CN109606116A - A kind of ejection acceleration control method and Related product for electric car - Google Patents
A kind of ejection acceleration control method and Related product for electric car Download PDFInfo
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- CN109606116A CN109606116A CN201910004938.3A CN201910004938A CN109606116A CN 109606116 A CN109606116 A CN 109606116A CN 201910004938 A CN201910004938 A CN 201910004938A CN 109606116 A CN109606116 A CN 109606116A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides the present invention and provides a kind of ejection acceleration control method for electric car, comprising: receives ejection and accelerates activation instruction；Determine the peak torque limits value of motor, according to the first time maximum discharge power of battery to carry out power limit to the motor；According to throttle signal, the torque of the motor is controlled, according to first time peak torque/corresponding pedalmap of power of the motor to drive the electric car to carry out ejection acceleration.The ejection of electric car provided by the invention accelerates control method, the power driven system that electric car can be controlled carries out power output, and motor can be controlled according to throttle signal and carry out ejection acceleration according to peak torque/power, so that driver be facilitated to realize that the ejection of electric car accelerates.A kind of ejection for electric car provided by the invention accelerates control method and Related product, and beneficial effect having the same, this is no longer going to repeat them.
Description
Technical field
The present invention relates to electric vehicle engineering field, in particular to a kind of ejection for electric car accelerates control method
And Related product.
Background technique
In recent years, electric car is due to the fast development of battery, motor and electronic control technology, and course continuation mileage and accelerating ability are all
Have compared with much progress.Wherein, numerous volume production electric car course continuation mileages can reach 400 kilometers or more.Therefore, in electric car
Under background to substantially meet mileage travelled demand, the product orientation of each vehicle enterprise is increasingly turned to performance vehicle from walking-replacing tool,
Such as Roewe Marverl X, Jaguar I-PACE and tesla Model S etc..
It is that a kind of critically important technology of vehicle drive enjoyment and movenent performance can be improved that ejection, which accelerates control,.However,
This technology is mainly used on internal-combustion engines vehicle at present, on electric car using less.Due in electric car continuation of the journey
The increase of journey, drive system power grade improve, and existing electric car has been provided with the condition that configuration ejection accelerates control function.
Therefore, this patent proposes that a kind of ejection for electric car accelerates control program, launches electric car
Accelerate, improves the driving pleasure of driver and the movenent performance of vehicle, be those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of ejections for electric car to accelerate control method and correlation
Product carries out ejection acceleration to electric car, improves the driving pleasure of driver and the movenent performance of vehicle.Its concrete scheme is such as
Under:
In a first aspect, the present invention provides a kind of ejection acceleration control method for electric car, comprising:
It receives ejection and accelerates activation instruction；
Determine the peak torque limits value of motor, according to the first time maximum discharge power of battery so as to the motor
Carry out power limit；
According to throttle signal, institute is controlled according to the corresponding pedalmap of first time peak torque/power of the motor
The torque of motor is stated, to drive the electric car to carry out ejection acceleration.
Preferably,
Before acceleration activation instruction is launched in the reception, further includes:
Start the first preparatory action；
First preparatory action, comprising:
If the electric car is configured with Active suspension, the Active suspension is controlled by vehicle body and is reduced to lowest order
It sets；And/or
If the electric car is bi-motor four-wheel drive cars or four motorized wheels vehicle, the torque method of salary distribution is controlled
For full-time four-wheel drive mode.
Preferably,
After acceleration activation instruction is launched in the reception, battery maximum is sent according to first time discharge power described
Discharge power control instruction, before being limited with the discharge power to the battery, further includes:
When a vehicle is at rest, then it issues prompt driver while starting the operation indicating of throttle, braking.
Preferably,
After acceleration activation instruction is launched in the reception, further includes:
Start the second preparatory action；
Second preparatory action, comprising:
TCS, VDC function for controlling the ESP system of the electric car are closed.
Preferably,
After sending direct torque instruction to motor according to the corresponding Pedalmap of first time peak torque, also wrap
It includes:
Judge whether the motor is pre- more than first according to first time motor peak torque/Power operation duration
If duration；
If it is, controlling the maximum allowable discharge power Natural Attenuation of the battery to the second time discharge power, control
Motor peak torque/power Natural Attenuation of the motor is made to the second time peak torque/power；Wherein, the second time is big
In at the first time.
