CN106777485A - A kind of method of quick analysis automobile power back door strut system - Google Patents
A kind of method of quick analysis automobile power back door strut system Download PDFInfo
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- CN106777485A CN106777485A CN201611025952.4A CN201611025952A CN106777485A CN 106777485 A CN106777485 A CN 106777485A CN 201611025952 A CN201611025952 A CN 201611025952A CN 106777485 A CN106777485 A CN 106777485A
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- strut
- parameter
- back door
- adams
- automobile power
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
Abstract
The invention provides a kind of method of quick analysis automobile power back door strut system, electronic strut template model is pre-build first, the electronic strut and drive form to be analyzed of selection, parameter is read, according to |input paramete under windows, template model is modified, ADAMS models under parameter selected by the selected strut of generation, new model is analyzed with adams/car using batch processing method, analysis result is exported, and export the stress of each parts of strut.The beneficial effects of the invention are as follows：The ADAMS models of selected electronic strut are quickly generated, so as to quickly obtain analysis result.Electric tail gate strut systematic function is analyzed with the method, computational accuracy is high, and speed is fast.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of side of quick analysis automobile power back door strut system
Method.
Background technology
With the popularization and application of automobile intelligent electronics, automobile power back door is increasingly widely applied, electronic in the past
Tail-gate is applied on superior automobile, is occurred now to the trend applied on low and middle-grade automobiles.Electric tail gate strut is designed increasingly
Paid attention to by automobile industry.
Electric tail gate has diversified forms, wherein most widely used is:Micromachine drives planetary gear to drive bull screw mandrel
The electronic strut of nut, this tail door supporting rod compact conformation, easy to use, performance is more stablized.This tail door supporting rod is a kind of
The space mechanism of electromechanical integration, its performance quality is influenced by factors, such as power of motor, strut two ends space mounting point
Position, tail-door hinge point position, tail-gate weight and centroid position, the design attitude length of spring, spring rate, spring preload,
The factors such as the magnetic hysteresis torque of motor and deceleration system influence, and are a system engineerings for complexity.
Current Automobile Enterprises are generally calculated using manual formula, and the calculating time is very long, and easily malfunctions, computational accuracy
It is low.
Someone is modeled with ADAMS/view, and model, analysis model are set up under adams/view interfaces, and its precision has bright
It is aobvious to improve.But because strut is vertically connected with a change in location, the space Eulerian angles of each parts change, more new model,
Need to model again.Operating efficiency is not high.It is a kind of method that secondary development is carried out with ADAMS/VIEW, but due to/view volumes
Journey software computing function is weaker, is restricted in the software development based on calculating,
Low to solve the problems, such as electric tail gate analysis efficiency, the present invention proposes a kind of quick analysis automobile power back door
The method of strut system.VB6.0 software programmings are used, set up under windows, changed electric tail gate strut ADAMS models,
ADAMS/CAR is called to be analyzed under WINDOWS.This method, had both played the powerful analysis ability of ADAMS softwares, solved again
The difficulty of software development under ADAMS/VIEW certainly.It is analysis automobile power back door strut system accuracy highest, it is fastest
Method.Up to the present, without the method for finding quick analysis electric tail gate performance.
The content of the invention
The present invention is intended to provide a kind of method of quick analysis automobile power back door strut system, to solve in the prior art
There is a problem of that automobile tail gate performance evaluation inefficiency and the degree of accuracy are undesirable.
The present invention is adopted the following technical scheme that：
First, an electronic strut template model is set up, it is many that the template model drives planetary gear to drive with micromachine
The electronic strut of captacula stem nut is research object, and template is ADAMS/view models, and its free degree is zero, is kinematics mould
Type.
Secondly, the tail door supporting rod of the vehicle of analysis needed for selection, selects the drive form of tail door supporting rod.Tail door supporting rod is in electricity
Machine has visibly different performance, it is necessary to be analyzed respectively under driving lower and manual actuation.
Again, the parameter of selected electric tail gate strut is read；According to the electronic strut of tail-gate of selection, VB6.0 calls selected
Strut EXEL parametrization tables, display parameters simultaneously read parameter.Preserved after modification parameter, update the parametrization of selected strut
Table.
