CN109398096A - Braking energy recovery control method and device and automobile - Google Patents
Braking energy recovery control method and device and automobile Download PDFInfo
- Publication number
- CN109398096A CN109398096A CN201811341658.3A CN201811341658A CN109398096A CN 109398096 A CN109398096 A CN 109398096A CN 201811341658 A CN201811341658 A CN 201811341658A CN 109398096 A CN109398096 A CN 109398096A
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- vehicle
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- gear
- speed
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- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000009193 crawling Effects 0.000 claims abstract description 57
- 230000001172 regenerating effect Effects 0.000 claims description 20
- 238000004064 recycling Methods 0.000 claims description 17
- 238000005265 energy consumption Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
-
- 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
- B60L2250/00—Driver interactions
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/12—Driver interactions by confirmation, e.g. of the input
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake energy recovery control method and device and an automobile. The control method for recovering the braking energy comprises the following steps: acquiring the state of a switch for turning off a creeping mode of a vehicle when the vehicle is in a braking mode; and if the state of the switch indicates that the crawling mode is closed, controlling the motor to output the braking torque until the speed of the vehicle is zero, and recovering energy. According to the embodiment of the invention, the switch for closing the crawling mode is arranged, so that the crawling mode is closed when a user needs the switch, the vehicle speed from the output of the braking torque to the vehicle is zero when the vehicle is braked, the energy recovery efficiency is improved, and the cruising mileage of the vehicle is improved.
Description
Technical field
The present invention relates to the technical field of vehicle energy recycling more particularly to a kind of Brake energy recovery control methods, dress
It sets and automobile.
Background technique
According to user's use habit, general vehicle is both provided with crawling function, for the vehicle with single pedal function, electricity
Machine is under certain revolving speed, and accelerator pedal is more than that certain aperture motor exports positive-torque, and vehicle enters acceleration mode, and accelerator pedal is less than
Certain aperture motor exports negative torque, and vehicle enters braking mode, but brakes to after crawling speed (such as 6km/h), and motor stops defeated
Negative torque out, vehicle maintain crawling.After tested, as cancelled crawling, that is, increase by 0~6km/h speed section motor braking negative torque, it can
Promote vehicle course continuation mileage 2%.
Existing market vehicle is largely to have crawling function, directly cancels crawling under small part single pedal mode, does not open
Open/close the key of crawling function.Cancel crawling mode, braking recycling velocity interval, which is decreased to 0km/h, can effectively promote motor
Energy recovery efficiency, so that promoting continual mileage reduces energy consumption, still, general user, which is accustomed to vehicle, crawling mode, therefore, nothing
Method balancing user driving habit and vehicle mileage are promoted.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of Brake energy recovery control method, device and automobile,
It solves and directly cancels crawling mode, it can not balancing user driving habit and vehicle mileage the problem of being promoted.
According to one aspect of the present invention, a kind of Brake energy recovery control method is provided, comprising:
When vehicle is in braking mode, the state for closing the switch of the vehicle crawling mode is obtained；
If the state of the switch indicates that the crawling mode is closed, controls motor and export braking torque to the vehicle
Speed be zero, carry out energy regenerating.
Optionally, the switch is the virtual key on the vehicle displays curtain.
Optionally, the switch is the physical button on the vehicle.
Optionally, the Brake energy recovery control method, further includes:
The single pedal mode for controlling the vehicle is opened, and makes the braking torque according to accelerator pedal aperture and the speed
It is adjusted, until the speed is zero.
Optionally, the Brake energy recovery control method, further includes:
The energy regenerating intensity for controlling the vehicle is set as third gear, wherein the energy regenerating intensity is equipped with successively
The first gear, the second gear and the third gear of enhancing.
According to another aspect of the invention, a kind of brake energy recycle control device is provided, comprising:
Switch, for closing or the crawling mode of unlocking vehicle；
Switch state obtains module, for obtaining the state of the switch when the vehicle is in braking mode；
Braking moment output module, for controlling motor when the state of the switch indicates that the crawling mode is closed
The speed for exporting braking torque to the vehicle is zero, carries out energy regenerating.
Optionally, the switch is the virtual key on the vehicle displays curtain.
Optionally, the switch is the physical button on the vehicle.
Optionally, the brake energy recycle control device, further includes:
Single pedal mode opening module, the single pedal mode for controlling the vehicle are opened, and the braking torque root is made
It is adjusted according to accelerator pedal aperture and the speed, until the speed is zero.
Optionally, the brake energy recycle control device, further includes:
Intensity setup module is recycled, the recycling intensity for controlling the vehicle is set as third gear, wherein the energy
Recycling intensity is equipped with the first gear, the second gear and the third gear successively enhanced.
