CN108804826A - A kind of method of dynamic analysis and device - Google Patents
A kind of method of dynamic analysis and device Download PDFInfo
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- CN108804826A CN108804826A CN201810602008.3A CN201810602008A CN108804826A CN 108804826 A CN108804826 A CN 108804826A CN 201810602008 A CN201810602008 A CN 201810602008A CN 108804826 A CN108804826 A CN 108804826A
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- 238000010835 comparative analysis Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 12
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Abstract
A kind of method of dynamic analysis of proposition of the embodiment of the present invention and device.This method includes：Carry out state selection；If dynamic, simulation calculation is carried out to vehicle real-time dynamic data, road environment parameter and duty parameter, obtains the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result；If static state, simulation calculation is carried out to vehicle parameter, road environment parameter and duty parameter, obtains the second dynamics simulation result, the second economy simulation result and the second comprehensive performance result；Comparative analysis result is obtained according to the first dynamics simulation result, the first economy simulation result, the first comprehensive performance result and the second dynamics simulation result, the second economy simulation result, the second comprehensive performance result.Using method of dynamic analysis provided by the invention and device, solve the problems, such as that phantom error can not be assessed.
Description
Technical field
The present invention relates to simulation technical fields, in particular to a kind of method of dynamic analysis and device.
Background technology
In the primary stage of Car design and exploitation, the optimization for vehicle structure and energy management strategies are needed in reality
It needs to be verified by emulation before the exploitation of border, to save development cost and development cycle.
And existing analogue system and method are all mainly used for longitudinal direction of car performance evaluation, phantom error can not be commented
Estimate.
Invention content
The purpose of the present invention is to provide a kind of method of dynamic analysis and devices, and solving phantom error can not be assessed
The problem of.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
In a first aspect, an embodiment of the present invention provides a kind of method of dynamic analysis, the method includes：Carry out state choosing
It selects；If dynamic, simulation calculation is carried out to vehicle real-time dynamic data, road environment parameter and duty parameter, obtains first
Dynamics simulation result, the first economy simulation result and the first comprehensive performance result；If static state, to vehicle parameter, road
Road environmental parameter and duty parameter carry out simulation calculation, obtain the second dynamics simulation result, the second economy simulation result
And the second comprehensive performance result；According to the first dynamics simulation result, the first economy simulation result, first comprehensive
Energy result and the second dynamics simulation result, the second economy simulation result, the second comprehensive performance result are obtained to score
Analyse result.
Further, described if dynamic, vehicle real-time dynamic data, road environment parameter and duty parameter are carried out
Simulation calculation, the step of obtaining the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result
Including：The vehicle real-time dynamic data is obtained according to user's operation；Judge whether the vehicle real-time dynamic data is effective, and
Power performance in driving process is obtained according to the vehicle real-time dynamic data；If invalid, it is real-time to re-start the vehicle
The input of dynamic data；If effectively, joining to the vehicle real-time dynamic data, the road environment parameter and the operating mode
Number carries out simulation calculations, obtains the first dynamics simulation result, the first economy simulation result, and according to described the
Power performance obtains described first in one dynamics simulation result, the first economy simulation result and the driving process
Comprehensive result.
Further, described if static state, emulation meter is carried out to vehicle parameter, road environment parameter and duty parameter
It calculates, the step of obtaining the second dynamics simulation result, the second economy simulation result and the second comprehensive performance result includes：Root
The vehicle parameter is obtained according to user's operation；Judge whether the vehicle parameter is effective；If invalid, the vehicle is re-started
The input of parameter；If effectively, carrying out emulation meter to the vehicle parameter, the road environment parameter and the duty parameter
It calculates, obtains the second dynamics simulation result, the second economy simulation result and the second comprehensive performance result.
Further, the second comprehensive performance result is according to the second dynamics simulation result and described second
Economy simulation result obtains.
Further, the first dynamics simulation result and the second dynamics simulation result include grade climbing performance
Analysis result, at full capacity accelerating ability analysis result, steady state ride performance analysis result, brake/slide/towing astern analysis result,
State of cyclic operation analysis result, cruise driving cycle analysis result, power-assisted/power-balance figure and power flow direction figure.
