CN109414993A - Motor vehicle and its torque control method - Google Patents
Motor vehicle and its torque control method Download PDFInfo
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- CN109414993A CN109414993A CN201780035372.XA CN201780035372A CN109414993A CN 109414993 A CN109414993 A CN 109414993A CN 201780035372 A CN201780035372 A CN 201780035372A CN 109414993 A CN109414993 A CN 109414993A
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000005611 electricity Effects 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000010485 coping Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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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
- 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
- B60L2240/10—Vehicle control parameters
-
- 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
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of motor vehicle and its torque control method, the torque control method of motor vehicle includes: S101: obtaining the velocity information, throttle information and braking state information of the motor vehicle；S102: the corresponding work information of motor vehicle is judged according to the velocity information, throttle information and braking state information；S103: corresponding torque is exported according to the work information.This method has collected the different operating conditions under all different motion states of motor vehicle, and for each different corresponding torque outputs of operating condition design, to provide comprehensively and effectively coping style for motor vehicle, and then promotes user experience.
Description
Technical field
The present invention relates to automotive fields, more particularly to a kind of motor vehicle and its torque control method.
Background technique
The characteristic that pure electric automobile does not depend on fossil fuel, driving process is zero release of pollutant makes pure electric automobile close
There is within 20 years a significant progress, however since conventional fuel oil car once occupied most automobile market, therefore new energy vehicle
It is also mostly repacking at the beginning of design, in function, usability, interior layout based in recent years still will be by traditional vehicle.
Consider that motor-driven vehicle going when on acclive road, can generate many situations in driving, start-stop.Consider first
The case where hill start, hill start car slipping are an abnormally dangerous situations, may personnel to rear of vehicle, vehicle damage,
Therefore the generation slipped by slope in order to prevent, on the automobile of not function in slope, driver can only first pull-up parking brake, unclamp again brake,
Then it steps on the gas rapidly, puts down parking brake rapidly again when reaching certain forward direction speed.However have very much in this complicated operation can
Various unexpected situations can occur.In addition it in long descending section, often touches on the brake and be easy to cause brake failure.That is, in the prior art
Motor vehicle (including electric vehicle and hybrid vehicle) the shortcomings that: without comprehensively consider motor vehicle under different motion state
Different operating conditions, therefore effective coping style can not be provided for all situations being likely to occur.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of motor vehicle and its torque control methods, exist for motor vehicle
Different operating conditions under different motion state, provide comprehensively and effectively coping style.
In order to solve the above technical problems, first technical solution that the present invention uses is: providing a kind of torque of motor vehicle
Control method, comprising: obtain the velocity information, throttle information and braking state information of the motor vehicle；According to the speed
Degree information, throttle information and braking state information judge the corresponding work information of motor vehicle；It is defeated according to the work information
Corresponding torque out.
In order to solve the above technical problems, second technical solution that the present invention uses is: providing a kind of motor vehicle, the machine
Motor-car includes memory, processor and computer journey that is being stored on the memory and can running on the processor
Sequence, the processor realize the torque control method of above-mentioned motor vehicle when executing described program.
The beneficial effects of the present invention are: being different from the prior art, it is all not that method of the present invention has collected motor vehicle
With the different operating conditions under motion state, and for each different corresponding torque outputs of operating condition design, to be provided for motor vehicle
Comprehensively and effectively coping style, and then promote user experience.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of torque control method of motor vehicle of the present invention；
Fig. 2 is the work information classification chart of one embodiment of torque control method of motor vehicle of the present invention；
Fig. 3 is the first torque curve figure of one embodiment of torque control method of motor vehicle of the present invention；
Fig. 4 is the third torque curve figure of one embodiment of torque control method of motor vehicle of the present invention；
Fig. 5 is the 6th torque curve figure of one embodiment of torque control method of motor vehicle of the present invention；
Fig. 6 is the structural schematic diagram of one embodiment of motor vehicle of the present 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 belongs to the scope of protection of the invention.
With reference to Fig. 1, the flow diagram of one embodiment of torque control method of Fig. 1 motor vehicle of the present invention.As shown in Figure 1,
The torque control method of motor vehicle of the present invention is as follows:
101: obtaining the velocity information, throttle information and braking state information of motor vehicle.
In present embodiment, motor vehicle includes pure electric vehicle and hybrid vehicle.
