CN105893692B - A kind of method and apparatus at determining steering wheel hub inclination angle - Google Patents
A kind of method and apparatus at determining steering wheel hub inclination angle Download PDFInfo
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- CN105893692B CN105893692B CN201610246567.6A CN201610246567A CN105893692B CN 105893692 B CN105893692 B CN 105893692B CN 201610246567 A CN201610246567 A CN 201610246567A CN 105893692 B CN105893692 B CN 105893692B
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Abstract
The invention discloses a kind of method and apparatus at determining steering wheel hub inclination angle.Method comprises determining that the reference point for the design and heel point of automotive type to be developed；The vertical range value of reference point for the design and heel point is calculated, and determines that automotive type screens reference value based on the vertical range value of reference point for the design and heel point；It is determined based on automotive type screening reference value and refers to automotive type screening conditions, and it is determined for compliance with reference to the multiple with reference to automotive type of automotive type screening conditions, the vertical range value of multiple reference point for the design with reference to automotive type and heel point is fitted with multiple steering wheel hub tilt values with reference to automotive type, to obtain the first relation formula between steering wheel hub inclination angular dimensions and reference point for the design and the vertical range parameter of heel point；Vertical range value and the first relation formula based on reference point for the design and heel point, determine the steering wheel hub inclination angle of automotive type to be developed.The present invention can reduce development time and human cost, improve development efficiency.
Description
Technical field
The present invention relates to technical field of automobile design, in particular to a kind of the method and dress at determining steering wheel hub inclination angle
It sets.
Background technique
Have in national newest standards " term and definition of automobile and trailer type " (GB/T 3730.1-2001) to automobile
Such as give a definition: by power drive, the vehicle of the non-track carrying with 4 or 4 or more wheels is mainly used for: carrying personnel
And (or) cargo；Draw the vehicle of carrying personnel and (or) cargo；Specific use.
Automobile Design theory is for instructing Automobile Design to practice, and the long-term accumulation of Automobile Design practical experience and automobile are raw
The development and progress of production technology, and Automobile Design theory is made to obtain constantly developing and improving.Automobile Design technology is that automobile is set
The ways and means of meter are the software and hardware of Automobile Design practice.Vehicle man-machine engineering is with people (driver and passenger), vehicle
It is object with environmental system, to improve the working condition of driver and the comfort of interior member as core, with the safe, strong of people
Health is comfortably, efficiently target, makes every effort to make the overall performance of system to be optimal.
Steering wheel hub location parameter is human engineering and relative dimensions parameter important in Automobile Design.Current determination side
It is specifically included that the method for disk center position
(1) method of determination fully forward.In this fashion, R point and heel point (AHP) are rule of thumb substantially determined first
Afterwards, it and realizes the positioning of steering wheel control (Steering Wheel Controls, SWC), then considers man-machine downward view, cloth
It sets gap control and steering behaviour verifying etc. and determines steering wheel hub location parameter.
(2) same vehicle method of determination is referred to.It is rear to carry out after the relevant parameter with reference to same vehicle after this mode
Man-machine, arrangement and performance evaluation verifying are to determine steering wheel hub location parameter.
However, both implementations, require to expend time and manpower, reduce development efficiency.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method and apparatus at determining steering wheel hub inclination angle, thus
Improve development efficiency.
A kind of method at determining steering wheel hub inclination angle, comprising:
Determine the reference point for the design and heel point of automotive type to be developed；
The vertical range value of the reference point for the design and heel point is calculated, and based on the reference point for the design and the heel
The vertical range value of point determines that automotive type screens reference value；
It is determined based on automotive type screening reference value and refers to automotive type screening conditions, and be determined for compliance with the reference
The multiple of automotive type screening conditions refer to automotive type, to the multiple reference point for the design with reference to automotive type and point of calling in person
Vertical range value is fitted with the multiple steering wheel hub tilt values with reference to automotive type, to obtain steering wheel hub
Tilt the first relation formula between angular dimensions and reference point for the design and the vertical range parameter of heel point；
Vertical range value and first relation formula based on the reference point for the design and heel point, determine automobile to be developed
The steering wheel hub inclination angle of vehicle.
Preferably, the automotive type screening reference value is the reference value of the longitudinal separation of steering wheel hub and heel point；Institute
The vertical range value stated based on reference point for the design and heel point determines that automotive type screens reference value, specifically includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The longitudinal separation value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
The second relation formula between disk center and the longitudinal separation parameter of heel point；
Vertical range value and second relation formula based on the reference point for the design and heel point, determine direction
The reference value of the longitudinal separation of disk center and heel point.
Preferably, the automotive type screening reference value is the reference value of the vertical range of steering wheel hub and heel point；Institute
The vertical range value stated based on reference point for the design and heel point determines that automotive type screens reference value, specifically includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；
Vertical range value and the third relation formula based on the reference point for the design and heel point, determine direction
The reference value of the vertical range of disk center and heel point.
Preferably, automotive type screening reference value include the reference value of the longitudinal separation of steering wheel hub and heel point with
And the reference value of the vertical range of steering wheel hub and heel point；The vertical range value based on reference point for the design and heel point determines
Automotive type screens reference value, specifically includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The longitudinal separation value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
The second relation formula between disk center and the longitudinal separation parameter of heel point；
Vertical range value and second relation formula based on the reference point for the design and heel point, determine direction
The reference value of the longitudinal separation of disk center and heel point；
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；
Vertical range value and the third relation formula based on the reference point for the design and heel point, determine direction
The reference value of the vertical range of disk center and heel point.