Second aspect, the embodiment of the present invention additionally provide a kind of kinematic analysis device, and described device includes：Select mould
Block, for carrying out state selection；Dynamic simulation module, for vehicle real-time dynamic data, road environment parameter and operating mode
Parameter carries out simulation calculation, obtains the first dynamics simulation result, the first economy simulation result and the first comprehensive performance knot
Fruit；STATIC SIMULATION module obtains second for carrying out simulation calculation to vehicle parameter, road environment parameter and duty parameter
Dynamics simulation result, the second economy simulation result and the second comprehensive performance result；Comparative analysis module, for according to institute
State the first dynamics simulation result, the first economy simulation result, the first comprehensive performance result and second dynamics simulation
As a result, the second economy simulation result, the second comprehensive performance result obtain comparative analysis result.
Further, the kinematic analysis device further includes：First input module, for obtaining vehicle according to user's operation
Real-time dynamic data or vehicle parameter.
Further, the kinematic analysis device further includes：Second input module, for obtaining road according to user's operation
Environmental parameter.
Further, the kinematic analysis device further includes：Third input module, for obtaining operating mode according to user's operation
Parameter.
Further, the kinematic analysis device further includes：Parameter judgment module, for judging the real-time dynamic of the vehicle
Whether data are effective, or judge whether the vehicle parameter is effective.
A kind of method of dynamic analysis provided in an embodiment of the present invention and device are obtained by carrying out simulation calculation to dynamic
First dynamics simulation result, the first economy simulation result and the first comprehensive performance as a result, to static state carry out simulation calculation,
The second dynamics simulation result, the second economy simulation result and the second comprehensive performance are obtained as a result, again by the first dynamic property
Simulation result, the first economy simulation result, the first comprehensive performance result and the second dynamics simulation result, the second economy
Property simulation result, the second comprehensive performance result compare and analyze to obtain comparative analysis result.Respectively to dynamic and static progress
Longitudinal performance evaluation is compared and analyzed further according to dynamic longitudinal to results of performance analysis and static longitudinal results of performance analysis, can
To estimate phantom error so that emulation data are more accurate, improve vehicle efficiency of research and development.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the application environment schematic diagram of method of dynamic analysis provided in an embodiment of the present invention and device；
Fig. 2 shows the structure diagrams of server provided in an embodiment of the present invention；
Fig. 3 shows the flow diagram of method of dynamic analysis provided in an embodiment of the present invention；
Fig. 4 shows the sub-process schematic diagram of step S2 in Fig. 3；
Fig. 5 shows the sub-process schematic diagram of step S3 in Fig. 3；
Fig. 6 shows the structure diagram of kinematic analysis device provided in an embodiment of the present invention.
Specific implementation mode
The index calculating method and device that the embodiment of the present invention is provided can be applied in application environment as shown in Figure 1.
As shown in Figure 1, server 100, client 200 are located in wireless network or cable network 300, by the wireless network or wired
Network 300, client 200 carry out data interaction with server 100.The server 100 can provide at least one be suitable for
The installation kit of the application program (Application, APP) 400 of various operating systems is downloaded for the client 200.The visitor
After family end 200 accesses the server 100 by the network 300, it can be downloaded and be fitted from server 100 by the network 300
The application program 400 is installed to described by the installation kit of the application program 400 of the operating system for the client 200
In client 200.
Wherein, which may be, but not limited to, host (Host).The client 200 may be, but not limited to,
Smart mobile phone, PC (personal computer, PC), tablet computer, personal digital assistant (personal
Digital assistant, PDA), mobile internet surfing equipment (mobile Internet device, MID) etc..The client
200 operating system may be, but not limited to, Android (Android) system, IOS (iPhone operating system) system
System, Windows phone systems, Windows systems etc..The application program 400 is installed to the client 200 for one
Application program about automobile power analysis.
As shown in Fig. 2, being the block diagram of server 100 shown in FIG. 1.Server 100 include storage medium 112,
Processor 111, communication unit 113 and kinematic analysis device 10, the storage medium 112, the processor 111 and communication unit
It is directly or indirectly electrically connected between member 113, to realize the transmission or interaction of data, for example, these elements can lead between each other
It crosses one or more communication bus or signal wire is realized and is electrically connected.The kinematic analysis device 10 include it is at least one can be soft
The form of part or firmware (firmware) is stored in the software function module in the storage medium 112.The processor 111 is used
In executing the executable module stored in the storage medium 112, such as the software work(included by the kinematic analysis device 10
Energy module and computer program etc. realize kinematic analysis side when the computer program is read and run by the processor 111
Method.The communication unit 113 is used to establish the communication link between the server 100 and client 200 by the network 300
It connects, and for passing through 300 transceiving data of the network.
