CN109190147A - Maximal bending moment acquisition methods and device, the device with store function of vehicle-carrying plate - Google Patents
Maximal bending moment acquisition methods and device, the device with store function of vehicle-carrying plate Download PDFInfo
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Abstract
This application provides a kind of maximal bending moment acquisition methods of vehicle-carrying plate, device and device with store function, maximal bending moment acquisition methods include: the weight for obtaining the vehicle of vehicle-carrying plate carrying, wheelbase first distance between front wheels and rear wheels, second distance of the contact point of front-wheel and vehicle-carrying plate to vehicle-carrying plate first end point, third distance of the contact point of rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end point, the length and automobile wheel load distribution coefficient of vehicle-carrying plate, wherein, the length of vehicle-carrying plate is the distance between first end point and the second endpoint, front-wheel is adjacent with first end point, rear-wheel is adjacent with the second endpoint；Support reaction is obtained according to above-mentioned parameter, the maximal bending moment of vehicle-carrying plate is obtained according to support reaction and relevant parameter, can improve and examine the security performance of vehicle-carrying plate to provide foundation for actual loading, structure or the selection of subsequent determining vehicle-carrying plate according to the maximal bending moment.
Description
Technical field
The present invention relates to a kind of calculating fields of vehicle-carrying plate, are specifically related to a kind of maximal bending moment acquisition side of vehicle-carrying plate
Method, device, the device with store function.
Technical background
The society in city, economy, transport development, urban traffic blocking are got worse at present, urban land growing tension, and
Outdoor Surface parking lots take up a large area, and the quantity that parks cars is few, and mechanical three-dimensional parking device occupied area is small, with vertical
Body parking apparatus can solve the contradiction of parking stall occupied area Yu resident's commercialization area, with the relevant technologies of three-dimensional parking device
It is increasingly mature, three-dimensional parking device is gradually applied and promotes in each city.It, need to be by carrier vehicle when designing stereo garage
The actual loading of plate and the default stress of vehicle-carrying plate compare, and examine whether vehicle-carrying plate meets the safety condition of carrying, and root
Decide whether the security performance for the structure of vehicle-carrying plate or selection being improved and being examined vehicle-carrying plate according to inspection result.But mesh
The method and apparatus of the distribution of force of the preceding vehicle-carrying plate about stereo garage is less, therefore, is badly in need of providing a kind of the curved of vehicle-carrying plate
Square acquisition methods, device, the device with store function.
Summary of the invention
The application is mainly solving the technical problems that providing a kind of maximal bending moment acquisition methods of vehicle-carrying plate and device, having
The maximal bending moment of vehicle-carrying plate can accurately, be easily calculated in the device of store function, be the reality of subsequent determining vehicle-carrying plate
Stress, structure or selection improve and examine the security performance of vehicle-carrying plate to provide foundation.
In order to solve the above technical problems, the maximum that first technical solution that the application uses is to provide a kind of vehicle-carrying plate is curved
Square acquisition methods, the maximal bending moment acquisition methods include between the weight for obtaining the vehicle of vehicle-carrying plate carrying, front wheels and rear wheels
The contact point of wheelbase first distance, front-wheel and vehicle-carrying plate to first end point second distance, the contact point of rear-wheel and vehicle-carrying plate with
Third distance, the length of vehicle-carrying plate and the automobile wheel load distribution coefficient of first end point, wherein the length of vehicle-carrying plate is first end
The distance between point and the second endpoint, front-wheel is adjacent with first end point, and rear-wheel is adjacent with the second endpoint；According to the weight of vehicle,
Automobile wheel load distribution coefficient, first distance, second distance and third distance obtain the support reaction of first end point and the second endpoint；
Weight, first distance, second distance and the third distance of support reaction, vehicle based on first end point and the second endpoint, in vapour
Wheel carries the maximal bending moment that vehicle-carrying plate is obtained in the effective range of distribution coefficient.
Wherein, it is obtained according to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance and third distance
Include: to the step of support reaction of first end point and the second endpoint
First parameter determined by the ratio of first distance and the length of vehicle-carrying plate, by the length of second distance and vehicle-carrying plate
Ratio determines the second parameter；
First end point and are obtained according to the weight of vehicle, the first parameter, the second parameter and automobile wheel load distribution coefficient
Double-pointed support reaction；
Weight, first distance, second distance and the third of support reaction, vehicle based on first end point and the second endpoint away from
From, in the effective range of automobile wheel load distribution coefficient obtain vehicle-carrying plate maximal bending moment the step of include:
Weight, the first parameter, the second parameter of support reaction, vehicle based on first end point and the second endpoint, in automotive wheels
Carry the maximal bending moment that the set point of vehicle-carrying plate is obtained in the effective range of distribution coefficient；And it will be maximum in the maximal bending moment of set point
Value is determined as the maximal bending moment of vehicle-carrying plate.
Wherein, set point is the contact point of wheel and vehicle-carrying plate.
Wherein, first end point is obtained according to the weight of vehicle, the first parameter, the second parameter and automobile wheel load distribution coefficient
It is specifically included with the step of support reaction of the second endpoint:
The support reaction of first end point is determined by following formula (1):
F1=(1 ﹣ δ ﹣ α γ) Gv
The support reaction of the second endpoint is determined by following formula (2):
F2=(δ+α γ) Gv
Wherein, GvFor the weight of vehicle；γ is the first parameter, and δ is the second parameter, and α is automobile wheel load distribution coefficient.
Wherein, weight, the first parameter, the second parameter of support reaction, vehicle based on first end point and the second endpoint, in vapour
Wheel carries the maximal bending moment that the set point of vehicle-carrying plate is obtained in the effective range of distribution coefficient；And it will be in the maximal bending moment of set point
Maximum value is determined as the step of maximal bending moment of vehicle-carrying plate and includes:
Weight, the first parameter, the second parameter of support reaction, vehicle based on first end point and the second endpoint, in automotive wheels
In the effective range for carrying distribution coefficient, the maximal bending moment of the set point of vehicle-carrying plate is obtained by extreme value inequality principle.