Preferably:
It is described to refer to vapour when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the longitudinal separation and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the longitudinal separation of heel point less than the first predetermined threshold；Or
It is described to refer to vapour when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the vertical range and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the vertical range of heel point less than the second predetermined threshold；Or
When in the reference value and steering wheel that automotive type screening reference value includes the vertical range of steering wheel hub and heel point
It is described to refer to automotive type screening conditions, comprising: the reference Automobile filtered out when the reference value of the longitudinal separation of the heart and heel point
Type, the difference of the reference value of the longitudinal separation of the longitudinal separation and the steering wheel hub and heel point of steering wheel hub and heel point
Less than the first predetermined threshold and steering wheel hub and the vertical range of heel point and the steering wheel hub with call in person put it is vertical away from
From reference value difference less than the second predetermined threshold.
A kind of device at determining steering wheel hub inclination angle, comprising:
Reference point determining module, for determining the reference point for the design and heel point of automotive type to be developed；
Reference value determining module for calculating the vertical range value of the reference point for the design and heel point, and is based on institute
The vertical range value for stating reference point for the design and heel point determines that automotive type screens reference value；
First relation formula determining module is sieved for being determined based on automotive type screening reference value with reference to automotive type
Condition is selected, and is determined for compliance with described with reference to the multiple with reference to automotive type of automotive type screening conditions, refers to vapour to the multiple
The vertical range value and the multiple steering wheel hub inclination angle with reference to automotive type of the reference point for the design of vehicle vehicle and heel point
Value is fitted, to obtain the between steering wheel hub inclination angular dimensions and reference point for the design and the vertical range parameter of heel point
One relation formula；
Center inclination angle determining module, for the vertical range value and described first based on the reference point for the design and heel point
Relation formula determines the steering wheel hub inclination angle of automotive type to be developed.
Preferably, the automotive type screening reference value is the reference value of the longitudinal separation of steering wheel hub and heel point:
Reference value determining module, for multiple existing automotive types reference point for the design and heel point vertical range value with
The steering wheel hub of multiple existing automotive types and the longitudinal separation value of heel point are fitted, to obtain reference point for the design and heel point
Vertical range parameter and steering wheel hub and heel point longitudinal separation parameter between the second relation formula；Based on the design
Reference point and it is described heel point vertical range value and second relation formula, determine steering wheel hub and heel point front and back away from
From reference value.
Preferably, automotive type screening reference value is the reference value of the vertical range of steering wheel hub and heel point:
Reference value determining module, for multiple existing automotive types reference point for the design and heel point vertical range value with
The steering wheel hub of multiple existing automotive types and the vertical range value of heel point are fitted, to obtain reference point for the design and heel point
Vertical range parameter and steering wheel hub and heel point vertical range parameter between third relation formula；Based on the design
Reference point and it is described heel point vertical range value and the third relation formula, determine steering wheel hub with heel it is vertical away from
From reference value.
Preferably, automotive type screening reference value include the reference value of the longitudinal separation of steering wheel hub and heel point with
And the reference value of the vertical range of steering wheel hub and heel point；
Reference value determining module, for multiple existing automotive types reference point for the design and heel point vertical range value with
The steering wheel hub of multiple existing automotive types and the longitudinal separation value of heel point are fitted, to obtain reference point for the design and heel point
Vertical range parameter and steering wheel hub and heel point longitudinal separation parameter between the second relation formula；Based on the design
Reference point and it is described heel point vertical range value and second relation formula, determine steering wheel hub and heel point front and back away from
From reference value；The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
Steering wheel hub and heel point vertical range value be fitted, with obtain reference point for the design and heel point vertical range parameter with
Third relation formula between steering wheel hub and the vertical range parameter of heel point；Based on the reference point for the design and the heel point
Vertical range value and the third relation formula, determine steering wheel hub and heel point vertical range reference value.
Preferably:
It is described to refer to vapour when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the longitudinal separation and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the longitudinal separation of heel point less than the first predetermined threshold；Or
It is described to refer to vapour when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the vertical range and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the vertical range of heel point less than the second predetermined threshold；Or
When the reference value and steering wheel hub of the vertical range that automotive type screening reference value is steering wheel hub and heel point
It is described to refer to automotive type screening conditions, comprising: the reference Automobile filtered out when the reference value for the longitudinal separation put with heel
Type, the difference of the reference value of the longitudinal separation of the longitudinal separation and the steering wheel hub and heel point of steering wheel hub and heel point
Less than the first predetermined threshold and steering wheel hub and the vertical range of heel point and the steering wheel hub with call in person put it is vertical away from
From reference value difference less than the second predetermined threshold.
It can be seen from the above technical proposal that determining the design reference of automotive type to be developed in embodiment of the present invention
Point and heel point；The vertical range value of reference point for the design and heel point is calculated, and the vertical range value based on reference point for the design and heel point
Determine that automotive type screens reference value；It is determined based on automotive type screening reference value and refers to automotive type screening conditions, and determined
Meet with reference to the multiple with reference to automotive type of automotive type screening conditions, to multiple reference point for the design with reference to automotive type and heel
The vertical range value of point is fitted with multiple steering wheel hub tilt values with reference to automotive type, to obtain steering wheel hub
Tilt the first relation formula between angular dimensions and reference point for the design and the vertical range parameter of heel point；Based on reference point for the design with
The vertical range value and the first relation formula of heel point, determine the steering wheel hub inclination angle of automotive type to be developed.It can be seen that
Using the present invention, the positive connection and trend for finding man-machine engineering parameter size can be preferably summarized, may make selected man-machine
Engineering parameter design value range is more accurate and is suitable for the demand of different automobile types, reduce in design repeatedly and needed for verifying
Cost consumption, to improve development efficiency.