Second aspect, the present invention provide a kind of ejection acceleration-controlled system for electric car, comprising:
Accelerate activation receiving module, accelerates activation instruction for receiving ejection；
Torque limit module determines the peak torque limitation of motor for the first time maximum discharge power according to battery
Value, to carry out power limit to the motor；
Throttle Opening Control module, for being corresponded to according to first time peak torque/power of the motor according to throttle signal
Pedalmap control the torque of the motor, to drive the electric car to carry out ejection acceleration.
Preferably, further includes:
Operation indicating module, for when a vehicle is at rest, then issuing prompt driver while starting throttle, system
Dynamic operation indicating.
Preferably, further includes:
Duration judgment module, for judging that the motor continues according to first time motor peak torque/Power operation
Whether the time is more than the first preset duration；
Power attenuation module, for if it is determined that the motor according to first time motor peak torque/Power operation
Duration is more than the first preset duration, then maximum allowable discharge power Natural Attenuation to the second time for controlling the battery puts
Electrical power, the control motor motor peak torque/power Natural Attenuation to the second time peak torque/power；Wherein,
Two times were greater than at the first time.
The third aspect, the present invention provide a kind of electric car, any described for electronic equipped with above-mentioned second aspect
The ejection acceleration-controlled system of automobile.
Fourth aspect, the present invention provide a kind of readable computer storage medium, deposit on the computer readable storage medium
Computer program is contained, the computer program realizes that above-mentioned first aspect is any described for electronic when being executed by processor
The ejection of automobile accelerates the step of control method.
The present invention provides the present invention and provides a kind of ejection acceleration control method for electric car, comprising: receives ejection
Accelerate activation instruction；Determine the peak torque limits value of motor, according to the first time maximum discharge power of battery so as to institute
It states motor and carries out power limit；It is corresponding according to first time peak torque/power of the motor according to throttle signal
Pedalmap controls the torque of the motor, to drive the electric car to carry out ejection acceleration.It is provided by the invention electronic
The ejection of automobile accelerates control method, and the power driven system that can control electric car carries out power output, and can be according to oil
Gate signal controls motor and carries out ejection acceleration according to peak torque/power, to facilitate the ejection of driver's realization electric car
Accelerate.
A kind of ejection for electric car provided by the invention accelerates control method and Related product, having the same to have
Beneficial effect, this is no longer going to repeat them.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of ejection acceleration control method for electric car provided by a kind of specific embodiment of the present invention
Flow chart；
Fig. 2 is motor control flow chart provided by a kind of specific embodiment of the present invention；
Fig. 3 is a kind of ejection acceleration-controlled system for electric car provided by a kind of specific embodiment of the present invention
Composed structure schematic diagram；
Fig. 4 is a kind of ejection acceleration-controlled system for electric car provided by a kind of specific embodiment of the present invention
Expansion composed structure schematic diagram；
Fig. 5 is a kind of ejection acceleration-controlled system for electric car provided by a kind of specific embodiment of the present invention
Another expansion composed structure schematic diagram；
Fig. 6 is a kind of composed structure schematic diagram of electric car provided by still another embodiment of the present invention；
Fig. 7 is the structural schematic diagram of computer equipment provided by another specific embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 adds for a kind of ejection for electric car provided by a kind of specific embodiment of the present invention
The flow chart of speed control method.
In a kind of specific embodiment of the invention, the embodiment of the present invention provides a kind of ejection for electric car and adds
Speed control method, comprising:
Step S11: it receives ejection and accelerates activation instruction；
Step S12: the peak torque limits value of motor is determined, according to the first time maximum discharge power of battery so as to right
The motor carries out power limit；
Step S13: corresponding according to first time peak torque/power of the motor according to throttle signal
Pedalmap controls the torque of the motor, to drive the electric car to carry out ejection acceleration.