Wherein, weight, the first parameter, the third parameter of support reaction, vehicle based on first end point and the second endpoint, in vapour
Wheel carried after the step of maximal bending moment for obtaining the set point of vehicle-carrying plate in the effective range of distribution coefficient further include:
Range amendment is carried out to automobile wheel load distribution coefficient according to the distribution of the maximal bending moment of each set point of vehicle-carrying plate.
Wherein, wheelbase first distance, front-wheel and the load between the weight, front wheels and rear wheels of the vehicle of acquisition vehicle-carrying plate carrying
Second distance of the contact point of sweep to vehicle-carrying plate first end point, the first end point of the contact point of rear-wheel and vehicle-carrying plate to vehicle-carrying plate
Third distance, the length of vehicle-carrying plate and the step of automobile wheel load distribution coefficient before further include:
The carrying for detecting vehicle-carrying plate, judge on vehicle-carrying plate whether vehicle；If vehicle on vehicle-carrying plate, vehicle is detected
Whether it is greater than preset value with the number of the contact point of vehicle-carrying plate, if contact point is greater than preset value, according to the model pair of vehicle
The wheelbase of the wheelbase answered and the vehicle actually obtained judge vehicle front and rear wheel whether simultaneously on vehicle-carrying plate, if it is determined that vehicle
Front and rear wheel on vehicle-carrying plate, execute the wheelbase first between the weight of vehicle for obtaining vehicle-carrying plate carrying, front wheels and rear wheels
Distance, front-wheel and vehicle-carrying plate contact point to vehicle-carrying plate first end point second distance, the contact point of rear-wheel and vehicle-carrying plate is arrived
The third distance of the first end point of vehicle-carrying plate, the length of vehicle-carrying plate and the step of automobile wheel load distribution coefficient.
Wherein, the weight of support reaction, vehicle based on first end point and the second endpoint, first distance, second distance and
Third distance, in the effective range of automobile wheel load distribution coefficient obtain vehicle-carrying plate maximal bending moment the step of after include:
Judge whether the maximal bending moment of vehicle-carrying plate is greater than the default Maximum bending moment of vehicle-carrying plate, and exports judging result.
In order to solve the above-mentioned technical problem, present invention also provides a kind of moment of flexure acquisition device of vehicle-carrying plate, comprising: mutually
The processor of coupling and human-computer interaction device, processor cooperate human-computer interaction device to realize above-mentioned moment of flexure acquisition side at work
Method.
In order to solve the above-mentioned technical problem, present invention also provides a kind of device with store function, it is stored with program
Data, program data can be performed to realize the step in the above method.
The beneficial effect of the application is: the acquisition methods of vehicle-carrying plate maximal bending moment provided by the present application obtain vehicle-carrying plate carrying
The weight of vehicle, the wheelbase first distance between front wheels and rear wheels, front-wheel and vehicle-carrying plate contact point to vehicle-carrying plate first end
The second distance of point, length apart from, vehicle-carrying plate of the third of the contact point of rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end point and
Automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is the distance between first end point and the second endpoint, front-wheel and first end
Point is adjacent, and rear-wheel is adjacent with the second endpoint；According to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance with
And third distance obtains the support reaction of first end point and the second endpoint；Support reaction, vehicle based on first end point and the second endpoint
Weight, first distance, second distance and third distance, obtain vehicle-carrying plate in the effective range of automobile wheel load distribution coefficient
Maximal bending moment.The application obtains support reaction by relevant parameter, and the maximum of vehicle-carrying plate is obtained according to support reaction and relevant parameter
Moment of flexure can improve and examine load according to actual loading, structure or the selection that the maximal bending moment is subsequent determining vehicle-carrying plate
The security performance of sweep provides foundation.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of maximal bending moment acquisition methods of the application vehicle-carrying plate；
Fig. 2 is the distribution of force schematic diagram of one embodiment of Fig. 1 vehicle-carrying plate vehicle；
Fig. 3 is the flow diagram of another embodiment of maximal bending moment acquisition methods of the application vehicle-carrying plate；
Fig. 4 is the distribution of force schematic diagram of another embodiment of Fig. 3 vehicle-carrying plate vehicle；
Fig. 5 is the distribution of force schematic diagram of Fig. 3 vehicle-carrying plate vehicle a further embodiment；
Fig. 6 is the structural schematic diagram of one embodiment of maximal bending moment acquisition device of the application vehicle-carrying plate；
Fig. 7 is the structural schematic diagram of one embodiment of device with store function.
Specific embodiment
In each implementation column, A, B are the two-end-point of vehicle-carrying plate, and C, D, E is the contact point of wheel and vehicle-carrying plate.
The application in order to obtain the maximal bending moment of vehicle-carrying plate, the weight of the vehicle by obtaining vehicle-carrying plate carrying, front-wheel and
The contact point of wheelbase first distance, front-wheel and vehicle-carrying plate between rear-wheel to vehicle-carrying plate first end point second distance, rear-wheel
With third distance, the length of vehicle-carrying plate and the automobile wheel load distribution coefficient of the contact point of vehicle-carrying plate to vehicle-carrying plate first end point,
Wherein, the length of vehicle-carrying plate is the distance between first end point and the second endpoint, and front-wheel is adjacent with first end point, rear-wheel and second
Endpoint is adjacent, is got parms and the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance, according to above-mentioned
Three distances obtain the support reaction of first end point and the second endpoint；The weight of support reaction, vehicle based on first end point and the second endpoint
Amount, first distance, second distance and third distance obtain vehicle-carrying plate most in the effective range of automobile wheel load distribution coefficient
Big moment of flexure.Hereinafter, the detailed process of this vehicle-carrying plate maximal bending moment acquisition methods is described in detail in conjunction with Fig. 1-Fig. 2.
Referring to Fig. 1, the process that Fig. 1 is one embodiment of maximal bending moment acquisition methods of vehicle-carrying plate provided by the present application is shown
It is intended to, mainly includes three steps.
For the maximal bending moment for obtaining vehicle-carrying plate, needs to obtain the relevant physical parameter of vehicle-carrying plate, vehicle-carrying plate carrying, obtain phase
Closing physical parameter can realize by the following method.