Moreover, embodiment of the present invention based on the data of a large amount of existing automotive types fit the second relation formula and/or
Third relation formula, and determine that automotive type screens reference value according to the second relation formula and/or third relation formula, then
Automotive type screening reference value is recycled to be filtered out from existing automotive type with reference to automotive type, for subsequent further
Fitting operation is determined by once fitting result so that the present invention can more accurately utilize available data and executes secondary intend
The screening conditions of conjunction can reduce the complexity of fit operation.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
The method flow diagram at according to Fig. 1 present invention determine that steering wheel hub inclination angle (A18).
Fig. 2 is according to the schematic diagram of the X datum plane of automobile of the present invention, Y datum plane and Z datum plane.
Fig. 3 is the relation schematic diagram according to the key point in human body sitting posture of the present invention design.
Fig. 4 is the exemplary schematic representation being fitted according to H30 and L11 of the present invention to multiple existing automotive types.
The schematic diagram for referring to automotive type is determined according to Fig. 5 the present invention is based on the reference value of L11.
Fig. 6 is according to the present invention to the fit procedure exemplary schematic representation of multiple H30 and A18 with reference to automotive type.
Present invention determine that the structure drawing of device at steering wheel hub inclination angle according to Fig. 7.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to side of the invention
Case is illustrated.A large amount of details is only used for helping to understand the solution of the present invention in embodiment.However, it will be apparent that of the invention
Technical solution can be not limited to these details when realizing.In order to avoid unnecessarily having obscured the solution of the present invention, Yi Xieshi
It applies mode not described meticulously, but only gives frame.Hereinafter, " comprising " refers to " including but not limited to ", " root
According to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the speech habits of Chinese, hereinafter without spy
When not pointing out the quantity of an ingredient, it is meant that the ingredient is either one or more, or can be regarded as at least one.
Embodiment of the present invention is accumulated according to the model data in passing design, and the vehicle that will build up on is each relevant man-machine
Engineering parameter is combined according to correlation, obtains the relation formula of corresponding relationship dimension combination, is currently opened so as to basis
The a certain fixed human engineering parameter for type of dispatching a car primarily determines the value range of required design parameter using relation formula.
Present invention determine that the method flow diagram of steering wheel hub and the longitudinal separation (H17) of heel point (AHP) according to Fig. 1.
As shown in Figure 1, this method comprises:
Step 101: determining reference point for the design (R) and heel point (AHP) of automotive type to be developed.
Fig. 2 is according to the schematic diagram of the X datum plane of automobile of the present invention, Y datum plane and Z datum plane.Including:
X datum plane: perpendicular to the vertical plane of Y datum plane, left and right front-wheel center is normally defined passing through；Y datum plane: automobile is vertical
To symmetrical plane；Z datum plane: perpendicular to the horizontal plane of Y and X datum plane.
Fig. 3 is the relation schematic diagram according to the key point in human body sitting posture of the present invention design.In Fig. 3, design is illustrated
Reference point (R point), heel point (AHP), heel point and the vertical range (H30) of R point, the level of steering wheel hub point (SWC) and heel point
The vertical range (H17) and steering wheel hub tilt angle of distance (i.e. longitudinal separation L11), steering wheel hub point and heel point
(A18)。
Step 102: calculating the vertical range value of reference point for the design and heel point, and vertical with heel point based on reference point for the design
Distance value determines that automotive type screens reference value.
In one embodiment, automotive type screening reference value is the reference of the longitudinal separation of steering wheel hub and heel point
Value；Vertical range value in step 102 based on reference point for the design and heel point determines that automotive type screening reference value includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The longitudinal separation value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
The second relation formula between disk center and the longitudinal separation parameter of heel point；
Vertical range value and second relation formula based on the reference point for the design and heel point, determine direction
The reference value of the longitudinal separation of disk center and heel point.
In one embodiment, automotive type screening reference value is the reference of the vertical range of steering wheel hub and heel point
Value；Vertical range value in step 102 based on reference point for the design and heel point determines that automotive type screening reference value includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；
Vertical range value and the third relation formula based on the reference point for the design and heel point, determine direction
The reference value of the vertical range of disk center and heel point.
In one embodiment, automotive type screening reference value includes the ginseng of the longitudinal separation of steering wheel hub and heel point
Examine the reference value of the vertical range of value and steering wheel hub and heel point；It is hung down in step 102 based on what reference point for the design and heel were put
Straight distance value determines that automotive type screening reference value includes:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The longitudinal separation value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
The second relation formula between disk center and the longitudinal separation parameter of heel point；
Vertical range value and second relation formula based on reference point for the design and heel point, determine in steering wheel
The reference value of the longitudinal separation of the heart and heel point；
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；
Based on reference point for the design and it is described heel point vertical range value and third relation formula, determine steering wheel hub with
The reference value of the vertical range of heel point.
Citing, can be based on the reference point and heel point that step 101 determines, the vertical range value of calculating reference point and heel point
(i.e. H30), and determine the reference value for the longitudinal separation (i.e. L11) that steering wheel hub is put with heel to make based on calculated H30 value
Reference value is screened for automotive type.