Velocity information, throttle information and the braking state information of motor vehicle, including speed, accelerator open degree are obtained first
And brake aperture is considered as when accelerator open degree is 0 with brake aperture and does not step on the gas and brake.
102: the corresponding work information of motor vehicle is judged according to velocity information, throttle information and braking state information.
Referring to Fig.2, Fig. 2 is the work information classification chart of one embodiment of torque control method of motor vehicle of the present invention.According to
Velocity information, throttle information and the braking state information searching work information classification chart of acquisition, judge that motor vehicle is corresponding
Work information.Eight class work informations are as follows:
If the speed of motor vehicle is no more than the first predetermined speed and throttle and brake are not operated, corresponding operating condition letter
Breath is the first work information；
If the speed of motor vehicle is more than that the first predetermined speed and throttle and brake are not operated, corresponding work information
For the second work information；
If the speed of motor vehicle is no more than, the first predetermined speed, brake is operated, throttle is not operated, corresponding operating condition
Information is third work information；
If the speed of motor vehicle is more than the first predetermined speed, brake is operated, throttle is not operated, corresponding operating condition letter
Breath is the 4th work information；
If the speed of motor vehicle is no more than, the first predetermined speed, throttle is operated, braking is not operated, corresponding operating condition
Information is the 5th work information；
If the speed of motor vehicle is more than the first predetermined speed, throttle is operated, braking is not operated, corresponding operating condition letter
Breath is the 6th work information；
If the speed of motor vehicle is no more than the first predetermined speed and throttle and brake are operated, corresponding work information
For the 7th work information；
If the speed of motor vehicle is no more than the first predetermined speed and throttle and brake are operated, corresponding work information
For the 8th work information.
In present embodiment, the first predetermined speed is 6km/h, and in other embodiments, the first predetermined speed can also be with
It is other numerical value, this is not limited by the present invention.
103: corresponding torque is exported according to work information.
If corresponding work information is the first work information, the first torque is exported.It is that the present invention is motor-driven refering to Fig. 3, Fig. 3
First torque curve figure of one embodiment of torque control method of vehicle.
First torque meets the relationship as shown in formula (1)
Wherein, m is the quality of motor vehicle, and g is acceleration of gravity, and B is road gradient, and η is transmission efficiency, and i is transmission ratio,
F is coefficient of rolling resistance, CDFor coefficient of air resistance, A is front face area, uaFor the first predetermined speed, TminIt is first for speed
First torque when predetermined speed, TmaxThe first torque when for speed being 0, T1For the first torque.
The normal road gradient is respectively less than 10%, according to " garage code of building design " straight line ramp ruling grade 15%,
To guarantee under ruling grade not car slipping, therefore consider starting motor torque TmaxIt is calculated according to the breakaway force of 15% gradient
Out.In addition, to guarantee the stability under this operating condition, setting reaches motor torque T when the first predetermined speedminMachine can be balanced
Resistance of motor-car when on level road with the movement of the first predetermined speed.In present embodiment, road gradient 15%, at other
In embodiment, road gradient is also possible to other numerical value, according to the actual situation value, and calculation formula is accordingly modified, this
Invention is not construed as limiting this.
The speed of first torque and the motor vehicle meets the relationship as shown in formula (2)
T1=fa(V) (2)
Wherein, T1For the first torque, V is the speed of motor vehicle, faDerivative reduce with the increase of V.
In present embodiment, faDerivative reduce, i.e. f with the increase of VaCurve shape is designed as derivative down type.This
Kind of the design torque that can make to start to walk is reduced rapidly when can produce forward direction speed, if in addition on straight road speed close to first
Further operating is not taken when predetermined speed still, vehicle can be stablized on present speed；It is corresponding to stablize when road grade increase
Speed can reduce, but the ride comfort travelled remains to be guaranteed.In other embodiments, faCurve shape may be designed in
Other function curves, this is not limited by the present invention.
If corresponding work information is the second work information, the second torque is exported.And judge motor vehicle speed whether
More than the second predetermined speed, wherein the second predetermined speed is higher than the first predetermined speed.If the speed of motor vehicle is more than second predetermined
Speed then starts braking energy recovering function.
In present embodiment, the first predetermined speed is 6km/h, and the second predetermined speed is 20km/h, in other embodiments
In, the first predetermined speed and the second predetermined speed are also possible to other numerical value, and the present invention is not construed as limiting this.