Step 101: obtaining wheelbase first distance between the weight of vehicle of vehicle-carrying plate carrying, front wheels and rear wheels, front-wheel
With the second distance of the contact point of vehicle-carrying plate to vehicle-carrying plate first end point, the contact point of rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end
The third distance of point, the length of vehicle-carrying plate and automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is first end point and the
The distance between two endpoints, front-wheel is adjacent with first end point, and rear-wheel is adjacent with the second endpoint.
Specifically, it referring to Fig. 2, Fig. 2 is the distribution of force schematic diagram of one embodiment of Fig. 1 vehicle-carrying plate vehicle, obtains
The weight G for the vehicle for taking vehicle-carrying plate to carryv, wheelbase first distance L1, front-wheel and vehicle-carrying plate contact point D between front wheels and rear wheels
With the second distance AD=δ L of the first end point A of vehicle-carrying plate, the third distance of rear-wheel and vehicle-carrying plate contact point E and first end point A
The length AB=L and automobile wheel load distribution coefficient α of AE=(δ+γ) L, vehicle-carrying plate, wherein the length AB=L of vehicle-carrying plate is the
The distance between end point A and the second terminal B, contact point D is adjacent with first end point A, and contact point E is adjacent with the second terminal B；
Obtain vehicle-carrying plate, vehicle-carrying plate carrying relevant physical parameter after, can be with according to the available support reaction of above-mentioned parameter
Support reaction is obtained by the following method.
Step 102: according to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance and third distance
Obtain the support reaction of first end point and the second endpoint.
First is determined according to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance and third distance
The support reaction of endpoint and the second endpoint can be realized by the following method:
First parameter determined by the ratio of first distance and the length of vehicle-carrying plate, by the length of second distance and vehicle-carrying plate
Ratio determines the second parameter；
First end point and are obtained according to the weight of vehicle, the first parameter, the second parameter and automobile wheel load distribution coefficient
Double-pointed support reaction；
In a specific implement scene, as shown in Fig. 2, carrier vehicle board ends are placed on idler wheel, simply supported beam letter can be pressed
Change, when automobile front and rear wheel is respectively positioned on vehicle-carrying plate, vehicle-carrying plate is (1- α) Gv, load of the vehicle-carrying plate in E point in the load of D point
For α Gv.
First parameter γ=L1/L is determined by the ratio of first distance L1 and the length AB=L of vehicle-carrying plate, by second distance
The ratio of the length AB=L of AD=δ L and vehicle-carrying plate determines second parameter δ=δ L/L, by third distance AE=(δ+γ) L and carries
The ratio of the length AB=L of sweep determines third parameter (δ+γ)=(δ+γ) L/L.
The support reaction F of first end point A and the second terminal B is obtained according to above-mentioned parameter11, F21It can be realized by the following method:
To vehicle-carrying plate, from the stress balance of vehicle-carrying plate:
F11+F21=(1- α) Gv+ α Gv
(1- α) Gv δ L+ α Gv (δ+γ) L=F21L
After obtaining after above-mentioned support reaction, system is distributed according to the weight of vehicle, the first parameter, the second parameter and automobile wheel load
The expression for the support reaction that number obtains first end point and the second endpoint can be realized by the following method:
The support reaction F1 of first end point is determined by following formula (1):
F1=(1 ﹣ δ ﹣ α γ) Gv (1)
The support reaction F2 of the second endpoint is determined by following formula (2):
F2=(δ+α γ) Gv (2)
Wherein, GvFor the weight of vehicle；γ is the first parameter, and δ is the second parameter, and α is automobile wheel load distribution coefficient.
In a specific implement scene, according to the weight G of vehiclev, the first parameter γ, the second parameter δ and automobile
Wheel load distribution coefficient α determines that the support reaction of first end point and the second endpoint can be realized by the following method:
According to formula:
F11+F21=(1- α) Gv+ α Gv
(1- α) Gv δ L+ α Gv (δ+γ) L=F21L
The support reaction F of first end point is determined by following formula (1)11::
F11=(1 ﹣ δ ﹣ α γ) Gv
The support reaction F of the second endpoint is determined by following formula (2)21:
F21=(δ+α γ) Gv
Wherein, GvFor the weight of vehicle；γ is the first parameter, and δ is the second parameter, and α is automobile wheel load distribution coefficient.
After the support reaction for determining first end point and the second endpoint, support reaction, vehicle based on first end point and the second endpoint
Weight, first distance, second distance and third distance can pass through in the effective range of automobile wheel load distribution coefficient
Following method obtains the maximal bending moment of vehicle-carrying plate:
Weight, the first parameter, the second parameter of support reaction, vehicle based on first end point and the second endpoint, in automotive wheels
Carry the maximal bending moment that the set point of vehicle-carrying plate is obtained in the effective range of distribution coefficient；And it will be maximum in the maximal bending moment of set point
Value is determined as the maximal bending moment of vehicle-carrying plate.
According to the support reaction and relevant physical parameter of acquisition, the maximal bending moment of vehicle-carrying plate can be obtained by the following method.
Step 103: the weight of support reaction, vehicle based on first end point and the second endpoint, first distance, second distance with
And third distance, in the effective range of automobile wheel load distribution coefficient α, the maximum that can obtain vehicle-carrying plate by the following method is curved
Square.
Weight, the first parameter, the second parameter of support reaction, vehicle based on first end point and the second endpoint, in automotive wheels
In the effective range for carrying distribution coefficient, the maximal bending moment of the set point of vehicle-carrying plate is obtained by extreme value inequality principle.
In a specific implement scene, as shown in Fig. 2, the support reaction F based on first end point A and the second terminal B11,
F21, the weight Gv of vehicle, the first parameter γ, the second parameter δ, third parameter (δ+γ), in the effective of automobile wheel load distribution coefficient α
Range, the value range of α are [0.4,0.6], and the maximum for obtaining set point D, E of vehicle-carrying plate by extreme value inequality principle is curved
Square.