Specifically, the vertical range value based on reference point for the design and heel point determines the longitudinal separation of steering wheel hub and heel point
Reference value, comprising: vertical range value and multiple existing automobiles to the reference point for the design of multiple existing automotive types and heel point
The steering wheel hub of vehicle and the longitudinal separation value of heel point are fitted, and are joined with obtaining the vertical range of reference point for the design and heel point
The second relation formula between several and steering wheel hub and the longitudinal separation parameter of heel point；It is set based on determined by step 101
The vertical range value and the second relation formula for counting reference point and heel point determine the ginseng of the longitudinal separation of steering wheel hub and heel point
Examine value, that is to say, that the vertical range value of reference point for the design identified in step 101 and heel point is substituted into the second relation formula
To calculate the reference value of the longitudinal separation of steering wheel hub and heel point.Preferably, to the design reference of multiple existing automotive types
Point is fitted with the vertical range value of heel point and the longitudinal separation value of the steering wheel hub and heel point of multiple existing automotive types,
It include: the direction of the vertical range value and multiple existing automotive types to the reference point for the design of multiple existing automotive types and heel point
The longitudinal separation value of disk center and heel point carries out linear least square fitting；Or, to the design reference of multiple existing automotive types
The longitudinal separation value of point and the vertical range value of heel point and the steering wheel hub of multiple existing automotive types and heel point carries out non-thread
Property least square fitting.
Exemplarily, based on L11 numerical value possessed by multiple existing automotive types and H30 numerical value, second fitted is closed
It is formula are as follows:
L11=(A1 × H30+B1) ± C1,；Wherein, A1, B1 and C1 are the constant that the Fitting Calculation goes out.
Fig. 4 is the exemplary schematic representation being fitted according to H30 and L11 of the present invention to multiple existing automotive types.
As shown in figure 4, acquiring the H30 numerical value and L11 numerical value of the existing automobile of 7 sports type vehicles first, and in horizontal axis
It is the related data for indicating this 7 existing automobiles in the coordinate system of L11 respectively for H30, the longitudinal axis, obtains data point A, data point
B, data point C, data point D, data point E, data point F and data point G.Then, point A, data point B, data based on these data
Point C, data point D, data point E, data point F and data point G, fit Linear Quasi zygonema, expression function be L11=(A1 ×
H30+B1)±C1；Wherein, A1, B1 and C1 are the constant that the Fitting Calculation goes out, which is the second relation formula.Specifically
, can be using the macro tool write in realization, the design parameter extracted in database utilizes least square method, passes through minimum
The optimum linear function that the quadratic sum of error is found in statistical data is matched.The capacity of data is enriched constantly in the database
After accumulation, due to the passage in age time, caused new design style, New technical use, new legislation requires and crowd's physiology
The update (whole height promoted etc.) of size statistic data, this empirical equation need interim foundation latest data storehouse state into
Row updates.
Then, the H30 determined in step 101 is substituted into the second relation formula, obtains the reference value of L11.
Preferably, L11=396.624 ± C；It is highly preferred that finally the reference value of determining L11 is 364.
Specifically, the vertical range value based on reference point for the design and heel point determines the vertical range of steering wheel hub and heel point
Reference value, comprising:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point is fitted, to obtain vertical range parameter and the side of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；
Based on the vertical range value and third relation formula of reference point for the design identified in step 101 and heel point, really
Determine steering wheel hub and heel point vertical range reference value, that is to say, that by reference point for the design identified in step 101 with
The vertical range value of heel point substitutes into third relation formula to calculate the reference value of the vertical range of steering wheel hub and heel point.It is preferred that
, the vertical range value of reference point for the design and heel point to multiple existing automotive types and the steering wheel of multiple existing automotive types
Center and the vertical range value of heel point are fitted, comprising:
The vertical range value and multiple existing automotive types of reference point for the design and heel point to multiple existing automotive types
The vertical range value of steering wheel hub and heel point carries out linear least square fitting；Or, the design to multiple existing automotive types
The steering wheel hub of the vertical range value and multiple existing automotive types of reference point and heel point and the vertical range value of heel point carry out
Nonlinear least square fitting.
Exemplarily, based on H17 numerical value possessed by multiple existing automotive types and H30 numerical value, the third fitted is closed
It is formula are as follows:
H17=(A2 × H30+B2) ± C2；Wherein, A2, B2 and C2 are the constant that the Fitting Calculation goes out.
Then, the H30 determined in step 101 is substituted into third relation formula, obtains the reference value of H17.
Preferably, H17=687.36 ± C1；It is highly preferred that finally the reference value of determining H17 is 666.6.
Step 103: being determined based on automotive type screening reference value and refer to automotive type screening conditions, and be determined for compliance with reference
The multiple of automotive type screening conditions refer to automotive type, to the multiple reference point for the design with reference to automotive type and point of calling in person
Vertical range value is fitted with the multiple steering wheel hub tilt values with reference to automotive type, to obtain steering wheel hub
Tilt the first relation formula between angular dimensions and reference point for the design and the vertical range parameter of heel point.
In one embodiment: when the ginseng for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
It is described to refer to automotive type screening conditions when examining value, comprising: the reference automotive type filtered out, steering wheel hub and heel point
Longitudinal separation and the steering wheel hub and heel point longitudinal separation reference value difference less than the first predetermined threshold.
In one embodiment: when the ginseng for the vertical range that automotive type screening reference value is steering wheel hub and heel point
It is described to refer to automotive type screening conditions when examining value, comprising: the reference automotive type filtered out, steering wheel hub and heel point
Vertical range and the steering wheel hub and heel point vertical range reference value difference less than the second predetermined threshold.