Emphasis ground, according to the strut geometric parameter for reading, calculate tail-gate each parts in the mounted state locus and
Eulerian angles.Change the hard spot of template and the Eulerian angles of hard spot.According to the strut other specification for reading, template model is changed；According to
The form of the driving of input, increases in template model or modification drives；The load for increasing each parts of strut in a template is defeated
Go out, instructed with FEMDATA and write load output file；The difference and the difference of drive form of the strut according to selection, modification are imitative
Calling model name and analysis time and step-length in the .ACF files of true control, generate the new ADAMS models of the strut.
Further, ADAMS/car is called in batch processing under WINDOWS, analyzes new adams models, obtains selected electricity
Dynamic performance of the strut under selected parameter, and export the stress of each parts of strut.
More specifically, the method for the quick analysis automobile power back door strut system comprises the following steps：
Pre-build template：An electronic strut template model is set up, the template model drives planet tooth with micromachine
It is research object that wheel drives the electronic strut of bull feed screw nut, and template is ADAMS/view models, and its free degree is zero, is fortune
It is dynamic to learn model.
Select electronic strut and driving：The driving shape of the tail door supporting rod of the vehicle of analysis needed for selection and selection tail door supporting rod
Formula.
Read parameter：VB6.0 calls the EXEL parametrization tables of selected strut, display parameters simultaneously to read parameter.Modification ginseng
Preserved after number, update the parametrization table of selected strut, generate the library file of various strut parameters.
Modification template model：First, according to the space coordinates at selected strut two ends, according to each parts geometric parameters of input
Number, calculates coordinate position of each parts in space, changes the hard spot of template model.
Further, according to the space coordinates at the strut two ends according to input, strut each parts are calculated in space
Eulerian angles, change the Eulerian angles of the hard spot of template model.The space vector of the adams model hard spots of the new strut of generation.
Further, according to the spring parameter of input, screw mandrel parameter, motor and decelerator parameter and tail-gate parameter, modification
The spring of template model, screw mandrel and motor and decelerator parameter and tail-gate parameter.
Further, according to the drive form of input, increase in template model or modification drives.
Further, the load output of each parts of strut is increased in a template, it is defeated to write load with FEMDATA instructions
Go out file.
Finally, the difference and the difference of drive form of the strut according to selection, in the .ACF files of modification Simulation Control
Calling model name and analysis time and step-length.
Analysis model：ADAMS/car is called in batch processing under WINDOWS, analyzes new adams models, obtains selected electricity
Dynamic performance of the strut under selected parameter.
As can be seen that using technical scheme, electronic strut template model is pre-build, analysis needed for selecting
Electronic strut tail-gate and driving, read parameter, change template, the electronic support ADAMS models of analysis needed for quickly generating,
Call ADAMS/CAR to be analyzed under windows, realize the quick analysis of electric tail gate.This method avoid ADAMS/
The difficulty of model is changed under VIEW.The method analyzes electric tail gate performance, and high precision, speed is fast.
Brief description of the drawings
Fig. 1 is the broad flow diagram of the quick analysis automobile power back door strut systems approach of the embodiment of the present invention；
Fig. 2 is the particular flow sheet of the speed analysis automobile power back door strut systems approach of the embodiment of the present invention；
Fig. 3 is that the main functional modules of the quick analysis automobile power back door strut systems approach of the embodiment of the present invention are illustrated
Figure.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
Fig. 1 is the broad flow diagram of the quick analysis automobile power back door strut systems approach of the embodiment of the present invention；Referring to
Shown in Fig. 1, the quick analysis automobile power back door strut systems approach includes：
Step 10：Pre-build the ADAMS template models of electronic strut.The template model is to drive planet by micromachine
The strut model of gear driven bull feed screw nut, generates under ADAMS/VIEW in advance, is the ADAMS moulds that the free degree is zero
Type, checks analyzable model under adams/view.
Step 20：The tail door supporting rod of vehicle and driving needed for selection.Selected not with the COMBOBOX keys in VB6.0 softwares
With the electric tail gate strut of vehicle；Band motorized motions or manual actuation are selected with OPTIONBUTTON keys.
