JP2003006238A - Design evaluation support system for vehicle window parts - Google Patents

Abstract

[PROBLEMS] To provide a design evaluation support system capable of easily and quickly obtaining a characteristic analysis result based on a shape design of a vehicle window member. A customer can access a reception server computer 2 by using a terminal device 5, and transmits the designed vehicle glass shape data, analysis characteristic item information, and analysis condition information to request analysis. . The reception server computer 2 determines the corresponding analysis device 1- 1 based on the received information.
1, 1-2,..., 1-n are instructed to analyze. The analysis devices 1-1, 1-2,..., 1-n analyze various characteristics of the designed vehicle glass by simulation using a computer. The analysis result is stored in the analysis result database and transmitted to the terminal device 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a design evaluation support system for supporting the design evaluation of vehicle window members represented by automobile glass by using a computer.

[0002]

2. Description of the Related Art Advances in metal processing technology and CAD (Comput
er Aided Design) Vehicle design is becoming more diverse due to improvements in system performance. Along with this, the shapes of glass for vehicle windows are diversifying. However, the glass shape is not only moldability and strength, but also the visibility and perspective distortion.
The glass with the designed shape cannot always be used as it is because it has a great influence on the optical characteristics such as the internal reflection, the possibility of being attached to the glass hatch, and the wiper wiping performance. Therefore, it is necessary to accurately analyze the characteristics according to the shape and evaluate the design.

An apparatus for performing the above-mentioned design evaluation by utilizing characteristic analysis by computer simulation is
Various proposals have been made (JP-A-11-211425, JP-A-9-96587, JP-A 2001-60).
No. 209, etc.) did not easily evaluate glass having a designed shape in consideration of a plurality of characteristics. Further, since it takes a certain amount of time to execute the simulation, it has not been possible to meet the demand for immediate acquisition of the characteristic analysis result.

[0004]

The present invention has been made in view of the above circumstances, and a design evaluation support system capable of easily and quickly obtaining a characteristic analysis result based on a shape design of a vehicle window member including glass. It is intended to provide.

[0005]

A design evaluation support system of the present invention is for supporting the characteristic evaluation of a vehicle window member whose shape is designed by a user through a communication line, and The reception server computer includes a reception server computer that is connected and that receives a characteristic analysis request for the vehicle window member, and an analysis device that analyzes the characteristic of the vehicle window member using the shape data of the vehicle window member. Receives the characteristic analysis request from the terminal device connected to the communication line, instructs the analyzing apparatus to perform the characteristic analysis of the vehicle window member based on the received information, and performs the characteristic analysis by the instruction. The result is transmitted to the terminal device.

Further, the reception server computer in the design evaluation support system of the present invention communicates at least the shape data of the vehicle window member to be evaluated, the analysis item information designating the characteristic to be analyzed, and the analysis condition information. The information is received from the terminal device via a line, the analysis device is instructed to perform analysis based on the received information, and the analysis result information obtained by the analysis device is transmitted to the terminal device.

The analysis result information output by the design evaluation support system of the present invention includes design change proposal information for improving the characteristics.

The design evaluation support system of the present invention further has a characteristic analysis result information by the analysis device and an analysis result database which holds at least a part of the shape data in association with each analysis result information. The reception server computer receives at least a part of the shape data of the vehicle window member to be evaluated from the terminal device via the communication line, and analyzes the received shape data or similar shape data. The result information is retrieved from the analysis result database, and the retrieved analysis result information is transmitted to the terminal device.

The design evaluation support system of the present invention is
As the shape data stored in the analysis result database, shape data indicating characteristics of the shape of the vehicle window member is used.

