JP4656389B2 - Vehicle planning support system - Google Patents

Description

  The present invention relates to a vehicle planning support system, and more particularly, to a vehicle planning support system that supports vehicle planning using a vehicle model displayed on a screen.

In vehicle development, vehicle planning is usually conducted to consider packaging of vehicles, and after this vehicle planning, a specific detailed design or production drawing is made. Conventionally, in vehicle planning, a plurality of drawings representing an outline of a vehicle are created, and a vehicle is planned based on those drawings. Moreover, a clay model and a mock-up model were produced, or a prototype vehicle was produced to evaluate a planned vehicle.
On the other hand, in order to evaluate vehicle characteristics, the present applicant has proposed a simulation device that allows an evaluator to simulate a vehicle riding state (Patent Document 1). Further, the applicant has proposed a plan support program that supports a vehicle plan by displaying a plurality of models relating to the outer shape of the vehicle, a living space, and the like on a screen in a deformable manner (for example, Patent Document 2).

JP 07-271289 A JP 2004-042747 A

  However, in the vehicle planning method based on the above-described conventional drawings, a large number of drawings must be created in order to evaluate various shapes, packaging, and the like. It was necessary to rewrite the drawing. In addition, it is difficult for vehicle planners who are not used to such drawings to judge the quality of specific packaging and the like, and in addition, it may not be possible to determine how to make changes. Furthermore, producing a clay model, a prototype vehicle, etc. requires a great deal of cost and time, and therefore vehicle planning tends to be conservative.

  In addition, in the apparatus described in Patent Document 1, vehicle planning can be performed from the viewpoint of the evaluator's sensitivity evaluation in the vehicle boarding state, but vehicle planning is performed by comprehensive evaluation such as vehicle packaging and appearance image. There was a problem that could not be done.

  On the other hand, in the technique described in Patent Document 2, it is possible to proceed with vehicle planning by comprehensive evaluation such as vehicle packaging and appearance image, and a model related to the vehicle described above is usually a flat screen (for example, , See FIG. 2), and the vehicle planning proceeds. However, each model is displayed as an image, and even if each model is displayed three-dimensionally, the relative distance of the instrument panel, roof, pillar, etc. to the occupant is difficult to grasp, especially on a flat screen. It was difficult to grasp the image of the size of the surrounding space. In other words, it is impossible to evaluate the overhead space by putting your hand over the head like a real car, or you can check the distance by extending your hand in various directions around it, the passenger's living space and the movement space when getting on and off In addition, there is a problem that it is impossible to objectively evaluate the feeling of pressure received by the occupant.

  Accordingly, the present invention has been made to solve the above-described problems of the prior art, and an object thereof is to provide a vehicle planning support system that can perform vehicle planning more efficiently and effectively. Yes.

In order to achieve the above object, the present invention is a vehicle planning support system that displays a vehicle model on a screen and supports vehicle planning, and allows specification values including dimensions and angles in the vehicle model to be input. Morphing for displaying a vehicle model as a deformable vehicle model based on the specification value input on the specification value input screen by means of the specification value input screen display means for displaying the specification value input screen for The vehicle model includes an occupant model that defines the arrangement and posture of the occupant, and the morphing screen display unit evaluates the size of the space around the occupant model when the occupant model is displayed. a space area display means for the spatial area display in correspondence with the passenger model displayed over the vehicle model for spatial area display means, a spatial area display, It is characterized by displaying a hierarchical representation divided into a plurality of layers having a mutual spacing constant.
In the present invention configured as described above, a specification value input screen for inputting specification values including dimensions and angles in the vehicle model is displayed, and the vehicle model can be deformed based on the input specification values. A morphing screen that displays as a simple vehicle model is displayed, so vehicle planners can evaluate various shapes and packaging more efficiently and effectively by inputting specification values and modifying the vehicle model. The vehicle planning approach is completely different from the conventional vehicle planning approach based on the drawings, and a newer vehicle can be planned by a method having a high degree of freedom without being bound by the conventional stereotypes.
In addition, since the space area display for evaluating the size of the space around the occupant model is displayed corresponding to the occupant model that defines the layout and posture of the occupant, the vehicle planner can The size can be objectively evaluated. In particular, for example, when a vehicle model is displayed on a flat screen as shown in FIG. 2 and a plurality of people examine and evaluate the vehicle model, the space area display is displayed, so that the size of the space around the occupant model is displayed. Can be objectively evaluated without variation in evaluation among the plurality of persons. In addition, the size of the space around the occupant can be measured without having to make a prototype and evaluate the overhead space by putting a hand over the head and checking the distance by extending the hand in various directions. It is possible to grasp.
In addition, by using a hierarchical display as the space area display, the size of the space around the passenger can be more objectively evaluated.
As a result, vehicle planning can be carried out more efficiently and effectively.

In the present invention, it is preferable that the space area display includes a boarding / alighting area display indicating a space through which a head of the occupant model passes, and the space area display means displays the boarding / alighting area display as a door opening of the vehicle model. In the area of the part.
In the present invention configured as described above, since the boarding area display displayed in the area of the door opening of the vehicle model indicates a space through which the head of the passenger model passes when getting on / off, for example, It is possible to evaluate the overhead space and the presence / absence of interference with the roof and pillar in the event.

In the present invention, it is preferable that the space area display includes a reach area display that indicates a space that the occupant model can reach, and the space area display means displays the reach area display on the front side of the occupant model.
In the present invention configured as described above, the reach area displayed on the front side of the occupant model indicates the space that the occupant model can reach, so that, for example, the operability of the occupant with respect to the steering, shift lever, instrument panel, etc. Can be evaluated.

In the present invention, preferably, the space area display includes a head space area display indicating a space in which the head moves when the occupant model is seated, and the space area display means displays the head space area display as the occupant model. Is displayed above.
In the present invention configured as described above, the head space area display displayed on the upper side of the occupant model indicates a space in which the head when the occupant model is seated moves. It is possible to evaluate the presence or absence of interference with the pillars of the part.

In the present invention, it is preferable that the display further includes a morphing screen display setting unit for inputting a mutual interval of the layers in the hierarchical display, and the spatial area display unit is arranged at the mutual interval input to the morphing screen display setting unit. Display the display.

In the present invention, it is preferable that the morphing screen display means displays or hides the spatial area display based on the input spatial area display display and non-display commands.
In the present invention configured as described above, the convenience of the vehicle planner can be enhanced.

  According to the present invention, vehicle planning can be performed more efficiently and effectively.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
First, the outline of the vehicle planning support system according to the present embodiment will be described with reference to FIGS. 1 to 3.
FIG. 1 is a block diagram illustrating a basic configuration of a vehicle planning support system according to the present embodiment, and FIG. 2 is a perspective view illustrating a basic configuration of an evaluation monitor device of the vehicle planning support system according to the present embodiment. FIG. 3 is a diagram illustrating a configuration of a planning support program, a database configuration, and a conceptual flow of data of the vehicle planning support system according to the present embodiment.

First, the basic configuration of the vehicle planning support system according to the present embodiment will be described with reference to FIG.
As shown in FIG. 1, the vehicle planning support system 1 according to the present embodiment includes a computer 2, a database server 4, and an evaluation monitor device 6.
First, the computer 2 includes a CPU 8, a ROM 10, a RAM 12, a storage unit 14, an input unit 16, a display unit 18, an image processing unit 20, and a communication unit 22, which are connected to each other via a system bus.
The CPU 8 is a central processing unit that executes processing by the planning support program 30 shown in FIG. 3 in addition to general computer processing. The ROM 10 stores a boot program for starting the computer 2 and the like. The RAM 12 has a program area for temporarily storing a planning support program 30 executed on the vehicle planning support system and various data, and a data area for writing and reading data.

  The storage unit 14 is a storage device such as a hard disk drive. The storage unit 14 has a plan support program storage unit, and stores a plan support program 30 shown in FIG. The input unit 16 is a keyboard, a mouse, or the like for inputting commands and data from the outside. The display unit 18 is a liquid crystal display or the like. The image processing unit 20 performs arithmetic processing on data to be displayed based on a command from the CPU 8 and displays the data on the display unit 18 or the evaluation monitor device 6. The communication unit 22 transmits / receives information to / from the database server 4, the evaluation monitor device 6, and another computer (not shown) via a wireless or wired communication line.

Next, the evaluation monitor device will be described with reference to FIG.
As shown in FIG. 2, the evaluation monitor device 6 includes a projector 24 and a flat screen 26. The projector 24 projects a vehicle model and a simulation model, which will be described later, on the flat screen 26 from the rear side based on the information calculated by the image processing unit 20. Then, a plurality of vehicle planners (persons who perform evaluation of the planned vehicle, each operation, etc.) located on the front side of the flat screen 26 can see the screen 28 displaying those vehicle models and simulation models. It has become. As described above, the evaluation monitor device 6 enables a plurality of vehicle planners to simultaneously examine and evaluate the planned vehicle without producing a prototype vehicle.

Next, the outline of the planning support program 30 and the outline of the flow of vehicle planning will be described with reference to FIG.
As shown in FIG. 3, the plan support program 30 includes a model concept program 32 and a simulation program 34. In the present embodiment, the model concept program 32 proceeds with a study on packaging determined by the layout of each part of the planned vehicle, and the simulation program 34 evaluates the planned vehicle.
The model concept program 32 includes a specification value input program (specific value input screen display program) 36, a vehicle model data generation program 38, a morphing screen display program 40, and a history registration display program 42. The simulation program 34 includes A simulation image display program 44 is included.

  First, in the vehicle planning, the specification value input program 36 generates “specific value data” composed of the vehicle type and specification values of the planned vehicle based on the input of the vehicle planner and the like. Next, by the vehicle model data generation program 38, this specification value data and “vehicle data” stored in the databases 60, 62, 64, 66, 68 of the database server 4 (data serving as a template for the vehicle model). Based on the above, “vehicle model data” is generated. The vehicle model data is data for displaying the planned vehicle as a “vehicle model” on the morphing screen. The vehicle model data generation program 38 includes a reference model data generation program 46, an appearance model data generation program 48, an appearance part model data generation program 50, an interior model data generation program 52, and an interior part model data generation program 54. Yes.

  Next, “vehicle model” is displayed based on the vehicle model data by the morphing screen display program 40 (see FIGS. 5 to 9). The morphing screen display program 40 includes a two-dimensional morphing screen display program 56 and a three-dimensional morphing screen display program 58, and the vehicle model is displayed two-dimensionally and three-dimensionally, respectively. This vehicle model is capable of morphing, that is, changing the shape of each part and changing the arrangement of each part. Note that “deforming” a vehicle model includes changing the shape and arrangement of each part of the displayed vehicle model.