In embodiments of the present invention, it is necessary first to receive ejection and accelerate activation instruction, in practice, user can use
Mechanical key or touch-screen button carry out the reception that ejection accelerates activation instruction.After receiving ejection acceleration activation instruction, press
Determine the peak torque limits value of motor, according to the first time maximum discharge power of battery to carry out power limit to the motor
The power driven system of electric car processed starts motor according to maximum power, for example, can be controlled according to 10s discharge power with BMS
Cell output, and then drive motor rotation.That is, being determined by the first time maximum discharge power for calculating battery
The maximum power limit that motor can issue out, so that the power for indirectly issuing battery is no more than its first time most
Big discharge power generally can be determined as 10s at the first time, because for electric car, in normally travel starting,
Using 30s peak power driving motor, and now using 10s peak power come driving motor, the hair of electric car can be made
It is dynamic more rapid.
It, can be corresponding according to first time peak torque/power of motor in the practical starting of electric car
Pedalmap controls the torque of motor, and the input value of pedalmap is the real-time speed of throttle and electric car, and defeated
Out it is torque, may thereby determine that the real-time torque of motor, realize the driving to motor, and then realizes that the ejection of electric car adds
Speed.
For the motor of electric car, the peak power that the electric discharge of short time can reach is higher, and grows
The discharge power of time is lower, so, if first time peak power is greater than the at the first time less than the second time
Two time peak powers.At this moment judge the current first time peak power of the motor of the electric car and the second time peak work
Whether the ratio between rate is more than preset threshold, such as will can be set as at the first time 10s, and the second time was set as 30s；Certainly in reality
In trampling, it is also possible to other time settings.For example, when judging the current 10s peak power of the motor of the electric car and 30s
When the ratio between peak power is more than 2 times, then can star automobile ejection accelerates transmitting.Know for the convenience of the users, Ke Yitong
Voice mode or display screen mode are crossed to provide and send ejection acceleration preparatory action completion signal, is used with side and realizes that automobile launches
Accelerate.That is, only when 10s discharge power/discharge power > 2 30s of battery, and work as motor 10s peak power/peak 30s
It is worth power > 2, the orange text of instrument just shows " ejection accelerates Ready ", i.e., battery, motor can support electric car to carry out bullet
Penetrate accelerated motion.
Further, in order to realize that it is more smooth that the ejection of electric car accelerates, acceleration is improved, is launched in the reception
After accelerating activation instruction, in the current first time peak power of motor and the second time peak work for judging the electric car
Before whether the ratio between rate is more than preset threshold, further includes: the first preparatory action of starting；
First preparatory action, comprising: if the electric car has Active suspension, control the Active suspension
Vehicle body is reduced to extreme lower position；And/or
If the electric car is bi-motor four-wheel drive cars or four motorized wheels vehicle, the torque method of salary distribution is controlled
For full-time four-wheel drive mode.
That is, needing to start the first preparatory action first before realizing step S11, if the first preparatory action
Do not start, then cannot starting step S11, accelerate so that entire ejection cannot be started.For this angle, two are needed
Final ejection could be started by, which restarting, accelerates, and so as to the false triggering for preventing ejection from accelerating, increases the safety of electric car
Property.
That is battery management system sends maximum electric discharge function according to (can be set as 10s) discharge power at the first time
Rate message, to decontrol to drive system, the discharge power of battery is limited, that is, improves entire drive system (electronic vapour
The drive system of vehicle, that is, power driven system) overcurrent threshold value；It controls battery and drives electricity according to first time peak power
Machine, control motor starts according to the corresponding first time peak torque of first time peak power, and electric machine controller is in order to anti-
Only power is excessively high, then can according to the torque of first time peak torque limiting motor or the first time peak power of battery,
To prevent battery discharge too fast, battery, route, motor etc. are damaged.
Further, accelerate to preferably start ejection, prevent automobile whipping, can launch and accelerate in the reception
After activation instruction, the current first time peak power of motor that judges the electric car and the second time peak power it
Than whether more than before preset threshold, further includes: the second preparatory action of starting；Second preparatory action, comprising: described in control
TCS, VDC function of the ESP system of electric car are closed.That is, needing before final starting ejection accelerates by ESP
TCS, VDC function of system are closed: being prevented TCS from having the request for reducing torque to vehicle, prevented VDC from influencing driver's whipping.
Referring to FIG. 2, Fig. 2 is motor control flow chart provided by a kind of specific embodiment of the present invention.