Wherein, the storage medium 112 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..The processor 111 can be general processor, including central processing unit (Central
Processing Unit, CPU), network processing unit (Network Processor, NP) etc.；It can also be Digital Signal Processing
Device (DSP)), it is application-specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.It may be implemented or execute the disclosed each side in the embodiment of the present invention
Method, step and logic diagram.General processor can be microprocessor or the processor can also be any conventional processing
Device etc..Wherein, place's storage medium 112 is for storing computer program, and the processor 111 is executed instruction receiving
Afterwards, the computer program is executed, to realize method of dynamic analysis.
It is appreciated that structure shown in Fig. 2 is only to illustrate, server 100 may also include than shown in Fig. 2 more or more
Few component, or with the configuration different from shown in Fig. 2.Hardware, software or its group may be used in each component shown in Fig. 2
It closes and realizes.
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
As shown in figure 3, for the flow diagram of method of dynamic analysis provided in an embodiment of the present invention, it should be noted that this
The invention method of dynamic analysis is not limitation with Fig. 3 and particular order as described below.It should be appreciated that in other realities
It applies in example, the sequence of method of dynamic analysis which part step of the present invention can be exchanged with each other according to actual needs, or
Person's part steps therein can also be omitted or be deleted.Detailed process shown in Fig. 3 will be described in detail below.It please refers to
Fig. 3, the present embodiment describe the process flow of server 100, the method includes：
Step S1 carries out state selection.
Step S2 carries out emulation meter if dynamic to vehicle real-time dynamic data, road environment parameter and duty parameter
It calculates, obtains the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result.
In the present embodiment, the vehicle real-time dynamic data can be used DBC file formats and be stored, and the vehicle is real
When dynamic data include the torque of real-time change, rotating speed, the rated capacity of battery, rated voltage, maximum voltage, minimum voltage,
The gear number of speed changer and the speed ratio of each gear, rotary inertia, torque loss, tire parameter, brake parameter, front face area with
And coefficient of air resistance etc..The road environment parameter includes temperature parameter and humidity parameter.The duty parameter includes row
Sail distance, upward slope parameter, descending parameter, turning parameter and the traffic lights parameter of road.
As shown in figure 4, step S2 specifically includes following sub-step：
Sub-step S21 obtains the vehicle real-time dynamic data according to user's operation.
Sub-step S22 judges whether the vehicle real-time dynamic data is effective, and according to the vehicle real-time dynamic data
Obtain power performance in driving process.
Sub-step S23, if in vain, re-starting the input of the vehicle real-time dynamic data.
Sub-step S24, if effectively, to the vehicle real-time dynamic data, the road environment parameter and the work
Condition parameter carries out simulation calculation, obtains the first dynamics simulation result, the first economy simulation result, and according to institute
State power performance in the first dynamics simulation result, the first economy simulation result and the driving process obtain it is described
First comprehensive result.
Step S3 carries out simulation calculation to vehicle parameter, road environment parameter and duty parameter, obtains if static state
Second dynamics simulation result, the second economy simulation result and the second comprehensive performance result.
In the present embodiment, the vehicle parameter includes torque, rotating speed, the rated capacity of battery, rated voltage, maximum electricity
Speed ratio, rotary inertia, torque loss, tire parameter, the brake ginseng of pressure, minimum voltage, the gear number of speed changer and each gear
Number, front face area and coefficient of air resistance etc..Wherein, the vehicle parameter is the parameter under vehicle stationary state, and vehicle
Real-time dynamic data is the parameter in vehicle driving process, for example, the circle that the tire parameter under stationary state is radius 50cm, row
Tire parameter during sailing is that major radius is 55cm, and short radius is the ellipse of 45cm.
As shown in figure 5, step S3 specifically includes following sub-step：
Sub-step S31 obtains the vehicle parameter according to user's operation.
Sub-step S32 judges whether the vehicle parameter is effective.
Sub-step S33, if in vain, re-starting the input of the vehicle parameter.
Sub-step S34, if effectively, to the vehicle parameter, the road environment parameter and the duty parameter into
Row simulation calculation obtains the second dynamics simulation result, the second economy simulation result and second synthesis
Results of property.