  Next, the vehicle planner can change the shape and arrangement of each part of the vehicle model displayed by the morphing screen display program 40 on the screen, and proceed with the examination on the outline of the planned vehicle and the occupant arrangement. After such examination, the simulation image display program 44 displays a simulation of the vehicle model in the virtual space, and the vehicle planner can see how the planned vehicle travels in the virtual space imitating the urban area that actually exists. You can see the view from the room.

  Further, the history registration display program 42 can register the history of input and change of the specification value in the history database 76 including its purpose and the like. The registered data can be searched and is notified in a predetermined case.

Next, a database included in the database server 4 will be described with reference to FIG.
As shown in FIG. 3, the database server 4 includes a reference database 60, an appearance database 62, an appearance parts database 64, an interior database 66, and an interior parts database 68. In these databases, vehicle data serving as a template for vehicle model data is stored as will be described in detail later.

The database server 4 includes a benchmark vehicle database 70, a regulation value database 72, a virtual space database 74, and a history database 76.
The benchmark vehicle database 70 stores, for each vehicle type, a plurality of specification values that represent specific numerical values of dimensions, angles, and the like related to existing vehicle types. Such specification values can be used as data as a base vehicle that is a base for changing the shape of the planned vehicle and the arrangement of each part, and a benchmark vehicle that is a comparison target of the planned vehicle.
The restriction value database 72 stores data relating to restriction values for regulation or vehicle design. These data are made up of specific numerical values such as bumper heights determined by, for example, domestic and foreign collision safety standards. In addition, data relating to a prescribed value that defines the allowable range according to the stage of vehicle planning for each item (specific items such as roof height) is stored.

The virtual space database 74 stores virtual space data related to the virtual space when the vehicle model is displayed by simulation. This virtual space data is data for forming a three-dimensional virtual space including buildings, roads, intersections, signals, pedestrians, other vehicles, and the like as objects.
In the history database 76, know-how such as the setting or changing procedure of the specification value by the vehicle planner and the purpose thereof is stored as history data. Further, history data can be newly stored in the history database 76.

Next, the vehicle model will be described with reference to FIGS.
FIG. 4 is a diagram for explaining each model included in the vehicle model according to the present embodiment, and FIG. 5 is a diagram illustrating main dimensions model (a), occupant model (b), and underbody of the reference model according to the present embodiment. 6 is a diagram illustrating an example of a model (c), FIG. 6 is a diagram illustrating an example of an exterior model of an exterior model according to the present embodiment, and FIG. 7 is a diagram illustrating a door model (a to the exterior part model according to the present embodiment). FIG. 9 is a diagram illustrating an example of the glass model (d) and FIG. 8 is a diagram illustrating an example of the upper interior model (a) and the lower interior model (b) of the interior model according to the present embodiment. FIG. 10 is a diagram illustrating an example of an instrument panel model, a console model, and a seat model of an interior part model according to the present embodiment. FIG. 10 illustrates an occupant model, an appearance model, and an interior model according to the present embodiment. Is a diagram illustrating an example of a vehicle model that combines model.

First, the reference model will be described with reference to FIGS.
As shown in FIG. 4, the vehicle model includes a reference model 80, and the reference model 80 includes a main dimension model 82, an occupant model 84, and an underbody model 86.
As shown in FIG. 5A, the main dimension model 82 is a model relating to the outer frame 82a of the vehicle, the ground (corresponding to the ground) 82b, the wheels 82c, etc., and the dimensions of the outer frame of the vehicle and the length of the wheel base. Specified by specifications such as wheel dimensions.

As shown in FIG. 5B, the occupant model 84 is a model related to the occupant mannequin 84a, the steering 84b, the pedal 84c, the visibility condition 84d, and the like. Further, as will be described later, a spatial area display (see FIGS. 30 to 36) indicating the range of movement of the occupant's head, the reach of the hand, and the like is also included in this model.
The occupant mannequin 84a is for examining the occupant arrangement and posture, and has a certain shape and size according to domestic and foreign standards. The occupant mannequin 84a is defined by various dimensions and angle specifications for specifying the occupant arrangement and posture. The specifications include, for example, the position of the hip point, the position of the top and heel with respect to the hip point, the distance between the front row and the second row of occupants, and the like. The “dimension” includes “relative distance” between each part.

The steering 84b and the pedal 84c are for studying their arrangement with respect to the occupant, and their shapes and dimensions are constant. The steering 84b and the pedal 84c are defined by, for example, specifications of the relative distance and angle with respect to their hip points or heels. The visibility condition 84d is defined by specifications such as an angle extending in the vertical direction from the eye point to the front of the vehicle.
As shown in FIG. 5C, the underbody model 86 is a model related to the lower structure of the vehicle body such as the dash panel 86a, the floor panel 86b, and the side sill 86c. The underbody model 86 is defined by specifications such as dimensions and angles of several panels constituting the dash panel 86a and the floor panel 86b, dimensions of the side sill 86c, and the like.

  Based on the reference model 80 in which these models 82, 84, 86 are combined and the respective models constituting the reference model 80, packaging such as occupant placement and basic specifications of the vehicle can be examined.

Next, the appearance model will be described with reference to FIGS.
As shown in FIG. 4, the vehicle model includes an appearance model 90, and the appearance model 90 includes an exterior model 92. As shown in FIG. 6, the exterior model 92 is a model related to a vehicle outer plate including a bumper, a bonnet, and the like. The exterior model 92 is defined by various dimensions and angles related to the outer shape of the vehicle. The specifications include, for example, a wheel base, a front overhang, a rear overhang, a position of a cowl point, a roof top height, an inclination angle of a pillar portion, and the like.

  With such an appearance model 90, it is possible to examine the appearance image of the vehicle. Further, by combining the appearance model 90 with the reference model 80, it is possible to examine the packaging of the living space of the vehicle in more detail.

Next, the external part model will be described with reference to FIGS.
As shown in FIG. 4, the vehicle model includes an exterior part model 100, and the exterior part model 100 includes a door model 102 and a glass model 104.
As shown in FIGS. 7A to 7C, the door model 102 is a model related to the front and rear door opening flanges 102a, the front and rear side door skins and sashes 102b, and the lift gate skin and sash 102c. As shown in FIGS. 7B to 7D, the glass model 104 is a model related to each glass of the front window, the front quarter window, the side window, the rear quarter window, and the rear window. These models are defined in terms of various dimensions and angles relating to their shape and arrangement.

  With these models 102 and 104, it is possible to individually examine the shape and arrangement of doors and window glass that constitute a part of the appearance. Further, by combining these models 102 and 104 with the appearance model 90, the appearance image of the vehicle and the like can be examined in more detail.

Next, an interior model will be described with reference to FIGS.
As shown in FIG. 4, the vehicle model includes an interior model 110, and the interior model 110 includes an upper interior model 112 and a lower interior model 114. As shown in FIG. 8A, the upper interior model 112 is a model related to the pillar trim 112a and the top sealing (roof header, roof rail, and roof trim) 112b. As shown in FIG. 8B, the lower interior model is used. Reference numeral 114 denotes a model relating to the front and rear door and lift gate trim 114a, the cowl side trim 114b, the B pillar lower trim 114c, the rear side trim 114d, and the scuff plate 114e. These models are defined by various dimensions and angle specifications regarding the shape and arrangement of each trim, top ceiling, and the like.

  By combining the interior model 110 with the occupant model 84 and the exterior model 90, it is possible to examine the relative distance between the occupant and the interior, the feeling of pressure in the room by the occupant, the visibility outside the vehicle compartment, and the like.

Next, an interior part model will be described with reference to FIGS.
As shown in FIG. 4, the vehicle model includes an interior part model 120, and the interior part model 120 includes an instrument panel model 122, a console model 124, and a seat model 126.
As shown in FIG. 9, the instrument panel model 122, the console model 124, and the seat model 126 are models relating to an instrument panel including a dashboard, a console continuous with the instrument panel, and a plurality of seats. These models are for examining the arrangement in the passenger compartment, and have a certain shape.
The instrument panel model 122 and the console model 124 are defined in terms of dimensions and angles relating to their arrangement. The seat model 126 is defined by dimensions (distances) and angle specifications relating to seat arrangement, seat width, headrest vertical position, seat back angle, and the like.
The instrument panel model 122 and the console model 124 may be automatically deformed according to the arrangement so as to match the interior model 110.

  By using this interior part model 120 in combination with the interior model 110, and in addition to the exterior model 90 and the reference model 80, the arrangement of the instrument panel, console and seat, as well as the pressure and appearance of the passenger compartment can be examined. I can do it.

  The arrangement of each model shown in FIG. 4 described above is defined by a relative distance with respect to a predetermined reference position, and each model has such a relative distance as a specification. Examples of the predetermined reference position include a front-rear direction reference point (for example, a cowl point), a ground, and a vehicle intermediate surface (a surface passing through the middle in the vehicle width direction extending in the vehicle front-rear direction).

  In these vehicle models, it is possible to examine the overall size of the vehicle with the main dimension model 82, to examine the interior space with the occupant model 84, and to examine the appearance image of the vehicle with the exterior model 92, etc. It is. As a result, when the models are combined, for example, as shown in FIG. 10, the head of the occupant model 84 may jump out of the roof, and in this embodiment, such an interference state is visually confirmed. Can be done. The vehicle planner can see such an interference state and make adjustments such as lowering the hip point, or review the external image of the vehicle.

  Here, conventionally, when such a vehicle plan is attempted, it may take time to rewrite the design drawing, or a high roof height may be determined in advance so that the head of the occupant does not jump out of the roof. Yes, vehicle planning tended to be conservative. On the other hand, in this embodiment, vehicle planning can be performed with a vehicle model whose shape can be easily changed on the screen. As a result, even if the head pops out as shown in FIG. Easy. In addition, the plane screen 26 as shown in FIG. 2 allows a plurality of vehicle planners to proceed with vehicle planning while having discussions with each other.

  Thus, according to the vehicle planning system 1 according to the present embodiment, unlike the conventional vehicle planning approach, the vehicle planning can be performed by a method with a high degree of freedom that is not bound by the conventional stereotypes. As a result, it is possible to plan a car with a newer appearance image based on a free idea, or to plan a vehicle having a living space that is most comfortable for the passenger.

Next, vehicle data stored in the reference database 60, the appearance database 62, the appearance parts database 64, the interior database 66, and the interior parts database 68 will be described with reference to FIG.
The vehicle data stored in these databases is data used as a template when generating vehicle model data (data for displaying a vehicle on a morphing screen). In other words, the vehicle data is data defining the shape of the vehicle, the occupant posture, etc., using the dimensions and angles of the vehicle as parameters (variables). This vehicle data includes rule data to be described later.
The vehicle model generated on the basis of such vehicle data is a model that can be driven in a so-called dimension. When the dimension or angle is changed, each part of the vehicle is deformed or the occupant layout is changed accordingly. Become so.

