CN108491675A - The computational methods and device of braking system maximum temperature value in a kind of braking process - Google Patents
The computational methods and device of braking system maximum temperature value in a kind of braking process Download PDFInfo
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- CN108491675A CN108491675A CN201810534130.1A CN201810534130A CN108491675A CN 108491675 A CN108491675 A CN 108491675A CN 201810534130 A CN201810534130 A CN 201810534130A CN 108491675 A CN108491675 A CN 108491675A
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Abstract
The embodiment of the present application discloses the computational methods and device of braking system maximum temperature value in a kind of braking process, which includes at least one type of retardation, and including braking at least twice.Wherein, this method calculates the temperature maximum of each braking in braking process first with uniformly distributed heat resource method, then the braking being directed under a braking system target type of retardation of progress, the first maximum temperature value and the second maximum temperature value of the lower braking system of this time braking are calculated separately out using uniformly distributed heat resource method and Rotating heat source method, and temperature gap is calculated according to the first maximum temperature value and the second maximum temperature value, the corresponding temperature maximum of braking with target type of retardation can be modified using the temperature gap, to obtain revised temperature maximum, the third maximum temperature value of braking system in braking process can be calculated according to revised temperature maximum, the third maximum temperature value can be used as braking system maximum temperature value in braking process.
Description
Technical field
This application involves maximum temperature value calculating fields, more particularly to braking system maximum temperature in a kind of braking process
The computational methods and device of value.
Background technology
Vehicle braking is the action for instigating running locomotive, vehicle etc. to stop or lower speed, the essence of vehicle braking
It is to be converted to the kinetic energy of vehicle between the brake components such as brake shoe and wheel tread or brake lining and wheel disc in braking process
Frictional heat energy, and dissipated by forms such as heat transfer, heat convection and heat radiations.
The frictional heat energy generated in braking process has extremely important influence to the performance of braking system, wherein braking
System includes for the wheel of braking and wheel disc etc., and frictional heat energy crosses conference and causes the maximum temperature value of braking system excessive, makes
At braking system thermal damage and jeopardize traffic safety.Therefore, in order to ensure safety, the braking system institute energy for producing or producing
The maximum temperature value born should be more than braking system maximum temperature value caused by braking process, it is seen then that caused by braking process
Braking system maximum temperature value is extremely important for producing or producing satisfactory braking system.
The frictional heat energy load mode of uniformly distributed heat resource method is currently mainly used come braking system caused by calculating braking process
Maximum temperature value.Although uniformly distributed heat resource method calculating speed is fast, utilize the frictional heat energy and frictional heat of the load of uniformly distributed heat resource method
The actual distribution situation of energy is not inconsistent, and only a kind of approximate evaluation method, calculated braking system maximum temperature value error are big.
Invention content
In order to solve the above-mentioned technical problem, this application provides a kind of meters of braking system maximum temperature value in braking process
Method and apparatus are calculated, the computational efficiency of braking system maximum temperature value is not only ensure that, also improves braking system maximum temperature
It is worth the accuracy calculated, to realize in the case that time-saving, the maximum temperature of braking system can be accurately determined out
The purpose of value meets the needs of making or production.
The embodiment of the present application discloses following technical solution：
In a first aspect, the embodiment of the present application provides a kind of calculating side of braking system maximum temperature value in braking process
Method includes at least one type of retardation for the brake system process, and including braking at least twice, the method
Including：
The temperature maximum of the braking system under being braked every time in braking process is obtained using uniformly distributed heat resource method；
For the braking system, the target braking of a target type of retardation is carried out, utilizes the uniformly distributed heat resource method meter
The first maximum temperature value of the braking system under target braking is calculated, and is calculated in the mesh using Rotating heat source method
Second maximum temperature value of the braking system under mark braking；The target type of retardation is at least one type of retardation
Any one type of retardation；
Temperature gap is calculated according to first maximum temperature and second maximum temperature；
The corresponding temperature of braking with the target type of retardation in the braking process is corrected according to the temperature gap
Maximum is spent, revised temperature maximum is obtained；
The third highest of the braking system described in the braking process is calculated in conjunction with the revised temperature maximum
Temperature value, using the third maximum temperature value as the maximum temperature value of the braking system described in the braking process.
Optionally, described that the system with the target type of retardation in the braking process is corrected according to the temperature gap
Corresponding temperature maximum is moved, revised temperature maximum is obtained, including：
The temperature gap is superimposed upon the corresponding temperature of braking with the target type of retardation in the braking process
It spends in maximum, obtains revised temperature maximum.
