CN103226628A - Method and device for rapidly generating tire enveloping surfaces of front and rear automobile suspensions - Google Patents
Method and device for rapidly generating tire enveloping surfaces of front and rear automobile suspensions Download PDFInfo
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Abstract
The invention discloses a method and a device for rapidly generating tire enveloping surfaces of front and rear automobile suspensions, and the method and the device are used for solving the problem that the generation efficiency and the accuracy of a tire enveloping surface in the prior art are low. The method comprises steps as follows: obtaining ADAMS (Automatic Dynamic Analysis of Mechanical Systems) suspension models of the front and rear automobile suspensions and generating generation parameters needed by the tire enveloping surfaces; modifying the ADAMS suspension models according to the generation parameters and generating a novel ADAMS suspension model; generating a drive file of the new ADAMS suspension model according to the generation parameters; analyzing a '.WEN' file of tire axes of the front and rear automobile suspensions by the novel ADAMS suspension model under the drive of the drive file; converting the '.WEN' file of the tire axes into an 'IGS' file of the tire axes; and outputting the 'IGS' file of the tire axes into cartographic software and generating the tire enveloping surfaces of the front and rear automobile suspensions. With the adoption of the technical scheme, the efficiency and the accuracy for generating the tire enveloping surface are improved.
Description
Technical field
The present invention relates to automobile technical field, particularly a kind of automobile fore suspension and rear suspension tire enveloping surface generates method and apparatus fast.
Background technology
Automobile fore suspension and rear suspension tire enveloping surface is used for the automobile General Layout Design, interferes situation with automobile miscellaneous part such as vehicle body, vehicle frame and suspension when checking tire motion, is the important content that general arrangement analysis and new model design in the vehicle development process.
Along with vying each other of automobile industry, to control cost, in the reduction cycle, the role of computer-aided design (CAD) in early development is important further.Especially for brand-new tire envelope of exploitation, do not have sample car, do not have yet same suspension can the situation of reference under, obtain a tire envelope that precision is higher, sunykatuib analysis is a unique channel.
At present the most frequently used simulation-analysis software comprises that the credit of ADAMS(mechanical system automatic power analyses Automatic Dynamic Analysis of Mechanical Systems).The user usually under the ADAMS software interface by hand method carry out the analysis of tire enveloping surface, again in CAD software by hand method carry out tire axle and generate, not only speed is slow, does not note slightly, will make mistakes.
In the prior art, in the generative process of tire enveloping surface, people adopt the whole bag of tricks to generate the tire enveloping surface, but formation efficiency and accuracy are not high.For this problem, effective solution is not proposed as yet at present.
Summary of the invention
The invention provides a kind of automobile fore suspension and rear suspension tire enveloping surface and generate method and apparatus fast, be used for solving the formation efficiency and the low problem of accuracy of prior art tire enveloping surface.
For achieving the above object, according to a first aspect of the invention, provide a kind of automobile fore suspension and rear suspension tire enveloping surface to generate method fast, and by the following technical solutions:
This quick generation method comprises: obtain the ADAMS Suspension Model of automobile fore suspension and rear suspension and generate the required generation parameter of tire enveloping surface; According to generation parameter modification ADAMS Suspension Model, and generate new ADAMS Suspension Model; According to generating the driving file that parameter generates new ADAMS Suspension Model; New ADAMS Suspension Model is analyzed " .WEV " file of the tire axle that generates the automobile fore suspension and rear suspension under the driving that drives file; " .WEV " file conversion of tire axle is become " .IGS " file of tire axle; " .IGS " file of tire axle is input to graphics software, generates the tire enveloping surface of automobile fore suspension and rear suspension.
Further, generating parameter comprises: the tire jitter parameter; The steering wheel angle parameter; The steering gear turn around parameters; Umbers such as tire condition.
Further, obtain and also comprise after generating the required generation parameter of tire enveloping surface: according to generating the parameter list that parameter modification ADAMS Suspension Model set up and preserving amended parameter list; Or set up new parameter list and preserve newly-established parameter list according to generating parameter.
Further, comprise according to the driving file that generates the new ADAMS Suspension Model of parameter generation: the driving file that generates new ADAMS Suspension Model according to umbers such as steering wheel angle parameter, steering gear turn around parameters and tire conditions; Preserve the driving file according to preset path.
Further, become " .IGS " file of tire axle to comprise " .WEV " file conversion of tire axle: to select " generating the IGS file " key, " .WEV " file of the tire axle of the automobile fore suspension and rear suspension of harsh one-tenth is converted into " .IGS " file of tire axle, or import " .WEV " file that has generated, this document is converted into " .IGS " file of tire axle; " .IGS " file is carried out the IGS format; " .IGS " file of tire axle after the output formatization.