Step 30：Read parameter.VB6.0 calls the EXEL parametrization tables of selected strut, display parameters simultaneously to read parameter.
Preserved after modification parameter, update the parametrization table of selected strut.
Step 40：Modification template model.According to the parameter of input geometry, each parts of tail-gate are calculated empty in the mounted state
Between position and Eulerian angles.Change the hard spot of template and the Eulerian angles of hard spot.According to input other specification, template model is changed, it is raw
Into the new ADAMS models of the strut.
Step 50：ADAMS/car is called in batch processing under WINDOWS, analyzes new adams models, obtains selected electronic
Performance of the strut under selected parameter.
As shown in Fig. 2 the quick analysis automobile power back door strut systems approach specifically includes following implementation：
Pre-build electronic strut template model.The template model is to drive planetary gear to drive many captaculas by micromachine
The strut model of stem nut, generates under ADAMS/VIEW in advance, is the kinematics model that the free degree is zero, in adams/view
The lower analyzable model of inspection.
VB6.0 software programmings are used, the electric tail gate strut of different automobile types is selected with COMBOBOX keys, used
OPTIONBUTTON keys come select band motorized motions or manual actuation
Then, according to the electronic strut of tail-gate of selection, VB6.0 calls the EXEL parametrization tables of selected strut, display ginseng
Count and read parameter.Preserved after modification parameter, update the parametrization table of selected strut.
Emphasis ground, according to |input paramete, changes template model:
First, according to the space coordinates at selected strut two ends, according to each parts geometric parameter of input, calculate each zero
Part changes the hard spot of template model in the coordinate position in space；
Further, according to the space coordinates at selected strut two ends, Euler of the electronic each parts of strut in space is calculated
Angle.Change the Eulerian angles of the hard spot of template model.Known strut two ends spatial point calculates its Eulerian angles, is a very numerous and diverse number
Knowledge is inscribed.Simplest method, first the space vector for connecting at 2 points, is reduced to unit vector, is then calculated.Specific meter
Calculation method may be referred to the content of correlation in following Internet address hffp, see https://en.wikipedia.org/wiki/Euler_
angles；
Further, according to the spring parameter of input, screw mandrel parameter, motor and decelerator parameter and tail-gate parameter, modification
The spring of template model, screw mandrel and motor and decelerator parameter and tail-gate parameter.
Yet further, the form of the driving according to input, increases or changes the driving of template model.
Further, the load output of each parts of strut is increased in a template, it is defeated to write load with FEMDATA instructions
Go out file.
Further, the difference and the difference of drive form of the strut according to selection, changes the .ACF texts of Simulation Control
Calling model name and different analysis times and step-length in part.
This is arrived, according to selected electronic strut |input paramete, modification completes template model, generates selected strut selected
ADAMS analysis models under parameter.
Finally, vb6.0 sets up autoexec under windows, calls .ACF files, calls ADAMS/CAR to enter automatically
Row analysis, is input into performance of the strut under selected parameter.
Fig. 3 is that the main functional modules of the quick analysis automobile power back door strut systems approach of the embodiment of the present invention are illustrated
Figure.
As shown in figure 3, pre-building template model：Pre-build electric tail gate strut template model.
Select electronic strut and driving：The electronic strut and electronic strut drive form to be analyzed of selection.
Read parameter：The parameter of the strut is read by the EXEL parametrization tables of strut.
Modification template model：According to the parameter of input geometry, each parts of tail-gate locus in the mounted state is calculated
And Eulerian angles.Change the hard spot of template and the Eulerian angles of hard spot.According to input other specification, modification template model etc., generation should
The new ADAMS models of strut.
Analysis model：ADAMS/car is called in batch processing under WINDOWS, analyzes this new adams model, obtains selected
Performance of the electronic strut under selected parameter.
As can be seen that using technical scheme, electronic strut template model is pre-build, analysis needed for selecting
Electric tail gate strut and driving, read parameter, change template, the electronic support ADAMS models of analysis needed for quickly generating,
Call ADAMS/CAR to be analyzed under windows, realize the quick analysis of electric tail gate.This method avoid ADAMS/
The difficulty of model is changed under VIEW.Electric tail gate strut performance is analyzed with the method, high precision, speed is fast.