Further, the design evaluation support system of the present invention is
Further, the analysis result database holds the usage status information of the design shape data in association with the characteristic analysis result information.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings, taking support for design and evaluation of vehicle glass as an example. FIG. 1 is a diagram showing a schematic configuration of an embodiment of the present invention, in which a reception server computer 2 connected to a network 4 and analysis devices 1-1, 1-2, ..., 1-
n, the analysis result database 3, and the terminal device 5. The customer is a terminal device 5 that can be connected to the network 4.
Can access the reception server computer 2 and display the shape data of the designed vehicle glass, the analysis characteristic item information for designating the characteristic to be analyzed, and the analysis condition information required for each designated analysis item. Send and analyze device 1
-1, 1-2, ..., 1-n are received.

Analysis devices 1-1, 1-2, ..., 1-n
Is for analyzing various characteristics of the designed vehicle glass by simulation using a computer, and may be configured by using another computer depending on the characteristics to be analyzed, or a plurality of analysis programs may be used. It may be configured by using one computer that executes the program. The characteristics analyzed by the analysis device include the formability of glass for vehicles, strength, optical characteristics, water repellency, visibility of low-reflection glass, glass hatch assemblability, in-vehicle thermal characteristics, antenna characteristics of window member built-in antenna, and sound insulation. The characteristics are illustrated.

The formability of glass for vehicles is to obtain the feasibility of the forming process by performing a simulation of forming process for forming a flat surface glass to obtain a curved glass based on design shape data and the like. The optical characteristics of vehicle glass include perspective distortion characteristics, visual field characteristics, and internal reflection characteristics, and each characteristic is simulated and analyzed based on the shape data when molding is performed based on the design shape data. The same applies to the glass hatch assembling property, the in-vehicle heat and heat characteristics, the antenna characteristics of the window member built-in antenna, and the structural strength characteristics. Note that various methods have been proposed for computer-aided simulation analysis of these characteristics and can be appropriately adopted, so description thereof will be omitted.

Analysis devices 1-1, 1-2, ..., 1-n
The analysis result output method can be selected according to the analysis item, and a method using an image can also be used. In particular, it is preferable to use the animation output as the analysis result of the optical characteristics in addition to the numerical information. For example, the visual field from the set viewpoint of the driver is simulated and displayed on the terminal device 5.

The reception server computer 2 receives an analysis request from the terminal device 5 via the network 4, and at the time of reception, design data such as vehicle glass shape data to be analyzed, analysis characteristic item information, and analysis conditions. Receive information. CAD data is preferably used as the design data. Then, based on the received analysis characteristic item information, a corresponding analysis device 1-1, 1-2, ..., 1-n is selected to instruct the analysis, and necessary design data and analysis condition information are transmitted. To do. Analysis devices 1-1, 1-2,
When 1-n finishes the analysis, the analysis result information is received, stored in the analysis result database 3, and transmitted to the terminal device 5. When transmitting the analysis result information, it is possible to notify the customer of the end of the analysis by e-mail and to transmit it in response to a reference request from the terminal device 5 by the customer.

The reception server computer 2 also responds to the analysis progress status confirmation request, the past analysis result information search request, and the reference request from the customer. For the past analysis result information, not only the search by the request number etc. but also similar design data can be searched and the analysis result information can be referred to.
In addition, it is preferable that the various information from the terminal device 5 be acquired by transmitting the input menu screen information to the terminal device 5.

The analysis result database 3 is the analysis device 1-
The characteristic analysis result information of 1, 1-2, ..., 1-n is held, and the corresponding analysis result information can be searched by the analysis requester, request number, or the like. Further, the analysis result database 3 holds respective analysis condition information and design data corresponding to the analysis result information, and it is also possible to search for similar design data. The design data held in the analysis result database does not have to be all the design data used for the analysis, and only a part of the shape data showing the characteristics of the glass shape is sufficient. Further, the analysis result database 3 has an area for recording the usage status information of the design shape data for each analysis result, and the customer or the reception server administrator can record the usage status as needed. The usage status information includes information that assists the evaluation of analysis results such as the adoption status of the design shape data and the design change status, and the customer can quickly evaluate the design data by referring to this information. You can

The terminal device 5 is used by the customer to request the characteristic analysis of the vehicle glass, and can be connected to the reception server computer 2 via the network 4. The network 4, which is a means of connecting the terminal device 5 and the reception server computer 2, uses a WAN (Wide Area Network) such as the Internet or a public line (analog line or ISDN (Integrated Services Digital Network) line) or a dedicated line. Any LAN (Local Area Network) may be used.