Step S4, according to the first dynamics simulation result, the first economy simulation result, the first comprehensive performance result
Comparative analysis result is obtained with the second dynamics simulation result, the second economy simulation result, the second comprehensive performance result.
In the present embodiment, the first dynamics simulation result and the second dynamics simulation result include climbing
/ towing astern analysis knot is braked/slided to results of performance analysis, at full capacity accelerating ability analysis result, steady state ride performance analysis result
Fruit, state of cyclic operation analysis result, cruise driving cycle analysis result, power-assisted/power-balance figure and power flow direction figure.
In the present embodiment, the power consumption under the first economy simulation result is dynamically is as a result, the second economy simulation result
For the power consumption result under static state.
As shown in fig. 6, for the structural schematic diagram of kinematic analysis device 10 provided in an embodiment of the present invention, the kinematic analysis
Device 10 is applied in server 100, it should be noted that kinematic analysis device 10 its basic principle that the present embodiment is provided
And the technique effect generated is identical as preceding method embodiment, to briefly describe, part is not referred in the present embodiment, before can refer to
State the corresponding contents in embodiment of the method.The kinematic analysis device 10 includes selecting module 11, dynamic simulation module 12, static state
Emulation module 13 and comparative analysis module 14.
The selecting module 11 is for carrying out state selection.
It is appreciated that the selecting module 11 can execute above-mentioned steps S1.
The dynamic simulation module 12 is used to carry out vehicle real-time dynamic data, road environment parameter and duty parameter
Simulation calculation obtains the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result.
It is appreciated that the dynamic simulation module 12 can execute above-mentioned steps S2.
STATIC SIMULATION module 13 is used to carry out simulation calculation to vehicle parameter, road environment parameter and duty parameter, obtains
To the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result.
It is appreciated that the STATIC SIMULATION module 13 can execute above-mentioned steps S3.
Comparative analysis module 14 is used for according to the first dynamics simulation result, the first economy simulation result, first
Comprehensive performance result and the second dynamics simulation result, the second economy simulation result, the second comprehensive performance result obtain
Comparative analysis result
It is appreciated that the comparative analysis module 14 can execute above-mentioned steps S4.
Further, in the present embodiment, the kinematic analysis device 10 further includes the first input module 15, is used for basis
User's operation obtains vehicle real-time dynamic data or vehicle parameter.
It is appreciated that first input module 15 can execute above-mentioned steps S21 or step S31.
Further, in the present embodiment, the kinematic analysis device 10 further includes the second input module 16, is used for basis
User's operation obtains road environment parameter.
It is appreciated that the road environment parameter in the step S2 and step S3 is obtained by the second input module 16.
Further, in the present embodiment, the kinematic analysis device 10 further includes third input module 17, is used for basis
User's operation obtains duty parameter.
It is appreciated that the duty parameter in the step S2 and step S3 is obtained by third input module 17.
Further, in the present embodiment, the kinematic analysis device 10 further includes parameter judgment module 18, for judging
Whether the vehicle real-time dynamic data is effective, or judges whether the vehicle parameter is effective.
It is appreciated that the parameter judgment module 18 can execute above-mentioned steps S22 or step S32.
In conclusion a kind of method of dynamic analysis provided in an embodiment of the present invention and device, by dynamically emulating
It calculates, obtains the first dynamics simulation result, the first economy simulation result and the first comprehensive performance as a result, being carried out to static state
Simulation calculation obtains the second dynamics simulation result, the second economy simulation result and the second comprehensive performance as a result, again by
One dynamics simulation result, the first economy simulation result, the first comprehensive performance result and the second dynamics simulation result,
Second economy simulation result, the second comprehensive performance result compare and analyze to obtain comparative analysis result.Respectively to dynamic and
Static state carries out longitudinal performance evaluation, is compared to results of performance analysis and static longitudinal results of performance analysis further according to dynamic longitudinal
Analysis, it is estimated that phantom error so that emulation data are more accurate, improve vehicle efficiency of research and development.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
Claims (10)
1. a kind of method of dynamic analysis, which is characterized in that the method includes：
Carry out state selection；
If dynamic, simulation calculation is carried out to vehicle real-time dynamic data, road environment parameter and duty parameter, obtains first
Dynamics simulation result, the first economy simulation result and the first comprehensive performance result；
If static state, simulation calculation is carried out to vehicle parameter, road environment parameter and duty parameter, it is imitative to obtain the second dynamic property
True result, the second economy simulation result and the second comprehensive performance result；
According to the first dynamics simulation result, the first economy simulation result, the first comprehensive performance result and described second
Dynamics simulation result, the second economy simulation result, the second comprehensive performance result obtain comparative analysis result.