According to a second aspect of the invention, provide a kind of automobile fore suspension and rear suspension tire enveloping surface quick generating apparatus, and by the following technical solutions:
This quick generating apparatus comprises: acquisition module is used to obtain the ADAMS Suspension Model of automobile fore suspension and rear suspension and generates the required generation parameter of tire enveloping surface; Modified module is used for the Suspension Model according to generation parameter modification ADAMS, and generates new ADAMS Suspension Model; Drive file generating module, be used for according to generating the driving file that parameter generates new ADAMS Suspension Model; " .WEV " file generating module is used for new ADAMS Suspension Model is analyzed the tire axle that generates the automobile fore suspension and rear suspension under the driving that drives file " .WEV " file; Modular converter is used for " .WEV " file conversion of tire axle is become " .IGS " file of tire axle; Tire enveloping surface generation module is used for " .IGS " file of tire axle is input to graphics software, generates the tire enveloping surface of automobile fore suspension and rear suspension.
Further, generating apparatus also comprises fast: the parameter list modified module is used for the parameter list of having set up according to generation parameter modification ADAMS Suspension Model and preserves amended parameter list; Or parameter list sets up module, is used for setting up new parameter list and preserving newly-established parameter list according to generating parameter.
Further, generating parameter comprises: the tire jitter parameter; The steering wheel angle parameter; The steering gear turn around parameters; Umbers such as tire condition.
Further, drive file generating module and comprise: drive file and generate submodule, be used for generating the driving file of new ADAMS Suspension Model according to umbers such as steering wheel angle parameter, steering gear turn around parameters and tire conditions; Preserve submodule, be used for preserving the driving file according to preset path.
Further, modular converter comprises: the conversion submodule, be used for selecting " generating the IGS file " key, " .WEV " file of the tire axle of the automobile fore suspension and rear suspension of harsh one-tenth is converted into " .IGS " file of tire axle, or import " .WEV " file that has generated, this document is converted into " .IGS " file of tire axle; The format submodule is used for " .IGS " file is carried out the IGS format; Output sub-module is used for " .IGS " file of the tire axle after the output formatization.
By technique scheme of the present invention as can be known, according to generating the required generation parameter of tire enveloping surface, revise the ADAM model fast and drive file, export " .IGS " file of the general format of 3D mapping software, thereby realized generating fast, efficiently and accurately the tire enveloping surface of automobile fore suspension and rear suspension.By this emulation mode, greatly reduce the automobile development cost, and improved automobile development efficient.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 represents that the automobile fore suspension and rear suspension tire enveloping surface of the embodiment of the invention generates the main process flow diagram of method fast; And
Fig. 2 represents the structural representation block diagram of the quick generating apparatus of automobile fore suspension and rear suspension tire enveloping surface of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 represents that the automobile fore suspension and rear suspension tire enveloping surface of the embodiment of the invention generates the main process flow diagram of method fast.
Referring to shown in Figure 1, this generation method fast may further comprise the steps:
Step 101: obtain the ADAMS Suspension Model of automobile fore suspension and rear suspension and generate the required generation parameter of tire enveloping surface.
In this step, under the WINDOWS interface, use the VB(programming language, Visual Basic) the COMBOX(combo box control of software) select to want the ADAMS Suspension Model of the fore suspension and rear suspension of emulation vehicle.And, open the EXCEL parameter list of this model correspondence automatically by behind " confirming to select suspension " key, this EXCEL parameter list is set up according to tire enveloping surface create-rule.Use required this EXCEL parameter list of generation parameter modification of generation tire enveloping surface that obtains again, and preserve amended EXCEL parameter list.Do not set up the EXCEL parameter list before the ADAMS Suspension Model, then open the EXCEL parameter list of a standard automatically, with VB software and EXCEL interface, input generates parameter, thereby has set up a new EXCEL parameter list, and preserves this EXCEL parameter list.
In this step, generate parameter and mainly comprise: umbers such as tire jitter parameter, steering wheel angle parameter, steering gear turn around parameters and tire condition.
Step 103:, and generate new ADAMS Suspension Model according to generation parameter modification ADAMS Suspension Model.
In this step, open selected ADAMS Suspension Model, search the SPL " SPLINE-2 " in the model, according to generating its content of parameter update, and, set when getting front suspension according to tire enveloping surface create-rule, contain and turn to; When getting rear suspension, turning to is 0.Vary in size according to umbers such as choosing tire simultaneously, generate " SPLINE-2 " content of varying number, thereby generate new ADAMS Suspension Model.