In one embodiment: when automotive type screening reference value includes the vertical range of steering wheel hub and heel point
It is described to refer to automotive type screening conditions, comprising: sieve when the reference value of the longitudinal separation of reference value and steering wheel hub and heel point
The reference automotive type selected, steering wheel hub and heel point longitudinal separation and the steering wheel hub and heel point front and back away from
From reference value difference less than the first predetermined threshold and in the vertical range and the steering wheel of steering wheel hub and heel point
The difference of the reference value of the vertical range of the heart and heel point is less than the second predetermined threshold.
For example, when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point, if
The reference value for determining the longitudinal separation of steering wheel hub and heel point in a step 102 is 364, it is assumed that the first predetermined threshold is
20.At this point, the reference automotive type filtered out, the longitudinal separation of steering wheel hub and heel point be located at range [344,384] it
It is interior.
For another example, when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point, such as
Fruit determines that the reference value of the longitudinal separation of steering wheel hub and heel point is 364 in a step 102, it is assumed that the first predetermined threshold is
30.At this point, the reference automotive type filtered out, the longitudinal separation of steering wheel hub and heel point be located at range [334,394] it
Between.
For example, when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point, if
The reference value for determining the vertical range of steering wheel hub and heel point in a step 102 is 666.6, it is assumed that the second predetermined threshold is
30.At this point, the reference automotive type filtered out, the vertical range of steering wheel hub and heel point be located at range [636.6,
696.6] within.
For another example, when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point, such as
Fruit determines that the reference value of the vertical range of steering wheel hub and heel point is 666.6 in a step 102, it is assumed that the second predetermined threshold
It is 40.At this point, the reference automotive type filtered out, the vertical range of steering wheel hub and heel point be located at range [626.6,
706.6] within.
For another example, when reference value and the side that automotive type screening reference value includes the vertical range of steering wheel hub and heel point
To disk center and heel point longitudinal separation reference value, and in a step 102 determine steering wheel hub with heel it is vertical away from
From reference value be 666.6 and when the reference value of longitudinal separation of steering wheel hub and heel point is 364, it is assumed that the first predetermined threshold
Value be 30 and second predetermined threshold be 40.At this point, the reference automotive type filtered out, steering wheel hub is vertical with heel point
Distance is located within [626.6,706.6] and the longitudinal separation range of steering wheel hub and heel point is [334,394].
Preferably, multiple to belong to identical separation vehicle with reference to automotive type and automotive type to be developed.Separation vehicle packet
It includes at least one of following: orthodox car, hybrid vehicle, electric car, minicar, compact car, compact sedan, medium-sized
Vehicle, medium-and-large-sized vehicle, luxurious car, multipurpose automobile MPV, sport utility vehicle or sport car, etc..
The schematic diagram for referring to automotive type is determined according to Fig. 5 the present invention is based on the reference value of L11.
As shown in figure 5, when the reference value of the longitudinal separation of steering wheel hub and heel point is 364, it is assumed that the first predetermined threshold
Value is 30.So, the reference automotive type filtered out, steering wheel hub and heel point longitudinal separation be located at range [334,
394] within.Further constraint condition of the threshold value of H30 to refer to automotive type as screening can also be further set.Than
Such as, the threshold value of H30 is 350, then the H30 of the reference automotive type filtered out is not greater than 350.As seen from Figure 5, Automobile
Type D and automotive type E are located at the range intervals, therefore can be used as with reference to automotive type；Automotive type A, automotive type B and vapour
Vehicle vehicle C is not located at the range intervals, therefore cannot be as with reference to automotive type.
After determining with reference to automotive type, to the vertical range of multiple reference point for the design with reference to automotive type and heel point
Value is fitted with multiple steering wheel hub tilt values with reference to automotive type, with obtain steering wheel hub inclination angular dimensions with
The first relation formula between reference point for the design and the vertical range parameter of heel point, specifically includes:
Vertical range value to multiple reference point for the design with reference to automotive type and heel point and multiple with reference to automotive type
Steering wheel hub tilt values carry out linear least square fitting；Or
Vertical range value to multiple reference point for the design with reference to automotive type and heel point and multiple with reference to automotive type
Steering wheel hub tilt values carry out nonlinear least square fitting.
Fig. 6 is according to the present invention to the fit procedure exemplary schematic representation of multiple H30 and A18 with reference to automotive type.
As shown in fig. 6, acquiring the H30 numerical value and A18 numerical value of 7 existing automobiles with reference to automotive type first, and in cross
Axis is H30, the longitudinal axis is the related data for indicating this 7 existing automobiles in the coordinate system of A18 respectively, obtains data point A, data
Point B, data point C, data point D, data point E, data point F and data point G.Then, point A, data point B, number based on these data
Strong point C, data point D, data point E, data point F and data point G, fit Linear Quasi zygonema, and expression function is A18=(A3
× H30+B3) ± C3, which is the first relation formula；Wherein, A3, B3 and C3 are the constant that the Fitting Calculation goes out.Tool
, can be using the macro tool write during body is realized, the design parameter extracted in database utilizes least square method, passes through minimum
The optimum linear function changed in the quadratic sum searching statistical data of error is matched.The capacity of data is constantly rich in the database
After richness accumulation, due to the passage in age time, caused new design style, New technical use, new legislation are required and crowd is raw
The update (whole height promotion etc.) of size statistic data is managed, this empirical equation needs interim foundation latest data storehouse state
It is updated.
It is exemplary, the first relation formula are as follows: A18=(A3 × H30+B3) ± C3.Wherein, A3, B3 and C3 are fitting meter
The constant of calculating.