Optionally, if the braking process includes multiple type of retardation, the method further includes：
It regard any one type of retardation in the braking process as the target type of retardation successively, executes the needle
To the braking system, the target braking under a target type of retardation is carried out, is calculated described using the uniformly distributed heat resource method
First maximum temperature value of the braking system under target braking, and calculated under target braking using Rotating heat source method
The step of second maximum temperature value of the braking system.
Optionally, the type of retardation be according in the braking process initial speed of braking and braking deceleration determine
's.
Optionally, the temperature that the lower braking system of braking every time in braking process is obtained using uniformly distributed heat resource method is very big
Value, including：
The temperature field of the braking system is calculated using the uniformly distributed heat resource method；
The temperature maximum of the braking system under being braked every time in the braking process is determined according to the temperature field.
Second aspect, the embodiment of the present application provide a kind of calculating dress of braking system maximum temperature value in braking process
It sets, includes at least one type of retardation for the brake system process, and including braking at least twice, described device
Including first acquisition unit, the first computing unit, the second computing unit, amending unit and third computing unit：
The first acquisition unit, for utilizing the braking system under being braked every time in uniformly distributed heat resource method acquisition braking process
The temperature maximum of system；
First computing unit, for being directed to the braking system, the target for carrying out a target type of retardation is braked,
The first maximum temperature value of the braking system under target braking is calculated using the uniformly distributed heat resource method, and utilizes rotation
Turn the second maximum temperature value that heat resource method calculates the braking system under target braking；The target type of retardation is institute
State any one type of retardation at least one type of retardation；
Second computing unit, for calculating temperature difference according to first maximum temperature and second maximum temperature
Value；
The amending unit for being corrected in the braking process according to the temperature gap there is the target to brake class
The corresponding temperature maximum of braking of type, obtains revised temperature maximum；
The third computing unit, for calculating the institute in the braking process in conjunction with the revised temperature maximum
The third maximum temperature value for stating braking system, using the third maximum temperature value as the braking system described in the braking process
The maximum temperature value of system.
Optionally, the amending unit has the mesh for the temperature gap to be superimposed upon in the braking process
On the corresponding temperature maximum of braking for marking type of retardation, revised temperature maximum is obtained.
Optionally, if the braking process includes multiple type of retardation, described device further includes second acquisition unit：
The second acquisition unit, for regarding any one type of retardation in the braking process as the mesh successively
Type of retardation is marked, triggers and is directed to the braking system described in the first computing unit execution, carry out a target type of retardation
Under target braking, utilize the uniformly distributed heat resource method to calculate the first maximum temperature of the braking system under target braking
Value, and the step of calculating the second maximum temperature value of the braking system under target braking using Rotating heat source method.
Optionally, the type of retardation be according in the braking process initial speed of braking and braking deceleration determine
's.
Optionally, the first acquisition unit, the temperature for calculating the braking system using the uniformly distributed heat resource method
；The temperature maximum of the braking system under being braked every time in the braking process is determined according to the temperature field.
