面の例を示す。配置候補提示部６４は、配置の候補を表示装置５２に表示するとともに、提示する配置の候補に対して算出された複数の配慮事項評価基準のそれぞれの評価値を提示する。これにより、トイレの設置者は、想定される使用者への配慮が行き届いたトイレを適切に選択することができる。 The placement candidate presentation unit 64 displays the placement candidates generated by the placement candidate generation unit 63 on the display device 52. FIG. 4 shows an example of a display screen presented by the arrangement candidate presentation unit 64. The placement candidate presentation unit 64 displays the placement candidates on the display device 52, and presents the evaluation values of the plurality of consideration evaluation criteria calculated for the placement candidates to be presented. As a result, the toilet installer can appropriately select a toilet that gives due consideration to the expected users.
　画像生成部６５は、配置候補生成部６３により生成された配置の候補にしたがって便器及び設置物を配置した設置場所の三次元形状データを生成し、生成した三次元形状データをレンダリングすることにより設置場所の画像を生成する。画像生成部６５は、設置場所の内部の空間の三次元形状データと、設置物の三次元形状データを三次元形状データ保持部８３から読み出して、配置の候補の三次元形状データを生成する。画像表示部６６は、画像生成部６５により生成された画像を表示装置５２に表示する。 The image generation unit 65 is installed by generating three-dimensional shape data of the installation location where the toilet bowl and the installation object are arranged according to the arrangement candidate generated by the arrangement candidate generation unit 63, and rendering the generated three-dimensional shape data. Generate an image of the location. The image generation unit 65 reads out the three-dimensional shape data of the space inside the installation location and the three-dimensional shape data of the installation object from the three-dimensional shape data holding unit 83, and generates the three-dimensional shape data of the placement candidate. The image display unit 66 displays the image generated by the image generation unit 65 on the display device 52.
　画像生成部６５は、レンダリングした設置場所の画像において、視点位置及び視線方向を変更可能とする。画像生成部６５は、想定される使用者の目の高さの位置に視点位置を設定して、使用者から見た設置場所の画像を生成する。画像生成部６５は、例えば、成人男性、成人女性、子供、車椅子に乗車している人などの典型的な目の高さの位置に視点位置を設定する。画像生成部６５は、入力装置５３に入力された指示に応じて、又は自動的に、設置場所の内部で視点位置を変更して画像を生成する。これにより、使用者が実際にトイレ室を使用する際の動きをシミュレートして、配置の良否を検証することができる。 The image generation unit 65 makes it possible to change the viewpoint position and the line-of-sight direction in the rendered image of the installation location. The image generation unit 65 sets the viewpoint position at the position of the assumed user's eye height, and generates an image of the installation location as seen by the user. The image generation unit 65 sets the viewpoint position at a typical eye-level position of, for example, an adult male, an adult female, a child, or a person in a wheelchair. The image generation unit 65 generates an image by changing the viewpoint position inside the installation location according to an instruction input to the input device 53 or automatically. This makes it possible to simulate the movement of the user when actually using the toilet room and verify the quality of the arrangement.
　図５（ａ）（ｂ）（ｃ）（ｄ）は、画像生成部６５により生成された画像の例を示す。図５（ａ）は、成人男性の目の高さの位置に視点位置が設定されて生成された画像の例を示す。図５（ｂ）は、成人男性がトイレ室に入室して便器に近づいたときの画像の例を示す。図５（ｃ）は、車椅子に乗車した使用者の目の高さの位置に視点位置が設定されて生成された画像の例を示す。図５（ｄ）は、ユニバーサルシートなどの可動な設置物が動かされた場合の画像の例を示す。これにより、可動な設置物が動かされたときの状態も考慮して配置の良否を検証することができる。 5 (a), (b), (c), and (d) show an example of an image generated by the image generation unit 65. FIG. 5A shows an example of an image generated by setting the viewpoint position at the eye level position of an adult male. FIG. 5B shows an example of an image when an adult male enters the toilet room and approaches the toilet bowl. FIG. 5C shows an example of an image generated by setting the viewpoint position at the eye level position of the user in a wheelchair. FIG. 5D shows an example of an image when a movable installation object such as a universal seat is moved. This makes it possible to verify the quality of the arrangement in consideration of the state when the movable installation object is moved.