Specific calculating process is as follows:
According to the stress balance of vehicle-carrying plate, the moment M E of moment M D, the E point of D point is obtained,
FD=F11=(1 ﹣ δ ﹣ α γ) Gv
MD=δ L FD
MD=(1 ﹣ δ ﹣ α γ) δ GvL
FE=F21=(δ+α γ) Gv
ME=(1- δ-γ) L FE
ME=(δ+α γ) (1 ﹣ δ ﹣ α γ) GvL
FD is the stress of vehicle-carrying plate D point, and FE is the stress of vehicle-carrying plate E point.
The maximum value of the moment of flexure of the contact point D of vehicle front and vehicle-carrying plate is obtained by extreme value inequality principle, after automobile
The maximum value of wheel and the moment of flexure of the contact point E of vehicle-carrying plate:
D point moment of flexure maximum value:
When δ=1- δ-α γ, i.e. δ=0.5 (1- α γ),
MDmax=0.25 (1- α γ)2GvL,
E point moment of flexure maximum value:
When δ+α γ=1- δ-γ, i.e. δ=0.5 (1- γ-α γ),
MEmax=0.25 (1- γ+α γ)2GvL
In the effective range of automobile wheel load distribution coefficient α, the value range of α is [0.4,0.6], by MDmax=0.25
(1-αγ)2GvL and MEmax=0.25 (1- γ+α γ)2GvL knows that MEmax > MDmax, the E point on vehicle-carrying plate are moment of flexure maximums
Point；The maximal bending moment of D, E point is symmetrical about α=0.5.
Range amendment is carried out to automobile wheel load distribution coefficient α according to the distribution of the maximal bending moment of D, E on vehicle-carrying plate, by α's
Value range is changed to [0.5,0.6].
By MEmax=MEmax=0.25 (1- γ+α γ)2Known to GvL in the case where α is certain, maximal bending moment is with γ
Increase and reduce, when γ is minimized, Maximum bending moment can be obtained；In the case where γ is certain, maximal bending moment and parameter alpha at
Direct proportion, when α is maximized 0.6, MEmax=025 (1-0.4 γ)2GvL。
Situation is different from the prior art, the acquisition methods for the vehicle-carrying plate maximal bending moment that this implementation column provides obtain vehicle-carrying plate and hold
The contact point of wheelbase first distance, front-wheel and vehicle-carrying plate between the weight of the vehicle of load, front wheels and rear wheels is to vehicle-carrying plate first
The contact point of the second distance of endpoint, rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end point third distance, vehicle-carrying plate length with
And automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is the distance between first end point and the second endpoint, front-wheel and first
Endpoint is adjacent, and rear-wheel is adjacent with the second endpoint；According to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance
And third distance obtains the support reaction of first end point and the second endpoint；Support reaction, vehicle based on first end point and the second endpoint
Weight, first distance, second distance and third distance, obtain carrier vehicle in the effective range of automobile wheel load distribution coefficient
The maximal bending moment of plate.The application obtains support reaction by relevant parameter, obtains vehicle-carrying plate most according to support reaction and relevant parameter
Big moment of flexure can be improved and be examined according to actual loading, structure or the selection that the maximal bending moment is subsequent determining vehicle-carrying plate
The security performance of vehicle-carrying plate provides foundation.
To obtain maximal bending moment of the vehicle-carrying plate under different bearer distribution occasion, need to the carrying situation to vehicle-carrying plate sentence
It is disconnected, after the maximal bending moment for obtaining vehicle-carrying plate, the maximal bending moment of vehicle-carrying plate need to be compared with the preset value of vehicle-carrying plate, according to than
Relatively result improves the structure of vehicle-carrying plate or selection, and to examine the security performance of vehicle-carrying plate to provide foundation.For above-mentioned
Problem, this application provides another implementation methods of maximal bending moment acquisition methods of vehicle-carrying plate, as shown in Figure 3.
Fig. 3 is the flow diagram of another embodiment of maximal bending moment acquisition methods of vehicle-carrying plate provided by the present application, main
It to include five steps.
Step 301: detect the carrying of vehicle-carrying plate, judge on vehicle-carrying plate whether vehicle；If carrying vehicle on vehicle-carrying plate
, whether the number for detecting the contact point of vehicle and vehicle-carrying plate is greater than preset value, if contact point is greater than preset value, according to vehicle
The corresponding wheelbase of model and the wheelbase of the vehicle actually obtained judge the front and rear wheel of vehicle whether on vehicle-carrying plate, if really
The front and rear wheel of vehicle is determined on vehicle-carrying plate, executes step 302.
In a specific implement scene, for common fourth wheel passenger car, the carrying of vehicle-carrying plate is detected, judges vehicle-carrying plate
On whether vehicle；Vehicle on vehicle-carrying plate detects the number of the contact point of vehicle and vehicle-carrying plate as 2 and is greater than preset value 1,
Then there was only the front-wheel or rear-wheel of passenger car on vehicle-carrying plate, then the distribution of force of vehicle-carrying plate is as shown in Figure 4.
Referring to Fig. 4, Fig. 4 is the distribution of force schematic diagram of one embodiment of Fig. 3 vehicle-carrying plate vehicle；Carrier vehicle board ends
It is placed on idler wheel, simply supported beam can be pressed and simplified, when vehicle front is located on vehicle-carrying plate, rear-wheel is not when on vehicle-carrying plate, before automobile
The contact point of wheel and vehicle-carrying plate is C.
In a specific implement scene, for common fourth wheel passenger car, the carrying of vehicle-carrying plate, nothing on vehicle-carrying plate are detected
When vehicle parking, the distribution of force schematic diagram of vehicle-carrying plate is as shown in Figure 5.
Referring to Fig. 5, Fig. 5 is the distribution of force schematic diagram of another embodiment of Fig. 3 vehicle-carrying plate vehicle；Vehicle-carrying plate two
End is placed on idler wheel, can be pressed simply supported beam and be simplified, automobile and vehicle-carrying plate non-contact-point.
After judging the carrying situation on vehicle-carrying plate, for the maximal bending moment for obtaining vehicle-carrying plate, need to obtain relevant physical parameter,
Relevant physical parameter can be obtained as follows.