Step 105: according to generating the driving file that parameter generates new ADAMS Suspension Model.
In this step, mainly comprise following two step by step:
1) generates the driving file of new ADAMS Suspension Model according to umbers such as steering wheel angle parameter, steering gear turn around parameters and tire conditions.
This step by step in, according to tire enveloping surface create-rule, set by " one-sided maximum steering wheel angle input ", then close " one-sided steering gear range " input automatically; Otherwise,, then close " one-sided maximum steering wheel angle input " input automatically by " one-sided steering gear range " input.By the input of " one-sided maximum steering wheel angle " option, get " deactivate/jprim, the id=" 2 in the driving file that prestores; By the input of " one-sided steering gear range " option, get " deactivate/jprim, the id=" 3 in the driving file file that prestores; To the front suspension analysis, get " simulate/static, end=" in the driving file file that prestores (umber+4 such as 9* tire condition); To the rear suspension analysis, get the umbers such as " simulate/static, end=" tire condition in the driving file file that prestores.Above-mentioned steering wheel angle parameter, steering gear turn around parameters, and vary in size in conjunction with umbers such as tire conditions, different driving files generated.
2) preserve the driving file according to preset path.
This step by step in, the driving file that generates is preserved according to its preset path.
Step 107: new ADAMS Suspension Model is analyzed " .WEV " file of the tire axle that generates the automobile fore suspension and rear suspension under the driving that drives file.
In this step, by " operation ADAMS " key, under the driving that drives file, call ADAMS automatically and analyze, generate " .WEV " file of the tire axle of automobile fore suspension and rear suspension.
For example: the SHELL () with VB calls ADAMS software:
pid=Shell("d:\adam_temp\run_adams_w.bat",vbNormalFocus)
hprocess=OpenProcess(process_query_information,0,pid)
exitevent=WaitForSingleObject(hprocess,infinite)
Call?CloseHandle(hprocess)
In this step, the file that " .WEV " file of the tire axle of the automobile fore suspension and rear suspension that generates is made up of point coordinate one by one, the file of this form is not a 3D mapping software general format, needing the user with 3D software the point coordinate manual method in " .WEV " file to be carried out tire axle generates, not only speed is slow, do not note slightly, will make mistakes.
Step 109: " .IGS " file that " .WEV " file conversion of tire axle is become tire axle.
In this step, because " .WEV " file is not a 3D mapping software general format,, just need " .WEV " file conversion is become " .IGS " file of 3D mapping software general format in order to generate tire axle fast, specifically comprise step by step following:
(1) selects " generating the IGS file " key, " .WEV " file of the tire axle of the automobile fore suspension and rear suspension of harsh one-tenth is converted into " .IGS " file of tire axle, or import " .WEV " file that has generated, this document is converted into " .IGS " file of tire axle.
This step by step in, select " generating the IGS file " key, acquiescence is opened " .WEV " file of the harsh one-tenth of selected Suspension Model, can directly generate " .IGS " file to " .WEV " file that has generated.
(2) " .IGS " file is carried out the IGS format.
This step by step in, for " .IGS " file that guarantee to generate meets the IGS form, format processing with RTrim$ ().
(3) " .IGS " file of the tire axle after the output formatization.
This step by step in, " .IGS " file of the output tire axle of tire under each state, and be added with mark.
Step 111: " .IGS " file of tire axle is input to graphics software, generates the tire enveloping surface of automobile fore suspension and rear suspension.
In this step, because " .IGS " file is the general format of 3D mapping software, as long as " .IGS " file is somebody's turn to do in input, the 3D mapping software is easy to generate the tire enveloping surface of automobile fore suspension and rear suspension.
From the above description as can be known, automobile fore suspension and rear suspension tire enveloping surface of the present invention generates method fast, under the WINDOS interface, according to tire enveloping surface create-rule, by ADAMS Suspension Model and the required generation parameter of generation tire enveloping surface of obtaining the automobile fore suspension and rear suspension, generate new ADAMS Suspension Model and drive file according to generating parameter, call " .WEV " file that ADAMS analyzes the tire axle that generates the automobile fore suspension and rear suspension, and " .WEV " file conversion is become " .IGS " file of the general format of 3D mapping software, thereby realized fast, efficiently, generate the tire enveloping surface of automobile fore suspension and rear suspension exactly.By this emulation mode, greatly reduce the automobile development cost, and improved automobile development efficient.
Fig. 2 represents the structural representation block diagram of the quick generating apparatus 200 of automobile fore suspension and rear suspension tire enveloping surface of the embodiment of the invention.