　画像生成部６５は、想定される使用者が設置場所に入室してから便器又は設置物を使用して退室するまでの使用者から見た動画像又は使用者の動線を表す画像を生成する。画像生成部６５は、想定される使用者が扉から便器又は設置物へ移動する動線と、便器又は設置物から別の設置物へ移動する動線と、退室するために扉へ移動する動線とを生成し、生成した動線に沿って視点位置を移動させながら動画像を生成する。 The image generation unit 65 generates a moving image seen by the user or an image showing the flow line of the user from the time when the assumed user enters the installation place to the time when the user leaves the room using the toilet bowl or the installation object. .. The image generation unit 65 has a flow line in which the assumed user moves from the door to the toilet bowl or the installation object, a flow line in which the toilet bowl or the installation object moves to another installation object, and a flow line in which the user moves to the door to leave the room. A line is generated, and a moving image is generated while moving the viewpoint position along the generated flow line.
　図６は、車椅子に乗車している使用者がトイレ室に入室してから退室するまでの動線を表す画像を示す。これにより、配慮を要する使用者が実際にトイレ室を使用する際の動きをシミュレートして、配置の良否を検証することができる。 FIG. 6 shows an image showing a flow line from when a user in a wheelchair enters the toilet room to when the user leaves the toilet room. This makes it possible to simulate the movement of a user who needs consideration when actually using the toilet room and verify the quality of the arrangement.
　画像生成部６５は、想定される使用者又は付随物と便器又は設置物との干渉の有無又は程度を表す画像を生成する。画像生成部６５は、三次元形状データ保持部８３に保持された便器及び設置物の三次元形状データと、想定される使用者又は付随物の三次元形状データを使用して、干渉の有無又は程度を算出する。画像生成部６５は、バウンダリーボックスの三次元形状データを用いて干渉を算出してもよいし、詳細な三次元形状データを用いて干渉を算出してもよい。画像生成部６５は、使用者がトイレ室を使用する際の動線に沿って使用者と付随物の三次元形状データを移動させ、便器又は設置物との干渉の有無又は程度を算出する。 The image generation unit 65 generates an image showing the presence or absence or degree of interference between the assumed user or an accessory and the toilet bowl or the installed object. The image generation unit 65 uses the three-dimensional shape data of the toilet bowl and the installed object held in the three-dimensional shape data holding unit 83 and the three-dimensional shape data of the assumed user or ancillary to determine the presence or absence of interference. Calculate the degree. The image generation unit 65 may calculate the interference using the three-dimensional shape data of the boundary box, or may calculate the interference using the detailed three-dimensional shape data. The image generation unit 65 moves the three-dimensional shape data of the user and the accessory along the flow line when the user uses the toilet room, and calculates the presence / absence or degree of interference with the toilet bowl or the installation object.
　図７は、車椅子に乗車している使用者と便器又は設置物との干渉を表す画像を示す。画像生成部６５は、使用者と干渉する便器又は設置物を、干渉しない便器又は設置物と異なる態様で表示する。画像生成部６５は、干渉の程度に応じて異なる態様で便器又は設置物を表示してもよい。これにより、配慮を要する使用者が実際にトイレ室を使用する際の便器又は設置物との干渉を考慮して、配置の良否を検証することができる。 FIG. 7 shows an image showing interference between a user in a wheelchair and a toilet bowl or an installed object. The image generation unit 65 displays the toilet bowl or the installation object that interferes with the user in a manner different from that of the toilet bowl or the installation object that does not interfere with the user. The image generation unit 65 may display the toilet bowl or the installation object in different modes depending on the degree of interference. This makes it possible to verify the quality of the arrangement in consideration of the interference with the toilet bowl or the installed object when the user who needs consideration actually uses the toilet room.
　配置編集部６７は、画像生成部６５により生成された画像上で便器又は設置物の設置位置を編集する。配置編集部６７は、便器又は設置物の設置位置、種類、サイズなどの編集指示を入力装置５３から受け付け、指示されたように便器又は設置物の設置位置、種類、サイズなどを変更する。これにより、配置候補生成部６３により生成された配置の候補をベースとして、より配慮の行き届いた配置を容易に編集することができる。 The arrangement editing unit 67 edits the installation position of the toilet bowl or the installation object on the image generated by the image generation unit 65. The arrangement editing unit 67 receives an editing instruction such as an installation position, type, and size of the toilet bowl or installation object from the input device 53, and changes the installation position, type, size, etc. of the toilet bowl or installation object as instructed. This makes it possible to easily edit a more careful arrangement based on the arrangement candidates generated by the arrangement candidate generation unit 63.