  As vehicle data, main dimension data, occupant data, and underbody data that are reference data are stored in the reference database 60, exterior data that is appearance data is stored in the appearance database 62, and appearance data is stored in the appearance parts database 64. Door data and glass data as part data are stored, upper interior data and lower interior data as interior data are stored in the interior database 66, and instrument panel data, console data and interior data as interior part data are stored in the interior parts database 68. Sheet data is stored. Each database 60, 62, 64, 66, 68 stores a plurality of vehicle data corresponding to the basic configuration of the vehicle (vehicle type, pillar configuration, seat arrangement).

Next, rule data included in the vehicle data will be described.
The rule data includes data that associates specifications and maintains the consistency of the shape and arrangement of each part of the vehicle. With such data, for example, in the exterior model 92 that represents the outer shape, when the roof length is changed, the angle of the pillar portion is also changed in conjunction with the roof so as to maintain the connection with the roof, and further, the upper interior representing the interior The length of the top sealing (ceiling lining) of the model 112 is also changed. Such rules are set differently for each vehicle type, such as minivans and sedans.For example, when the front edge of the roof is lowered rearward, in the minivan, the bonnet extends backward while maintaining the angle of the front pillar, In the sport type, the inclination angle of the front pillar is reduced.

  In the embodiment of the present invention, the “vehicle model” is a generic name of the vehicle models 80 to 126 shown in FIG. “Vehicle data” and “vehicle model data” are generic names of data corresponding to the vehicle models 80 to 126 shown in FIG. Further, to display the vehicle model, each of the models 80 to 126 shown in FIG. 4 can be displayed individually, or some of them can be displayed in combination, or all of them can be displayed in combination. Including either

Next, the function of the specification value input program 36 and the specification value input screen will be described with reference to FIGS.
FIG. 11 is a diagram showing an initial screen of the specification value input screen according to the present embodiment, and FIG. 12 is a diagram showing a numerical value input screen of the specification value input screen according to the present embodiment.
The specification value input program 36 (see FIG. 3) has a function of displaying a specification value input screen as shown in FIGS. 11 and 12 and generating specification value data from the input specification values.

  First, as shown in FIG. 11, items relating to the basic configuration of the vehicle are displayed on the initial screen of the specification value input screen. In these items, vehicle type (hatchback, sedan, minivan, sports, open, truck, etc.), a plurality of pillar configurations corresponding to each vehicle type (number and position of pillars, etc.), and seat arrangement (one row, These items are set by the vehicle planner selecting each of two types (two columns, three columns, etc.) from several types.

  In addition, the initial screen shown in FIG. 11 displays items related to reading of specification values so that the vehicle planner can select a vehicle (base vehicle) as a base for deforming the vehicle shape when planning the vehicle. It has become. When a specific vehicle (here, “A vehicle”) is selected, the specification values of the vehicle are collectively read from the benchmark vehicle database 70 (see FIG. 3), and are collectively shown in the specification value input table shown in FIG. Is input.

  Next, as shown in FIG. 12, on the numerical value input screen of the specification value input screen, a side view and a plan view of the vehicle showing the specification value input table and the corresponding part of each specification item are displayed. The input table includes a column indicating the name of the vehicle model (such as “reference model”) and a parameter item indicating a parameter name corresponding to each item (such as a name such as “WheelBase” or an identification symbol such as “L101”). A column, a specification value input column for inputting a specific numerical value (such as “2400”) as a specification value corresponding to each specification item, and a predetermined range of the specification value (“± 100”, etc.) A range input column for inputting a numerical value range) and a carry-over designation column (display of “ON” or the like).

With such a numerical value input screen, the vehicle planner inputs or changes the specification value corresponding to each specification item of each model according to the vehicle type or the like, thereby setting the specification value. When a common specification value is used in each vehicle model, the numerical value input for any one of the models is reflected in the numerical values of the other models. The vehicle planner can change the specification value on the numerical value input screen, or can change the specification value by using the read specification value as it is and transforming it on the morphing screen.
In addition, when the vehicle type, specification value, etc. are set on such a specification value input screen, the set vehicle type data and specification values are listed in association with the specification items (parameters). The specification value data including the respective data is generated.

Next, generation of vehicle model data by the vehicle model data generation program 38 will be described.
The model data generation programs 46, 48, 50, 52, and 54 (see FIG. 3) included in the vehicle model data generation program 38 are the specification value data generated by the specification value input program 36 and the databases 60 and 62, respectively. , 64, 66, 68 has a function of generating vehicle model data (data for displaying a vehicle on a morphing screen) based on the vehicle data (vehicle model template).

Specifically, first, the specification value data is read by each program 46, 48, 50, 52, 54. Next, vehicle data corresponding to the corresponding vehicle type is read from each database 60, 62, 64, 66, 68 based on the basic configuration information such as the vehicle type included in the specification value data. Next, the specification values of the specification value data are substituted into the read vehicle data, and vehicle model data is generated.
Vehicle model data includes standard model data (main dimension model data, occupant model data, and underbody model data), exterior model data (exterior model data), exterior part model data (door model data and glass model data), and interior model. Data (upper interior model data and lower interior model data) and interior part model data (instrument panel model data, console model data, and seat model data) are included.

Here, as will be described later, on the three-dimensional morphing screen, a vehicle model (three-dimensional vehicle model) incorporating all the specification values included in the specification value data and all the rule data included in the vehicle data is displayed. .
On the other hand, on the two-dimensional morphing screen, a vehicle model (two-dimensional vehicle model) in which only predetermined values relating to a predetermined cross section and a main shape of the vehicle viewed from the side, a plane, or the front is incorporated is displayed. Also, less rule data is incorporated.

In addition, in order to use each morphing screen effectively, the number of specifications that can be changed by dragging or numerical input is set to be small on the three-dimensional morphing screen and set to be large on the two-dimensional morphing screen.
Therefore, the vehicle model data generation program 38 generates vehicle model data for three-dimensional morphing and vehicle model data for two-dimensional morphing according to the morphing screen to be displayed.

Next, the function of the three-dimensional morphing screen display program 58 and the three-dimensional morphing screen will be described with reference to FIGS. FIG. 13 is an example of a three-dimensional morphing screen that displays a vehicle model according to the present embodiment, and FIG. 14 is an example of a three-dimensional morphing screen that displays the interior of the vehicle model according to the present embodiment.
As shown in FIG. 13, the three-dimensional morphing screen display program 58 is a three-dimensional view of a vehicle model viewed from an arbitrary viewpoint based on the vehicle model data for three-dimensional morphing generated by the vehicle model data generation program 38. A function to display a simple shape so that a sense of distance appears according to the viewpoint.

On this three-dimensional morphing screen, each vehicle model (appearance model 90, occupant model 84, etc.) can be arbitrarily combined or displayed individually (see FIGS. 5 to 9).
Further, as shown in FIG. 14, if a cross section is taken in the vehicle width direction of a model in which each model is combined, the passenger compartment 84, the interior models 112 and 114, and the interior part models 122 and 126 can be displayed. You can also. Each model is displayed superimposed on the above-described predetermined reference position.

  Next, as shown in FIG. 13, the vehicle model is dragged with the mouse, the specification points that are the starting points of the dimensions and angles, which are indicated by circles (only a part is shown) as indicated by A in the figure. As a result, the shape and arrangement of each part can be changed. The specification value after dragging is automatically calculated and reflected in the specification value data.

The vehicle model displayed on this three-dimensional morphing screen reflects all specification values to display the three-dimensional shape, and to maintain consistency in shape and arrangement when deformed, All rule data that associates each other is included and displayed.
Therefore, when a certain point is dragged with the mouse, the dimension and angle starting from the specified point are changed, and all other related dimensions and angles are changed in conjunction with each other. The vehicle model is deformed while maintaining consistency in shape and arrangement.

  In this way, on the 3D morphing screen, the vehicle shape can be intuitively transformed with the 3D shape as it is seen, making it easy to grasp the overall image of the vehicle shape when planning the vehicle. It has become. Therefore, vehicle planners can plan unprecedented and distinctive vehicles by freely changing the shape of the vehicle while looking at the 3D image of the vehicle on the 3D morphing screen. I can do it.

On the other hand, since the shape is displayed three-dimensionally on the three-dimensional morphing screen, it is not suitable to display the dimension line and directly enter the numerical values of the dimensions and angles and change them. For example, when it is desired to change the shape of the roof, it may be difficult to determine which specification point should be dragged. Even if the roof shape is changed, it may be inconvenient to examine in detail what kind of curve the roof is drawing.
In such a case, in this embodiment, as will be described below, the vehicle planner can effectively advance the vehicle planning by utilizing the two-dimensional morphing screen.

Next, the function of the two-dimensional morphing screen display program 56 and the two-dimensional morphing screen will be described.
First, the types of the two-dimensional morphing screen and the display contents of the vehicle model will be described with reference to FIGS. FIG. 15 is an example of a side view display (a), a plan view display (b), and a front view display (c) of a two-dimensional morphing screen displaying a vehicle model according to the present embodiment. FIG. FIG. 17 is another example of a side view display of a two-dimensional morphing screen for displaying a vehicle model by FIG. 17, and FIG. 17 is an example of a cross-sectional display of a two-dimensional morphing screen showing a cross section of a pillar portion of the vehicle model according to the present embodiment. .
The two-dimensional morphing screen display program 56 (see FIG. 3) has a function of displaying a vehicle model based on the vehicle model data for two-dimensional morphing generated by the vehicle model data generation program 38.

As shown in FIGS. 15 and 16, the vehicle model has a three-side view display (side view display (FIG. 15A, FIG. 16), plan view display as viewed from the side, plane, or front (or back)) ( As shown in FIG. 15 (b)), front view display (FIG. 15 (c))), and FIG. 17, it is displayed in a cross-sectional view showing the cross-section of the components such as pillars and doors. These side view display, plan view display, front view display, and cross-sectional view display can all be displayed side by side or arbitrarily selected.
On these two-dimensional morphing screens, the vehicle model has a predetermined cross section and main shape displayed as straight lines and curves (morphing shape display), and further, specification items regarding the shape values displayed in the morphing shape, Specification values and dimension lines that define them are displayed (specification value display).

For example, as shown by a thick line in FIG. 15A, as a morphing shape display in the side view display, a shape (shape such as a roof or a cowl) that appears on a cross section of the vehicle intermediate surface, and a side shape The main shape to be characterized (eg, beltline shape) is displayed. As the specification value display, specification items (in this figure, “WheelBase”, “***” are displayed), specification values (in this figure, “2400”, “...” are displayed), and A dimension line is displayed.
In FIG. 15A, the morphing display is displayed for the exterior model 92, and the other models are omitted. In addition to the morphing shape display and the like, an image of the surface shape of the outer plate of the exterior model 92 and an image and a line indicating the arrangement and posture of the occupant model 84 are displayed.