Referring to shown in Figure 2, this quick generating apparatus 200 mainly comprises:
In the present embodiment, generating the required generation parameter of tire enveloping surface mainly comprises: umbers such as tire jitter parameter, steering wheel angle parameter, steering gear turn around parameters and tire condition.
Drive file generating module 230, be used for according to generating the driving file that parameter generates new ADAMS Suspension Model.
" .WEV " file generating module 240 is used for new ADAMS Suspension Model is analyzed the tire axle that generates the automobile fore suspension and rear suspension under the driving that drives file " .WEV " file;
Tire enveloping surface generation module 260 is used for " .IGS " file of tire axle is input to graphics software, generates the tire enveloping surface of automobile fore suspension and rear suspension.
Wherein, driving file generating module 230 comprises:
Drive file and generate submodule 231, be used for generating the driving file of new ADAMS Suspension Model according to umbers such as steering wheel angle parameter, steering gear turn around parameters and tire conditions.
Preserve submodule 233, be used for preserving the driving file according to preset path.
Wherein, modular converter 250 comprises:
In the present embodiment, in the ADAMS Suspension Model of having obtained the automobile fore suspension and rear suspension with after generating the required generation parameter of tire enveloping surface, generating apparatus 200 can also comprise fast:
The parameter list modified module is used for the parameter list of having set up according to generation parameter modification ADAMS Suspension Model and preserves amended parameter list; Or parameter list sets up module, is used for setting up new parameter list and preserving newly-established parameter list according to generating parameter.
From the above description as can be known, the quick generating apparatus 200 of automobile fore suspension and rear suspension tire enveloping surface of the present invention by acquisition module 210 is set, obtains the ADAMS Suspension Model of automobile fore suspension and rear suspension and generates the required generation parameter of tire enveloping surface; Modified module 220 is set and drives file generating module 230, generate new ADAMS Suspension Model and drive file according to generating parameter; " .WEV " file generating module 240 is set, calls " .WEV " file that ADAMS analyzes the tire axle that generates the automobile fore suspension and rear suspension; Modular converter 250 is set, " .WEV " file conversion is become " .IGS " file of the general format of 3D mapping software, thereby realized generating fast, efficiently and accurately the tire enveloping surface of automobile fore suspension and rear suspension.
In sum, automobile fore suspension and rear suspension tire enveloping surface of the present invention generates method and apparatus fast, according to generating the required generation parameter of tire enveloping surface, revise the ADAM model fast and drive file, export " .IGS " file of the general format of 3D mapping software, thereby realized generating fast, efficiently and accurately the tire enveloping surface of automobile fore suspension and rear suspension.By this emulation mode, greatly reduce the automobile development cost, and improved automobile development efficient.
It more than is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an automobile fore suspension and rear suspension tire enveloping surface generates method fast, it is characterized in that, comprising:
Obtain the ADAMS Suspension Model of automobile fore suspension and rear suspension and generate the required generation parameter of tire enveloping surface;
According to the described ADAMS Suspension Model of described generation parameter modification, and generate new ADAMS Suspension Model;
Generate the driving file of described new ADAMS Suspension Model according to described generation parameter;
Described new ADAMS Suspension Model is analyzed " .WEV " file of the tire axle that generates described automobile fore suspension and rear suspension under the driving of described driving file;
" .WEV " file conversion of described tire axle is become " .IGS " file of tire axle;
" .IGS " file of described tire axle is input to graphics software, generates the tire enveloping surface of described automobile fore suspension and rear suspension.
2. quick generation method as claimed in claim 1 is characterized in that, described generation parameter comprises:
The tire jitter parameter;
The steering wheel angle parameter;
The steering gear turn around parameters;
Umbers such as tire condition.
3. quick generation method as claimed in claim 1 is characterized in that, obtains the required generation parameter of described generation tire enveloping surface and also comprises afterwards:
The parameter list of having set up according to the described ADAMS Suspension Model of described generation parameter modification is also preserved amended parameter list; Or
Set up new parameter list and preserve newly-established parameter list according to described generation parameter.
4. quick generation method as claimed in claim 2 is characterized in that, the driving file that generates described new ADAMS Suspension Model according to described generation parameter comprises:
Generate the driving file of described new ADAMS Suspension Model according to umbers such as described steering wheel angle parameter, described steering gear turn around parameters and described tire conditions;
Preserve described driving file according to preset path.
5. as the described quick generation method of each claim in the claim 1 to 4, it is characterized in that, become " .IGS " file of tire axle to comprise " .WEV " file conversion of described tire axle:
Select " generating the IGS file " key, " .WEV " file of the tire axle of the described automobile fore suspension and rear suspension of harsh one-tenth is converted into " .IGS " file of described tire axle; Or import " .WEV " file that has generated, this document is converted into " .IGS " file of described tire axle;
Described " .IGS " file is carried out the IGS format;
" .IGS " file of described tire axle after the output formatization.