In order to produce or produce satisfactory braking system it can be seen from above-mentioned technical proposal, the application is implemented
Example simulates braking process using different type of retardation, which includes at least one type of retardation, and including extremely
It is few to brake twice.The temperature maximum of each braking in braking process is calculated first with the fast uniformly distributed heat resource method of calculating speed,
Since uniformly distributed heat resource method calculates, error is big, and Rotating heat source method calculates accuracy height, next can use Rotating heat source with fraction
Method is modified calculated each temperature maximum, for example, being simulated under a target type of retardation for braking system
Braking, the first maximum temperature value of the lower braking system of this time braking is calculated using Rotating heat source method, using uniformly distributed heat resource method
The second maximum temperature value of the lower braking system of this time braking is calculated, and according to the first maximum temperature value and the second maximum temperature value
Temperature gap is calculated, which can reflect error of the uniformly distributed heat resource method relative to Rotating heat source method, utilize the temperature
Degree difference can be modified the corresponding temperature maximum of braking with target type of retardation, to obtain with target system
The corresponding revised temperature maximum of braking of dynamic type, braking process can be calculated according to revised temperature maximum
The third maximum temperature value of middle braking system, the third maximum temperature value can be used as braking system maximum temperature in braking process
Value.It can be seen that using Rotating heat source method to the temperature of each braking in the braking process that is calculated by uniformly distributed heat resource method
Maximum is modified, and improves the accuracy of braking system maximum temperature value calculating, since the embodiment of the present application can only needle
Braking under target type of retardation is calculated using Rotating heat source method, without for all in entire braking process
Braking is all calculated using Rotating heat source method, therefore improves computational efficiency, to realize in time-saving, energy
The purpose for enough accurately determining out braking system maximum temperature value meets the needs of making or production.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the exemplary plot provided by the embodiments of the present application once braked；
Fig. 2 is a kind of exemplary plot of braking process provided by the embodiments of the present application；
Fig. 3 is a kind of exemplary plot of braking process provided by the embodiments of the present application；
Fig. 4 is the stream of the computational methods of braking system maximum temperature value in a kind of braking process provided by the embodiments of the present application
Cheng Tu；
Fig. 5 is that the Temperature-time of braking system maximum temperature point in a kind of braking process provided by the embodiments of the present application becomes
Change curve；
Fig. 6 is that one kind provided by the embodiments of the present application is based respectively on uniformly distributed heat resource method and Rotating heat source method calculates target braking
The Temperature-time change curve of the maximum temperature point of lower braking system；
Fig. 7 is the knot of the computing device of braking system maximum temperature value in a kind of braking process provided by the embodiments of the present application
Structure block diagram.
Specific implementation mode
Below in conjunction with the accompanying drawings, embodiments herein is described.
Applicant it has been investigated that, calculated in braking process in the method for braking system maximum temperature value traditional, can
It is more multiple especially for braking process since Rotating heat source method is computationally intensive to include being evenly distributed with heat resource method and Rotating heat source method
In the case of miscellaneous, the calculating time is long, and the memory space that result of calculation occupies is big, is unfavorable for production requirement, and is evenly distributed with heat resource method meter
Calculation amount is small, and the calculating time is short, and the memory space that result of calculation occupies is small, therefore, uniformly distributed heat resource method is currently mainly used and calculates system
Braking system maximum temperature value during dynamic.
But it is not inconsistent using the frictional heat energy and the actual distribution situation of frictional heat energy of uniformly distributed heat resource method load, only one
Kind approximate evaluation method, calculated braking system maximum temperature value error are big.
For this purpose, the embodiment of the present application provides a kind of computational methods of braking system maximum temperature value in braking process, for
Brake system process includes at least one type of retardation, and including at least twice brake in the case of, this method utilize
The high Rotating heat source method of computational accuracy is to each system in the braking process that is calculated by the fast uniformly distributed heat resource method of calculating speed
Dynamic temperature maximum is modified, to which the maximum temperature of braking system be calculated according to revised temperature maximum
Value improves the accuracy of braking system maximum temperature value calculating.And since the application is only for a target type of retardation
Under braking calculated using Rotating heat source method, without all using Rotating heat source for all brakings in entire braking process
Method is calculated, therefore improves computational efficiency, to realize in the case that time-saving, can accurately determine out braking
The purpose of system maximum temperature value meets the needs of making or production.
The braking process mentioned in the embodiment of the present application includes at least one type of retardation, and including making at least twice
It is dynamic, that is to say, that in the multiple braking of braking process, the type of retardation at least braked twice is identical.
Wherein, braking can be the operation for instigating running locomotive, vehicle etc. to stop or lower speed, and primary braking can
To refer to the process of completing once to be reduced to target velocity from some speed.Braking quantity in braking process can be according to reality
Demand is determined, such as shown in Fig. 1, and vehicle is target velocity 0 that 80km/h reduces from speed in Fig. 1, that is, completes primary braking.
The braking process of the embodiment of the present application may refer to Fig. 2 and Fig. 3, and from two width it can be seen from the figure thats, the braking process in Fig. 2 includes
It brakes twice, the braking process in Fig. 3 includes 10 brakings.
Type of retardation can be determined according to the brake parameters of vehicle in braking process, and brake parameters for example can be system
Dynamic initial velocity and braking deceleration can define the braking with identical initial speed of braking and braking deceleration in braking process
For a type of retardation.Include to brake twice, but this initial speed of braking braked twice is all by taking Fig. 2 as an example, in Fig. 2
80km/h, braking deceleration 1.2m/s2, therefore, this is braked twice belongs to identical type of retardation, which includes
One type of retardation, is braked twice.