  15B and 15C, the plan view display and the front view display are similarly cross-sections that can characterize the outer shape when the vehicle is viewed in plan or front view. A morphing display and specification value display for the main shape are displayed. Furthermore, an image of the surface shape of the outer plate is displayed.

Further, in the side view display of the two-dimensional morphing screen shown in FIG. 16, the morphing shape display and specification value display are displayed for the exterior model 92 and the occupant model 84, and the image of the surface shape of the outer plate of the exterior model 92 is The display is omitted. In the side view display shown in FIG. 16, the outer shape of the vehicle and the occupant arrangement can be examined.
As shown in FIGS. 15 and 16, the vehicle planner arbitrarily selects and displays a model for morphing shape display according to the purpose, and further arbitrarily selects a model to be referred to. An image can be displayed. With such a two-dimensional morphing screen, it is possible to examine the outer shape, main dimensions, etc. of the vehicle with reference to the occupant arrangement and the image of the outer plate, for example.

  Next, as shown in FIG. 17, the above-described morphing shape and specification value display are also displayed in the cross-sectional view display. In the cross-sectional view display, the cross-sectional shape of the pillar portion is mainly displayed in a state where the exterior model 92 and the upper interior model 112 are combined. As a cross-sectional view display, it is possible to display cross sections of other main parts of the vehicle.

Next, with reference to FIG. 15 to FIG. 17, a method for deforming and changing the shape of each part of the vehicle model on the two-dimensional morphing screen, and applied rules will be described.
As shown in FIGS. 15 to 17, the displayed specification values (“...”) Can be numerically input by selecting on the screen. By changing the specification value, the shape and arrangement of each part of the vehicle model are changed. Therefore, the vehicle planner can proceed with the work while looking at the deformed shape of the vehicle model every time the specification value is input.

In this two-dimensional morphing screen, as in the three-dimensional morphing screen shown in FIG. 13, a circled point as shown by A in FIG. 15 is also displayed, and morphing by dragging is also possible. The specification points displayed on the two-dimensional morphing screen can be displayed for all applied specification values (only a part is shown in the figure).
The above-described numerical value input or the specification value changed by this dragging is reflected in the specification value data.

Further, the above-described rule data is incorporated in the vehicle model for two-dimensional morphing to the minimum. Rules that are applied to this minimum include rules that prevent the vehicle shape from breaking down, such as maintaining the connection between the pillar and the roof, and hip points and seat positions that must be changed. Association rules are applied.
Therefore, the vehicle planner can basically change the dimensions and angles of the portion to be changed one by one without being bound by rules. As a result, the vehicle planner can steadily finish the vehicle shape while confirming the deformation shape for each change.

  Here, the skilled person is often accustomed to the design drawing represented in the three-dimensional view, and it is better to display the vehicle in the three-dimensional view than the three-dimensional view. It may be easy to grasp an image or the like. And on the two-dimensional morphing screen, the vehicle model can be seen in a three-dimensional view that is close to the conventional design drawing. Is easy. Therefore, for example, an expert who is accustomed to conventional design drawings can easily form the shape of a vehicle model to be newly planned on the screen based on the shape and numerical value drawn in the head based on the experience. I can do it. Thus, according to the two-dimensional morphing screen, vehicle planning can be effectively advanced by making use of the experience of skilled workers.

  Furthermore, the vehicle model displayed on the two-dimensional morphing screen incorporates only the specification values relating to the predetermined cross section and main shape, and defines the vehicle model from the vehicle model displayed on the three-dimensional morphing screen. There is little data. Further, as described above, rule data is also incorporated to a minimum. Therefore, on the two-dimensional morphing screen, the calculation time is short, and the vehicle planning can be efficiently advanced while updating the shape in real time.

Next, application of rules between the vehicle models on the three-dimensional morphing screen and the two-dimensional morphing screen will be described with reference to FIG. FIG. 18 is a diagram for explaining the master-slave relationship of rules applied between the vehicle models according to the present embodiment.
First, the master-slave relationship of rules applied between the vehicle models will be described with reference to FIG.
The rule data described above includes data defining master-slave relationships between the vehicle models in order to advance the vehicle planning effectively and efficiently. In FIG. 18, an arrow indicates a master-slave relationship, and the model of the start point is higher and the model of end point is lower. Then, when the specification value of the upper model is changed on the morphing screen described later, the specification value of the lower model related to the changed specification value is also changed in conjunction with the changed shape value. Is displayed. For example, when the wheel base is changed in the main dimension model 82, the distance from the dash panel to the occupant and the front and rear wheel arch portions affected by the change of the wheel base in the occupant model 84 and the exterior model 92 that are lower models. Each specification value such as the distance between them is changed.

  On the other hand, when the specification value is changed in the lower model, the specification value is not changed in conjunction with the higher model. In addition, even in the models where the master-slave relationship is not set, the specification values are not changed in conjunction with each other. For example, even if the occupant arrangement is changed in the occupant model 84, each specification value such as the wheel base of the main dimension model 82 is not changed, and each specification value of the exterior model 92 is not changed.

  With such a master-slave relationship, for example, when planning a vehicle with an emphasis on the appearance of the vehicle, the vehicle is not restricted by restrictions on the overall size of the vehicle (major dimension model 82) or the internal space (occupant model 84). The exterior model 92 can examine the appearance image of the vehicle. Conversely, it is possible to study the living space with free ideas without being bound by the appearance image. By providing the master-slave relationship in this way, vehicle planning can be advanced efficiently.

Next, rule data that defines the positional relationship of each vehicle model with respect to the occupant model 84 will be described.
The rule data described above includes data storing the positional relationship of each model with respect to the occupant model 84.
First, when the specification value of the hip point of the occupant model 84 is changed between the occupant model 84 and the seat model 126, the specification value regarding the arrangement of the seat model 126 is changed in conjunction with the changed hip point. A rule is set so that the sheet model 126 is arranged at a matching position. Accordingly, it is not necessary to individually change the specification values that must be changed in design, so that the convenience of the vehicle planner is enhanced.

Further, if the specification value of the hip point (height from the ground) of the occupant model 84 is changed between the occupant model 84 and the instrument panel model 122 and the lower interior model 114, the instrument panel (instrument model 122) and the door trim ( The rule value is set so that the specification value regarding the height from the ground of the lower interior model 114) is changed in conjunction with the instrument panel and the door trim at a predetermined reference position. In the present embodiment, the predetermined reference position is set in a range in which the appearance of the instrument panel and the door trim (including a feeling of pressure and a feeling of opening) as seen from the passenger is not dropped.
When the relative positional relationship between the hip point and the interior parts is determined almost uniquely for such a reason for appearance, it is not necessary to individually change the specification values, so that the convenience of the vehicle planner is enhanced. The interior parts may be linked to the eye points instead of the hip points.

Here, the seat model 126, the instrument panel model 122, and the lower interior model 114 have a permissible range that is changed in conjunction with each other. For example, in the seat model 126, the permissible range is determined by a lower limit position where a mounting part or a seat cushion can be provided and a certain upper limit position relative to the floor. In the instrument panel model 122 and the lower interior model 114, the allowable range is defined by a certain lower limit position with respect to the floor and an upper limit position that does not significantly exceed the cowl point or the belt line.
In the present embodiment, when such an allowable range is exceeded, the seat model 126, the instrument panel model 122, and the lower interior model 114 are changed to the center position of such an allowable range. Therefore, it is possible to visually confirm the center position as a reference for arrangement, and as a result, it is possible to prevent a large mistake at the vehicle planning stage.

On the other hand, even if the arrangement of the seat model 126 is changed, the hip point of the occupant model 84 is not changed. In other words, the occupant model 84 is included in the reference model 80 and reflects the basic packaging of the vehicle, such as visibility conditions and the position of the occupant in the interior space. Like to do.
In addition, the brake pedal and steering wheel may not be automatically linked for safety reasons, so even if the hip point is changed, it will not change and the vehicle planner will adjust it individually. I am doing so.

  In addition, the instrument panel and the door trim are interlocked so that when their arrangement is changed, the shape of the instrument panel and the door trim is aligned with other interiors such as other pillar trims, cowl side trims (lower interior model 114) and console model 124. It is designed to deform.

Next, the function of the simulation image display program 44 will be described with reference to FIG.
FIG. 19 is an example of an image displayed by the simulation image display program according to the present embodiment, and is a diagram illustrating an image of a vehicle model traveling on a virtual road as viewed from the driver's viewpoint.
The simulation image display program 44 (see FIG. 3) replaces the vehicle model with simple numerical data (three-dimensional coordinate data) and, as shown in FIG. 19, displays an image of the simulation vehicle traveling on a virtual road in the virtual space. It has a function to display.

Further, the simulation image display program 44 is an image viewed from the viewpoint (eye point EP) of the driver set in the occupant model 84, an image of the running state of the simulation vehicle viewed from a predetermined viewpoint outside the vehicle, etc. Has a function of displaying. With these images, the vehicle planner can perform an evaluation on the visibility such as visibility and pressure by the driver, and an evaluation combined with the running scenery of the appearance of the vehicle. The vehicle planner can select a virtual space in which the vehicle model runs from the virtual space database 74 included in the database server 4.
In addition, the simulation image display program 44 has a function of displaying the planned vehicle and the benchmark vehicle so as to run side by side in the virtual space, a function of displaying one vehicle in a superimposed manner by making one vehicle translucent at the same position, and Also, it has a function of arranging two screens representing the same virtual space and running them simultaneously.

Next, referring to FIG. 20 and FIG. 21, an example of processing by the vehicle planning support system according to the present embodiment will be described with reference to other diagrams (FIGS. 11 to 19, 22 to 25) and a planning support program The 30 functions will be further described. In the following description, S indicates each step.
20 is a first half of a flowchart showing an example of processing by the vehicle planning support system according to the present embodiment, and FIG. 21 is a second half of a flowchart showing an example of processing by the vehicle planning support system according to the present embodiment. FIG. 23 is a diagram showing a screen of a morphing display setting menu according to the present embodiment, and FIG. 23 is a diagram showing an example of a screen displayed by combining simulation display and two-dimensional morphing display according to the present embodiment. FIG. 25 is a diagram showing an example of an image after changing the shape and size of the pillar portion of the vehicle model displayed by simulation shown in FIG. 19, and FIG. 25 shows the pillar of the vehicle model displayed by simulation according to the present embodiment. It is a figure which shows an example of the image which displayed the image after a change of a part, and the image before a change side by side.