　データ出力部６８は、便器及び設置物が設置された設置場所のデータを出力する。データ出力部６８は、設置された便器及び設置物の座標と三次元形状データなどに基づいて、設置場所の平面図、立面図などの図面、２次元ＣＡＤデータ、３次元ＣＡＤデータ、ＢＩＭ（Building Information Modeling）データ、部品表などを生成して出力する。これにより、便器及び設置物を自動的に配置したトイレ室のデータを設計に活用することができるので、トイレ室の設計の効率を向上させることができる。 The data output unit 68 outputs the data of the installation location where the toilet bowl and the installation object are installed. The data output unit 68 is a drawing such as a plan view and an elevation view of the installation location, two-dimensional CAD data, three-dimensional CAD data, and BIM (BIM) based on the coordinates of the installed toilet and the installed object and the three-dimensional shape data. Building Information Modeling) Generates and outputs data, BOM, etc. As a result, the data of the toilet room in which the toilet bowl and the installation object are automatically arranged can be utilized in the design, so that the efficiency of the design of the toilet room can be improved.
　以上、実施の形態に基づき本発明を説明したが、実施の形態は、本発明の原理、応用を示すにすぎない。また、実施の形態には、請求の範囲に規定された本発明の思想を逸脱しない範囲において、多くの変形例や配置の変更が可能である。 Although the present invention has been described above based on the embodiment, the embodiment merely shows the principle and application of the present invention. Further, in the embodiment, many modifications and arrangements can be changed without departing from the idea of the present invention defined in the claims.
　実施の形態の設計支援装置は、特定多数又は不特定の使用者が想定される施設などのトイレ室だけでなく、一般的な住宅のトイレや、公園や路上などに設置された公衆トイレなどを設計する場合にも適用可能である。 The design support device of the embodiment includes not only toilet rooms such as facilities where a specific number of users or unspecified users are expected, but also general residential toilets and public toilets installed in parks and streets. It can also be applied when designing.
　本開示は、便器が設置される設置場所の設計を支援するための設計支援装置に利用可能である。 This disclosure can be used as a design support device for supporting the design of the installation location where the toilet bowl is installed.
　１０　多機能トイレ、３０　トイレ室、５０　設計支援装置、６１　設置場所情報取得部、６２　設置物情報取得部、６３　配置候補生成部、６４　配置候補提示部、６５　画像生成部、６６　画像表示部、６７　配置編集部、８１　設置物情報データベース、８２　配置規則保持部、８３　三次元形状データ保持部。 10 Multi-function toilet, 30 Toilet room, 50 Design support device, 61 Installation location information acquisition unit, 62 Installation information acquisition unit, 63 Arrangement candidate generation unit, 64 Arrangement candidate presentation unit, 65 Image generation unit, 66 Image display unit, 67 Arrangement editing department, 81 Installation information database, 82 Arrangement rule holding unit, 83 Three-dimensional shape data holding unit.

Claims (16)

  1. 　便器の設置場所に関する情報、又は前記設置場所に前記便器とともに設置される設置物に関する情報を取得する設置情報取得部と、
    　前記設置情報取得部により取得された情報に基づいて、前記設置場所に設置される便器及び設置物の配置の候補を生成する配置候補生成部と、
    　前記配置候補生成部により生成された配置の候補を提示する提示部と、
    を備え、
    　前記配置候補生成部は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補を生成し、
    　前記評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む
    設計支援装置。     An installation information acquisition unit that acquires information on the installation location of the toilet bowl or information on the installation object installed together with the toilet bowl at the installation location.
    An arrangement candidate generation unit that generates candidates for arrangement of toilet bowls and installation objects installed at the installation location based on the information acquired by the installation information acquisition unit.
    A presentation unit that presents an arrangement candidate generated by the arrangement candidate generation unit, and a presentation unit.
    Equipped with
    The placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the placement quality of the toilet bowl and the installed object as the fitness.
    The evaluation standard is a design support device including a standard indicating convenience when a supposed user uses a toilet bowl or an installed object.
  2. 　前記評価基準は、使用者の属性又は使用者が前記設置場所に持ち込む付随物に応じて異なる複数の基準を含む
    請求項１に記載の設計支援装置。     The design support device according to claim 1, wherein the evaluation criteria include a plurality of criteria that differ depending on the attributes of the user or the attachments that the user brings to the installation location.