For another example include 10 brakings in Fig. 3, Fig. 3, wherein the initial speed of braking of 5 brakings is all 80km/h, braking subtracts
Speed is all 1m/s2, type of retardation A can be defined as；The initial speed of braking of wherein 2 brakings is all 100km/h, braking
Deceleration is all 1m/s2, type of retardation B can be defined as；The initial speed of braking of wherein 3 brakings is all 60km/h, system
Dynamic deceleration is all 1m/s2, type of retardation C can be defined as.Therefore, braking process shown in Fig. 3 includes three systems
Dynamic type, ten brakings.
Below in conjunction with the accompanying drawings, to the meter of braking system maximum temperature value in a kind of braking process provided by the embodiments of the present application
Calculation method is introduced.
A kind of flow chart of the computational methods of braking system maximum temperature value in braking process is shown referring to Fig. 4, Fig. 4,
Include at least one type of retardation for the brake system process, and including braking at least twice, the method packet
It includes：
S401, the temperature maximum for braking lower braking system in braking process every time is obtained using uniformly distributed heat resource method.
In order to produce or produce satisfactory braking system, the embodiment of the present application is simulated using different type of retardation
Go out braking process, since uniformly distributed heat resource method calculating speed is fast, uniformly distributed heat resource method can be used first for the braking process
Obtain the temperature maximum for braking lower braking system in entire braking process every time.
The braking process can with as shown in figure 3, include in Fig. 3 10 times braking, can be obtained often using uniformly distributed heat resource method
The temperature maximum of braking system under secondary braking, you can to obtain 10 temperature maximums, brake the temperature of lower braking system every time
Degree maximum is followed successively by Tmax1、Tmax2、Tmax3、Tmax4、Tmax5、Tmax6、Tmax7、Tmax8、Tmax9、Tmax10。
It should be noted that a kind of realization method of S401 can be：The braking is calculated using the uniformly distributed heat resource method
Then the temperature field of system determines the temperature of the braking system under being braked every time in the braking process according to the temperature field
Maximum.
Continue by taking braking process shown in Fig. 3 as an example, can be that braking is quickly calculated based on uniformly distributed heat resource method specifically
The temperature field of system obtains maximum temperature point A in braking system according to the temperature field0Position, to obtain maximum temperature
Point A0Temperature-time change curve, as shown in Figure 5.Then, according to maximum temperature point A0Temperature-time change curve obtain
The temperature maximum braked every time, to obtain 10 temperature maximum T shown in Fig. 5max1、Tmax2、Tmax3、Tmax4、Tmax5、
Tmax6、Tmax7、Tmax8、Tmax9、Tmax10。
S402, it is directed to the braking system, carries out the target braking of a target type of retardation, utilize the uniformly distributed heat source
Method calculates the first maximum temperature value of the braking system under target braking, and is calculated in institute using Rotating heat source method
State the second maximum temperature value of the braking system under target braking.
Wherein, type of retardation can be according in the braking process initial speed of braking and braking deceleration determine,
Braking with identical initial speed of braking and braking deceleration in braking process can be determined as a type of retardation.The mesh
It is any one type of retardation at least one type of retardation to mark type of retardation.
Since uniformly distributed heat resource method calculates, error is big, and Rotating heat source method calculates accuracy height, next can be used with fraction
Rotating heat source method is modified calculated each temperature maximum, for example, simulating a target system for braking system
Braking under dynamic type.In order to use Rotating heat source method to being repaiied by the calculated each temperature maximum of uniformly distributed heat resource method
Just, it is necessary first to obtain uniformly distributed error of the heat resource method relative to Rotating heat source method, S402 and S403 are to obtain the mistake
Difference.
It should be noted that a kind of realization method of S402 can be：It is based respectively on uniformly distributed heat resource method and Rotating heat source method
Calculate the maximum temperature point A of the secondary lower braking system of target braking0Temperature-time change curve, such as shown in Fig. 6, wherein
Dotted line expression is calculated by uniformly distributed heat resource method, and solid line expression is calculated by Rotating heat source method.Then, according to uniformly distributed heat
The Temperature-time change curve that source method obtains determines the first maximum temperature value under the secondary target braking, and according to rotation heat
The Temperature-time change curve that source method obtains determines the second maximum temperature value under the secondary target braking.