First, as shown in FIG. 20, in S1, the specification value input screen as shown in FIG. 11 and FIG. 12 is displayed, and the vehicle planner selects various information of the vehicle such as the vehicle type and sets the specification value. Make input. Alternatively, the specification value of the base vehicle is read from the benchmark vehicle database 70 according to the instruction of the vehicle planner.
Next, in S2, the specification value data is generated based on the specification value or the like input or read in S1.
Next, proceeding to S3, a morphing display setting menu screen as shown in FIG. 22 is displayed, and the vehicle planner selects a morphing screen to be displayed. In FIG. 22, the three-dimensional view display of the two-dimensional morphing screen is selected. In addition, the vehicle planner selects items related to benchmark vehicles and items related to space area display, which will be described later. The morphing display setting menu screen is displayed by the morphing screen display program 40.
Next, proceeding to S4, two-dimensional or three-dimensional vehicle model data is generated according to the morphing screen selected by the vehicle planner in S3.

Next, proceeding to S5 or S8, a two-dimensional or three-dimensional morphing screen is displayed.
Here, as described above, on the two-dimensional morphing screen, the vehicle model can be effectively and efficiently deformed and repositioned. On the other hand, on the three-dimensional morphing screen, the three-dimensional morphing screen of the vehicle is used. It is easy to grasp the image. Accordingly, here, a description will be given of a case in which the vehicle planning is advanced by first proceeding to S5 to display the two-dimensional morphing screen and then displaying the three-dimensional morphing screen by S8 to grasp the three-dimensional image of the vehicle. .

In S5, a two-dimensional morphing screen as shown in FIGS. 15 to 17 is displayed. The displayed two-dimensional morphing screen allows the vehicle planner to change the shape of each part of the vehicle model and change the arrangement. In S5, the specification value changed by the shape deformation or the change of the arrangement is temporarily stored in the RAM 12 (see FIG. 1).
When the vehicle planner finishes the work on the two-dimensional morphing screen by the vehicle planner, when the vehicle planner presses a transition button to the three-dimensional morphing screen as shown in FIGS. Then, the changed specification values temporarily stored are reflected in the specification value data collectively.
Next, the process proceeds to S7, where vehicle model data for three-dimensional morphing is collectively generated based on the changed specification value data.

In this way, the vehicle model data for the 3D morphing screen is not sequentially generated in the middle of the change work on the 2D morphing screen, but the vehicle model data for the 3D morphing is collectively performed after the work is completed. Is generated.
Here, as described above, the vehicle model of the two-dimensional morphing screen has fewer specification values and rules applied than the vehicle model for the three-dimensional morphing screen. Therefore, when the vehicle model data for the 3D morphing screen is generated sequentially, an error occurs due to inconsistency, for example, the connection surfaces of the bonnet part and the fender part do not match. There is. Accordingly, after the work on the two-dimensional morphing screen is completed, the vehicle model data for three-dimensional morphing is generated in a lump, thereby preventing frequent errors due to inconsistency.
In addition, as described above, the generation of three-dimensional vehicle model data involves a large amount of calculation because all specification values and rules are reflected. Therefore, vehicle planning can be performed efficiently by omitting the time required to calculate the three-dimensional vehicle model data.

Next, proceeding to S8, a three-dimensional morphing screen as shown in FIGS. 13 and 14 is displayed. This screen allows the vehicle planner to confirm the shape of the planned vehicle and the consistency of each model three-dimensionally from various viewpoints. In addition, the vehicle model can be deformed. In S8, if there is a portion where the consistency cannot be obtained as described above, an error display indicating the specific position and reason is displayed (not shown). The vehicle planner can perform operations for ensuring the consistency of each part by looking at the error display.
Next, proceeding to S9, the vehicle planner determines that it is necessary to deform the vehicle again on the two-dimensional morphing screen, and the transition button to the two-dimensional morphing screen as shown in FIGS. 13 and 14 (“ If "Move to 2D" is displayed, the process proceeds to S5, and the two-dimensional morphing screen is displayed again.
In addition, as shown by a broken line in FIG. 20, the vehicle planner first acquires a three-dimensional image of the vehicle in S8 or performs a rough deformation, and then shifts to a two-dimensional morphing screen in S9. It is also possible to work on the two-dimensional morphing screen in S5 by pressing the button.

Next, as shown in FIG. 21, the process proceeds to S10, and the vehicle model is stored as a simulation vehicle.
Next, proceeding to S11, a driving condition setting screen (not shown) is displayed by the simulation image display program 44 (see FIG. 3), and the vehicle planner can select the driving route, sunshine direction, weather, driving speed, turning speed, etc. Set.
Next, proceeding to S12, the virtual space data is read from the virtual space database 74 in accordance with the driving conditions set in S11, and the virtual space data and the simulation vehicle data stored in S10 are obtained. In combination, as shown in FIG. 19, the simulation vehicle is displayed on the virtual road in the virtual space. When the vehicle planner presses a pause button on the screen as shown in FIG. 19, the display is paused. By this temporary stop, the vehicle planner can carefully evaluate the planned vehicle. For example, the vehicle planner can evaluate the visibility of the signal and the pedestrian.

Next, proceeding to S13, when the vehicle planner presses a two-dimensional simulation display button (displayed as “2D morphing display”) on the screen as shown in FIG. 19, the process proceeds to S14, and as shown in FIG. The two-dimensional morphing screen display program 56 displays a two-dimensional morphing screen together with the simulation display. Note that such a two-dimensional morphing screen can be displayed large on the screen alone.
For example, as shown in FIG. 19, when the vehicle planner determines that the pedestrian hides in the A pillar portion including the pillar of the triangular window and has poor visibility, the vehicle planner uses this two-dimensional morphing screen as shown in FIG. 23. The shape of the vehicle model can be changed. For example, in order to improve the visibility with respect to a pedestrian, the arrangement | positioning of the passenger | crew model 84 with respect to a pillar part is changed. Alternatively, a two-dimensional morphing screen showing a cross section of the pillar portion as shown in FIG. 17 is displayed, and the shapes and sizes of the pillar portions of the exterior model 92 and the upper interior model 112 are changed.

When the vehicle planner presses the button for shifting to the simulation display as shown in FIG. 23 after such work is completed, the process proceeds to S15, and the changed specification value is reflected in the specification value data.
Next, proceeding to S16, the simulation image display program 44 changes some numerical data of the simulation model corresponding to the changed portion (for example, the cross-sectional shape of the pillar).

  Next, returning to S12, the changed simulation vehicle is displayed again. In the present embodiment, as shown in FIG. 24, the temporarily stopped screen is re-displayed, and the simulation vehicle model before change as shown by a broken line (actually, displayed as semi-transparent etc.) and shown by a solid line Such a changed simulation vehicle model (normal simulation display) is superimposed and displayed. In addition, as shown in FIG. 25, the simulation vehicle model before a change and the simulation vehicle model after a change can also be displayed side by side, respectively. Further, the simulation display can be started from the paused state or the initial state.

  As described above, since the degree of linkage between the simulation display and the two-dimensional morphing display is increased, the vehicle planner quickly deforms the vehicle model during the simulation display, and further quickly displays the vehicle model after the deformation. It is possible to improve the workability by displaying the simulation. In particular, in the present embodiment, the two-dimensional morphing screen is easy to change only the part that is desired to be changed through three-dimensional view display or cross-sectional view display, and the shape can be easily grasped. Since the calculation time is shorter than the display, the vehicle planning can be advanced efficiently even if the two-dimensional morphing display is performed during the simulation display. Therefore, after the simulation display is completed, the workability is improved more than when the user returns to the specification value input screen or the three-dimensional morphing screen and performs operations such as deformation of the vehicle model.

  Next, in S13, when the vehicle planner determines that it is not necessary to change the vehicle shape or the like, the process proceeds to S17, where the simulation display is terminated, or the processing of S11 to S16 is performed under other traveling conditions. Can be repeated.

  As explained above, the vehicle planner can visually evaluate the driver's visibility and comfort, such as a sense of pressure, through the simulation display, and further greatly reduces the labor and cost of producing a prototype vehicle. I can do it. Moreover, in this embodiment, since a shape change etc. can be performed on a two-dimensional morphing screen, confirming a plan vehicle on a simulation display screen, a vehicle plan can be performed efficiently and effectively.

Next, the overlay display function of the benchmark vehicle of the two-dimensional morphing screen display program 56 will be described with reference to FIGS. FIG. 26 is an example of a side view display of a two-dimensional morphing screen displayed by superimposing an image of a benchmark vehicle on the vehicle model according to the present embodiment.
In addition to the functions described above, the two-dimensional morphing screen display program 56 (see FIG. 3) has a function of displaying a benchmark vehicle to be used as a reference for vehicle planning or to be compared with a vehicle model of the planning vehicle.

  As shown in FIG. 22, the vehicle planner selects a benchmark vehicle in the benchmark vehicle selection item. Benchmark vehicle data is stored in the benchmark vehicle database 70 and can be selected from the database. When a specific vehicle (here, “B vehicle”) is selected, the specification value input program 36 reads the specification values of the vehicle from the benchmark vehicle database 70 in a batch, and the specification other than the planned vehicle. Value data is generated. The vehicle model data generation program 38 generates vehicle model data as simple numerical data to which no rule is applied based on the specification value data.

As shown in FIG. 26, the two-dimensional morphing screen display program 56 (see FIG. 3) displays a benchmark vehicle on the screen as a reference image based on the vehicle model data. In the present embodiment, the benchmark vehicle is displayed translucently (indicated by a virtual line in FIG. 26) and is displayed superimposed on the vehicle model of the planned vehicle.
In addition, the vehicle planner selects a reference position for superimposing the vehicle model of the planned vehicle and the benchmark vehicle on the selection screen shown in FIG. 22 (“front bumper tip” is selected in FIG. 22). As shown in FIG. 26, the benchmark vehicle is displayed superimposed on the selected reference position.

  Here, on the two-dimensional morphing screen, only the predetermined cross section and main shape are displayed, so that the vehicle planner can easily compare the vehicle model of the planned vehicle with the benchmark vehicle by overlaying the benchmark vehicle, Vehicle planning can be promoted more meaningfully. In addition, since the reference position for superimposition can be selected, it is possible to more reliably compare the portions to be compared or referred to.