6. the quick generating apparatus of automobile fore suspension and rear suspension tire enveloping surface is characterized in that, comprising:
Acquisition module is used to obtain the ADAMS Suspension Model of automobile fore suspension and rear suspension and generates the required generation parameter of tire enveloping surface;
Modified module is used for according to the described ADAMS Suspension Model of described generation parameter modification, and generates new ADAMS Suspension Model;
Drive file generating module, be used for generating the driving file of described new ADAMS Suspension Model according to described generation parameter;
" .WEV " file generating module is used for described new ADAMS Suspension Model is analyzed the tire axle that generates described automobile fore suspension and rear suspension under the driving of described driving file " .WEV " file;
Modular converter is used for " .WEV " file conversion of described tire axle is become " .IGS " file of tire axle;
Tire enveloping surface generation module is used for " .IGS " file of described tire axle is input to graphics software, generates the tire enveloping surface of described automobile fore suspension and rear suspension.
7. quick generating apparatus as claimed in claim 6 is characterized in that, described quick generating apparatus also comprises:
The parameter list modified module is used for the parameter list of having set up according to the described ADAMS Suspension Model of described generation parameter modification and preserves amended parameter list; Or
Parameter list is set up module, is used for setting up new parameter list and preserving newly-established parameter list according to described generation parameter.
8. quick generating apparatus as claimed in claim 6 is characterized in that, described generation parameter comprises:
The tire jitter parameter;
The steering wheel angle parameter;
The steering gear turn around parameters;
Umbers such as tire condition.
9. quick generating apparatus as claimed in claim 8 is characterized in that, described driving file generating module comprises:
Drive file and generate submodule, be used for generating the driving file of described new ADAMS Suspension Model according to umbers such as described steering wheel angle parameter, described steering gear turn around parameters and described tire conditions;
Preserve submodule, be used for preserving described driving file according to preset path.
10. as the described quick generating apparatus of each claim in the claim 6 to 9, it is characterized in that described modular converter comprises:
The conversion submodule is used for selecting " generating the IGS file " key, " .WEV " file of the tire axle of the described automobile fore suspension and rear suspension of harsh one-tenth is converted into " .IGS " file of described tire axle; Or import " .WEV " file that has generated, this document is converted into " .IGS " file of described tire axle;
The format submodule is used for described " .IGS " file is carried out the IGS format;
Output sub-module is used for " .IGS " file of the described tire axle after the output formatization.
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| CN201310093701.XA CN103226628B (en) | 2013-03-22 | 2013-03-22 | Automobile fore suspension and rear suspension tire enveloping surface rapid generation and device |
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| CN201310093701.XA CN103226628B (en) | 2013-03-22 | 2013-03-22 | Automobile fore suspension and rear suspension tire enveloping surface rapid generation and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105787197A (en) * | 2016-03-17 | 2016-07-20 | 北京汽车研究总院有限公司 | Method and device for producing envelope of automobile gear shifting control mechanism |
| CN106777485A (en) * | 2016-11-14 | 2017-05-31 | 北京顺恒达汽车电子股份有限公司 | A kind of method of quick analysis automobile power back door strut system |
| CN106777605A (en) * | 2016-12-02 | 2017-05-31 | 北京汽车研究总院有限公司 | A kind of suspension side regards geometry motion analysis method and system |
| CN109815567A (en) * | 2019-01-09 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of suspension tire envelope generation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105787197A (en) * | 2016-03-17 | 2016-07-20 | 北京汽车研究总院有限公司 | Method and device for producing envelope of automobile gear shifting control mechanism |
| CN105787197B (en) * | 2016-03-17 | 2019-12-03 | 北京汽车研究总院有限公司 | A kind of generation method and device of automobile shifting operation mechanism envelope |
| CN106777485A (en) * | 2016-11-14 | 2017-05-31 | 北京顺恒达汽车电子股份有限公司 | A kind of method of quick analysis automobile power back door strut system |
| CN106777605A (en) * | 2016-12-02 | 2017-05-31 | 北京汽车研究总院有限公司 | A kind of suspension side regards geometry motion analysis method and system |
| CN106777605B (en) * | 2016-12-02 | 2020-04-03 | 北京汽车研究总院有限公司 | Suspension side-view geometric motion analysis method and system |
| CN109815567A (en) * | 2019-01-09 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of suspension tire envelope generation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103226628B (en) | 2016-06-22 |
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