Step 302: obtaining wheelbase first distance between the weight of vehicle of vehicle-carrying plate carrying, front wheels and rear wheels, front-wheel
With the second distance of the contact point of vehicle-carrying plate to vehicle-carrying plate first end point, the contact point of rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end
The third distance of point, the length of vehicle-carrying plate and automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is first end point and the
The distance between two endpoints, front-wheel is adjacent with first end point, and rear-wheel is adjacent with the second endpoint.
In a specific implement scene, referring to Fig. 4, obtaining the weight G of the vehicle of vehicle-carrying plate carryingv, front-wheel and
First end point A of the contact point C of wheelbase first distance L1 (not indicated in figure), front-wheel and vehicle-carrying plate between rear-wheel to vehicle-carrying plate
Second distance AC=β L, the third distance of contact point to the vehicle-carrying plate first end point A of rear-wheel and vehicle-carrying plate are zero, vehicle-carrying plate
Length L and automobile wheel load distribution coefficient α, wherein the length L of vehicle-carrying plate between first end point A and the second terminal B away from
From C point is adjacent with first end point A.D4, E4 (not indicating in figure) are the equivalent point of D, E when Fig. 4 is carried in Fig. 2, i.e.,
AD4=δ L, AE4=(δ+γ) L, referring specifically to Fig. 2, details are not described herein.
In a specific implement scene, referring to Fig. 5, obtaining the weight G of the vehicle of vehicle-carrying plate carryingv, vehicle-carrying plate
It is the distance between first end point A and the second terminal B, on vehicle-carrying plate from the length AB=L of heavy load distribution density q, vehicle-carrying plate
Any point H to vehicle-carrying plate first end point A distance be the 4th distance AH=ζ L.
After obtaining relevant physical parameter, for the maximal bending moment for obtaining vehicle-carrying plate, need to obtain support reaction, it can be by as follows
Step obtains support reaction.
Step 303: according to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance and third distance
Obtain the support reaction of first end point and the second endpoint；
In a specific implement scene, referring to Fig. 4, determine that support reaction can be realized by the following method, according to
Weight Gv, automobile wheel load distribution coefficient α, first distance L1, the second distance β L of vehicle obtain first end point A and the second terminal B
Support reaction F14、F24。
Carrier vehicle board ends are placed on idler wheel, can be pressed simply supported beam and be simplified, by the ratio of first distance L1 and the length L of vehicle-carrying plate
It is worth and determines first parameter γ=L1/L, the second parameter beta=β L/L is determined by the ratio of second distance β L and the length L of vehicle-carrying plate,
Third distance is zero.According to the weight G of vehiclev, automobile wheel load distribution coefficient α, α value range be [0.4,0.6], before automobile
The load of wheel and vehicle-carrying plate contact point C are α Gv, first distance L1, second distance AC=β L, the load of vehicle-carrying plate C point is α Gv。
From law of physics:
The support reaction F of first end point A14: F14=α (1- β) Gv；
The support reaction F of second terminal B24: F24=α β Gv.
In a specific implement scene, referring to Fig. 5, first end point A and second can be obtained by the following method
The support reaction F of terminal B14, F24:
First parameter ζ=ζ L/L is determined according to the ratio of the 4th distance AH=ζ L and the length AB=L of vehicle-carrying plate；
According to vehicle-carrying plate from heavy load distribution density be q, the 4th distance AH=ζ L, from law of physics: first end
The support reaction F of point A and the second terminal B15, F25,
F15=0.5qL
F25=0.5qL
The calculating process of this implementation column step 303 is identical as the calculating process principle of step 102 in a upper embodiment,
This is repeated no more, referring specifically to step 102.
After obtaining support reaction, the maximal bending moment of vehicle-carrying plate can be obtained by the following method.
Step 304: the weight of support reaction, vehicle based on first end point and the second endpoint, first distance, second distance with
And third distance, the maximal bending moment of vehicle-carrying plate is obtained in the effective range of automobile wheel load distribution coefficient.
In a specific implement scene, referring to Fig. 4, the support reaction F based on first end point A and the second terminal B14,
F24, obtain the moment of flexure of C, D4, E4 point.
From law of physics:
The moment of flexure of C point:
M C=α (1- β) β GvL
Support reaction F based on first end point A and the second terminal B14, F24, second distance AD4=AD=δ L, third distance
The moment of flexure of AE4=AE=(δ+γ) L, D4, E4 point,
The moment of flexure of D4 point:
MD4=α (1- β) δ Gv L
The moment of flexure of E4 point:
ME4=α β (1- δ-γ) Gv L
Since C point is located between D4, E4 point, so the moment of flexure of C point is maximum, before obtaining automobile by extreme value inequality principle
The maximum value of wheel and the moment of flexure of the contact point C of vehicle-carrying plate.
When α=(1- β) β, Mcmax=[(1- β) β] 2Gv L
To MCMax uses extreme value inequality, β=1- β, β=0.5
The maximum value of the moment of flexure of C point at this time are as follows: Mcmax=0.25 α Gv L, at α [0.5,0.6], when α=0.6,
Mcmax=0.15Gv L
In another specific implement scene, referring to Fig. 5, the support reaction F based on first end point A and the second terminal B15,
F25, vehicle-carrying plate is q from heavy load distribution density, and the length L of vehicle-carrying plate obtains the moment of flexure of vehicle-carrying plate.
MH=0.5 ζ qL2(1-ζ)
Extreme value inequality principle is used to MH, when ζ=1- ζ, i.e. ζ=0.5, H is vehicle-carrying plate midpoint, and the maximum of vehicle-carrying plate is curved
Square value is MH=0.125qL2。
The calculating process of step 304 is identical as the calculating process principle of step 103 in a upper embodiment, no longer superfluous herein
It states, referring specifically to step 103.
Step 305: judging whether the maximal bending moment of vehicle-carrying plate is greater than the default Maximum bending moment of vehicle-carrying plate, and export judgement
As a result.
In a specific implement scene, referring to Fig. 4, the maximal bending moment of vehicle-carrying plate is Mcmax=0.15Gv L, by this
Maximum value is compared with preset value y, if Mcmax < y, exports Maximum bending moment less than preset value, defeated if Mcmax > y
Maximum bending moment is greater than preset value out.