The specific example of fitting algorithm and separation vehicle is enumerated above, it will be appreciated by those of skill in the art that this hair
Bright to use other fitting algorithms, embodiment of the present invention is to this and is not limited.
Step 104: vertical range value and the first relation formula based on reference point for the design and heel point determine automobile to be developed
The steering wheel hub tilt values of vehicle.
Herein, the vertical range value of the reference point for the design determined in step 101 and heel point is substituted into the first relation formula,
So that it is determined that going out to develop the steering wheel hub tilt values of automotive type.Preferably, the first relation formula are as follows: A18=(28.26
±C3)°；It is highly preferred that A18 is equal to 27.4 °.
As it can be seen that embodiment of the present invention based on the data of a large amount of existing automotive types fit the second relation formula and/or
Third relation formula, and determine L11 and/or H17 value using as reference according to the second relation formula and/or third relation formula
Then value recycles the reference value to be filtered out from existing automotive type with reference to automotive type, further to intend for subsequent
It closes operation and determines the sieve of quadratic fit by once fitting result so that the present invention can more accurately utilize available data
Condition is selected, the complexity of fit operation can be reduced, improves design efficiency, and ensure that data precision.
Based on foregoing description, embodiment of the present invention also proposed a kind of device at determining steering wheel hub inclination angle.
Present invention determine that the structure drawing of device at steering wheel hub inclination angle according to Fig. 7.
As shown in fig. 7, the device 700 includes:
Reference point determining module 701, for determining the reference point for the design and heel point of automotive type to be developed；
Reference value determining module 702 for calculating the vertical range value of the reference point for the design and heel point, and is based on
The vertical range value of the reference point for the design and heel point determines that automotive type screens reference value；
First relation formula determining module 703 refers to Automobile for determining based on automotive type screening reference value
Type screening conditions, and be determined for compliance with it is described with reference to the multiple with reference to automotive type of automotive type screening conditions, to the multiple ginseng
The vertical range value for examining the reference point for the design and heel point of automotive type is inclined with the multiple steering wheel hub with reference to automotive type
Bevel angle value is fitted, to obtain between steering wheel hub inclination angular dimensions and reference point for the design and the vertical range parameter of heel point
The first relation formula；
Center inclination angle determining module 704, for the vertical range value and described based on the reference point for the design with heel point
First relation formula determines the steering wheel hub inclination angle of automotive type to be developed.
In one embodiment, automotive type screening reference value is the reference of the longitudinal separation of steering wheel hub and heel point
Value；
Reference value determining module 702, the vertical range for reference point for the design and heel point to multiple existing automotive types
The steering wheel hub of value and multiple existing automotive types and the longitudinal separation value of heel point are fitted, with obtain reference point for the design with
The second relation formula between the vertical range parameter and steering wheel hub and the longitudinal separation parameter of heel point of point of calling in person；Based on described
The vertical range value and second relation formula of reference point for the design and heel point, before determining steering wheel hub and heel point
The reference value of distance afterwards.
In one embodiment, automotive type screening reference value is the reference of the vertical range of steering wheel hub and heel point
Value；
Reference value determining module 702, the vertical range for reference point for the design and heel point to multiple existing automotive types
The steering wheel hub of value and multiple existing automotive types and the vertical range value of heel point are fitted, with obtain reference point for the design with
Third relation formula between the vertical range parameter and steering wheel hub and the vertical range parameter of heel point of point of calling in person；Based on described
Reference point for the design and it is described heel point vertical range value and the third relation formula, determine steering wheel hub and heel point hang down
The reference value of straight distance.
In one embodiment, the automotive type screening reference value includes the longitudinal separation of steering wheel hub and heel point
Reference value and steering wheel hub and heel point vertical range reference value；
Reference value determining module 702, the vertical range for reference point for the design and heel point to multiple existing automotive types
The steering wheel hub of value and multiple existing automotive types and the longitudinal separation value of heel point are fitted, with obtain reference point for the design with
The second relation formula between the vertical range parameter and steering wheel hub and the longitudinal separation parameter of heel point of point of calling in person；Based on described
The vertical range value and second relation formula of reference point for the design and heel point, before determining steering wheel hub and heel point
The reference value of distance afterwards；Vertical range value and the multiple existing automobiles of reference point for the design and heel point to multiple existing automotive types
The steering wheel hub of vehicle and the vertical range value of heel point are fitted, and are joined with obtaining the vertical range of reference point for the design and heel point
Third relation formula between several and steering wheel hub and the vertical range parameter of heel point；Based on the reference point for the design with it is described
The vertical range value of heel point and the third relation formula determine the reference value of the vertical range of steering wheel hub and heel point.
In one embodiment:
It is described to refer to vapour when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the longitudinal separation and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the longitudinal separation of heel point less than the first predetermined threshold；Or
It is described to refer to vapour when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point
Vehicle vehicle screening conditions, comprising: the reference automotive type filtered out, the vertical range and the side of steering wheel hub and heel point
To the difference of disk center and the reference value of the vertical range of heel point less than the second predetermined threshold；Or
When the reference value and steering wheel hub of the vertical range that automotive type screening reference value is steering wheel hub and heel point
It is described to refer to automotive type screening conditions, comprising: the reference Automobile filtered out when the reference value for the longitudinal separation put with heel
Type, the difference of the reference value of the longitudinal separation of the longitudinal separation and the steering wheel hub and heel point of steering wheel hub and heel point
Less than the first predetermined threshold and steering wheel hub and the vertical range of heel point and the steering wheel hub with call in person put it is vertical away from
From reference value difference less than the second predetermined threshold.
