CN109030028B - The test method that hybrid power automobile power assembly operating mode divides - Google Patents
The test method that hybrid power automobile power assembly operating mode divides Download PDFInfo
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- CN109030028B CN109030028B CN201811080387.0A CN201811080387A CN109030028B CN 109030028 B CN109030028 B CN 109030028B CN 201811080387 A CN201811080387 A CN 201811080387A CN 109030028 B CN109030028 B CN 109030028B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention proposes the test methods that a kind of hybrid power automobile power assembly operating mode divides, and include the following steps: S1, hybrid vehicle to be measured is placed on the roller of drum dynamometer, and the operating mode of drum dynamometer roller is arranged；S2 acquires the automotive service data in hybrid vehicle operational process, the revolving speed of roller is arranged so as to adjust operating speed；S3 adjusts vehicle accelerator pedal aperture by pedal limiter, obtains hybrid power system status data of vehicle under the conditions of a certain operating speed, different load.The power assembly operating mode of hybrid power system is analyzed according to data, and records the power assembly operating mode under the conditions of a large amount of " speed-load ", is generated the dot matrix state diagram of power assembly operating mode, is obtained each power assembly operating mode demarcation interval.
Description
Technical field
The present invention relates to computer analysis fields more particularly to a kind of hybrid power automobile power assembly operating mode to divide
Test method.
Background technique
Hybrid vehicle has annotated internal combustion engine, power battery and coupling technique with its good feature of environmental protection and practicability
It organically combines, solves the problems, such as that current power battery energy density is low, pure electric automobile continual mileage is short, skill with higher
Art level and market application value.
Influenced by its multiple-energy-source coupled characteristic, hybrid vehicle have that power assembly operating mode is various and mode with
It is easy to there are problems that being overlapped working region between mode.It needs largely to test vehicle during to mark, to
It is analyzed by the data of a large amount of operating conditions, obtains mark post sample car power assembly operating mode and divide.
Traditional test method generally requires that a variety of state of cyclic operation and single operating condition are analyzed and counted, dynamic to find
The region that power assembly operating mode divides, but there are larger drawbacks for this method, that is, be difficult to comprehensively, the completion power of system it is total
At the drafting of mode division figure.It is thus how accurate, not omitting that power assembly operating mode division rule is tested, it is special
It is not that how accurately to find overlapping region and line of demarcation between mode and mode be always that those skilled in the art are to be solved
Technical problem.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, it is dynamic especially innovatively to propose a kind of mixing
The power assembly operating mode division methods of power automobile.
In order to realize above-mentioned purpose of the invention, the present invention provides a kind of hybrid power automobile power assembly operating modes
The test method of division, includes the following steps:
Hybrid vehicle to be measured is placed on the roller of drum dynamometer by S1, setting drum dynamometer roller
Operating mode；
The revolving speed of roller is arranged to make vehicle obtain stable operating speed in S2.It acquires mixed in vehicle operation
Close dynamical system status data；
S3 adjusts vehicle accelerator pedal aperture by pedal limiter, obtains vehicle in a certain operating speed, different load
Under the conditions of hybrid power system status data.The power assembly operating mode of hybrid power system is analyzed according to data, and is remembered
The power assembly operating mode under the conditions of a large amount of " speed-load " is recorded, the dot matrix state diagram of power assembly operating mode is generated, obtains
Take each power assembly operating mode demarcation interval.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S1 includes:
Hybrid vehicle driving wheel to be measured is placed on the roller of drum dynamometer by S1-1, non-driving wheel fix or
Person dallies with the roller of drum dynamometer；
S1-2, setting rotary drum are constant speed mode；
S1-3, setting automobile are drive shift, close the power device of vehicle-mounted attachment.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S2 includes:
S2-1 acquires the revolving speed and torque signal of engine, generator, driving motor in vehicle operation, collecting vehicle
The electric current and voltage signal of power battery in operational process；Acquire jack shaft torque signal in vehicle operation；
Rotary drum rotational speed regulation vehicle operating speed is arranged in S2-2.Rotary drum revolving speed, which is respectively set, makes vehicle in minimum speed