In another particular embodiment of the invention, if the speed of motor vehicle is between 6km/h and 20km/h, the second torque
It is 0；If the speed of motor vehicle is more than 20km/h, the battery dump energy of motor vehicle is obtained；If the remaining battery electricity of motor vehicle
Amount is no more than predetermined electricity, then starts braking energy recovering function.In present embodiment, predetermined electricity is that automotive battery is always electric
The 90% of amount, in other embodiments, predetermined electricity is also possible to other numerical value, and the present invention is not construed as limiting this.
If corresponding work information is third work information, third torque is exported according to the opening information of brake.
If the aperture of brake is no more than first brake aperture, the third torque of output is equal to the first torque value；If brake
Aperture is more than the second brake aperture, and third torque is zero, wherein the second brake aperture is greater than first brake aperture；If brake
Aperture is between first brake aperture and the second brake aperture, and third torque is according to first brake aperture and the second brake aperture pair
The torque answered carries out interpolation.
In a specific embodiment, implement refering to the torque control method one that Fig. 4, Fig. 4 are motor vehicles of the present invention
The third torque curve figure of example.First brake aperture is 10%, and the second brake aperture is 20%.Corresponding work information is third
Work information then exports third torque according to the opening information of brake.If the aperture of brake is more than 20%, in order to save electric energy,
Motor no longer output torque can be allowed, i.e., third torque is 0；If brake aperture be no more than 10%, in order to driver starting it is fast
Motor torque should be increased to corresponding first in advance at aperture of braking (i.e. brake aperture is 0-10%) close to 0 and turned round by speed
Functional value in square calculates third torque according to the method for calculating the first torque that is, according to present speed；When brake aperture exists
Linear interpolation is carried out to third torque when 20% and 10%.In other embodiments, first brake aperture and the second brake are opened
Degree or other numerical value, the interpolation of other modes can also be carried out by calculating third torque, and the present invention is not construed as limiting this.
If corresponding work information is the 4th work information, judge the speed of motor vehicle whether more than the second pre- constant speed
Degree, the second predetermined speed are higher than the first predetermined speed；If the speed of motor vehicle is no more than the second predetermined speed, output the 4th is turned round
Square；If the speed of motor vehicle is more than the second predetermined speed, the 4th torque is exported, and carry out Brake energy recovery.
In a specific embodiment, if the speed of motor vehicle is between 6km/h and 20km/h, the 4th torque is
0；If the speed of motor vehicle is more than 20km/h, the battery dump energy of motor vehicle is obtained；If the battery dump energy of motor vehicle
No more than predetermined electricity, then Brake energy recovery is carried out.When speed is more than 20km/h, only brake is operated, and carries out Brake Energy
Brake energy recovery not only may be implemented in amount recycling, and can damage to avoid brake block.In present embodiment, predetermined electricity is
The 90% of automotive battery total electricity, in other embodiments, predetermined electricity are also possible to other numerical value, and the present invention is equal to this
It is not construed as limiting.
If corresponding work information is the 6th work information, the corresponding of the 6th torque and accelerator open degree and speed is obtained
Relationship；The 6th torque is obtained according to the current accelerator open degree of motor vehicle and speed；Export the 6th torque.
It is the 6th torque curve figure of one embodiment of torque control method of motor vehicle of the present invention refering to Fig. 5, Fig. 5.Horizontal seat
It is designated as speed, unit km/h, ordinate is torque, and unit N*m is from top to bottom corresponding accelerator open degree 100%, 90% ...
0% curve, wherein the curve of corresponding accelerator open degree 0% is abscissa.If motor vehicle speed is constant, the 6th torque is with throttle
The increase of aperture and increase.If accelerator open degree is constant, when motor vehicle speed is lower than 40km/h, the 6th torque keeps one initially to determine
It is worth constant, which sets according to accelerator open degree；When motor vehicle speed is higher than 40km/h, the 6th torque is with speed
Increase is gradually reduced, and the 6th torque reduces being gradually increased with the increase of speed for amplitude.According to this curve, vehicle is in speed
A biggish torque is exported when spending lower, guarantees that vehicle start is stablized, while vehicle is gradually reduced output when speed is higher
Torque, it is fuel-efficient to achieve the purpose that.In other embodiments, the corresponding relationship of the 6th torque and accelerator open degree and speed
It is also possible to other curves, this is not limited by the present invention.