  3. 　前記配置候補生成部は、前記複数の基準のうち優先する基準の指定を受け付け、指定された基準の評価値が高い個体を優先して次世代に保存する請求項２に記載の設計支援装置。 The design support device according to claim 2, wherein the placement candidate generation unit receives designation of a priority standard among the plurality of criteria, and preferentially stores an individual having a high evaluation value of the designated standard in the next generation.
  4. 　前記提示部は、提示する配置の候補に対して算出された前記複数の基準のそれぞれの評価値を提示する
    請求項２又は３に記載の設計支援装置。     The design support device according to claim 2 or 3, wherein the presentation unit presents the evaluation values of the plurality of criteria calculated for the candidate for the arrangement to be presented.
  5. 　前記進化的アルゴリズムにおいて、染色体は、前記設置場所の形状又は設置物の種類に応じて生成された複数の配置パターンの種類、及び配置パターンにおける便器及び設置物の配置位置の移動量を含む請求項１から４のいずれかに記載の設計支援装置。 In the evolutionary algorithm, the chromosome is claimed to include the types of a plurality of placement patterns generated according to the shape of the installation location or the type of the installation, and the amount of movement of the placement position of the toilet bowl and the installation in the placement pattern. The design support device according to any one of 1 to 4.
  6. 　前記配置パターンは、設置場所に設置される便器及び設置物のそれぞれの設置規則が満たされるように生成される請求項５に記載の設計支援装置。 The design support device according to claim 5, wherein the arrangement pattern is generated so that the installation rules of the toilet bowl and the installation object to be installed at the installation location are satisfied.
  7. 　前記移動量は、単位移動量の整数倍とされる請求項５又は６に記載の設計支援装置。 The design support device according to claim 5 or 6, wherein the movement amount is an integral multiple of the unit movement amount.
  8. 　前記進化的アルゴリズムにおいて、現世代の複数の個体の中から選択された個体の配置パターンの種類又は配置パターンにおける便器又は設置物の移動量が変更されて次世代に保存される請求項５から７のいずれかに記載の設計支援装置。 Claims 5 to 7 in which in the evolutionary algorithm, the type of arrangement pattern of an individual selected from a plurality of individuals of the current generation or the amount of movement of a toilet bowl or an installed object in the arrangement pattern is changed and stored in the next generation. The design support device described in any of.
  9. 　前記配置候補生成部により生成された配置に便器及び設置物を配置した設置場所の三次元形状データをレンダリングすることにより設置場所の画像を生成する画像生成部を更に備える
    請求項１から８のいずれかに記載の設計支援装置。     Any of claims 1 to 8 further comprising an image generation unit that generates an image of the installation location by rendering three-dimensional shape data of the installation location where the toilet bowl and the installation object are arranged in the arrangement generated by the arrangement candidate generation unit. The design support device described in Crab.
  10. 　前記画像生成部は、想定される使用者の目の高さの位置に視点位置を設定することにより、使用者から見た設置場所の画像を生成する
    請求項９に記載の設計支援装置。     The design support device according to claim 9, wherein the image generation unit generates an image of an installation location as seen by the user by setting a viewpoint position at a position at an assumed eye height of the user.
  11. 　前記画像生成部は、想定される使用者が設置場所に入室してから便器又は設置物を使用して退室するまでの使用者から見た動画像又は使用者の動線を表す画像を生成する
    請求項９又は１０に記載の設計支援装置。     The image generation unit generates a moving image seen by the user or an image showing the flow line of the user from the time when the assumed user enters the installation place to the time when the user leaves the room using the toilet bowl or the installation object. The design support device according to claim 9 or 10.
  12. 　前記画像生成部は、可動な設置物が動かされた場合の設置場所の画像を生成する
    請求項９から１１のいずれかに記載の設計支援装置。     The design support device according to any one of claims 9 to 11, wherein the image generation unit generates an image of an installation location when a movable installation object is moved.
  13. 　前記画像生成部は、想定される使用者又は付随物と便器又は設置物との干渉の有無又は程度を表す画像を生成する
    請求項９から１２のいずれかに記載の設計支援装置。     The design support device according to any one of claims 9 to 12, wherein the image generation unit generates an image showing the presence or absence or degree of interference between a supposed user or an accessory and a toilet bowl or an installed object.