FIG. 2 shows a schematic flow of the operation of the system shown in FIG. When requesting a characteristic analysis of vehicle glass, the customer logs in to the reception server computer 2 using the terminal device 5 (step 201). Login is performed by entering the customer ID and password.

When logged in, the reception server computer 2 displays a screen 300 as shown in FIG. 3 on the terminal device 5 and prompts the user to select the requested item (step 202). Request items are selected, necessary data is input, and a processing request is transmitted to the reception server computer 2 (step 2).
03), the reception server computer 2 and the analysis device 1-
1, 1-2, ..., 1-n execute the requested processing (step 204). At the end of the process, the customer
The processing result is received using the terminal device 5 and referred to (step 205).

Referring to FIG. 4, in step 202 of FIG.
6 shows a schematic operation flow when a new analysis request 301 is selected. The customer inputs the data required for the analysis request in step 401. Data is input using the screens shown in FIGS. 5, 6, and 7 transmitted from the reception server computer 2.

In the screen 500 of FIG. 5, the CAD data file name for specifying the design data and the model name (development code) of the analysis target are input in the areas 501 and 503, respectively. Also, the type of glass used is
Selected by checking the areas 504 to 508,
Area 509 is the analysis item information that specifies the characteristics to be analyzed.
~ Selected by checking region 514. And
By pressing the OK button 515, the input or selected information is transmitted to the reception server computer 2. Here, when the glass forming examination and the optical characteristics are input by checking the regions 509 and 510, the input of additional data is further prompted by the screens of FIGS. 6 and 7.

The area 502 is an input field for inputting an encryption key known only to the customer (not known to the administrator of the reception server 2). From the terminal device 5 to the reception server 2
The information directly used for analysis (the CAD data of the vehicle body, analysis conditions, etc.) among the information transmitted to the reception server 2 is encrypted by this encryption key and the encryption processing program incorporated in the terminal device 5. Sent. Reception server 2
Analyzes the information in an encrypted state by the analysis device 1-
1, 1-2, ..., 1-n, and the analysis device 1-
1, 1-2, ..., 1-n perform numerical analysis after decoding using a built-in decoding processing program.
The analysis result is encrypted again with the same encryption key, stored in the analysis result database 3, and then read by the terminal device 5 and decrypted in response to the request from the customer. Thus, by encrypting the information directly used for the analysis until just before the numerical analysis is performed, it is possible to avoid leaking highly confidential information such as CAD data of the vehicle body to the outside.

A screen 600 in FIG. 6 is an additional data input screen for molding consideration, and the analysis item information, CAD data file name, and analysis input on the screen 500 are respectively displayed in the areas 601, 602, and 603. The target model name (development code) is displayed. As additional data, a glass plate thickness is input to the area 604, a file name specifying detailed supplementary information of the design data is input to the area 605, and the analysis result output method is selected by checking the areas 606 to 608. Then, by pressing the OK button 609, the input or selected information is transmitted to the reception server computer 2.

A screen 700 of FIG. 7 is a screen for inputting additional data for optical characteristics, and includes a region 701 and a region 70.
2. In the area 703, the analysis item information, the CAD data file name, and the model name (development code) of the analysis target input on the screen 500 are displayed. As additional data,
A region 704 has a glass plate thickness, a region 705 has a file name for specifying detailed supplementary information of design data, and regions 706 to 7
Information indicating the viewpoint position of the driver inside the vehicle is input to 08. The reception server computer 2 inputs in advance the file name that specifies the previously input information, in this example, the glass plate thickness and the detailed supplementary information of the design data, and corrects it if necessary. Areas 709 to 711 are areas for selecting viewpoints to be evaluated by analyzing optical characteristics. Here, the “legal conformance” is to obtain an output as to whether the visibility obtained by the analysis result conforms to the regulation, and the “perspective distortion animation” means that the perspective distortion is evaluated by animation. "Dynamic distortion" is an evaluation of a dynamic change rate of perspective distortion. The same applies in that the OK button 712 is pressed and the input or selected information is transmitted to the reception server computer 2.