For 0, the max speed VmaxSection in obtain n speed point tested.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S3 includes:
S3-1, setting pedal limiter adjust vehicle accelerator pedal aperture；Accelerator pedal aperture is respectively set, so that vehicle
Minimum aperture 0%, maximum opening 100% section in obtain m pedal opening point tested；
In test process, the constant speed mode of rotary drum roller is arranged in S3-2 first, so that rotary drum roller is operated in a certain stabilization and turns
Speed drives vehicle to reach the corresponding stabilizing speed V of the stabilized (steady-state) speed by rotary drum rolleri, Vi=VmaxThe max speed is by/n
VmaxSection in n speed point tested；Secondly, in a certain stabilizing speed ViUnder the conditions of, it is obtained by pedal limiter
A certain stable accelerator pedal aperture Pj, Pj=100%/m；
S3-3 acquires vehicle in each test point (Vi, Pj) under the conditions of engine, driving motor, generator revolving speed N
With torque T signal, engine mechanical output P is calculated according to P=T*N/9550e, driving motor mechanical output Pm, generator mechanical
Power Pg；Vehicle is acquired in each test point (Vi, Pj) under the conditions of power battery electric current I and voltage V signal, according to P=VI
Calculate the electrical power P of power batteryb；According to Pe、Pm、Pg、PbRelationship, by column (1), (2), (3), (4), (5), (6),
(7) judge the power assembly operating mode of hybrid vehicle:
Pe=0, Pm>0,Pg=0, Pb> 0 electric-only mode (1)；
Pe>0,Pm>0,Pg<0,Pb=0 series model, battery do not charge do not discharge (2)；
Pe>0,Pm>0,Pg<0,Pb< 0 series model, battery charge (3)；
Pe>0,Pm>0,Pg<0,Pb> 0 series model, battery discharge (4)；
Pe>0,Pm=0, Pg=0, Pb=0 paralleling model, battery do not charge do not discharge (5)；
Pe>0,Pm>0,Pg=0, Pb> 0 paralleling model, battery discharge (6)；
Pe>0,Pm<0,Pg=0, Pb< 0 paralleling model, battery charge (7)；
S3-4 records each test point (V according to above-mentioned S3-3i, Pj) corresponding vehicle engine assembly operating mode, it draws
System is using vehicle velocity V as X-axis, jack shaft torque TtFor the coordinate point diagram of Y-axis, and by the point of different dynamic assembly operating mode with not
Same color distinguishes, and obtains vehicle engine assembly working mode figure, vehicle engine assembly Working mould can be obtained by this figure
The line of demarcation for dividing region and two neighboring operating mode of formula；
S3-5, after primarily determining that power assembly operating mode divides region and boundary according to above-mentioned S3-4, two neighboring
Operating mode overlapping region, can Local uniqueness speed increment Delta V and pedal opening increment Delta P, according to above-mentioned testing procedure distinguish
Region is divided to power assembly operating mode in two change in coordinate axis direction of X and Y and boundary optimizes, it is more fine to obtain
Boundary line and overlapping region.
S3-6, according to above-mentioned S3-4, X, the Y axis coordinate point diagram drawn, X-coordinate can be speed, revolving speed；Its Y is sat
Mark can be driving force, torque, power, vehicle acceleration.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Using the constant speed mode of rotary drum, each stabilizing speed of vehicle travel process can be sufficiently simulated, solves and follows
Ring operating condition and single operating condition can not cover the problem of vehicle full vehicle speed range.
On the basis of rotary drum constant speed mode, in any one speed point, is realized by accelerator pedal limiter and accelerate to step on
Continuous adjustability of the plate aperture in 0~100% range, realizes on any one speed point vehicle that the continuous of vehicle load can
Tonality solves the vehicle load that state of cyclic operation and single operating condition cannot achieve in some speed points.
Speed is adjusted using rotary drum constant speed mode, adjusts vehicle load using accelerator pedal limiter, from speed (X-axis side
To) and two dimensions of vehicle load (Y direction) be adjusted, ensure that operation characteristic of the vehicle within the scope of full working scope,
The power assembly operating mode dividing condition analyzed on the basis of this is completely without omission.
Using the Local uniqueness of speed (X-direction) and vehicle load (Y direction) two dimensions, can further refine dynamic
The state acquisition that power assembly operating mode divides, and then accurately obtain the weight between two kinds of adjacent power assembly operating modes
Folded region and division boundary line.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is flow chart of the present invention；
Fig. 2 is division schematic diagram of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in Figure 1, the present invention provides the test method that a kind of hybrid power automobile power assembly operating mode divides,
Include the following steps:
1, hybrid vehicle driving wheel to be measured is placed on the roller of drum dynamometer, non-driving wheel fix or with
The roller of drum dynamometer dallies.