For example, the type of retardation A in Fig. 3 as target type of retardation, then carries out the target braking of a type of retardation A,
The A being calculated based on Rotating heat source method and uniformly distributed heat resource method0Temperature value versus time curve is as shown in fig. 6, according to equal
The Temperature-time change curve that cloth heat resource method obtains determines the first maximum temperature value T under the secondary target brakingA_max_J, and
The Temperature-time change curve obtained according to Rotating heat source method determines the second maximum temperature value under the secondary target braking
TA_max_X。
S403, temperature gap is calculated according to first maximum temperature and second maximum temperature.
Based in S402 the first obtained maximum temperature and second maximum temperature, the second maximum temperature can be utilized
Value subtracts the first maximum temperature and is worth to temperature gap.
For example, having obtained the first maximum temperature value T as target type of retardation for above-mentioned type of retardation AA_max_JWith
Two maximum temperature value TA_max_X, then temperature gap Δ TA_max=TA_max_X-TA_max_J。
S404, the braking correspondence with the target type of retardation in the braking process is corrected according to the temperature gap
Temperature maximum, obtain revised temperature maximum.
Since temperature gap can reflect error of the uniformly distributed heat resource method relative to Rotating heat source method, the temperature gap is utilized
The corresponding temperature maximum of braking with target type of retardation can be modified, to obtain that there is mesh in braking process
Mark the corresponding revised temperature maximum of braking of type of retardation.
It is understood that since temperature gap can be 0, revised temperature maximum may exist and original
Carry out the identical situation of temperature maximum.
It is understood that since temperature gap can be subtracted using the second maximum temperature value that Rotating heat source method obtains
It is worth to using the first maximum temperature that uniformly distributed heat resource method obtains, you can utilize uniformly distributed heat resource method to illustrate to a certain extent
Obtained temperature maximum is compared with the high temperature maximum obtained using Rotating heat source method of accuracy, the temperature difference of difference
Value, then, the high temperature maximum of accuracy, which needs temperature gap being superimposed upon to utilize, in order to obtain is evenly distributed with what heat resource method obtained
On temperature maximum.Therefore, a kind of realization method of S404 can be that the temperature gap is superimposed upon in the braking process
On the corresponding temperature maximum of braking with the target type of retardation, to obtain revised temperature maximum, this is repaiied
Temperature maximum after just is the high temperature maximum of accuracy.
For example, having obtained temperature gap Δ T as target type of retardation for above-mentioned type of retardation AA_max, and known tool
It is T to have the corresponding temperature maximum of the braking of type of retardation Amax1, then revised temperature maximum is Tmax1+ΔTA_max。
S405, the third that the braking system described in the braking process is calculated in conjunction with the revised temperature maximum
Maximum temperature value, using the third maximum temperature value as the maximum temperature value of the braking system described in the braking process.
After obtaining revised temperature maximum for target type of retardation, which can be used for
Calculate the third maximum temperature value of the braking system described in the braking process, the accuracy of the revised temperature maximum
Higher, therefore, in conjunction with the accuracy higher of the revised calculated third maximum temperature value of temperature maximum, to more
Add the maximum temperature value for accurately obtaining the braking system described in the braking process.
It can be seen that using Rotating heat source method to each braking in the braking process that is calculated by uniformly distributed heat resource method
Temperature maximum is modified, and improves the accuracy of braking system maximum temperature value calculating, since the embodiment of the present application can be with
It is calculated using Rotating heat source method only for the braking under a target type of retardation, without in entire braking process
All brakings are all calculated using Rotating heat source method, and computational efficiency is improved, to realize in time-saving, energy
The purpose for enough accurately determining out braking system maximum temperature value meets the needs of making or production.
How to be calculated it should be noted that above-described embodiment is mainly described by taking the braking of the target of target type of retardation as an example
The corresponding temperature maximum of braking with target type of retardation, more accurate maximum temperature can be calculated to have
The ability of value.In actual mechanical process, if the braking process includes multiple type of retardation, the present embodiment can be by the system
Any one type of retardation during dynamic is used as target type of retardation successively, executes S402 successively, to obtain for each
Type of retardation, uniformly distributed error of the heat resource method relative to Rotating heat source method, so as to braking is lower described every time in entire braking process
The temperature maximum of braking system is modified, to obtain the maximum temperature of the braking system described in the braking process
Value.
Below by taking Fig. 3 as an example, introduces in the case where braking process includes multiple type of retardation, how accurately to calculate
Go out the maximum temperature value of braking system.