When all the data necessary for the analysis is transmitted by the above procedure (step 402), the reception server computer 2 transmits the analysis request confirmation information as shown in the screen 800 of FIG. Ask for confirmation (step 40)
3). CAD data file name of area 801, area 80
The model name (development code) of the analysis target of No. 2 and the characteristic items to be analyzed in the areas 803 and 805 are the screen 500 of FIG.
It has been entered in. In addition, "Details" button 804
And 806 are the screen 600 of FIG. 6 and the screen 700 of FIG.
It is for confirming the information entered in. Area 80
The reception date is displayed in 7, and the desired delivery date is set in the area 808. As for the desired delivery date, it is preferable to display a scheduled date in advance and correct it if necessary.

After confirming the request contents on the screen 800 of FIG. 8,
When the processing request is transmitted by pressing the "OK" button 809 (step 404), the reception server computer 2 transmits the reception completion information (step 405), and FIG.
The reception request information is displayed on the screen 900 as shown in FIG. CAD data file name in area 901, area 90
The model name (development code) to be analyzed in 2, the characteristic items to be analyzed in the areas 903 and 904, the reception date in the area 905, and the desired delivery date in the area 906 are the contents input or selected by the client. The e-mail address in the area 907 is an address to send an e-mail indicating that the analysis is completed at the end of the analysis, and a registered address is displayed. To change the address, the address change button 908 is pressed to display a change screen (not shown), and the address is changed. An area 909 is an area for presenting a reception number, and the reception number is used for inquiring about the progress status, acquiring analysis result information, and the like. When the e-mail address is not changed, the “Return” button 910 is pressed to end the analysis request process.

After that, the reception server computer 2 analyzes the analysis devices 1-1, 1-2, ... In accordance with the characteristic items to be analyzed.
.., 1-n are instructed to analyze (step 406), and necessary data such as CAD data and analysis conditions are transmitted. The analysis devices 1-1, 1-2, ..., 1-n perform necessary analysis processing based on the transmitted data (step 407), and when the analysis is completed, the analysis result information is received by the reception server computer 2 (Step 408).
The reception server computer 2 registers the received analysis result information and design data in the analysis result database 3 (step 409). The analysis result information and the design data may be registered by each of the analysis devices 1-1, 1-2, ..., 1-n, and a registration completion notification may be transmitted to the reception server computer 2.

When the analysis is completed, the reception server computer 2 sends an analysis completion notice to the customer using e-mail (step 410). Therefore, the customer connects the terminal device 5 to the reception server computer 2 and outputs the analysis result. You will be able to refer to the information.

When the request analysis progress confirmation 302 is selected in step 202 of FIG. 2, a progress search condition input screen 1000 as shown in FIG. 10 is displayed, and an area 1001 is displayed.
It is possible to search by any one of a reception number, an analysis request date, a user ID input in the area 1003 or a combination thereof. When the user ID is designated as “ABC1000” and the “OK” button 1004 is pressed, for example, the progress status search result list 110 as shown in the screen 1100 of FIG. 11 is displayed.
1 is obtained. Of the receipt numbers displayed in this list 1101, for the finished ones, the corresponding area of the result reference column 1102 is continuously checked and “Return” is displayed.
It is preferable that the analysis result can be referred to by pressing the button 1103.