2, setting rotary drum is constant speed mode.
3, setting automobile is drive shift, closes the power devices such as vehicle-mounted attachment and air-conditioning.
4, acquire car running process in include but are not limited to engine, generator, driving motor system revolving speed and
Torque signal；Acquire the electric current and voltage signal of power battery in vehicle operation；Acquire driving half in vehicle operation
Shaft torque signal.
5, setting rotary drum speed adjusts automobilism speed.It is 0km/h that rotary drum initial speed, which is respectively set, and the max speed is
VmaxSection in n speed point tested.
6, setting accelerator pedal limiter adjusts car ACCEL aperture.Initial acceleration pedal opening, which is respectively set, is
0%, m pedal opening point in the section of maximum opening 100% is tested.
7, when test starts, the rapid a certain target of step 5 is reached with electrical automobile by the constant speed mode of rotary drum first
Speed；Secondly the rapid a certain target accelerator pedal aperture of step 6 is stepped on respectively under the target vehicle speed.Total acquisition n*m
The rapid signal of step 4 under the conditions of a dot matrix.
8, by the analysis of the step 4 signal suddenly, the automobile power assembly operating mode of each dot matrix state is determined.
9, draw X-axis be speed, the figure that Y-axis is torque or driving force.Wherein the point of coordinate diagram indicates power assembly work
Operation mode.
10, according to step 5 is rapid and the rapid method of step 6, the increment of sampled point is constantly adjusted, it is more accurate to obtain
Power assembly mode division figure.
A, the 1st article of the above method is tested if turning drum two, and non-driving wheel is fixed；If being carried out in 4 wheel driven rotary drum
Test, non-driving wheel idle running.
B, the 3rd article of the above method, the switch of the power devices such as vehicle-mounted attachment and air-conditioning only increase hybrid power system
The load of system does not influence the operation of this test method.For the ease of analysis, it is set off here.
C, the 4th article of the above method, the core of this method is according to the engine under various experimental conditions, motor, power generation
Machine, power battery, the torque of vehicle semiaxis, revolving speed, power signal output relation analyze power assembly operating mode, therefore specific
The vehicle and critical component parameter of monitoring will be determined according to the configuration of vehicle to be measured.This method is suitable for all hybrid power systems
Configuration.
D, the 5th article of the above method, the setting of speed increment can be adjusted according to the demand of measuring accuracy, and then be changed
The selection density of speed point.In particular, after primarily determining power assembly operating mode boundary, can Local uniqueness speed increment,
To obtain more fine boundary line and power assembly operating mode overlapping region in reference axis X-direction.
E, the 6th article of the above method, the essential purpose of accelerator pedal aperture setting are to change bearing in vehicle operation
Lotus.It can be adjusted according to the demand of measuring accuracy, and then change the selection density of pedal opening and driving force.Especially
Be, after primarily determining power assembly operating mode boundary, can Local uniqueness accelerator pedal aperture increment, in the reference axis side Y
The boundary line and power assembly operating mode overlapping region more fine to acquisition.
As shown in Fig. 2, being tested by the above method, the power assembly operating mode obtained under each dot matrix state is drawn
Subregion figure.
The present invention provides the test methods that a kind of hybrid power automobile power assembly operating mode divides, including walk as follows
It is rapid:
Hybrid vehicle to be measured is placed on the roller of drum dynamometer by S1, setting drum dynamometer roller
Operating mode；
The revolving speed of roller is arranged to make vehicle obtain stable operating speed in S2.It acquires mixed in vehicle operation
Close dynamical system status data；
S3 adjusts vehicle accelerator pedal aperture by pedal limiter, obtains vehicle in a certain operating speed, different load
Under the conditions of hybrid power system status data.The power assembly operating mode of hybrid power system is analyzed according to data, and is remembered
The power assembly operating mode under the conditions of a large amount of " speed-load " is recorded, the dot matrix state diagram of power assembly operating mode is generated, obtains
Take each power assembly operating mode demarcation interval.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S1 includes:
Hybrid vehicle driving wheel to be measured is placed on the roller of drum dynamometer by S1-1, non-driving wheel fix or
Person dallies with the roller of drum dynamometer；
S1-2, setting rotary drum are constant speed mode；
S1-3, setting automobile are drive shift, close the power device of vehicle-mounted attachment.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S2 includes:
S2-1 acquires the revolving speed and torque signal of engine, generator, driving motor in vehicle operation, collecting vehicle
The electric current and voltage signal of power battery in operational process；Acquire jack shaft torque signal in vehicle operation；
Rotary drum rotational speed regulation vehicle operating speed is arranged in S2-2.Rotary drum revolving speed, which is respectively set, makes vehicle in minimum speed
For 0, the max speed VmaxSection in obtain n speed point tested.