Specifically, it is worth noting that, preparatory action is accelerated to complete signal completing to launch, if driver's long-time is not
Therefore operation, can accelerate to prepare to move it would be possible that the automobile possibility that high power operates in situ can occur launching in transmission
After making completion signal, may include:
Step S21: judge whether the motor surpasses according to first time motor peak torque/Power operation duration
Cross the first preset duration；
Step S22: if it is, maximum allowable discharge power Natural Attenuation to the second time for controlling the battery discharges
Power, the control motor motor peak torque/power Natural Attenuation to the second time peak torque/power；Wherein, second
Time is greater than at the first time.
That is, if in the first preset duration, if illustrating that driver can without the operation that ejection accelerates
Can divert one's attention his thing, not carry out the preparation for carrying out ejection acceleration, and automobile long-time high power operating in order to prevent causes electronic vapour
The damage of vehicle, then can be after motor high power operation be more than certain market, and the output power for controlling Motor torque or battery declines
Subtract, such as can be few to 30s peak value by 10s peak atenuation, it is of course also possible to be other peak values.
It further, is that optimization vehicle launches starting performance, it is proposed that driver's throttle brake is stepped on simultaneously, and motor is still at this time
Torque is so issued, torque value maximum can reach 50% or so of motor peak torque.That is, being launched in the reception
After acceleration activation instruction, further includes: when a vehicle is at rest, then issue prompt driver while starting throttle, system
Dynamic operation indicating.
The present invention provides a kind of ejection acceleration control method for electric car, can control the electronic system of electric car
System carries out power output, and determines whether to be able to carry out ejection and accelerate, so that operator be facilitated to realize that the ejection of automobile accelerates.
Fig. 3, Fig. 4, Fig. 5 are please referred to, Fig. 3 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car
Ejection acceleration-controlled system composed structure schematic diagram；Fig. 4 is a kind of use provided by a kind of specific embodiment of the present invention
In the expansion composed structure schematic diagram of the ejection acceleration-controlled system of electric car；Fig. 5 is a kind of specific embodiment of the present invention
A kind of another expansion composed structure schematic diagram of provided ejection acceleration-controlled system for electric car.
In a kind of specific embodiment of the present invention, the embodiment of the present invention provides a kind of ejection acceleration for electric car
Control system 300, comprising:
Accelerate activation receiving module 310, accelerates activation instruction for receiving ejection；
Torque limit module 320 determines the peak torque of motor for the first time maximum discharge power according to battery
Limits value, to carry out power limit to the motor；
Throttle Opening Control module 330 is used for according to throttle signal, according to first time peak torque/power of the motor
Corresponding pedalmap controls the torque of the motor, to drive the electric car to carry out ejection acceleration.
Preferably, further includes:
Operation indicating module 340, for when a vehicle is at rest, then issuing prompt driver while starting oil
Door, the operation indicating braked.
Preferably, further includes:
Duration judgment module 350, for judging that the motor is held according to first time motor peak torque/Power operation
Whether the continuous time is more than the first preset duration；
Power attenuation module 360 is used for if it is determined that the motor is according to first time motor peak torque/Power operation
Duration be more than the first preset duration, then control the maximum allowable discharge power Natural Attenuation of the battery to the second time
Discharge power, the control motor motor peak torque/power Natural Attenuation to the second time peak torque/power；Wherein,
Second time was greater than at the first time.
Referring to FIG. 6, Fig. 6 shows for a kind of composed structure of electric car provided by still another embodiment of the present invention
It is intended to.
In still another embodiment of the present invention, the embodiment of the present invention provides a kind of electric car 600, is equipped with above-mentioned
The ejection acceleration-controlled system 300 of electric car is used for described in one specific embodiment.
Referring to FIG. 7, Fig. 7 is the structural representation of computer equipment provided by another specific embodiment of the invention
Figure.
In another specific embodiment of the invention, the embodiment of the present invention provides a kind of computer equipment, comprising:
Memory, for storing computer program；
Processor realizes a kind of use described in any of the above-described kind of specific embodiment when for executing the computer program
In the step of ejection of electric car accelerates control method.