According to another aspect of the invention, a kind of automobile is provided, including the brake energy recycle control device.
The beneficial effect of the embodiment of the present invention is:
The embodiment of the invention provides a kind of control method of Brake energy recovery, device and automobiles.It is used for by setting
The switch for closing the crawling function facilitates user to select to open and close to the crawling function.It selects to close institute in user
When stating crawling function, vehicle braking to speed is zero, can effectively improve energy recovery efficiency, and it is whole to promote the reduction of vehicle continual mileage
Vehicle energy consumption solves and directly cancels crawling mode, can not balancing user driving habit and vehicle mileage the problem of being promoted.
Detailed description of the invention
Fig. 1 shows the flow charts of the Brake energy recovery control method of the embodiment of the present invention；
The virtual key schematic diagram of Fig. 2 expression embodiment of the present invention；
The Energy Recovery Logic control figure of Fig. 3 expression embodiment of the present invention；
Fig. 4 indicates the structural block diagram of the brake energy recycle control device of the embodiment of the present invention.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
The embodiment provides a kind of Brake energy recovery control methods, as shown in Figure 1, comprising:
Step 11, when vehicle is in braking mode, obtain the state for closing the switch of the vehicle crawling mode.
If step 12, the state of the switch indicate that the crawling mode is closed, motor output braking torque is controlled extremely
The speed of the vehicle is zero, carries out energy regenerating.
In the present embodiment, one is additionally arranged on the vehicle for closing and opening the switch of the crawling mode, institute
Switch is stated by user's control, according to their own needs, the crawling mode is closed or opened in selection to user.System is in vehicle
When dynamic model formula, by obtaining the state of the switch, to judge whether the crawling mode closes.
When vehicle is in braking mode, if user opens the crawling mode, motor output braking torque brake to
After crawling speed (such as 6km/h), stop output braking torque, vehicle maintains crawling；If user closes the crawling mode, electricity
The speed that machine exports braking torque to the vehicle is zero.By closing the crawling function, vehicle can be increased by crawling speed
To the recycling of this partial brake energy is stopped completely, to improve the course continuation mileage of the vehicle.
The vehicle is cancelled compacted in newly mark Europe loop test (New European Driving Cycle, NEDC)
Row function increases the braking torque of 0~6km/h speed section motor, can effectively promote 2% or more vehicle course continuation mileage, reduce
Vehicle energy consumption, save the cost.
Brake energy recovery control method described in the present embodiment is taking into account while driving to be accustomed to of user, is improving system
The efficiency of energy recycling solves to improve the course continuation mileage of the vehicle and directly cancels crawling mode, can not balance use
The problem of family driving habit and vehicle mileage are promoted.
Specifically, as shown in Fig. 2, the switch is the virtual key on the vehicle displays curtain.
In the present embodiment, the switch is set on the display screen of the vehicle, is virtual key, is divided into ON and OFF
Two states, the ON are crawling mode unlatching, and the OFF is crawling mode closing.User can be according to oneself
Driving habit, being turned on or off for the crawling mode is selected, to reduce the generation of bad accident.
In addition, the switch is the physical button on the vehicle.
In the present embodiment, the switch is set on the vehicle, is physical button, is divided into ON and OFF two states, institute
ON is stated as crawling mode unlatching, the OFF is crawling mode closing.The setting of the physical button can make not
The vehicle for being equipped with display screen can also have the switch that selection is turned on or off the crawling function, to allow user
According to the driving habit of oneself, being turned on or off for the crawling mode is selected, to reduce the generation of bad accident.
Preferably, the Brake energy recovery control method, further includes:
The single pedal mode for controlling the vehicle is opened, and makes the braking torque according to accelerator pedal aperture and the speed
It is adjusted, until the speed is zero.
In the present embodiment, the unlatching of the single pedal mode can further increase vehicle on the basis of the crawling mode
Energy recovery efficiency.As shown in Fig. 2, the opening and closing of the single pedal mode, by the way that phase is arranged on the vehicle
The switch answered is selected according to their own needs by user.
In the present embodiment, the switch of the single pedal mode is set on the display screen of the vehicle, is virtual key,
It is divided into ON and OFF two states, the ON is single pedal mode unlatching, and the OFF is single pedal mode closing.