In conclusion determining the reference point for the design and heel point of automotive type to be developed in embodiment of the present invention；Calculating is set
The vertical range value of reference point and heel point is counted, and determines that automotive type is screened based on the vertical range value of reference point for the design and heel point
Reference value；It is determined based on automotive type screening reference value and refers to automotive type screening conditions, and be determined for compliance with reference to automotive type
Screening conditions it is multiple refer to automotive type, to multiple reference point for the design with reference to automotive type and heel point vertical range value with
Multiple steering wheel hub tilt values with reference to automotive type are fitted, to obtain steering wheel hub inclination angular dimensions and design
The first relation formula between reference point and the vertical range parameter of heel point；Vertical range value based on reference point for the design and heel point
And first relation formula, determine the steering wheel hub inclination angle of automotive type to be developed.It can be seen that using the present invention, it can be more
The positive connection and trend for finding man-machine engineering parameter size are summarized well, may make selected human engineering parameter design value model
Enclose demand that is more accurate and being suitable for different automobile types, thus improve development efficiency and reduce in design repeatedly and verifying institute
The cost consumption needed.
Moreover, embodiment of the present invention based on the data of a large amount of existing automotive types fit the second relation formula and/or
Third relation formula, and determine that automotive type screens reference value according to the second relation formula and/or third relation formula, then
Automotive type screening reference value is recycled to be filtered out from existing automotive type with reference to automotive type, for subsequent further
Fitting operation is determined by once fitting result so that the present invention can more accurately utilize available data and executes secondary intend
The screening conditions of conjunction can reduce the complexity of fit operation, improve design efficiency.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of method at determining steering wheel hub inclination angle characterized by comprising
Determine the reference point for the design and heel point of automotive type to be developed；
The vertical range value of the reference point for the design and the heel point is calculated, and based on the reference point for the design and the heel point
Vertical range value determines that automotive type screens reference value；
It is determined based on automotive type screening reference value and refers to automotive type screening conditions, and be determined for compliance with described with reference to automobile
The multiple of vehicle screening conditions refer to automotive type, vertical with heel point to the multiple reference point for the design with reference to automotive type
Distance value is fitted with the multiple steering wheel hub tilt values with reference to automotive type, to obtain steering wheel hub inclination
The first relation formula between angular dimensions and reference point for the design and the vertical range parameter of heel point；
Vertical range value and first relation formula based on the reference point for the design and heel point, determine automotive type to be developed
Steering wheel hub inclination angle；Wherein:
The automotive type screening reference value is the reference value of the longitudinal separation of steering wheel hub and heel point；It is described to be joined based on design
Examination point and the vertical range value of heel point determine that automotive type screens reference value, specifically include: setting to multiple existing automotive types
Count reference point and heel point vertical range value and multiple existing automotive types steering wheel hub and heel point longitudinal separation value into
Row fitting, with obtain reference point for the design and heel point vertical range parameter and steering wheel hub and heel point longitudinal separation parameter it
Between the second relation formula；Vertical range value and second relationship based on the reference point for the design and heel point are public
Formula determines the reference value of the longitudinal separation of steering wheel hub and heel point；Or
The automotive type screening reference value is the reference value of the vertical range of steering wheel hub and heel point；It is described to be joined based on design
Examination point and the vertical range value of heel point determine that automotive type screens reference value, specifically include: setting to multiple existing automotive types
Count reference point and heel point vertical range value and multiple existing automotive types steering wheel hub and heel point vertical range value into
Row fitting, with obtain reference point for the design and heel point vertical range parameter and steering wheel hub and heel point vertical range parameter it
Between third relation formula；Vertical range value and the third relationship based on the reference point for the design and heel point are public
Formula determines the reference value of the vertical range of steering wheel hub and heel point；Or
The automotive type screening reference value includes in the reference value and steering wheel of the longitudinal separation of steering wheel hub and heel point
The reference value of the vertical range of the heart and heel point；The vertical range value based on reference point for the design and heel point determines that automotive type is sieved
Select reference value, specifically include: the vertical range value of reference point for the design and heel point to multiple existing automotive types has with multiple
The steering wheel hub of automotive type and heel point longitudinal separation value be fitted, with obtain reference point for the design with heel put it is vertical away from
From the second relation formula between parameter and steering wheel hub and the longitudinal separation parameter of heel point；Based on the reference point for the design with
The vertical range value of the heel point and second relation formula, determine the reference of the longitudinal separation of steering wheel hub and heel point
Value；The vertical range value of reference point for the design and heel point to multiple existing automotive types and the steering wheel of multiple existing automotive types
Center and the vertical range value of heel point are fitted, to obtain in the vertical range parameter and steering wheel of reference point for the design and heel point
Third relation formula between the heart and the vertical range parameter of heel point；Based on the reference point for the design with it is described heel point it is vertical away from
From value and the third relation formula, the reference value of the vertical range of steering wheel hub and heel point is determined.
2. the method at determining steering wheel hub inclination angle according to claim 1, which is characterized in that
It is described to refer to Automobile when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
Type screening conditions, comprising: the reference automotive type filtered out, the longitudinal separation and the steering wheel of steering wheel hub and heel point
The difference of the reference value of the longitudinal separation of center and heel point is less than the first predetermined threshold；Or
It is described to refer to Automobile when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point
Type screening conditions, comprising: the reference automotive type filtered out, the vertical range and the steering wheel of steering wheel hub and heel point
The difference of the reference value of the vertical range of center and heel point is less than the second predetermined threshold；Or
When automotive type screening reference value include steering wheel hub and heel point vertical range reference value and steering wheel hub with
It is described to refer to automotive type screening conditions when the reference value of the longitudinal separation of heel point, comprising: the reference automotive type filtered out,
The longitudinal separation and the steering wheel hub and the difference of the reference value of the longitudinal separation of heel point of its steering wheel hub and heel point are small
In the vertical range and the steering wheel hub of the first predetermined threshold and steering wheel hub and heel point and the vertical range of heel point
Reference value difference less than the second predetermined threshold.