Below with reference to Fig. 7, it illustrates the structural schematic diagrams for the computer equipment for being suitable for being used to realize the embodiment of the present application.
Computer equipment shown in Fig. 7 is only an example, should not function to the embodiment of the present application and use scope bring it is any
Limitation.
As shown in fig. 7, computer system 700 includes processor (CPU) 701, it can be according to being stored in read-only memory
(ROM) it the program in 702 or is executed respectively from the program that storage section 708 is loaded into random access storage device (RAM) 703
Kind movement appropriate and processing.In RAM 703, also it is stored with system 700 and operates required various programs and data.
CPU 701, ROM 702 and RAM 703 are connected with each other by bus 704.Input/output (I/O) interface 703
It is connected to bus 704.
I/O interface 705 is connected to lower component: the importation 706 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 707 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 708 including hard disk etc.；
And the communications portion 709 of the network interface card including LAN card, modem etc..Communications portion 709 via such as because
The network of spy's net executes communication process.Driver 710 is also connected to I/O interface 707 as needed.Detachable media 711, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 710, in order to read from thereon
Computer program be mounted into storage section 708 as needed.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communications portion 709, and/or from detachable media
711 are mounted.When the computer program is executed by processor (CPU) 701, the above-mentioned function limited in the present processes is executed
Energy.It should be noted that computer-readable medium described herein can be computer-readable signal media or computer
Readable medium either the two any combination.Computer-readable medium for example may be-but not limited to-electricity,
Magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination.Computer-readable medium
More specific example can include but is not limited to: there is the electrical connection of one or more conducting wires, portable computer diskette, hard
Disk, random access storage device (RAM), read-only memory (ROM), erasable programmable read only memory (EPROM or flash memory), light
Fibre, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate
Combination.In this application, it includes or the tangible medium of storage program that the program can be with that computer-readable medium, which can be any,
It is commanded execution system, device or device use or in connection.And in this application, computer-readable signal
Medium may include in a base band or as the data-signal that carrier wave a part is propagated, wherein carrying computer-readable journey
Sequence code.The data-signal of this propagation can take various forms, including but not limited to electromagnetic signal, optical signal or above-mentioned
Any appropriate combination.Computer-readable signal media can also be any computer-readable other than computer-readable medium
Medium, the computer-readable medium can be sent, propagated or transmitted for being used by instruction execution system, device or device
Or program in connection.The program code for including on computer-readable medium can pass with any suitable medium
It is defeated, including but not limited to: wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The calculating of the operation for executing the application can be write with one or more programming languages or combinations thereof
Machine program code, described program design language include object-oriented programming language-such as Java, Smalltalk, C+
+, further include conventional procedural programming language-such as " C " language or similar programming language.Program code can
Fully to execute, partly execute on the user computer on the user computer, be executed as an independent software package,
Part executes on the remote computer or executes on a remote computer or server completely on the user computer for part.
In situations involving remote computers, remote computer can pass through the network of any kind --- including local
Net (LAN) or wide area network (WAN)-are connected to subscriber computer, or, it may be connected to outer computer (such as using because of spy
Service provider is netted to connect by internet).
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.
As still another embodiment of the invention, the embodiment of the present invention provides a kind of computer readable storage medium institute
It states and is stored with computer program on computer readable storage medium, the computer program realizes above-mentioned when being executed by processor
The step of ejection of one of the specific embodiment of anticipating for electric car accelerates control method.
The computer-readable medium can be included in computer or terminal device described in above-described embodiment；?
It can be individualism, and without in the supplying computer equipment.Above-mentioned computer-readable medium carries one or more
Program, when said one or multiple programs are executed by the computer equipment, so that the computer equipment: step S11: receiving
Ejection accelerates activation instruction；Step S12: the power driven system for controlling the electric car starts motor according to maximum power；Step
S13: judge the ratio between the current first time peak power of the motor of the electric car and the second time peak power whether be more than
Preset threshold；Wherein, the first time is less than second time；Step S14: accelerate to prepare if it is, sending ejection
Signal is completed in movement, to realize that automobile ejection accelerates.