If corresponding work information is the 5th work information, the 6th torque and the are obtained according to current throttle aperture and speed
One torque, the 5th torque take the larger value in the 6th torque and the first torque, export the 5th torque.According to accelerator open degree and work as
The 6th torque can be obtained in preceding speed, but in view of can export biggish first torque when not stepping on the gas, if driver
Torque, which becomes smaller, during stepping on the throttle will affect driver's impression, therefore export at this moment larger in the 6th torque and the first torque
Value is used as the 5th torque.
If corresponding work information is the 7th work information, motor vehicle responds the operation of throttle and brake, output simultaneously
7th torque.7th torque is obtained according to third torque and the 5th torque arithmetic, and this is not limited by the present invention.Driver is steep
When starting to walk on slope, if pull the hand brake not can guarantee vehicle not car slipping when, being only capable of slamming brake by left foot, right crus of diaphragm is stepped on the gas simultaneously
Mode just can guarantee not car slipping, therefore should ensure that brake, throttle when running at a low speed while responding.If corresponding work information is
8th work information, motor vehicle only respond brake, export the 8th torque.When running at high speed, the preferential strategy that brakes should ensure that,
Therefore the 8th torque is 0, only response brake.Consider that the situation may belong to maloperation simultaneously, therefore is not turned on Brake energy recovery.
It being different from the prior art, method of the invention has collected the different operating conditions under all different motion states of motor vehicle,
And for each different corresponding torque outputs of operating condition design, to provide comprehensively and effectively coping style for motor vehicle, in turn
Promote user experience.
It is the structural schematic diagram of one embodiment of motor vehicle of the present invention refering to Fig. 6, Fig. 6.As shown in fig. 6, present embodiment
Motor vehicle 60 includes the memory 61 and processor 62 being mutually coupled, and memory 61 is used for the computer that storage processor 62 executes
Program and generated intermediate data etc. when executing computer program；When processor 62 executes computer program, this is realized
Invent the torque control method of any of the above-described motor vehicle.
It being different from the prior art, motor vehicle of the present invention has collected the different operating conditions under all different motion states of motor vehicle,
And for each different corresponding torque outputs of operating condition design, to provide comprehensively and effectively coping style for motor vehicle, in turn
Promote user experience.
The above is only embodiments of the present invention, are not intended to limit the scope of the invention, all to utilize the present invention
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (21)
1. a kind of torque control method of motor vehicle characterized by comprising
Obtain the velocity information, throttle information and braking state information of the motor vehicle；
The corresponding work information of motor vehicle is judged according to the velocity information, throttle information and braking state information；
Corresponding torque is exported according to the work information.
2. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes:
If the speed of motor vehicle is no more than the first predetermined speed and throttle and brake are not operated, corresponding work information is
First work information exports the first torque according to first work information.
3. the torque control method of motor vehicle according to claim 2, which is characterized in that first torque meets as public
Relationship shown in formula (1)
Wherein, m is the quality of the motor vehicle, and g is acceleration of gravity, and B is road gradient, and η is transmission efficiency, and i is transmission ratio,
F is coefficient of rolling resistance, CDFor coefficient of air resistance, A is front face area, uaFor first predetermined speed, TminIt is for speed
First torque when first predetermined speed, TmaxThe first torque when for speed being 0, T1For first torque.
4. the torque control method of motor vehicle according to claim 3, which is characterized in that first torque and the machine
The speed of motor-car meets the relationship as shown in formula (2)
T1=fa(V) (2)
Wherein, T1For first torque, V is the speed of the motor vehicle, faDerivative reduce with the increase of V.
5. the torque control method of motor vehicle according to claim 3, which is characterized in that the road gradient is 15%.
6. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is more than that the first predetermined speed and throttle and brake are equal
It is not operated, then corresponding work information is the second work information, exports the second torque according to second work information.
7. the torque control method of motor vehicle according to claim 6, which is characterized in that described according to second work
Include: after the step of condition information the second torque of output
Whether the speed of the motor vehicle is judged more than the second predetermined speed, and it is predetermined that second predetermined speed is higher than described first
Speed；
If the speed of the motor vehicle is more than second predetermined speed, start braking energy recovering function.
8. the torque control method of motor vehicle according to claim 7, which is characterized in that first predetermined speed is
6km/h, second predetermined speed is 20km/h.
9. the torque control method of motor vehicle according to claim 7, which is characterized in that if the speed of the motor vehicle
The step of degree is more than second predetermined speed, and the motor vehicle opens Brake energy recovery specifically includes:
If the speed of the motor vehicle is more than second predetermined speed, the second torque is exported, and obtain the motor vehicle
Battery dump energy；
If the battery dump energy of the motor vehicle is no more than predetermined electricity, start braking energy recovering function.
10. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is no more than the first predetermined speed, brake is operated,
Throttle is not operated, then corresponding work information is third work information, exports third torque according to the third work information.
11. the torque control method of motor vehicle according to claim 10, it is characterised in that: described according to the third work
The step of condition information output third torque, specifically includes:
Third torque is exported according to the opening information of brake；
If the aperture of the brake is no more than first brake aperture, the third torque is equal to first torque；
If the aperture of the brake is more than the second brake aperture, the third torque is zero, wherein the second brake aperture is big
In the first brake aperture；
If the aperture of the brake, between the first brake aperture and the second brake aperture, the third torque is according to
First brake aperture and the corresponding torque of the second brake aperture carry out interpolation.
12. the torque control method of motor vehicle according to claim 10, which is characterized in that the third torque is according to institute
It states first brake aperture and the step of corresponding torque of the second brake aperture carries out interpolation specifically includes:
The third torque carries out linear interpolation according to the first brake aperture and the corresponding torque of the second brake aperture.
13. the torque control method of motor vehicle according to claim 10, which is characterized in that the first brake aperture is
10%, the second brake aperture is 20%.
14. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is more than the first predetermined speed, braking is operated, is oily
Men Wei is operated, then corresponding work information is the 4th work information, exports the 4th torque according to the 4th work information.
15. the torque control method of motor vehicle according to claim 14, which is characterized in that described according to the 4th work
The step of condition information four torque of output, specifically includes:
Whether the speed of the motor vehicle is judged more than the second predetermined speed, and it is predetermined that second predetermined speed is higher than described first
Speed；
If the speed of the motor vehicle is no more than second predetermined speed, the 4th torque is exported；
If the speed of the motor vehicle is more than second predetermined speed, the 4th torque is exported, and carry out Brake energy recovery.
16. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is no more than the first predetermined speed, throttle is operated,
Brake is not operated, then corresponding work information is the 5th work information, exports the 5th torque according to the 5th work information.
17. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
Information exports the step of corresponding torque and specifically includes: if the speed of motor vehicle is more than that the first predetermined speed, throttle are operated, stop
Vehicle is not operated, then corresponding work information is the 6th work information, exports the 6th torque according to the 6th work information.
18. the torque control method of motor vehicle according to claim 17, which is characterized in that described according to the 6th work
The step of condition information six torque of output, specifically includes:
Obtain the corresponding relationship of the 6th torque and accelerator open degree and speed；
The 6th torque is obtained according to the current accelerator open degree of the motor vehicle and speed；
Export the 6th torque.
19. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is no more than the first predetermined speed and throttle and brake
It is operated, then corresponding work information is the 7th work information, and the motor vehicle responds the operation of throttle and brake simultaneously, defeated
7th torque out.
20. the torque control method of motor vehicle according to claim 1, which is characterized in that described to be believed according to the speed
Breath, throttle information and braking state information judge the step of motor vehicle corresponding work information and described according to the operating condition
The step of information output corresponding torque, specifically includes: if the speed of motor vehicle is no more than the first predetermined speed and throttle and brake
It is operated, the motor vehicle only responds brake, exports the 8th torque.
21. a kind of motor vehicle, which is characterized in that the motor vehicle includes the memory and processor being mutually coupled, the storage
The computer program that can be run on the processor is stored on device, the processor is realized when executing the computer program
The torque control method of any motor vehicle in claim 1-20.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/118412 WO2019126966A1 (en) | 2017-12-25 | 2017-12-25 | Motor vehicle and method for controlling torque thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109414993A true CN109414993A (en) | 2019-03-01 |
| CN109414993B CN109414993B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780035372.XA Active CN109414993B (en) | 2017-12-25 | 2017-12-25 | Motor vehicle and torque control method thereof |
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|---|---|
| CN (1) | CN109414993B (en) |
| WO (1) | WO2019126966A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877532A (en) * | 2019-11-28 | 2020-03-13 | 安徽中车瑞达电气有限公司 | Intelligent mining electric locomotive |
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| CN114604105B (en) * | 2022-04-11 | 2023-12-15 | 潍柴动力股份有限公司 | Control method and related device for carrier frequency switching of motor |
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| WO2019126966A1 (en) | 2019-07-04 |
| CN109414993B (en) | 2022-08-16 |
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