As shown in figure 3, the single pedal mode is opened, the vehicle when the switch of the single pedal mode is ON state
Recycling torque program be X-Y-Z matrix table of the Motor torque with accelerator pedal aperture and motor speed change, motor is certain
Under revolving speed, accelerator pedal is more than that certain aperture motor exports positive-torque, and vehicle enters acceleration mode, the small Mr. Yu's aperture electricity of accelerator pedal
Machine exports negative torque, and vehicle enters braking mode.When the switch of the single pedal mode is OFF state, the single pedal mould
Formula is closed, and vehicle is in common take-back model, and the recycling torque program of the vehicle is motor braking and slides torque with motor
The X-Y torque meter of rotation speed change, is slided and braking torque is constant.The unlatching of the single pedal mode, can further improve vehicle
Energy recovery efficiency.
Preferably, the Brake energy recovery control method, further includes:
The energy regenerating intensity for controlling the vehicle is set as third gear, wherein the energy regenerating intensity is equipped with successively
The first gear, the second gear and the third gear of enhancing.
In the present embodiment, the energy regenerating intensity of the vehicle is divided into the first gear, the second gear and third gear, time
Receiving intensity successively enhances.When the energy regenerating intensity of the vehicle is placed in third gear, the energy recovery efficiency of the vehicle
Highest can further improve the energy of vehicle on the basis of vehicle closes the crawling mode, opens the single pedal mode
Measure recovery efficiency.
As shown in Fig. 2, user by the virtual push button on vehicle displays curtain, can select phase according to their own needs
The energy regenerating gear answered, wherein " 1 " indicates the first gear, and " 2 " indicate the second gear, and " 3 " indicate third gear.
As shown in figure 3, the single pedal mode is opened and the energy of the vehicle when user selects the crawling mode to close
Amount recycling intensity is when being placed in the third gear, the recycling torque program of the vehicle be Motor torque with accelerator pedal aperture and
The intensity 3 of motor speed change, X-Y-Z, A type matrix table increase effectively at this point, motor power recycling intensity reaches maximum
Battery recycling electricity improves vehicle continual mileage, reduces vehicle energy consumption, or subtract on the basis of mileage development goal is constant
Baby battery available power demand, effectively save battery cost.
Brake energy recovery control method provided in an embodiment of the present invention, by being arranged for closing the crawling function
Switch facilitates user to select to open and close to the crawling function.When user selects to close the crawling function, vehicle system
Moving to speed is zero, can effectively improve energy recovery efficiency, and promoting vehicle continual mileage reduces vehicle energy consumption, solves and directly takes
Disappear crawling mode, can not balancing user driving habit and vehicle mileage the problem of being promoted.The present embodiment, which also passes through, opens the list
Pedal mode, setting energy regenerating to third gear, to further increase the efficiency of vehicle energy recycling, utmostly to carry out
Energy regenerating.
The embodiments of the present invention also provide a kind of brake energy recycle control devices, as shown in Figure 4, comprising:
Switch 41, for closing or the crawling mode of unlocking vehicle.
Optionally, the switch is the virtual key on the vehicle displays curtain.
Optionally, the switch is the physical button on the vehicle.
Switch state obtains module 42, for obtaining the state of the switch when the vehicle is in braking mode.
Braking moment output module 43, for when the state of the switch indicates that the crawling mode is closed, control to be electric
The speed that machine exports braking torque to the vehicle is zero, carries out energy regenerating.
Preferably, the brake energy recycle control device, further includes:
Single pedal mode opening module, the single pedal mode for controlling the vehicle are opened, and the braking torque root is made
It is adjusted according to accelerator pedal aperture and the speed, until the speed is zero.
Preferably, the brake energy recycle control device, further includes:
Intensity setup module is recycled, the recycling intensity for controlling the vehicle is set as third gear, wherein the energy
Recycling intensity is equipped with the first gear, the second gear and the third gear successively enhanced.
Brake energy recycle control device provided in an embodiment of the present invention, by being arranged for closing the crawling function
Switch facilitates user to select to open and close to the crawling function.When user selects to close the crawling function, vehicle system
Moving to speed is zero, can effectively improve energy recovery efficiency, and promoting vehicle continual mileage reduces vehicle energy consumption, solves and directly takes
Disappear crawling mode, can not balancing user driving habit and take into account vehicle mileage promoted the problem of.The present embodiment, which also passes through, opens institute
Single pedal mode, setting energy regenerating to third gear are stated, to further increase the efficiency of vehicle energy recycling, with utmostly
Carry out energy regenerating.
The embodiments of the present invention also provide a kind of automobiles, including the brake energy recycle control device.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (11)
1. a kind of Brake energy recovery control method characterized by comprising
When vehicle is in braking mode, the state for closing the switch of the vehicle crawling mode is obtained；
If the state of the switch indicates that the crawling mode is closed, the vehicle that motor exports braking torque to the vehicle is controlled
Speed is zero, carries out energy regenerating.
2. Brake energy recovery control method according to claim 1, which is characterized in that the switch is that the vehicle is aobvious
Virtual key on display screen curtain.