In a specific implement scene, referring to Fig. 5, the maximal bending moment of vehicle-carrying plate is MHmax=0.125qL2, by this
Maximum value is compared with preset value y, if MHmax < y, exports Maximum bending moment less than preset value, defeated if MHmax > y
Maximum bending moment is greater than preset value out.
The acquisition methods of vehicle-carrying plate maximal bending moment provided in this embodiment can obtain under the conditions of different loads on vehicle-carrying plate not
The actual loading situation of same point carries out mechanical analysis to vehicle-carrying plate, obtains the maximal bending moment of maximal bending moment point on vehicle-carrying plate, will
Whether the Maximum bending moment of vehicle-carrying plate being actually subject to and the default moment of vehicle-carrying plate compare, examine vehicle-carrying plate to meet and hold
The safety condition of load, and decided whether the structure of vehicle-carrying plate or selection to be improved and examined vehicle-carrying plate according to inspection result
Security performance.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of one embodiment of maximal bending moment acquisition device of the application vehicle-carrying plate；
Intelligent terminal 60 includes processor 601 and human-computer interaction device 602, and processor 601 couples human-computer interaction device 602.Man-machine friendship
Mutual equipment 602 is used to carry out human-computer interaction with user, and processor 601 is used for the user perceived according to human-computer interaction device 602
Selection is responded and is handled, and is controlled human-computer interaction device 602 and notified user that processing or current processing status is completed.
In a specific implement scene, processor 601 obtains the weight G of the vehicle of vehicle-carrying plate carryingv, front-wheel and after
Second distance AD=the δ L, rear-wheel E and first end of the first end point A of wheelbase first distance L1, front-wheel D and vehicle-carrying plate between wheel
The length AB=L and automobile wheel load distribution coefficient α, front-wheel and first end of third distance AE=(δ+γ) L of point A, vehicle-carrying plate
Point A is adjacent, and rear-wheel is adjacent with the second terminal B；Processor 601 is according to the weight G of vehiclev, automobile wheel load distribution coefficient α, first
Distance L1, second distance AD=δ L and third distance AE=(δ+γ) L obtain the support reaction of first end point A and the second terminal B
F11, F21；Support reaction F of the processor 601 based on first end point A and the second terminal B11, F21, vehicle weight Gv, first distance
L1, second distance AD=δ L and third distance AE=(δ+γ) L, in effective model of automobile wheel load distribution coefficient α [0.5,0.6]
Enclose the interior maximal bending moment for obtaining vehicle-carrying plate.
In another specific implement scene, for common fourth wheel passenger car, processor 601 detects holding for vehicle-carrying plate
Carry, judge on vehicle-carrying plate whether vehicle；Vehicle on vehicle-carrying plate, the number for detecting the contact point of vehicle and vehicle-carrying plate are
2 are greater than preset value 1, then processor 601 determines the front-wheel or rear-wheel that there was only passenger car on vehicle-carrying plate.
In another specific implement scene, processor 601 detects the carrying of vehicle-carrying plate, without vehicle parking on vehicle-carrying plate
When, then processor 601 determines that vehicle-carrying plate is unloaded.
In another specific implement scene, after the carrying situation for judging vehicle-carrying plate, processor 601 obtains vehicle-carrying plate and holds
The weight G of the vehicle of loadv, wheelbase first distance L1, front-wheel and vehicle-carrying plate contact point between front wheels and rear wheels arrive vehicle-carrying plate
The second distance AC=β L of first end point A, the third distance of rear-wheel and the first end point A of vehicle-carrying plate contact point to vehicle-carrying plate are
Zero, the length L and automobile wheel load distribution coefficient α of vehicle-carrying plate, wherein the length L of vehicle-carrying plate is first end point A and the second endpoint
The distance between B, front-wheel are adjacent with first end point A.Processor 601 according to the weight Gv of vehicle, automobile wheel load distribution coefficient α,
First distance L1, second distance β L obtain the support reaction F of first end point A and the second terminal B14、F24.Processor 601 is based on first
The support reaction F of terminal A and the second terminal B14, F24, first distance L1, second distance AC=β L, wheel load distribution coefficient α, α's
Value range is [0.4,0.6], obtains the maximal bending moment of vehicle-carrying plate.
In another specific implement scene, after the carrying situation for judging vehicle-carrying plate, processor 601 obtains vehicle-carrying plate and holds
The weight G of the vehicle of loadv, vehicle-carrying plate from the length AB=L of heavy load distribution density q, vehicle-carrying plate be first end point A and second end
On the distance between point B, vehicle-carrying plate any point H to vehicle-carrying plate first end point A distance be the 4th distance AH=ζ L.Processing
Device 601 is q, the 4th distance AH=ζ L from heavy load distribution density according to vehicle-carrying plate, obtains first end point A and the second terminal B
Support reaction F15, F25, support reaction F of the processor 601 based on first end point A and the second terminal B15, F25, vehicle-carrying plate is from heavy load point
Cloth density is q, and the length L of vehicle-carrying plate obtains the maximal bending moment of vehicle-carrying plate.
In another embodiment, human-computer interaction device 602 receives the instruction for obtaining the maximal bending moment of vehicle-carrying plate, then locates
Reason device 601, which repeats the above steps, obtains the weight G of the vehicle of vehicle-carrying plate carryingv, wheelbase first distance between front wheels and rear wheels
L1, front-wheel and vehicle-carrying plate contact point to vehicle-carrying plate first end point A second distance AD=δ L, rear-wheel arrives with vehicle-carrying plate contact point
The length AB=L and automobile wheel load distribution coefficient of third distance AE=(δ+γ) L of the first end point A of vehicle-carrying plate, vehicle-carrying plate
α, the length AB=L of vehicle-carrying plate further obtain the support reaction F of first end point A and the second terminal B11、F21, and then according to obtaining
Support reaction F11、F21, vehicle weight Gv, wheelbase first distance L1, front-wheel D and vehicle-carrying plate between front wheels and rear wheels first
Third distance AE=(δ+γ) L of second distance AD=the δ L, rear-wheel E and first end point A of terminal A distribute system in automobile wheel load
The maximal bending moment of vehicle-carrying plate is obtained in the effective range of number α.