Next, the functions of range input and range display according to the present embodiment will be described with reference to FIGS. 12 and 27 to 29.
FIG. 27 is an example of a two-dimensional morphing screen that displays a range display together with the vehicle model according to the present embodiment, FIG. 28 is a diagram illustrating a range display setting menu screen according to the present embodiment, and FIG. It is an example of the two-dimensional morphing screen which displays the range display of the some vehicle shape by embodiment.
In the embodiment of the present invention, the specification value input program 36 and the morphing screen display programs 56 and 58 (see FIG. 3) have a range input function and a range display function, respectively, and range values (predetermined by the vehicle planner). In this case, the vehicle shape corresponding to the range value is displayed.
Here, in order to display the vehicle shape, a specification value represented by a certain specific numerical value is required. However, in the vehicle planning stage, for example, it may not be meaningful to specify the numerical value in mm units. In many cases, it may be inconvenient to determine a specific numerical value. Therefore, in the present embodiment, the planning of the vehicle can be effectively advanced by enabling the range input.

First, the range input function will be described with reference to FIG.
In the present embodiment, as shown in FIG. 12, a range input column (range input screen) is displayed on the specification value input screen by the range input function of the specification value input program 36, and the vehicle planner can select each vehicle model. The range value for each specification value can be entered.
Specifically, the vehicle planner can input an upper limit value and a lower limit value, which are ranges that determine the degree of freedom in design, with respect to individual specifications such as the roof height as range values. For example, as shown in FIG. 12, when the roof height is 50 mm higher or lower by 50 mm than the input roof height (RoofHeight) specification value 1500, what kind of image the vehicle shape changes as a whole? If the vehicle planner wants to know, enter “± 50”.
Here, in the range input column, for example, a value difference with respect to a specification value such as “± 50” or “−10 mm to +50 mm” is input. Further, a lower limit value and an upper limit value such as “1720 to 1780” can be input, and in this case, input of the specification value to the specification value input column can be omitted.

Next, the range display function will be described with reference to FIG. 12, FIG. 27 and FIG.
In the present embodiment, as shown in FIGS. 27 and 28, the vehicle model based on the specification value is displayed by the range display function of each morphing display program 56, 58, and the vehicle corresponding to the input range value is displayed. The shape (range display) is displayed.
As shown in FIG. 27, on the morphing screen, the vehicle model A (shown by a solid line) corresponding to the specification value is displayed as a reference display, and the vehicle shape B (shown by a virtual line) at the upper limit value is displayed as a range display. ) And the vehicle shape C (indicated by virtual lines) at the lower limit value are respectively displayed. In the example shown in FIG. 27, the reference display is displayed for the entire vehicle, and the range display is displayed for only a part of the vehicle, that is, the pillar portion and the roof portion.
In FIG. 27, the range display is indicated by a virtual line, but in actuality, it is displayed in a translucent or different color from the reference display (vehicle model). Similarly, on the three-dimensional morphing screen, the range display is displayed translucently, for example.

In the example shown in FIG. 27, three shapes represented by the reference display and the range display are displayed, and the vehicle planner can compare the appearance shapes when the roof heights are different on the same screen. In addition, the range display can be used as a guide for shape deformation of the vehicle model. Further, for example, if the value of the base vehicle is read as the specification value and a range is input to the base vehicle, the comparison with the base vehicle can be made.
In the case of such a comparison, conventionally, the operation of re-inputting the specification value and displaying the morphing screen is repeated, which takes time and is difficult to compare. According to the embodiment of the present invention, since such a comparison can be easily performed, vehicle planning can be advanced efficiently.

Next, as shown in FIG. 28, in such a range display, display ON-OFF can be selected from the range display setting menu.
Further, the upper limit value display and the lower limit value display can be arbitrarily selected by this setting menu, and either or both can be displayed in addition to the reference display. When either the upper limit display or the lower limit display is selected, one range display is displayed with respect to the reference display and can be compared with each other.
It is also possible to hide the reference display (vehicle model) and display only the two range display shapes of the upper limit value and the lower limit value. In this case, the vehicle planner can easily imagine the planned vehicle shape in his / her head within the range of the two shapes of the upper limit value display and the lower limit value display.

  Furthermore, if a plurality of display items are turned ON, it is also possible to display a plurality of range displays within the range of the upper limit value and the lower limit value. As shown in FIG. 28, for example, when a predetermined unit such as four divisions or every 25 mm is input, a plurality of range displays D are displayed in arbitrary units from the upper limit value to the lower limit value as shown in FIG. In the example shown in FIG. 29, a range display indicating a plurality of vehicle shapes D divided into four (or 25 mm units) from the upper limit value to the lower limit value is displayed. In this embodiment, when displaying a plurality of range displays, the reference display is not displayed. Therefore, the vehicle planner can easily compare the plurality of range displays with each other. In the example shown in FIG. 29, the reference display of the pillar part and the roof part is not displayed.

Further, when it is desired to display a shape at a predetermined position on the screen, one or a plurality of range displays can be selected and only the selected vehicle shape can be displayed. In this case, the reference display can be displayed and compared with the selected range display.
Here, when the specification value is not input and the upper limit value and the lower limit value such as “1720 to 1780” are input to the range input column, 1750 which is an intermediate value between the upper limit value and the lower limit value is automatically set. A reference display (vehicle model) is displayed on each morphing screen using the automatically determined specification values.

Next, the regulation of the input of the range value and the change of the specification value will be described.
The range input function and the range display function have a function of restricting input of range values and changes in specification values on each morphing screen.
First, the case where it becomes impossible to input a range value and change a specification value will be described.
In the development of automobiles, for example, the doors and bonnets of existing car types may be carried over. In vehicle planning, it is possible to prevent the development of a vehicle that has been planned but cannot be realized by considering such carry-over.
Therefore, in the embodiment of the present invention, the range input function and the range display function are provided with a function of restricting input of range values related to carryover parts and change of specification values on each morphing screen from being accepted. Yes.

  Specifically, in the specification value input screen shown in FIG. 12, when the vehicle planner turns on the carry-over designation column for each specification item of the parts (for example, doors) to be carried over, this is turned on. “± 0” is displayed in the range input column for the specification value, and the range value cannot be input. Further, when carrying over, the vehicle planner reads the specification values of the parts to carry over from the benchmark vehicle database 70. An input for changing the read specification value is also impossible, and the input by the vehicle planner cannot be accepted together with the range value.

In the specification value data generated by the specification value input program 36, carryover designation information is added to each specification item, and is further reflected in the vehicle model. Accordingly, the specification values specified in the carry-over specification column cannot be changed even on each morphing screen. When the vehicle planner attempts to change the specification value, a warning (not shown) is issued.
In addition, the rule data described above regarding the specification item designated as carry-over is not applied. Therefore, even if the specification value is changed in conjunction with the change of the specification value of other parts based on the rule data, the specification value for which the carry-over designation is ON is not changed in conjunction. It is like that.

In addition, when carrying out a carry over, when changing a one part dimension etc., you may make it receive the change of a specification value. In this case, if a warning is issued, the vehicle planner can know that carryover is designated.
Even if it is not carry-over, there is a case where it is desired to proceed with the subsequent vehicle planning by fixing the specification value of a characteristic part in the design, for example, during the vehicle planning. In this case, if the specification value data is generated after returning to the specification value input screen and turning on the carry-over designation, the change of the specification value relating to that portion is restricted thereafter.

Next, the case where the input of the range value and the change of the specification value are restricted to a predetermined restriction range will be described.
In the development of automobiles, it is necessary to consider regulatory restrictions and vehicle design constraints. For example, as a regulation, the height of the front bumper is subject to restrictions such as domestic and foreign collision safety standards, and the bonnet height may be restricted in relation to the mounting position of the engine in terms of vehicle design. In vehicle planning, it is possible to proceed with development more efficiently by taking such restrictions into consideration, and to prevent the development of vehicles that are not feasible after vehicle planning. I can do it.
Therefore, in the embodiment of the present invention, the range input function and the range display function are provided with a function of restricting the input of the range value and the change of the specification value to be accepted only within the above-described restrictions. Yes.

  Specifically, the regulation value database 72 (see FIG. 3) stores data related to the restriction values for regulation or vehicle design, and the specification value input program 36 uses the range input function to control the regulation value database 72. Referring to the constraint value for each item item of, the input exceeding the constraint value is not accepted. Therefore, the vehicle planner can input the specification value within the numerical value range (restriction range) of the restriction value for each specification item on the specification value input screen shown in FIG. A range value can be input within a range that does not exceed the constraint range for the input specification value. If an attempt is made to enter a numerical value exceeding the restriction range, a warning (not shown) is issued.

In the specification value data generated by the specification value input program 36, this restriction range is also added as data to each specification item, and is further reflected in the vehicle model. Therefore, it is impossible to change the specification value exceeding the restriction range on each morphing screen. When the vehicle planner tries to change the specification value beyond the restriction range, a warning (not shown) is issued.
In addition, in each morphing screen, when a specification value having a constraint range is changed in conjunction with the rule data described above by changing another specification value, the specification value is linked only within the restriction range. It has become. If the restriction range is exceeded based on the rule data, a warning is issued.

Next, a description will be given of a case where the input of the range value and the change of the specification value are restricted to a predetermined specified range determined according to the development stage of the planned vehicle.
In the development of automobiles, generally, the closer the vehicle planning is to the final stage, the narrower the allowable range value for the specification value. For example, the closer to the final stage of the vehicle planning, the more efficiently the vehicle planning can be performed without changing the outer shape or the door shape of the vehicle. In each stage of vehicle planning, the vehicle planning can be effectively advanced by proceeding with the vehicle planning in consideration of such an allowable range.
Therefore, in the present embodiment, such an allowable range is specified in advance, and the range input function and the range display function are regulated so that the input of the range value and the change of the specification value are accepted only within the specified range. It has a function.

Specifically, the regulation value database 72 (see FIG. 3) stores in advance a regulation value that defines an allowable range for the specification value. In the regulation value database 72, for example, data of specified values such as “± 100” in the initial stage 1, “± 50” in the intermediate stage 2, and “± 0” in the stage 3 close to the final stage are stored. ing. Such specified values are set according to each specification item.
On the other hand, as shown in FIG. 11, on the initial screen of the specification value input screen, a selection button for selecting a planning stage such as “stage1” or “stage2” is displayed, and the planning stage is selected by the vehicle planner. The

  With the range input function, the specification value input program 36 refers to the specified value in the restriction value database 72 corresponding to the planning stage selected by the vehicle planner, and does not accept input exceeding the specified value. Therefore, the vehicle planner can input the specification value within the numerical range (specified range) of the specified value for each specification item on the specification value input screen shown in FIG. A range value can be entered within a range that does not exceed the specified range for the entered specification value.

  Even in the regulation by the specified range, as in the regulation by the restriction range by the regulation described above, input of a numerical value exceeding the specified value is not accepted, and such a specified value is added as data to the specification value data. It is also reflected in the vehicle model. Therefore, the specification values that exceed the specified range cannot be changed even on each morphing screen, and are changed in conjunction with the above-described rule data only within the specified range. .