In figure 3, braking process includes three type of retardation, is type of retardation A, type of retardation B and braking respectively
Type C, 10 brakings.S401 is being executed, 10 temperature maximum T are obtainedmax1、Tmax2、Tmax3、Tmax4、Tmax5、Tmax6、
Tmax7、Tmax8、Tmax9、Tmax10Afterwards, it can be then directed to the braking system using type of retardation A as target type of retardation first, it can
To carry out the target braking of a type of retardation A, the braking under target braking is calculated using the uniformly distributed heat resource method
First maximum temperature value T of systemA_max_J, and Rotating heat source method is utilized to calculate the braking system under target braking
The second maximum temperature value TA_max_X；Then it can be then directed to the braking system using type of retardation B as target type of retardation,
The target braking that can carry out a type of retardation B calculates the system under target braking using the uniformly distributed heat resource method
First maximum temperature value T of dynamic systemB_max_J, and Rotating heat source method is utilized to calculate the braking system under target braking
Second maximum temperature value T of systemB_max_X；Then the braking system can be then directed to using type of retardation C as target type of retardation
System can carry out the target braking of a type of retardation C, be calculated using the uniformly distributed heat resource method described under target braking
First maximum temperature value T of braking systemC_max_J, and utilize Rotating heat source method calculating braking under target braking
Second maximum temperature value T of systemC_max_X。
Then, it is directed to type of retardation A, B and C respectively, the temperature being calculated using Rotating heat source method and uniformly distributed heat resource method
Difference, the corresponding temperature gaps of type of retardation A are Δ TA_max=TA_max_X-TA_max_J, the corresponding temperature gaps of type of retardation B are
ΔTB_max=TB_max_X-TB_max_J, the corresponding temperature gaps of type of retardation C are Δ TC_max=TC_max_X-TC_max_J。
Then, it needs the corresponding temperature maximum of braking every time respectively to each type of retardation to be modified, obtains whole
The revised temperature maximum of lower braking system is braked in a braking process every time.In figure 3, the system with type of retardation A
It is T successively to move corresponding temperature maximummax1、Tmax2、Tmax3、Tmax6、Tmax9, by Δ TA_maxIt is superimposed upon with type of retardation A's
Brake on corresponding temperature maximum, obtain having the corresponding revised temperature maximum of each braking of type of retardation A according to
Secondary is Tmax1+ΔTA_max、Tmax2+ΔTA_max、Tmax3+ΔTA_max、Tmax6+ΔTA_max、Tmax9+ΔTA_max；With corresponding braking
The corresponding temperature maximum of braking of type B is T successivelymax4、Tmax5, by Δ TB_maxIt is superimposed upon the braking with type of retardation B
On corresponding temperature maximum, obtain that there is the corresponding revised temperature maximum of each braking of type of retardation B to be followed successively by
Tmax4+ΔTB_max、Tmax5+ΔTB_max；The corresponding temperature maximum of braking with corresponding type of retardation C is T successivelymax7、
Tmax8、Tmax10, by Δ TC_maxIt is superimposed upon on the corresponding temperature maximum of braking with type of retardation C, obtains that there is braking class
The corresponding revised temperature maximum of each braking of type C is followed successively by Tmax7+ΔTC_max、Tmax8+ΔTC_max、Tmax10+Δ
TC_max.So far the revised temperature maximum for obtaining braking lower braking system every time in entire braking process, is T successivelymax1+
ΔTA_max、Tmax2+ΔTA_max、Tmax3+ΔTA_max、Tmax4+ΔTB_max、Tmax5+ΔTB_max、Tmax6+ΔTA_max、Tmax7+Δ
TC_max、Tmax8+ΔTC_max、Tmax9+ΔTA_max、Tmax10+ΔTC_max。
Finally, according to 10 revised temperature maximum Tmax1+ΔTA_max、Tmax2+ΔTA_max、Tmax3+ΔTA_max、
Tmax4+ΔTB_max、Tmax5+ΔTB_max、Tmax6+ΔTA_max、Tmax7+ΔTC_max、Tmax8+ΔTC_max、Tmax9+ΔTA_max、Tmax10+
ΔTC_maxIt determines third maximum temperature value, such as third highest can be used as by maximum in 10 revised temperature maximums
Temperature value, the third maximum temperature value are the maximum temperature value of braking system in braking process.