In another embodiment, human-computer interaction device 602 receives the instruction for obtaining the maximal bending moment of vehicle-carrying plate, then locates
Reason device 601, which repeats the above steps, obtains the weight G of the vehicle of sweep carryingv, wheelbase first distance L1 between front wheels and rear wheels,
To the second distance AC=β L of vehicle-carrying plate first end point A, the contact point of rear-wheel and vehicle-carrying plate is arrived for the contact point of front-wheel and vehicle-carrying plate
The third distance of vehicle-carrying plate first end point A is zero, the length L and automobile wheel load distribution coefficient α of vehicle-carrying plate, the length of vehicle-carrying plate
L, processor 601 obtain first end according to the weight Gv of vehicle, automobile wheel load distribution coefficient α, first distance L1, second distance β L
The support reaction F of point A and the second terminal B14、F24.Support reaction F of the processor 601 based on first end point A and the second terminal B14, F24,
Second distance AC=β L, obtain the maximal bending moment of vehicle-carrying plate.
In another embodiment, human-computer interaction device 602 receives the instruction for obtaining the maximal bending moment of vehicle-carrying plate, then locates
Reason device 601, which repeats the above steps, obtains the weight G of the vehicle of vehicle-carrying plate carryingv, vehicle-carrying plate is from heavy load distribution density q, carrier vehicle
The length AB=L of plate is the distance between first end point A and the second terminal B, any point H to the first of vehicle-carrying plate on vehicle-carrying plate
The distance of terminal A is the 4th distance AH=ζ L.Processor 601 according to vehicle-carrying plate from heavy load distribution density be q, the 4th distance AH
=ζ L obtains the support reaction F of first end point A and the second terminal B15, F25, processor 601 is based on first end point A and the second terminal B
Support reaction F15, F25, vehicle-carrying plate is q from heavy load distribution density, and the length L of vehicle-carrying plate obtains the maximal bending moment of vehicle-carrying plate.
Situation is different from the prior art, the acquisition methods for the vehicle-carrying plate maximal bending moment that this implementation column provides obtain vehicle-carrying plate and hold
The contact point of wheelbase first distance, front-wheel and vehicle-carrying plate between the weight of the vehicle of load, front wheels and rear wheels is to vehicle-carrying plate first
The contact point of the second distance of endpoint, rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end point third distance, vehicle-carrying plate length with
And automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is the distance between first end point and the second endpoint, front-wheel and first
Endpoint is adjacent, and rear-wheel is adjacent with the second endpoint；According to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance
And third distance obtains the support reaction of first end point and the second endpoint；Support reaction, vehicle based on first end point and the second endpoint
Weight, first distance, second distance and third distance, obtain carrier vehicle in the effective range of automobile wheel load distribution coefficient
The maximal bending moment of plate.The application obtains support reaction by relevant parameter, obtains vehicle-carrying plate most according to support reaction and relevant parameter
Big moment of flexure can be improved and be examined according to actual loading, structure or the selection that the maximal bending moment is subsequent determining vehicle-carrying plate
The security performance of vehicle-carrying plate provides foundation.
Referring to Fig. 7, Fig. 7 is the structural schematic diagram of one embodiment of device with store function.With store function
Device 70 in be stored at least one program or instruction 701, program or instruction 701 are believed for executing a kind of any of the above-described processing
Breath method.In one embodiment, the device with store function can be the storage equipment in mobile device.
In several embodiments provided herein, it should be understood that disclosed method and apparatus can pass through it
Its mode is realized.For example, device embodiments described above are only schematical, for example, stroke of module or unit
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some interfaces, the INDIRECT COUPLING of device or unit
Or communication connection, it can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of present embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) or processor (processor) execute each implementation of the application
The all or part of the steps of methods.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various
It can store the medium of program code.
Situation is different from the prior art, the acquisition methods for the vehicle-carrying plate maximal bending moment that this implementation column provides obtain vehicle-carrying plate and hold
The contact point of wheelbase first distance, front-wheel and vehicle-carrying plate between the weight of the vehicle of load, front wheels and rear wheels is to vehicle-carrying plate first
The contact point of the second distance of endpoint, rear-wheel and vehicle-carrying plate to vehicle-carrying plate first end point third distance, vehicle-carrying plate length with
And automobile wheel load distribution coefficient, wherein the length of vehicle-carrying plate is the distance between first end point and the second endpoint, front-wheel and first
Endpoint is adjacent, and rear-wheel is adjacent with the second endpoint；According to the weight of vehicle, automobile wheel load distribution coefficient, first distance, second distance
And third distance obtains the support reaction of first end point and the second endpoint；Support reaction, vehicle based on first end point and the second endpoint
Weight, first distance, second distance and third distance, obtain carrier vehicle in the effective range of automobile wheel load distribution coefficient
The maximal bending moment of plate.The application obtains support reaction by relevant parameter, obtains vehicle-carrying plate most according to support reaction and relevant parameter
Big moment of flexure can be improved and be examined according to actual loading, structure or the selection that the maximal bending moment is subsequent determining vehicle-carrying plate
The security performance of vehicle-carrying plate provides foundation.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of maximal bending moment acquisition methods of vehicle-carrying plate, which is characterized in that the maximal bending moment acquisition methods include:
Obtain wheelbase first distance, the front-wheel and the institute between the weight of the vehicle of vehicle-carrying plate carrying, front wheels and rear wheels
The contact point of vehicle-carrying plate is stated to the second distance of the vehicle-carrying plate first end point, the contact point of the rear-wheel and the vehicle-carrying plate is arrived
Third distance, the length of the vehicle-carrying plate and the automobile wheel load distribution coefficient of the vehicle-carrying plate first end point, wherein the load
The length of sweep is the distance between the first end point and the second endpoint, and the front-wheel is adjacent with the first end point, described
Rear-wheel is adjacent with second endpoint；
According to the weight of the vehicle, automobile wheel load distribution coefficient, the first distance, the second distance and the third
Distance obtains the support reaction of the first end point and second endpoint；
Weight, the first distance, described of support reaction, the vehicle based on the first end point and second endpoint
Two distances and the third distance, the maximum that the vehicle-carrying plate is obtained in the effective range of automobile wheel load distribution coefficient are curved
Square.