Next, the spatial area display included in the occupant model 84 will be described with reference to FIGS. 22 and 30 to 36.
FIG. 30 is a diagram illustrating an example of a two-dimensional morphing screen that displays an occupant model including a head area display and a boarding / alighting area display that are spatial area displays according to the present embodiment, and FIG. 31 illustrates a spatial area according to the present embodiment. FIG. 32 is a diagram illustrating an example of a two-dimensional morphing screen that displays an occupant model including a head area display and a boarding area display, and FIG. 32 is a head area display and boarding area that is a spatial area display according to the present embodiment. FIG. 33 is a diagram illustrating an example of a three-dimensional morphing screen that displays an occupant model including display, FIG. 33 is a diagram illustrating a modification of the head area display that is a spatial area display according to the present embodiment, and FIG. FIG. 35 is an example of a three-dimensional morphing screen that displays an occupant model including a reach area display that is a spatial area display according to the present embodiment. Is a diagram illustrating a display of a steering operation area display is a space area display according, FIG. 36 is a diagram showing a display of a pedal operation area display is a space area display according to the present embodiment.

  Here, when another model is displayed together with the occupant model on the three-dimensional morphing screen, it is displayed three-dimensionally so that a sense of distance can be obtained from an arbitrary viewpoint. However, when the monitor itself is flat, it is difficult to objectively grasp the space around the head with respect to the roof, pillar, etc., the overhead space with respect to the door opening when getting on and off, and the range where the occupant's arm reaches the steering panel, instrument panel, etc. There is a case. Also, on the two-dimensional morphing screen, it is not possible to evaluate with a hand above the head like an actual vehicle, and similarly, it may be difficult to objectively grasp the distance of the space.

  Therefore, in the present embodiment, as shown in FIGS. 30 to 34, in order to objectively evaluate the size of the space around the occupant model 84 and to evaluate the relative relationship between the occupant model 84 and other models. Furthermore, when displaying the occupant model 84 on each of the 2D and 3D morphing screens, the head area display 130, the boarding / alighting area display 132, the reach area display 134, the steering operation area display 136, and the pedal operation are displayed as the spatial area display. The area display 138 can also be displayed together.

First, the head area display 130 will be described with reference to FIGS. 30 to 33.
As shown in FIGS. 30 to 32, the head area display 130 indicates when the occupant (occupant model 84) is in a normal posture, wakes forward, swings his / her head forward / backward / left / right, etc. The range in which the head moves includes a space at a predetermined distance from the head including the trajectory in which the head actually moves. In this display, the part interfering with the roof or the like can be clearly seen by the difference in brightness, for example, in the display shown in FIG. 32, there is a part 130a having a different brightness near the top of the head. You can see that it is interfering.

Further, as shown in FIG. 33, the head area display 130 can be displayed in several layers. Such hierarchical display can be displayed by arbitrarily designating the mutual distance and the distance from the head. By such display, the head clearance (interval with the roof) can be objectively evaluated depending on which layer display interferes with the roof.
Such a head area display 130 is displayed at a position corresponding to the position after the change when the posture or arrangement (hip point, torso angle, heel point, etc.) of the occupant model 84 is changed.
With such a head area display 130, it is possible to evaluate the overhead space, the degree of interference between the head and the roof, the pillar, etc., the feeling of pressure on the roof, the pillar, etc. felt by the occupant.

Next, the boarding area display 132 will be described with reference to FIGS.
As shown in FIGS. 30 to 32, the boarding area display 132 is displayed in the vicinity of the door opening, and indicates a range through which the top of the head of the occupant model 84 passes. This boarding / alighting area display 132 can also be displayed hierarchically in the same manner as the head area display 130, and FIGS. 30 to 32 show examples of hierarchical display.
This display is displayed as a curved surface, and includes a passing position when the occupant descends forward and the upper body descends in a relatively upright posture. This display is displayed at a position linked to the layout of the occupant model 84.
As described above, the overhead area display 132 evaluates the overhead space (interval between the roof and the pillar) and the interference between the head and the roof and the pillar in the same manner as the head area display 130 described above. I can do it.

Next, the reach area display 134 will be described with reference to FIG.
As shown in FIG. 34, the reach area display 134 is displayed in front of the occupant model 84, and indicates a range that can be reached when the occupant (occupant model 84) substantially extends his arm forward and moves it up, down, left and right. It is shown. In FIG. 34, it can be seen that the hand does not reach the steering 84b. This display can also be divided into several layers in front of the occupant by a predetermined distance in consideration of the arm length according to the size of the occupant (not shown). This display is also displayed at a position linked to the posture or the like of the occupant model 84, similarly to the head area display 130 described above.
Thus, the reach area display 134 can evaluate the operability and ease of use of the occupant with respect to the steering 84b, shift lever (not shown), instrument panel instrument (not shown), and the like.

Next, referring to FIGS. 35 and 36, the steering operation area display 136 and the pedal operation area display 138 will be described.
As shown in FIG. 35, the steering operation area display 136 is displayed so as to be superimposed on the steering 84b, and the steering operation area display 136 can evaluate the steering operability of the steering itself such as the steering angle and the steering center. .
Also, as shown in FIG. 36, the pedal operation area display 138 is superimposed on the pedal 84c and displayed in the vicinity thereof. By this pedal operation area display 138, the pedal operation space, pedal height, and pedal inclination of each pedal are displayed. It is possible to evaluate the operability of the pedal itself, such as the angle, the pedal trajectory, and the step between each pedal. For example, the pedal angle is displayed in conjunction with the angle of the ankle when the occupant's hip point is raised or lowered.

Next, the setting menu for the space area display will be described with reference to FIG.
As shown in FIG. 22, it is possible to select ON / OFF of each display described above using a morphing display setting menu. In this case, the head area display 130, the boarding / alighting area display 132, the reach area display 134, the steering operation area display 136, and the pedal operation area display 138 can be arbitrarily selected and displayed.
Further, ON / OFF of the hierarchy display can be selected, and the relative distance to the occupant model 84 (distance to the head, the distance to the base of the arm, etc.) and the mutual interval of the hierarchy display when the hierarchy display is performed, respectively. Can be entered numerically.

Next, the function of the history registration display program 42 will be described with reference to FIGS. The history registration display program 42 (see FIG. 3) mainly has a history registration function, a history search function, and a history notification function.
First, the history registration function will be described with reference to FIGS.
FIG. 37 is a diagram showing a registration specification value input table by the history registration function of the history registration display program according to the present embodiment of the present invention. FIG. 38 shows the history registration function of the history registration display program according to the present embodiment. It is a figure which shows a log | history registration menu.

The history registration function, when the vehicle planner sets a specification value with a certain purpose, registers the set specification item, the set specification value, the setting purpose, the setting reason, etc. as history data in the history database 76. It is a function that enables you to do it.
Here, when the vehicle planner wants to set a certain specification value, what value should be used, or other specification value related to the specification value to be set? There is a case where it has know-how such as what value should be set. Further, the vehicle planner may have the know-how that, when trying to change and set a certain specification value, other specification values should or should be changed. For example, when the hip point is changed, the pillar position and the belt line position may be changed together.

Such know-how is based on some purpose and reason, for example, to maintain the balance of the appearance of the vehicle in order to secure the field of view, and has more expertise as an expert in vehicle planning and design. In the present embodiment, such a know-how can be registered by the history registration function, and the vehicle searcher can refer to such know-how according to the purpose and use it for the vehicle planning by the history search function. ing.
Specifically, when the vehicle planner inputs a specification value on the specification value input screen (including the case of inputting the value first and the input of the changed value after the input), or each morphing screen In the case of changing the specification value, the history specification display program 42 can display a registration specification value input table as shown in FIG. Specification items, specification values, and the like are set using the registration specification value input table.

First, one or a plurality of specifications (specification items) to be set are arbitrarily input. In particular, when changing the specification value, in addition to the specification value to be changed, other specification values that should be changed in relation to each other can be set together. These specification items can be automatically selected and input from a specification item list screen (not shown) divided by category such as exterior dimensions, interior dimensions, and visibility conditions. In FIG. 37, six items are input.
When the specification value is initially input, the specification value is input for the set specification item. In addition, the specification values already set in the specification value input table (see FIG. 12) or specification value data are automatically read, and the vehicle planner can read these specification values. To change. Each morphing screen may be displayed and the specification value may be changed on the morphing screen. In this case, the changed specification value is automatically read into the registration specification value input table.

Next, the vehicle planner inputs the name of the planned vehicle ("SE3P" is input in FIG. 37), and when there is a vehicle to be referred to in setting the specification value. Then, data such as a benchmark vehicle is read from the benchmark vehicle database 70. In FIG. 37, the data of the A car and the B car are read.
After setting the specifications and specification values, the history registration display program 42 can display a history registration menu as shown in FIG. From this history registration menu, the vehicle planner inputs the setting items (input purpose, change purpose) and the setting reasons (input reason, change reason) of the specification items and specification values.

For the setting purpose, any purpose such as problem resolution or situation improvement is input. For example, “Reducing pressure” is input. For setting reasons, specific ideas and know-how are input in order to achieve the purpose. For example, “the height of the roof is increased to eliminate the pressure sensation. In that case, the pillar inclination angle is decreased to maintain the design balance of the appearance” is input.
Also, if it is better not to change the specification value as a reason for setting, or there is a specification value that should not be changed, enter the reason (reason for prohibiting specification value change). May be. For example, “I lower the belt line but do not lower the cowl point to secure the engine room” is entered.

In the history registration menu, a data name is input. As the data name, a setting purpose that has already been input may be registered.
Further, in the history registration menu, the vehicle type (“minivan”, etc.), class (“B segment”, etc.), and development stage (“stage1”, etc.) of the planned vehicle are selected. Further, in the history registration menu, the name of the vehicle plan, the name of the vehicle planner, the contact information, and the work date and time are input.

After completion of these inputs and selections, when the “Register” button as shown in FIG. 38 is pressed, the set item item, the set item value, the specification value before change, the name of the planned vehicle, the name of the reference vehicle Information entered or selected in the history registration menu is registered in the history database 76 as history data.
In this history data, when a plurality of specification values are set, a related specification change consisting of a set of specification items, corresponding specification values, setting purpose, and setting reason Data is also included. Therefore, other vehicle planners can know that it is necessary to change a plurality of specification values in order to achieve a certain purpose by referring to the related specification change data by search or notification. A vehicle planner who does not have know-how can also perform vehicle planning effectively.