3. Brake energy recovery control method according to claim 1, which is characterized in that the switch is on the vehicle
Physical button.
4. Brake energy recovery control method according to claim 1, which is characterized in that further include:
The single pedal mode for controlling the vehicle is opened, and carries out the braking torque according to accelerator pedal aperture and the speed
Adjustment, until the speed is zero.
5. Brake energy recovery control method according to claim 1, which is characterized in that further include:
The energy regenerating intensity for controlling the vehicle is set as third gear, wherein the energy regenerating intensity, which is equipped with, successively to be enhanced
The first gear, the second gear and third gear.
6. a kind of brake energy recycle control device characterized by comprising
Switch, for closing or the crawling mode of unlocking vehicle；
Switch state obtains module, for obtaining the state of the switch when the vehicle is in braking mode；
Braking moment output module, for when the state of the switch indicates that the crawling mode is closed, control motor to be exported
The speed of braking torque to the vehicle is zero, carries out energy regenerating.
7. brake energy recycle control device according to claim 6, which is characterized in that the switch is that the vehicle is aobvious
Virtual key on display screen curtain.
8. brake energy recycle control device according to claim 6, which is characterized in that the switch is on the vehicle
Physical button.
9. brake energy recycle control device according to claim 6, which is characterized in that further include:
Single pedal mode opening module, for control the vehicle single pedal mode open, make the braking torque according to add
Speed pedal aperture and the speed are adjusted, until the speed is zero.
10. brake energy recycle control device according to claim 6, which is characterized in that further include:
Intensity setup module is recycled, the recycling intensity for controlling the vehicle is set as third gear, wherein the energy regenerating
Intensity is equipped with the first gear, the second gear and the third gear successively enhanced.
11. a kind of automobile, which is characterized in that including the described in any item Brake energy recovery control dresses of such as claim 6~10
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341658.3A CN109398096B (en) | 2018-11-12 | 2018-11-12 | Braking energy recovery control method and device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341658.3A CN109398096B (en) | 2018-11-12 | 2018-11-12 | Braking energy recovery control method and device and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109398096A true CN109398096A (en) | 2019-03-01 |
| CN109398096B CN109398096B (en) | 2021-03-23 |
Family
ID=65473110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341658.3A Active CN109398096B (en) | 2018-11-12 | 2018-11-12 | Braking energy recovery control method and device and automobile |
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| Country | Link |
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| CN (1) | CN109398096B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845750A (en) * | 2020-06-24 | 2020-10-30 | 宝能(广州)汽车研究院有限公司 | Coasting control method for vehicle and vehicle |
| CN112297872A (en) * | 2019-08-02 | 2021-02-02 | 北京新能源汽车股份有限公司 | Automobile torque control method and device, control equipment and automobile |
| CN115610244A (en) * | 2022-10-31 | 2023-01-17 | 重庆长安汽车股份有限公司 | Automobile power saving control method and device, control equipment, automobile and storage medium |
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| CN102971178A (en) * | 2010-06-30 | 2013-03-13 | 日产自动车株式会社 | Creeping-cut control apparatus for electrically driven vehicle |
| CN107627901A (en) * | 2017-08-30 | 2018-01-26 | 北京新能源汽车股份有限公司 | Output torque control method and device of motor and automobile |
| CN207164508U (en) * | 2017-08-29 | 2018-03-30 | 上海金脉电子科技有限公司 | For realizing the vehicle control unit of electric vehicle of multi-functional control |
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2018
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|---|---|---|---|---|
| CN102971178A (en) * | 2010-06-30 | 2013-03-13 | 日产自动车株式会社 | Creeping-cut control apparatus for electrically driven vehicle |
| CN207164508U (en) * | 2017-08-29 | 2018-03-30 | 上海金脉电子科技有限公司 | For realizing the vehicle control unit of electric vehicle of multi-functional control |
| CN107627901A (en) * | 2017-08-30 | 2018-01-26 | 北京新能源汽车股份有限公司 | Output torque control method and device of motor and automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112297872A (en) * | 2019-08-02 | 2021-02-02 | 北京新能源汽车股份有限公司 | Automobile torque control method and device, control equipment and automobile |
| CN111845750A (en) * | 2020-06-24 | 2020-10-30 | 宝能(广州)汽车研究院有限公司 | Coasting control method for vehicle and vehicle |
| CN115610244A (en) * | 2022-10-31 | 2023-01-17 | 重庆长安汽车股份有限公司 | Automobile power saving control method and device, control equipment, automobile and storage medium |
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|---|---|
| CN109398096B (en) | 2021-03-23 |
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