When the analysis result reference 303 is selected in step 202 of FIG. 2, an analysis result search condition input screen 1200 as shown in FIG. 12 is displayed, and an area 1201 is displayed.
It is possible to refer to the analysis result retrieved by any one of a receipt number, an analysis request date, a model (development code) name, a user ID input in the area 1204. When the user ID is designated as “ABC1000” and the “OK” button 1205 is pressed, for example, an analysis search result 1301 as shown in the screen 1300 of FIG. 13 is obtained.

Here, when referring to the acceptance number “AAV2008”, the corresponding area 130 of the result reference column 1302
Check 3 and press the "Return" button 1304. The screen 1400 of FIG. 14 shows a receipt number “AAV200.
Information indicating the registered content of the analysis result of "8" is displayed. The characteristic item analyzed in the areas 1401 and 1402, the model name (development code) of the analysis target in 1403, the receipt number in the area 1404, and the analysis in the area 1405. Result selection information is displayed. In the example of the screen 1400, the reception number “AA
The analysis of “V2008” is performed on the molding study and the optical characteristics, and the analysis result information shown in the area 1405 is registered. It should be noted that each piece of analysis result information is registered as a file in the format indicated by the added mark.

If it is desired to refer to the molding examination result table, check the area 1406 and click the "OK" button 140.
When 7 is pressed, a screen 1500 showing the analysis result shown in FIG. 15 is displayed.
Is displayed. In the area 1501 of the screen 1500, the analysis result output method or the viewpoint of analysis is displayed.
2 and area 1503 display the model name (development code) of the analysis target and the receipt number. A molding examination result table is displayed in the area 1504. The area 1505 presents design change proposal information when there is a problem in the design data requested for analysis as a result of the analysis (in the example of FIG. 15, there is a problem in the feasibility of the molding process) and a design change is necessary. Area.

Since the analysis result reference 303 selected in step 202 of FIG. 2 refers to the result of the analysis based on the design data, it requires a predetermined analysis execution time after presentation of the design data. , Design evaluation cannot be performed by referring to the results of immediate analysis. However, it is important to know the possibility of adopting the designed shape as soon as possible in order to advance the design, and especially when shortening the development period is required. Therefore, in this system,
In step 202 of FIG. 2, similar data search 304
By selecting, the analysis result information based on the similar shape data can be searched.

When the similar data search 304 is selected in step 202 of FIG. 2, the search condition is set on the similar search condition setting screen. Screen 1600 of FIG.
Is for setting and searching the range of the characteristic data of the glass shape. For each item 1601 as the search condition,
A lower limit value input area 1602 and an upper limit value input area are provided. In another example, the screen 1700 of FIG. 17 is for dividing the entire shape of glass into groups and setting a characteristic data range therein. In FIG. 17, the “egg shape” is a shape in which the glass is bent well in both the horizontal and vertical directions, the “J-bend shape” is a shape in which the glass is bent only in the vertical direction, and the “lateral bend shape” is the glass. Shows a shape that is well bent near the left end and the right end. Then, these groups are selected by checking the areas 1701 to 1703, and the lower limit value and the upper limit value of the items shown in the area 1704 are input to the areas 1705 and 1706 to search. It should be noted that FIG. 18 shows characteristic items to be set, taking a laterally bent glass as an example. As shown in FIG. 18, the bent shape of the glass plate is
Double, arc depth, vertical bending R (radius of curvature), horizontal bending R
It is determined by appropriately adjusting (curvature radius).

The screen 1900 of FIG. 19 shows an example of the results retrieved by the setting example of FIG. 16, and a list of analysis results by design data similar to the set design data is displayed. The list shows the model display area 1901,
Set shape data display area 1902, analysis summary display area 1903, quality molded glass reference selection area 190
4 has an analysis result reference selection area 1905, and by checking any of the quality reference selection area 1904 of the actually formed glass and the analysis result reference selection area 1905, the quality of the actually formed glass of similar shaped glass or the analysis result can be obtained. Can be referenced. The quality of the actual molded glass is held in the analysis result database 3 as an example of the usage status information, and indicates the quality information of the glass actually molded based on the corresponding design data.