2. method of dynamic analysis as described in claim 1, which is characterized in that it is described if dynamic, to the real-time dynamic number of vehicle
Simulation calculation is carried out according to, road environment parameter and duty parameter, obtains the first dynamics simulation result, the emulation of the first economy
As a result and the step of the first comprehensive performance result, includes：
The vehicle real-time dynamic data is obtained according to user's operation；
Judge whether the vehicle real-time dynamic data is effective, and is obtained in driving process according to the vehicle real-time dynamic data
Power performance；
If invalid, the input of the vehicle real-time dynamic data is re-started；
If effectively, being emulated to the vehicle real-time dynamic data, the road environment parameter and the duty parameter
It calculates, obtains the first dynamics simulation result, the first economy simulation result, and imitative according to first dynamic property
Power performance obtains the described first comprehensive knot in true result, the first economy simulation result and the driving process
Fruit.
3. method of dynamic analysis as described in claim 1, which is characterized in that it is described if static state, to vehicle parameter, road ring
Border parameter and duty parameter carry out simulation calculation, obtain the second dynamics simulation result, the second economy simulation result and
The step of second comprehensive performance result includes：
The vehicle parameter is obtained according to user's operation；
Judge whether the vehicle parameter is effective；
If invalid, the input of the vehicle parameter is re-started；
If effectively, carrying out simulation calculation to the vehicle parameter, the road environment parameter and the duty parameter, obtain
The second dynamics simulation result, the second economy simulation result and the second comprehensive performance result.
4. method of dynamic analysis as claimed in claim 3, which is characterized in that the second comprehensive performance result is according to the institute
It states the second dynamics simulation result and the second economy simulation result obtains.
5. method of dynamic analysis as described in claim 1, which is characterized in that the first dynamics simulation result and described
Two dynamics simulation results include grade climbing performance analysis result, at full capacity accelerating ability analysis result, steady state ride operating mode point
Analysis result, brake/slide/towing astern analysis result, state of cyclic operation analysis result, cruise driving cycle analysis result, power-assisted/power
Balance chart and power flow direction figure.
6. a kind of kinematic analysis device, which is characterized in that described device includes：
Selecting module, for carrying out state selection；
Dynamic simulation module, for carrying out simulation calculation to vehicle real-time dynamic data, road environment parameter and duty parameter,
Obtain the first dynamics simulation result, the first economy simulation result and the first comprehensive performance result；
STATIC SIMULATION module obtains second for carrying out simulation calculation to vehicle parameter, road environment parameter and duty parameter
Dynamics simulation result, the second economy simulation result and the second comprehensive performance result；
Comparative analysis module, for according to the first dynamics simulation result, the first economy simulation result, first comprehensive
Energy result and the second dynamics simulation result, the second economy simulation result, the second comprehensive performance result are obtained to score
Analyse result.
7. kinematic analysis device as claimed in claim 6, which is characterized in that the kinematic analysis device further includes：
First input module, for obtaining vehicle real-time dynamic data or vehicle parameter according to user's operation.
8. kinematic analysis device as claimed in claim 6, which is characterized in that the kinematic analysis device further includes：
Second input module, for obtaining road environment parameter according to user's operation.
9. kinematic analysis device as claimed in claim 6, which is characterized in that the kinematic analysis device further includes：
Third input module, for obtaining duty parameter according to user's operation.
10. kinematic analysis device as claimed in claim 6, which is characterized in that the kinematic analysis device further includes：
Whether parameter judgment module for judging whether the vehicle real-time dynamic data is effective, or judges the vehicle parameter
Effectively.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112241580A (en) * | 2019-09-12 | 2021-01-19 | 北京新能源汽车技术创新中心有限公司 | Power system parameter determination method and device, computer equipment and storage medium |
| CN112860665A (en) * | 2021-02-05 | 2021-05-28 | 西藏宁算科技集团有限公司 | Power economy data management method and device and electronic equipment |
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