  14. 　前記画像生成部により生成された画像上で便器又は設置物の設置位置を編集するための編集部を更に備える
    請求項９から１３のいずれかに記載の設計支援装置。     The design support device according to any one of claims 9 to 13, further comprising an editing unit for editing the installation position of the toilet bowl or the installation object on the image generated by the image generation unit.
  15. 　コンピュータを、
    　便器の設置場所に関する情報、又は前記設置場所に前記便器とともに設置される設置物に関する情報を取得する設置情報取得部と、
    　前記設置情報取得部により取得された情報に基づいて、前記設置場所に設置される便器及び設置物の配置の候補を生成する配置候補生成部と、
    　前記配置候補生成部により生成された配置の候補を提示する提示部と、
    として機能させ、
    　前記配置候補生成部は、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補を生成し、
    　前記評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む
    設計支援プログラム。     Computer,
    An installation information acquisition unit that acquires information on the installation location of the toilet bowl or information on the installation object installed together with the toilet bowl at the installation location.
    An arrangement candidate generation unit that generates candidates for arrangement of toilet bowls and installation objects installed at the installation location based on the information acquired by the installation information acquisition unit.
    A presentation unit that presents an arrangement candidate generated by the arrangement candidate generation unit, and a presentation unit.
    To function as
    The placement candidate generation unit generates placement candidates by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the placement quality of the toilet bowl and the installed object as the fitness.
    The evaluation standard is a design support program including a standard indicating the convenience when a supposed user uses a toilet bowl or an installed object.
  16. 　コンピュータに、
    　便器の設置場所に関する情報、又は前記設置場所に前記便器とともに設置される設置物に関する情報を取得するステップと、
    　取得された情報に基づいて、前記設置場所に設置される便器及び設置物の配置の候補を生成するステップと、
    　生成された配置の候補を提示するステップと、
    を実行させ、
    　前記生成するステップにおいて、便器及び設置物の配置の良否を評価するための評価基準を用いて算出された評価値を適応度とした進化的アルゴリズムにより配置の候補が生成され、
    　前記評価基準は、想定される使用者が便器又は設置物を使用する際の利便性を表す基準を含む
    設計支援方法。     On the computer
    Steps to obtain information about the installation location of the toilet bowl or information about the installation object installed with the toilet bowl at the installation location, and
    Based on the acquired information, a step to generate a candidate for the arrangement of the toilet bowl and the installation object to be installed at the installation location, and
    Steps to present the generated placement candidates, and
    To execute,
    In the generation step, placement candidates are generated by an evolutionary algorithm using the evaluation value calculated using the evaluation criteria for evaluating the placement quality of the toilet bowl and the installation object as the fitness.
    The evaluation standard is a design support method including a standard indicating convenience when a supposed user uses a toilet bowl or an installed object.
PCT/JP2021/026298 2020-09-08 2021-07-13 Design assistance device, design assistance program and design assistance method WO2022054394A1 (en)

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JPH11259539A (en) * 1998-03-09 1999-09-24 Toto Ltd House reconstruction planning method for the aged
JP2001216338A (en) * 2000-01-31 2001-08-10 Sekisui Chem Co Ltd Design support system
JP2002144771A (en) * 2000-11-14 2002-05-22 Sekisui House Ltd Collection of example of design on house taking aged person and handicapped person into consideration
JP2004185444A (en) * 2002-12-04 2004-07-02 Takenaka Komuten Co Ltd Method for floor planning by computer, storage medium and program
JP2005071207A (en) * 2003-08-27 2005-03-17 Toto Ltd System for supporting facility design

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Publication number Priority date Publication date Assignee Title
JPH11259539A (en) * 1998-03-09 1999-09-24 Toto Ltd House reconstruction planning method for the aged
JP2001216338A (en) * 2000-01-31 2001-08-10 Sekisui Chem Co Ltd Design support system
JP2002144771A (en) * 2000-11-14 2002-05-22 Sekisui House Ltd Collection of example of design on house taking aged person and handicapped person into consideration
JP2004185444A (en) * 2002-12-04 2004-07-02 Takenaka Komuten Co Ltd Method for floor planning by computer, storage medium and program
JP2005071207A (en) * 2003-08-27 2005-03-17 Toto Ltd System for supporting facility design

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