[0037]

As is apparent from the above description, according to the present invention, there is provided a design evaluation support system capable of easily and quickly obtaining a characteristic analysis result based on a shape design of a vehicle window member including glass. can do. As a result, it contributes to shortening the automobile development period and cost. In addition, the design evaluation support system according to the present invention connects a remote customer and an analysis center online, and can send and receive various data in a short time. Therefore, it is possible to provide a detailed service for each customer and to provide user friendliness. It will be realized.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is a diagram showing a schematic operation flow of the system of FIG.

FIG. 3 is a diagram showing an example of a request item selection screen.

FIG. 4 is a diagram showing a schematic operation flow when requesting a new analysis.

FIG. 5 is a diagram showing an example of an analysis data input screen.

FIG. 6 is a diagram showing an example of an analysis data input screen.

FIG. 7 is a diagram showing an example of an analysis data input screen.

FIG. 8 is a diagram showing an example of an analysis request confirmation information display screen.

FIG. 9 is a diagram showing an example of a reception completion information display screen.

FIG. 10 is a diagram showing an example of a progress search condition input screen.

FIG. 11 is a diagram showing an example of a progress status search result.

FIG. 12 is a diagram showing an example of an analysis result search condition input screen.

FIG. 13 is a diagram showing an example of a screen showing analysis search results.

FIG. 14 is a diagram showing an example of a screen showing registered contents of analysis results.

FIG. 15 is a diagram showing an example of an analysis result display screen.

FIG. 16 is a diagram showing an example of a condition setting screen for similarity search.

FIG. 17 is a diagram showing another example of the condition setting screen for similarity search.

FIG. 18 is a view showing a characteristic shape of laterally bent glass.

FIG. 19 is a diagram showing an example of a display screen of a search result obtained by the setting of FIG.

[Explanation of symbols]

1-1, 1-2, 1-n ... Analysis device 2 ... Reception server computer 3 ... Analysis result database 4 ... Network 5: Terminal device

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G06F 17/60 106 G06F 17/60 106

Claims (6)

[Claims] 1. A design evaluation support system for supporting, through a communication line, a characteristic evaluation of a vehicle window member whose shape is designed by a user, the characteristic being the characteristic of the vehicle window member connected to the communication line. A reception server computer that receives an analysis request, and an analysis device that analyzes the characteristics of the vehicle window member using the shape data of the vehicle window member, the reception server computer being connected to the communication line Receiving the characteristic analysis request from the terminal device, instructing the analyzing device to perform the characteristic analysis of the vehicle window member based on the received information, and transmitting the result of the characteristic analysis according to the instruction to the terminal device. A design evaluation support system for characteristic vehicle window members. 2. The design evaluation support system according to claim 1, wherein the reception server computer includes at least shape data of a vehicle window member to be evaluated, analysis item information specifying characteristics to be analyzed, and analysis conditions. Information is received from the terminal device via the communication line, analysis is instructed to the analysis device based on the received information, and analysis result information obtained by the analysis device is transmitted to the terminal device. Design evaluation support system. 3. The design evaluation support system according to claim 1, wherein the analysis result information includes design change proposal information for improving characteristics. 4. The design evaluation support system according to claim 1, further comprising: characteristic analysis result information by the analysis device, and the shape data in association with each analysis result information. An analysis result database holding at least a part of the reception server computer, the reception server computer receives at least a part of the shape data of the vehicle window member to be evaluated from the terminal device via the communication line, A design evaluation support system for searching the analysis result database for analysis result information corresponding to received shape data or similar shape data, and transmitting the searched analysis result information to the terminal device. 5. The design evaluation support system according to claim 4, wherein the shape data held in the analysis result database is shape data indicating characteristics of the shape of a vehicle window member. 6. The design evaluation support system according to claim 4 or 5, wherein the analysis result database further holds usage status information of design shape data in association with the characteristic analysis result information. Support system.