Another advantage of the method, is easy to extension, increase in COMBOBOX vehicle strut title and it
EXEL parameterizes table, can quickly analyze the strut performance.The EXEL parametrization tables of strut are accumulated, useful library file can be generated
Information.
The above is only embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as this hair
Bright protection domain.
Claims (10)
1. a kind of method of quick analysis automobile power back door strut system, comprises the following steps：
(1) electronic strut template model is pre-build；
(2) the electronic strut and drive form to be analyzed is selected, parameter is read, according to |input paramete under windows, to template
Model is modified, the ADAMS new models under parameter selected by the selected strut of generation；
(3) new model is analyzed with adams/car using batch processing method, analysis strut is under selected parameter needed for obtaining
Analysis result, and export the stress of each parts of strut.
2. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(1) in, the ADAMS kinematics analysis templates that electronic strut template model is electronic strut are set up, the free degree of template model is
Zero.
3. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(2) in, the parameter for reading selected electric tail gate strut is the electronic strut of tail-gate according to selection, and VB6.0 calls selected strut
EXEL parametrization tables, display parameters simultaneously read parameter；Preserved after modification parameter, update the parametrization table of selected strut.
4. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(2) in, also including the space coordinates at the strut two ends according to input, by calculating, the planar dimension conversion of the strut that will be input into
It is spatial point, according to spatial point, changes template model hard spot, generates the adams model hard spots of new strut.
5. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(2) in, according to the space coordinates at the strut two ends according to input, Eulerian angles of each parts of strut in space, modification are calculated
The Eulerian angles of the hard spot of template model, generate the space vector of the adams model hard spots of new strut.
6. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(3) in, the analysis type of the analysis has two kinds of drive forms：1st, motor drives；2nd, manual actuation；According to selected driving shape
Formula, sets up corresponding driving in template model.
7. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(3) in, according to the spring parameter of input, screw mandrel parameter, motor and decelerator parameter, tail-gate weight and centroid position change mould
The spring of Slab, screw mandrel and motor and decelerator parameter and tail-gate parameter.
8. the method for quick analysis automobile power back door strut system according to claim 6, it is characterised in that：According to choosing
The difference and the difference of drive form of the strut selected, change the calling model name in the .ACF files of Simulation Control and different points
Analysis time and step-length.
9. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(3) in, after analysis model, analysis result is exported automatically, and export stress of each parts of strut in motion process.
10. the method for quick analysis automobile power back door strut system according to claim 1, it is characterised in that：Step
(3) in, after model of the selected electronic strut under the parameter of choosing choosing is completed, autoexec is set up under windows, is adjusted
.ACF files are used, calls ADAMS/CAR to be analyzed automatically, complete selected performance evaluation of the strut under selected parameter.
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Cited By (5)
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| CN107330155A (en) * | 2017-06-07 | 2017-11-07 | 周艳红 | The emulation mode and system of a kind of automobile power back door |
| CN108051193A (en) * | 2017-12-08 | 2018-05-18 | 清华大学 | A kind of Vehicular electric support rod mechanism dynamic load simulation method and experimental rig |
| CN108345756A (en) * | 2018-03-07 | 2018-07-31 | 北京顺恒达汽车电子股份有限公司 | A kind of method and device to the optimization design under existing automobile tail gate electricity strut system |
| CN108345755A (en) * | 2018-03-07 | 2018-07-31 | 北京顺恒达汽车电子股份有限公司 | A kind of method and device of the optimization design of the electronic strut system strut torque of automobile tail gate |
| CN109829188A (en) * | 2018-12-19 | 2019-05-31 | 苏州奥杰汽车技术股份有限公司 | A kind of automotive back door opening force analysis method based on ADAMS |
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| CN109829188A (en) * | 2018-12-19 | 2019-05-31 | 苏州奥杰汽车技术股份有限公司 | A kind of automotive back door opening force analysis method based on ADAMS |
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