Next, the history search function will be described with reference to FIGS.
FIG. 39 is a diagram showing a history search menu by the history search function of the history registration display program according to this embodiment of the present invention, and FIG. 40 shows the history search function and history of the history registration display program according to this embodiment of the present invention. It is a figure which shows an example of the log | history list screen displayed by an alerting | reporting function.
The history search function is a function that enables a vehicle planner to search history data. When the vehicle planner searches the history data stored in the history database 76, a history search menu as shown in FIG. 39 can be displayed by the history search function. In this history search menu, it is possible to search by inputting a keyword. In FIG. 39, “Visibility” is input, and selection is made such that all data are searched. Search items can be narrowed down. Select each item (data name (registered name), setting purpose, planned vehicle name (registered vehicle), project name), and search by narrowing down the data from these items. You can also.

When the “Search” button is pressed, a history list screen as shown in FIG. 40 is displayed. In this history list screen, the data name, setting purpose and setting reason of each history are displayed, and when the detailed display button is pressed, other details such as the set item, specification value, vehicle type, development stage, etc. are displayed. It can be done.
Also, a related specification change data reference button is displayed, and when this button is pressed, the set specification items and specification values are in the same format as the above-described registration specification value input table (see FIG. 37). A setting purpose and a setting reason are also displayed. In this case, the specification value before the change is displayed together with the specification value after the change, and the process of the change can be viewed as a history. For example, the specification value before the change is displayed in parentheses next to the specification value after the change.
With such a history search function, for example, when the vehicle planner wants to improve the front view, the history data registered with respect to the front view can be referred to and used for vehicle planning.

Next, the history notification function will be described with reference to FIGS.
FIG. 41 is a diagram showing a history notification setting menu by the history notification function of the history registration display program according to this embodiment of the present invention, and FIG. 42 shows the history notification function of the history registration display program according to this embodiment of the present invention. It is a flowchart for demonstrating a function.
The history registration display program 42 has a function of referring to the history database 76 in conjunction with the specification value input program 36 and the morphing screen display programs 56, 58, so that the vehicle planner can input the specification value input screen and each morphing screen. When the specification value is changed, a history notification function for notifying history data related to the change is provided.

  When the vehicle planner starts vehicle planning, the history notification setting menu as shown in FIG. 41 can be displayed by the history notification function. In this history notification setting menu, ON or OFF of the notification function (know-how assist function) is selected. Further, as the assist warning item condition, it is selected whether the target of the data to be notified is limited to the vehicle type / class, the registration time, the specification item to be notified, and the registrant. When all the specification data is to be notified, NO is selected. When narrowing down the target, the vehicle type, specification items, and the like are specifically selected on the same screen (not shown) as the above-described history registration menu (see FIG. 38).

FIG. 42 shows an execution step of the history notification function of the history registration display program 42 when a vehicle planner changes a specification value on the specification value input screen or each morphing screen. S indicates each step.
As shown in FIG. 42, in S1, it is determined whether the know-how assist function is ON or OFF, and if it is OFF, the subsequent steps are not performed.
If the know-how assist function is ON, the process proceeds to S2, and the presence / absence of history data regarding the changed specification value is determined. Specifically, it is determined whether or not a specification item that matches the specification item of the specification value changed by the vehicle planner is registered in the registered history data.

If there is such data, the process proceeds to S3, and it is determined whether or not the assist warning item condition selected on the menu screen shown in FIG. If there is no corresponding data in S2 or S3, the know-how information is not notified.
If there is corresponding data, the process proceeds to S4 to notify the corresponding history data. In the present embodiment, as the history data notification, a history list screen as shown in FIG. 40 is displayed as in the history search function described above. On this history list screen, as described above, in addition to the data name, setting purpose, and setting reason, the history details and related specification change data can be viewed.

  By such a history notification function, when a vehicle planner changes a certain specification value, it can know that other specification values need to be changed or should be changed. For example, when the vehicle planner increases the roof height to ensure forward visibility, it is possible to know know-how that it is better to change the pillar inclination angle from the viewpoint of vehicle body rigidity by history notification, It can be used for subsequent vehicle planning.

1 is a block diagram showing a basic configuration of a vehicle planning support system according to an embodiment of the present invention. It is a perspective view which shows the basic composition of the monitor apparatus for evaluation contained in the vehicle planning support system by this embodiment. It is a figure which shows the structure of the plan support program of the vehicle plan support system by this embodiment, the structure of a database, and the conceptual flow of data. It is a figure for demonstrating each model contained in the vehicle model by this embodiment. It is a figure which shows an example of the main dimension model (a) of a reference | standard model by this embodiment, a passenger | crew model (b), and an underbody model (c). It is a figure which shows an example of the exterior model of the external appearance model by this embodiment. It is a figure which shows an example of the door model (ac) of the external appearance part model by this embodiment, and a glass model (d). It is a figure which shows an example of the upper interior model (a) and the lower interior model (b) of the interior model by this embodiment. It is a figure which shows an example of the instrument panel model of the interior part model by this embodiment, a console model, and a seat model. It is a figure which shows an example of the vehicle model which combined the passenger | crew model, external appearance model, and interior model by this embodiment. It is a figure which shows the initial screen of the item value input screen by this embodiment. It is a figure which shows the numerical value input screen of the item value input screen by this embodiment. It is an example of the three-dimensional morphing screen which displays the vehicle model by this embodiment. It is an example of the three-dimensional morphing screen which displays the vehicle interior of the vehicle model by this embodiment. It is an example of the side view display (a) of the two-dimensional morphing screen which displays the vehicle model by this embodiment, a top view display (b), and a front view display (c). It is another example of the side view display of the two-dimensional morphing screen which displays the vehicle model by this embodiment. It is an example of the cross-sectional view display of the two-dimensional morphing screen which shows the cross section of the pillar part of the vehicle model by this embodiment. It is a figure for demonstrating the master-slave relationship of the rule applied between the vehicle models by this embodiment. It is an example of the image displayed by the simulation image display program by this embodiment, and is a figure which shows the image which looked at the mode that a vehicle model drive | works on a virtual road from the viewpoint of a driver | operator. It is the first half of the flowchart which shows an example of the process by the vehicle plan assistance system by this embodiment. It is the second half of the flowchart which shows an example of the process by the vehicle plan assistance system by this embodiment. It is a figure which shows the screen of the morphing display setting menu by this embodiment. It is a figure which shows an example of the screen where the simulation display by this embodiment and the two-dimensional morphing display were displayed collectively. It is a figure which shows an example of the image after changing the shape and magnitude | size of the pillar part of the vehicle model displayed by simulation shown in FIG. It is a figure which shows an example of the image which arranged and displayed the image after the change of the pillar part of the vehicle model by which simulation display was carried out by this embodiment, and before a change. It is an example of the side view display of the two-dimensional morphing screen on which the image of the benchmark vehicle was superimposed and displayed on the vehicle model by this embodiment. It is an example of the two-dimensional morphing screen which displayed the range display with the vehicle model by this embodiment. It is a figure which shows the screen of the range display setting menu by this embodiment. It is an example of the two-dimensional morphing screen which displays the range display of the several vehicle shape by this embodiment. It is a figure which shows an example of the two-dimensional morphing screen which displays the passenger | crew model containing the head area display and boarding / alighting area display which are space area displays by this embodiment. It is a figure which shows an example of the two-dimensional morphing screen which displays the passenger | crew model containing the head area display and boarding / alighting area display which are space area displays by this embodiment. It is a figure which shows an example of the three-dimensional morphing screen which displays the passenger | crew model containing the head area display and boarding / alighting area display which are space area displays by this embodiment. It is a figure which shows the modification of the head area display which is a space area display by this embodiment. It is an example of the three-dimensional morphing screen which displays the passenger | crew model including the reach area display which is a space area display by this embodiment. It is a figure which shows the display of the steering operation area display which is a space area display by this embodiment. It is a figure which shows the display of the pedal operation area display which is a space area display by this embodiment. It is a figure which shows the item value input table for registration by the log | history registration function of the log | history registration display program by this embodiment of this invention. It is a figure which shows the log | history registration menu by the log | history registration function of the log | history registration display program by this embodiment. It is a figure which shows the log | history search menu by the log | history search function of the log | history registration display program by this embodiment of this invention. It is a figure which shows an example of the log | history list screen displayed by the log | history search function and log | history alerting | reporting function of the log | history registration display program by this embodiment of this invention. It is a figure which shows the log | history alerting setting menu by the log | history alerting | reporting function of the history registration display program by this embodiment of this invention. It is a flowchart for demonstrating the function of the log | history alerting | reporting function of the log | history registration display program by this embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle plan support system 6 Evaluation monitor apparatus 28 Flat screen 36 Specification value input program 38 Vehicle model data generation program 40 Morphing screen display program 42 History registration display program 44 Simulation image display program 56 Two-dimensional morphing screen display program 58 Three-dimensional Morphing screen display program 80 Reference model 82 Main dimension model 84 Crew model 86 Underbody model 90 Appearance model 92 Exterior model 100 Exterior part model 102 Door model 104 Glass model 110 Interior model 112 Upper interior model 114 Lower interior model 120 Interior part model 122 Instrument panel model 124 Console model 126 Seat model 130 Head area display 132 Boarding / exiting Rear display 134 Reach area display 136 Steering operation area display 138 Pedal operation area display

Claims (6)

A vehicle planning support system that supports vehicle planning by displaying a vehicle model on a screen, and displays various specification value input screens for inputting specification values including dimensions and angles in the vehicle model. Original value input screen display means,
Morphing screen display means for displaying the vehicle model as a deformable vehicle model based on the specification value input on the specification value input screen by a morphing screen,
The vehicle model includes an occupant model that defines the arrangement and posture of the occupant,
When displaying the occupant model, the morphing screen display means displays a spatial area display for evaluating the size of the space around the occupant model superimposed on the vehicle model in correspondence with the occupant model. It has a display means,
The vehicle area support means displays the space area display as a hierarchy display divided into a plurality of hierarchies having a predetermined mutual interval .   The space area display includes a boarding / alighting area display indicating a space through which the head of the occupant model passes, and the space area display means displays the boarding / alighting area display in a region of the door opening of the vehicle model. The vehicle planning support system according to claim 1.   3. The space area display includes a reach area display indicating a space that can be reached by the occupant model, and the space area display means displays the reach area display on the front side of the occupant model. The vehicle planning support system described.   The space area display includes a head space area display indicating a space in which the head moves when the occupant model is seated, and the space area display means displays the head space area display above the occupant model. The vehicle planning support system according to any one of claims 1 to 3. Furthermore, it has a morphing screen display setting means for inputting the mutual interval of the hierarchy in the hierarchy display,
5. The vehicle planning support system according to claim 1, wherein the space area display unit displays the hierarchical display at a mutual interval input to the morphing screen display setting unit .   The vehicle planning according to any one of claims 1 to 5, wherein the morphing screen display means displays or hides the spatial area display based on an input display / non-display instruction of the spatial area display. Support system.

Images