The computational methods of braking system maximum temperature value, this implementation in a kind of braking process provided based on previous embodiment
The computing device of braking system maximum temperature value, a kind of braked is shown referring to Fig. 7, Fig. 7 in a kind of braking process of example offer
The structure diagram of the computing device of braking system maximum temperature value in journey, including first acquisition unit 701, the first computing unit
702, the second computing unit 703, amending unit 704 and third computing unit 705：
The first acquisition unit 701, for utilizing the system under being braked every time in uniformly distributed heat resource method acquisition braking process
The temperature maximum of dynamic system；
First computing unit 702 carries out the target system of a target type of retardation for being directed to the braking system
It is dynamic, the first maximum temperature value of the braking system under target braking, Yi Jili are calculated using the uniformly distributed heat resource method
The second maximum temperature value of the braking system under target braking is calculated with Rotating heat source method；The target type of retardation
For any one type of retardation at least one type of retardation；
Second computing unit 703, for calculating temperature according to first maximum temperature and second maximum temperature
Spend difference；
The amending unit 704 has the target system for being corrected according to the temperature gap in the braking process
The corresponding temperature maximum of braking of dynamic type, obtains revised temperature maximum；
The third computing unit 705, for being calculated in the braking process in conjunction with the revised temperature maximum
Described in braking system third maximum temperature value, the third maximum temperature value is made as described in the braking process
The maximum temperature value of dynamic system.
Optionally, the amending unit 704, for the temperature gap to be superimposed upon in the braking process with described
On the corresponding temperature maximum of braking of target type of retardation, revised temperature maximum is obtained.
Optionally, if the braking process includes multiple type of retardation, described device further includes second acquisition unit：
The second acquisition unit, for regarding any one type of retardation in the braking process as the mesh successively
Mark type of retardation, trigger first computing unit 702 execute it is described be directed to the braking system, carry out a target and brake class
Target braking under type calculates first highest temperature of the braking system under target braking using the uniformly distributed heat resource method
Angle value, and the step using Rotating heat source method calculating second maximum temperature value of the braking system under target braking
Suddenly.
Optionally, the type of retardation be according in the braking process initial speed of braking and braking deceleration determine
's.
Optionally, the first acquisition unit 701, the temperature for calculating the braking system using the uniformly distributed heat resource method
Spend field；The temperature maximum of the braking system under being braked every time in the braking process is determined according to the temperature field.
It can be seen that using Rotating heat source method to each braking in the braking process that is calculated by uniformly distributed heat resource method
Temperature maximum is modified, and improves the accuracy of braking system maximum temperature value calculating, since the embodiment of the present application can be with
It is calculated using Rotating heat source method only for the braking under a target type of retardation, without in entire braking process
All brakings are all calculated using Rotating heat source method, therefore improve computational efficiency, to realize in time-saving situation
Under, the purpose of braking system maximum temperature value can be accurately determined out, meets the needs of making or production.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and foregoing routine can be stored in a computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned can be in following media at least
It is a kind of：Read-only memory (English：Read-only memory, abbreviation：ROM), RAM, magnetic disc or CD etc. are various to deposit
Store up the medium of program code.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment it
Between just to refer each other for identical similar part, each embodiment focuses on the differences from other embodiments.
For equipment and system embodiment, since it is substantially similar to the method embodiment, so describe fairly simple,
The relevent part can refer to the partial explaination of embodiments of method.Equipment and system embodiment described above is only schematic
, wherein may or may not be physically separated as the unit that separating component illustrates, shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of module therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
Those of ordinary skill in the art are without creative efforts, you can to understand and implement.
The above, only a kind of specific implementation mode of the application, but the protection domain of the application is not limited thereto,
Any one skilled in the art is in the technical scope that the application discloses, the change or replacement that can be readily occurred in,
It should all cover within the protection domain of the application.Therefore, the protection domain of the application should be with scope of the claims
Subject to.
Claims (10)
1. the computational methods of braking system maximum temperature value in a kind of braking process, which is characterized in that be directed to the braking system
Braking process includes at least one type of retardation, and including braking at least twice, the method includes：
The temperature maximum of the braking system under being braked every time in braking process is obtained using uniformly distributed heat resource method；
For the braking system, the target braking of a target type of retardation is carried out, is calculated using the uniformly distributed heat resource method
First maximum temperature value of the braking system under the target braking, and calculated in the target system using Rotating heat source method
Second maximum temperature value of the braking system under dynamic；The target type of retardation is appointing at least one type of retardation
One type of retardation of meaning；
Temperature gap is calculated according to first maximum temperature and second maximum temperature；
The corresponding temperature pole of braking with the target type of retardation in the braking process is corrected according to the temperature gap
Big value, obtains revised temperature maximum；
The third maximum temperature of the braking system described in the braking process is calculated in conjunction with the revised temperature maximum
Value, using the third maximum temperature value as the maximum temperature value of the braking system described in the braking process.