The test method that the hybrid power automobile power assembly operating mode divides, it is preferred that the S3 includes:
S3-1, setting pedal limiter adjust vehicle accelerator pedal aperture.Accelerator pedal aperture is respectively set, so that vehicle
Minimum aperture 0%, maximum opening 100% section in obtain m pedal opening point tested.
In test process, the constant speed mode of rotary drum roller is arranged in S3-2 first, so that rotary drum roller is operated in a certain stabilization and turns
Speed drives vehicle to reach the corresponding stabilizing speed V of the stabilized (steady-state) speed by rotary drum rolleri, Vi=Vmax/n.Secondly, a certain steady
Determine vehicle velocity ViUnder the conditions of, a certain stable accelerator pedal aperture P is obtained by pedal limiterj, Pj=100%/m.
S3-3 acquires vehicle in each test point (Vi, Pj) under the conditions of engine, driving motor, generator revolving speed
(N) and torque (T) signal engine mechanical output P, is calculated according to P=T*N/9550e, driving motor mechanical output Pm, generator
Mechanical output Pg；Vehicle is acquired in each test point (Vi, Pj) under the conditions of power battery electric current (I) and voltage (V) signal,
The electrical power P of power battery is calculated according to P=VIb.According to Pe、Pm、Pg、PbRelationship, by column (1), (2), (3), (4),
(5), (6), (7) judge the power assembly operating mode of hybrid vehicle:
Pe=0, Pm>0,Pg=0, Pb> 0 electric-only mode (1)
Pe>0,Pm>0,Pg<0,Pb=0 series model, battery do not charge do not discharge (2)
Pe>0,Pm>0,Pg<0,Pb< 0 series model, battery charge (3)
Pe>0,Pm>0,Pg<0,Pb> 0 series model, battery discharge (4)
Pe>0,Pm=0, Pg=0, Pb=0 paralleling model, battery do not charge do not discharge (5)
Pe>0,Pm>0,Pg=0, Pb> 0 paralleling model, battery discharge (6)
Pe>0,Pm<0,Pg=0, Pb< 0 paralleling model, battery charge (7)
S3-4 records each test point (V according to above-mentioned S3-3i, Pj) corresponding vehicle engine assembly operating mode, it draws
System is using vehicle velocity V as X-axis, jack shaft torque TtFor the coordinate point diagram of Y-axis, and by the point of different dynamic assembly operating mode with not
Same color distinguishes, and obtains vehicle engine assembly working mode figure, vehicle engine assembly Working mould can be obtained by this figure
The line of demarcation for dividing region and two neighboring operating mode of formula.
S3-5, after primarily determining that power assembly operating mode divides region and boundary according to above-mentioned S3-4, two neighboring
Operating mode overlapping region, can Local uniqueness speed increment Delta V and pedal opening increment Delta P, according to above-mentioned testing procedure distinguish
Region is divided to power assembly operating mode in two change in coordinate axis direction of X and Y and boundary optimizes, it is more fine to obtain
Boundary line and overlapping region.