2. maximal bending moment acquisition methods according to claim 1, which is characterized in that according to the weight of the vehicle, automobile
Wheel load distribution coefficient, the first distance, the second distance and the third distance obtain the first end point and described
The step of support reaction of second endpoint includes:
First parameter is determined by the ratio of the first distance and the length of the vehicle-carrying plate, by the second distance and the load
The ratio of the length of sweep determines the second parameter, determines that third is joined by the ratio of the third distance and the length of the vehicle-carrying plate
Number；
It is obtained according to the weight of the vehicle, first parameter, second parameter and the automobile wheel load distribution coefficient
The support reaction of the first end point and second endpoint；
The support reaction based on the first end point and second endpoint, the weight of the vehicle, the first distance, institute
Second distance and the third distance are stated, the maximum of the vehicle-carrying plate is obtained in the effective range of automobile wheel load distribution coefficient
The step of moment of flexure includes:
Weight, first parameter, described of support reaction, the vehicle based on the first end point and second endpoint
Two parameters obtain the maximal bending moment of the set point of the vehicle-carrying plate in the effective range of the automobile wheel load distribution coefficient；And
Maximum value in the maximal bending moment of the set point is determined as to the maximal bending moment of the vehicle-carrying plate.
3. maximal bending moment acquisition methods according to claim 2, which is characterized in that the set point is the wheel and institute
State the contact point of vehicle-carrying plate.
4. maximal bending moment acquisition methods according to claim 2, which is characterized in that the weight according to the vehicle,
First parameter, second parameter and the automobile wheel load distribution coefficient obtain the first end point and the second end
The step of support reaction of point, specifically includes:
The support reaction F1 of the first end point is determined by following formula (1):
F1=(1 ﹣ δ ﹣ α γ) Gv (1)
The support reaction F2 of second endpoint is determined by following formula (2):
F2=(δ+α γ) Gv (2)
Wherein, GvFor the weight of the vehicle；γ is first parameter, and δ is second parameter, and α is the automobile wheel load point
Distribution coefficient.
5. according to the described in any item maximal bending moment acquisition methods of claim 2, which is characterized in that described to be based on the first end
Point and the support reaction of second endpoint, the weight of the vehicle, first parameter, second parameter, in the automobile
The maximal bending moment of the set point of the vehicle-carrying plate is obtained in the effective range of wheel load distribution coefficient；And by the maximum of the set point
Maximum value is determined as the step of maximal bending moment of the vehicle-carrying plate and includes: in moment of flexure
Weight, first parameter, described of support reaction, the vehicle based on the first end point and second endpoint
Three parameters obtain the vehicle-carrying plate by extreme value inequality principle in the effective range of the automobile wheel load distribution coefficient
The maximal bending moment of set point.
6. maximal bending moment acquisition methods according to claim 2, which is characterized in that described to be based on the first end point and institute
The support reaction of the second endpoint, the weight of the vehicle, first parameter, the third parameter are stated, in the automobile wheel load point
After the step of obtaining the maximal bending moment of the set point of the vehicle-carrying plate in the effective range of distribution coefficient further include:
The automobile wheel load distribution coefficient is carried out according to the distribution of the maximal bending moment of each set point of the vehicle-carrying plate
Range amendment.
7. maximal bending moment acquisition methods according to claim 1, which is characterized in that described to obtain what the vehicle-carrying plate carried
The second of the first end point of wheelbase first distance, the front-wheel and the vehicle-carrying plate between the weight of vehicle, front wheels and rear wheels
Third distance, the length of the vehicle-carrying plate and the automobile wheel load point of the first end point of distance, the rear-wheel and the vehicle-carrying plate
Before the step of distribution coefficient further include:
The carrying for detecting the vehicle-carrying plate judges the vehicle whether is carried on the vehicle-carrying plate；
If carrying the vehicle on the vehicle-carrying plate, detects the vehicle and whether the number of the contact point of the vehicle-carrying plate is big
In preset value；
If the contact point is greater than the preset value, according to the corresponding wheelbase of the model of the vehicle and actually obtain described in
The wheelbase of vehicle judge the vehicle front and rear wheel whether simultaneously on the vehicle-carrying plate；
If it is determined that the front and rear wheel of the vehicle simultaneously on the vehicle-carrying plate, executes and described to obtain vehicle-carrying plate carrying
The second of the first end point of wheelbase first distance, the front-wheel and the vehicle-carrying plate between the weight of vehicle, front wheels and rear wheels
Third distance, the length of the vehicle-carrying plate and the automobile wheel load point of the first end point of distance, the rear-wheel and the vehicle-carrying plate
The step of distribution coefficient.
8. described in any item maximal bending moment acquisition methods according to claim 1~6, which is characterized in that described based on described the
The support reaction of end point and second endpoint, the weight of the vehicle, the first distance, the second distance and described
Third distance is wrapped after the step of obtaining the maximal bending moment of the vehicle-carrying plate in the effective range of automobile wheel load distribution coefficient
It includes:
Judge whether the maximal bending moment of the vehicle-carrying plate is greater than the default Maximum bending moment of the vehicle-carrying plate, and exports judgement knot
Fruit.
9. a kind of maximal bending moment acquisition device of vehicle-carrying plate, which is characterized in that the maximal bending moment acquisition device includes:
The processor being mutually coupled and human-computer interaction device, the processor cooperate the human-computer interaction device to realize at work
Such as the described in any item moment of flexure acquisition methods of claim 1-8.
10. a kind of device with store function, which is characterized in that be stored with program data, described program data can be held
Row is to realize such as the step in any the method for claim 1-8.
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| WO2010082288A1 (en) * | 2009-01-13 | 2010-07-22 | トヨタ自動車株式会社 | Vehicle condition estimating device |
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