2. according to the method described in claim 1, it is characterized in that, described correct the braking process according to the temperature gap
In with the target type of retardation the corresponding temperature maximum of braking, obtain revised temperature maximum, including：
The temperature gap is superimposed upon the corresponding temperature pole of braking with the target type of retardation in the braking process
In big value, revised temperature maximum is obtained.
3. if described according to the method described in claim 1, it is characterized in that, the braking process includes multiple type of retardation
Method further includes：
It regard any one type of retardation in the braking process as the target type of retardation successively, executes described for institute
Braking system is stated, the target braking under a target type of retardation is carried out, is calculated in the target using the uniformly distributed heat resource method
First maximum temperature value of the braking system under braking, and it is described under target braking using the calculating of Rotating heat source method
The step of second maximum temperature value of braking system.
4. according to the method described in claim 1, it is characterized in that, the type of retardation is according to the system in the braking process
What dynamic initial velocity and braking deceleration determined.
5. according to the method described in claim 1, it is characterized in that, described obtained in braking process every time using uniformly distributed heat resource method
The temperature maximum of the lower braking system of braking, including：
The temperature field of the braking system is calculated using the uniformly distributed heat resource method；
The temperature maximum of the braking system under being braked every time in the braking process is determined according to the temperature field.
6. the computing device of braking system maximum temperature value in a kind of braking process, which is characterized in that be directed to the braking system
Braking process includes at least one type of retardation, and including braking at least twice, and described device includes first acquisition unit,
One computing unit, the second computing unit, amending unit and third computing unit：
The first acquisition unit, for utilizing the braking system under being braked every time in uniformly distributed heat resource method acquisition braking process
Temperature maximum；
First computing unit carries out the target braking of a target type of retardation, utilizes for being directed to the braking system
The uniformly distributed heat resource method calculates the first maximum temperature value of the braking system under target braking, and utilizes rotation heat
Source method calculates the second maximum temperature value of the braking system under target braking；The target type of retardation be it is described extremely
Any one type of retardation in a few type of retardation；
Second computing unit, for calculating temperature gap according to first maximum temperature and second maximum temperature；
The amending unit has the target type of retardation for being corrected according to the temperature gap in the braking process
Corresponding temperature maximum is braked, revised temperature maximum is obtained；
The third computing unit is made for being calculated in conjunction with the revised temperature maximum described in the braking process
The third maximum temperature value of dynamic system, using the third maximum temperature value as the braking system described in the braking process
Maximum temperature value.
7. device according to claim 6, which is characterized in that the amending unit, for the temperature gap to be superimposed
In the braking process on the corresponding temperature maximum of braking with the target type of retardation, revised temperature is obtained
Maximum.
8. device according to claim 6, which is characterized in that described if the braking process includes multiple type of retardation
Device further includes second acquisition unit：
The second acquisition unit, for regarding any one type of retardation in the braking process as the target system successively
Dynamic type triggers and is directed to the braking system described in the first computing unit execution, carries out under a target type of retardation
Target is braked, and the first maximum temperature value of the braking system under target braking is calculated using the uniformly distributed heat resource method,
And the step of utilizing Rotating heat source method to calculate the second maximum temperature value of the braking system under target braking.
9. device according to claim 6, which is characterized in that the type of retardation is according to the system in the braking process
What dynamic initial velocity and braking deceleration determined.
10. device according to claim 6, which is characterized in that the first acquisition unit, for utilizing the uniformly distributed heat
Source method calculates the temperature field of the braking system；The system under being braked every time in the braking process is determined according to the temperature field
The temperature maximum of dynamic system.
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| CN201810534130.1A CN108491675A (en) | 2018-05-29 | 2018-05-29 | The computational methods and device of braking system maximum temperature value in a kind of braking process |
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| CN201810534130.1A CN108491675A (en) | 2018-05-29 | 2018-05-29 | The computational methods and device of braking system maximum temperature value in a kind of braking process |
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