And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), with
Machine accesses various Jie that can store program code such as memory (Random Access Memory, RAM), magnetic or disk
Matter.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Above to a kind of ejection acceleration control method and Related product progress for electric car provided by the present invention
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of ejection for electric car accelerates control method characterized by comprising
It receives ejection and accelerates activation instruction；
Determine the peak torque limits value of motor, according to the first time maximum discharge power of battery to carry out to the motor
Power limit；
According to throttle signal, the electricity is controlled according to the corresponding pedalmap of first time peak torque/power of the motor
The torque of machine, to drive the electric car to carry out ejection acceleration.
2. the ejection according to claim 1 for electric car accelerates control method, which is characterized in that
Before acceleration activation instruction is launched in the reception, further includes:
Start the first preparatory action；
First preparatory action, comprising:
If the electric car is configured with Active suspension, the Active suspension is controlled by vehicle body and is reduced to extreme lower position；With/
Or
If the electric car is bi-motor four-wheel drive cars or four motorized wheels vehicle, it is complete for controlling the torque method of salary distribution
When 4 wheel driven mode.
3. the ejection according to claim 1 for electric car accelerates control method, which is characterized in that
After acceleration activation instruction is launched in the reception, the electric discharge of battery maximum is sent according to first time discharge power described
Power control instruction, before being limited with the discharge power to the battery, further includes:
When a vehicle is at rest, then it issues prompt driver while starting the operation indicating of throttle, braking.
4. the ejection according to claim 1 for electric car accelerates control method, which is characterized in that
After acceleration activation instruction is launched in the reception, further includes:
Start the second preparatory action；
Second preparatory action, comprising:
TCS, VDC function for controlling the ESP system of the electric car are closed.
5. the ejection according to any one of claims 1 to 4 for electric car accelerates control method, which is characterized in that
After direct torque instruction is sent to motor according to the corresponding Pedalmap of first time peak torque, further includes:
Judge the motor according to first time motor peak torque/Power operation duration it is whether default more than first when
It is long；
If it is, controlling the maximum allowable discharge power Natural Attenuation of the battery to the second time discharge power, control institute
Motor peak torque/power Natural Attenuation of motor is stated to the second time peak torque/power；Wherein, the second time was greater than the
One time.
6. a kind of ejection acceleration-controlled system for electric car characterized by comprising
Accelerate activation receiving module, accelerates activation instruction for receiving ejection；
Torque limit module determines the peak torque limits value of motor for the first time maximum discharge power according to battery,
To carry out power limit to the motor；
Throttle Opening Control module is used for according to throttle signal, corresponding according to first time peak torque/power of the motor
Pedalmap controls the torque of the motor, to drive the electric car to carry out ejection acceleration.
7. the ejection acceleration-controlled system according to claim 6 for electric car, which is characterized in that further include:
Operation indicating module is used to when a vehicle is at rest, then issue prompt driver while start throttle, brake
Operation indicating.
8. the described in any item ejection acceleration-controlled systems for electric car of according to claim 6 or 7, which is characterized in that
Further include:
Duration judgment module, for judging the motor according to first time motor peak torque/Power operation duration
Whether more than the first preset duration；
Power attenuation module, for if it is determined that the motor continues according to first time motor peak torque/Power operation
Time is more than the first preset duration, then controls the maximum allowable discharge power Natural Attenuation of the battery to the second time and discharge function
Rate, the control motor motor peak torque/power Natural Attenuation to the second time peak torque/power；Wherein, second when
Between be greater than at the first time.
9. a kind of electric car, which is characterized in that equipped with the described in any item bullets for electric car of such as claim 6 to 8
Penetrate acceleration-controlled system.
10. a kind of readable computer storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the bullet that electric car is used for as described in any one of claim 1 to 5 when the computer program is executed by processor
Penetrate the step of accelerating control method.
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| CN201910004938.3A CN109606116B (en) | 2019-01-03 | 2019-01-03 | Ejection acceleration control method for electric automobile and related product |
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| CN201910004938.3A CN109606116B (en) | 2019-01-03 | 2019-01-03 | Ejection acceleration control method for electric automobile and related product |
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| CN116749788A (en) * | 2023-06-27 | 2023-09-15 | 广州汽车集团股份有限公司 | Ejection control method and device, electronic equipment and storage medium |
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| CN109606116B (en) | 2022-04-26 |
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