S3-6, according to above-mentioned S3-4, X, the Y axis coordinate point diagram drawn, X-coordinate can be speed, revolving speed；Its Y is sat
Mark can be driving force, torque, power, vehicle acceleration.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (3)
1. the test method that a kind of hybrid power automobile power assembly operating mode divides, which comprises the steps of:
Hybrid vehicle to be measured is placed on the roller of drum dynamometer by S1, and the work of drum dynamometer roller is arranged
Mode；
The revolving speed of roller is arranged to make vehicle obtain stable operating speed in S2；The mixing acquired in vehicle operation is dynamic
Force system status data；
S3 adjusts vehicle accelerator pedal aperture by pedal limiter, obtains vehicle in a certain operating speed, different load condition
Under hybrid power system status data；The power assembly operating mode of hybrid power system is analyzed according to data, and is recorded big
Power assembly operating mode under the conditions of " speed-load " of amount generates the dot matrix state diagram of power assembly operating mode, obtains each
A power assembly operating mode demarcation interval；
The S3 includes:
S3-1, setting pedal limiter adjust vehicle accelerator pedal aperture；Accelerator pedal aperture is respectively set, so that vehicle is most
Small guide vane 0%, maximum opening 100% section in obtain m pedal opening point tested；
S3-2 in test process, the constant speed mode of rotary drum roller is arranged first, rotary drum roller is made to operate in a certain stabilized (steady-state) speed,
Vehicle is driven to reach the corresponding stabilizing speed V of the stabilized (steady-state) speed by rotary drum rolleri, Vi=VmaxThe max speed is V by/nmax's
N speed point in section is tested；Secondly, in a certain stabilizing speed ViUnder the conditions of, it is obtained by pedal limiter a certain
Stable accelerator pedal aperture Pj, Pj=100%/m；
S3-3 acquires vehicle in each test point (Vi, Pj) under the conditions of engine, driving motor, the revolving speed N of generator and torsion
Square T signal calculates engine mechanical output P according to P=T*N/9550e, driving motor mechanical output Pm, generator mechanical power
Pg；Vehicle is acquired in each test point (Vi, Pj) under the conditions of power battery electric current I and voltage V signal, calculated according to P=VI
The electrical power P of power batteryb；According to Pe、Pm、Pg、PbRelationship, sentenced by column (1), (2), (3), (4), (5), (6), (7)
The power assembly operating mode of disconnected hybrid vehicle:
Pe=0, Pm>0,Pg=0, Pb> 0 electric-only mode (1)；
Pe>0,Pm>0,Pg<0,Pb=0 series model, battery do not charge do not discharge (2)；
Pe>0,Pm>0,Pg<0,Pb< 0 series model, battery charge (3)；
Pe>0,Pm>0,Pg<0,Pb> 0 series model, battery discharge (4)；
Pe>0,Pm=0, Pg=0, Pb=0 paralleling model, battery do not charge do not discharge (5)；
Pe>0,Pm>0,Pg=0, Pb> 0 paralleling model, battery discharge (6)；
Pe>0,Pm<0,Pg=0, Pb< 0 paralleling model, battery charge (7)；
S3-4 records each test point (V according to above-mentioned S3-3i, Pj) corresponding vehicle engine assembly operating mode, draw with
Vehicle velocity V is X-axis, jack shaft torque TtFor the coordinate point diagram of Y-axis, and by the point of different dynamic assembly operating mode with different
Color distinguishes, and obtains vehicle engine assembly working mode figure, vehicle engine assembly operating mode can be obtained by this figure
Divide the line of demarcation of region and two neighboring operating mode；
S3-5, after primarily determining that power assembly operating mode divides region and boundary according to above-mentioned S3-4, in two neighboring work
Mode overlapping region, can Local uniqueness speed increment Delta V and pedal opening increment Delta P, according to above-mentioned testing procedure respectively in X and
Two change in coordinate axis direction of Y divide region to power assembly operating mode and boundary optimizes, to obtain more fine boundary
Line and overlapping region.
2. the test method that hybrid power automobile power assembly operating mode according to claim 1 divides, feature exist
In the S1 includes:
Hybrid vehicle driving wheel to be measured is placed on the roller of drum dynamometer by S1-1, non-driving wheel fix or with
The roller of drum dynamometer dallies；
S1-2, setting rotary drum are constant speed mode；
S1-3, setting automobile are drive shift, close the power device of vehicle-mounted attachment.
3. the test method that hybrid power automobile power assembly operating mode according to claim 1 divides, feature exist
In the S2 includes:
S2-1 acquires the revolving speed and torque signal of engine, generator, driving motor in vehicle operation, acquisition vehicle fortune
The electric current and voltage signal of power battery during row；Acquire jack shaft torque signal in vehicle operation；
Rotary drum rotational speed regulation vehicle operating speed is arranged in S2-2；Be respectively set rotary drum revolving speed make vehicle minimum speed be 0,
The max speed is VmaxSection in obtain n speed point tested.
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| CN115453151A (en) * | 2022-09-29 | 2022-12-09 | 东风汽车集团股份有限公司 | Method and system for checking speedometer and testing cruise function |
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