3. a kind of device at determining steering wheel hub inclination angle characterized by comprising
Reference point determining module, for determining the reference point for the design and heel point of automotive type to be developed；
Reference value determining module is set for calculating the vertical range value of the reference point for the design and heel point, and based on described
Meter reference point and the vertical range value of heel point determine that automotive type screens reference value；
First relation formula determining module screens item with reference to automotive type for determining based on automotive type screening reference value
Part, and it is determined for compliance with described with reference to the multiple with reference to automotive type of automotive type screening conditions, Automobile is referred to the multiple
The vertical range value and the multiple steering wheel hub tilt values with reference to automotive type of the reference point for the design of type and heel point into
Row fitting is closed with obtaining first between steering wheel hub inclination angular dimensions and reference point for the design and the vertical range parameter of heel point
It is formula；
Center inclination angle determining module, for vertical range value and first relationship based on the reference point for the design and heel point
Formula determines the steering wheel hub inclination angle of automotive type to be developed；Wherein:
The automotive type screening reference value is the reference value of the longitudinal separation of steering wheel hub and heel point；Reference value determines mould
Block, for the vertical range value of reference point for the design and heel point to multiple existing automotive types and the side of multiple existing automotive types
It is fitted to disk center and the longitudinal separation value of heel point, to obtain vertical range parameter and the direction of reference point for the design and heel point
The second relation formula between disk center and the longitudinal separation parameter of heel point；It is hung down based on what the reference point for the design and the heel were put
Straight distance value and second relation formula determine the reference value of the longitudinal separation of steering wheel hub and heel point；Or
The automotive type screening reference value is the reference value of the vertical range of steering wheel hub and heel point；Reference value determines mould
Block, for the vertical range value of reference point for the design and heel point to multiple existing automotive types and the side of multiple existing automotive types
It is fitted to disk center and the vertical range value of heel point, to obtain vertical range parameter and the direction of reference point for the design and heel point
Third relation formula between disk center and the vertical range parameter of heel point；It is hung down based on what the reference point for the design and the heel were put
Straight distance value and the third relation formula determine the reference value of the vertical range of steering wheel hub and heel point；Or
The automotive type screening reference value includes in the reference value and steering wheel of the longitudinal separation of steering wheel hub and heel point
The reference value of the vertical range of the heart and heel point；Reference value determining module, for the reference point for the design to multiple existing automotive types
It is fitted with the longitudinal separation value of the steering wheel hub and heel point of the vertical range value and multiple existing automotive types of heel point, with
Obtain second between the vertical range parameter of reference point for the design and heel point and steering wheel hub and the longitudinal separation parameter of heel point
Relation formula；Vertical range value and second relation formula based on the reference point for the design and heel point, determination side
To the reference value of disk center and the longitudinal separation of heel point；It is vertical with heel point to the reference point for the design of multiple existing automotive types away from
It is fitted from value and the vertical range value of the steering wheel hub and heel point of multiple existing automotive types, to obtain reference point for the design
With the third relation formula between the vertical range parameter and steering wheel hub of heel point and the vertical range parameter of heel point；Based on institute
State reference point for the design and it is described heel point vertical range value and the third relation formula, determine steering wheel hub and heel point
The reference value of vertical range.
4. the device at determining steering wheel hub inclination angle according to claim 3, which is characterized in that
It is described to refer to Automobile when the reference value for the longitudinal separation that automotive type screening reference value is steering wheel hub and heel point
Type screening conditions, comprising: the reference automotive type filtered out, the longitudinal separation and the steering wheel of steering wheel hub and heel point
The difference of the reference value of the longitudinal separation of center and heel point is less than the first predetermined threshold；Or
It is described to refer to Automobile when the reference value for the vertical range that automotive type screening reference value is steering wheel hub and heel point
Type screening conditions, comprising: the reference automotive type filtered out, the vertical range and the steering wheel of steering wheel hub and heel point
The difference of the reference value of the vertical range of center and heel point is less than the second predetermined threshold；Or
When automotive type screening reference value include steering wheel hub and heel point vertical range reference value and steering wheel hub with
It is described to refer to automotive type screening conditions when the reference value of the longitudinal separation of heel point, comprising: the reference automotive type filtered out,
The longitudinal separation and the steering wheel hub and the difference of the reference value of the longitudinal separation of heel point of its steering wheel hub and heel point are small
In the vertical range and the steering wheel hub of the first predetermined threshold and steering wheel hub and heel point and the vertical range of heel point
Reference value difference less than the second predetermined threshold.
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| CN102012958A (en) * | 2010-12-29 | 2011-04-13 | 奇瑞汽车股份有限公司 | Method for designing automobile body structure layout |
| CN103425809A (en) * | 2012-05-22 | 2013-12-04 | 北汽福田汽车股份有限公司 | Vehicle seat design method |
| CN105354383A (en) * | 2015-11-09 | 2016-02-24 | 北京长城华冠汽车科技股份有限公司 | Determination method for anteroposterior position of gear shift lever of vehicle |
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