CN109017437A - A kind of electronic automobile-used torque control method - Google Patents
A kind of electronic automobile-used torque control method Download PDFInfo
- Publication number
- CN109017437A CN109017437A CN201810620838.9A CN201810620838A CN109017437A CN 109017437 A CN109017437 A CN 109017437A CN 201810620838 A CN201810620838 A CN 201810620838A CN 109017437 A CN109017437 A CN 109017437A
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- CN
- China
- Prior art keywords
- energy
- mode
- recuperation mode
- current vehicle
- energy recuperation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B60L2240/12—Speed
-
- 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
Abstract
The present invention relates to a kind of electronic automobile-used torque control methods, it include: to judge whether current vehicle condition meets by entire car controller to slide energy regenerating condition, if satisfied, then further judging whether the aperture of accelerator pedal is 0, if not being 0, then enter and slides energy recuperation mode one, if it is 0, further judge whether current vehicle speed is greater than the first setting speed, if, then enter and slide energy recuperation mode two, otherwise enters and slide energy recuperation mode one；After energy recuperation mode one is slided in entrance, constantly judges whether current vehicle speed is lower than the second setting speed, slide energy recuperation mode one if so, exiting, into wriggling driving mode；After energy recuperation mode two are slided in entrance, constantly judges whether current vehicle speed is 0, energy recuperation mode two is slided if so, exiting, into car-parking model.Compared with prior art, the present invention reduces driver operation while increase recovers energy, reduces pattern switching, reduces driving fatigue degree.
Description
Technical field
The present invention relates to the dynamic Control technical fields of electric vehicle, more particularly, to a kind of electronic automobile-used moment of torsion control side
Method.
Background technique
With the increase of car ownership, environment and energy problem become increasingly conspicuous.As counter-measure, various countries are put into effect in succession
Encourage to develop the policies and measures of new-energy automobile, each cart enterprise also active response increases the Innovation Input of new-energy automobile.
Electric car is considered as future automobile industrial development direction due to having the characteristics that energy conservation and environmental protection.
Energy regenerating is one of core technology of electric car, can dramatically increase course continuation mileage.Energy regenerating is divided into braking
Energy regenerating is usually set to exit lower than after certain speed with energy regenerating, the existing energy recovery control method that slides is slided
Energy recuperation mode prevents from generating interference with wriggling driving functions.
By taking the more city operating condition of start-stop as an example, when driver accelerates to complete, when front encounters red light, driver Panasonic accelerates to step on
Plate chooses whether to need brake pedal according to driving experience.If the non-brake pedal of driver, vehicle meet energy
When recycling correlated condition, into energy recuperation mode is slided, after speed is lower than setting value, vehicle, which exits, slides energy time
It receives, into wriggling driving mode.If driver wishes that parking needs brake pedal, vehicle can just stop completely.In this work
Under condition, it is optimal the result is that vehicle enter slide energy recuperation mode after directly stop, be not necessarily to driver's brake pedal,
While increase recovers energy, reduces pattern switching, driver operation is reduced, reduces driving fatigue degree.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of electronic automobile-used torques
Control method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of electronic automobile-used torque control method, comprising:
Judge whether current vehicle condition meets by entire car controller and slide energy regenerating condition, if satisfied, then into one
Step judges whether the aperture of accelerator pedal is 0, if not being 0, enters and slides energy recuperation mode one, if it is 0, into one
Step judges whether current vehicle speed is greater than the first setting speed, if so, otherwise entering and sliding into energy recuperation mode two is slided
Energy recuperation mode one；
After energy recuperation mode one is slided described in the entrance, constantly judge whether current vehicle speed is lower than the second setting speed,
Energy recuperation mode one is slided if so, exiting, into wriggling driving mode；
After energy recuperation mode two are slided described in the entrance, constantly judge whether current vehicle speed is 0, if so, exiting cunning
Row energy recuperation mode two, into car-parking model.
Preferably, the energy regenerating condition that slides includes: that accelerator pedal aperture is less than aperture setting value, and brake pedal is not
It is operated, battery SOC is lower than SOC setting value.
Preferably, in the operational process for sliding energy recuperation mode one, constantly judge whether current vehicle condition is full
Foot slides energy regenerating condition, slides energy recuperation mode one if not satisfied, then immediately exiting from.
Preferably, in the operational process for sliding energy recuperation mode two, constantly judge whether current vehicle condition is full
Foot slides energy regenerating condition, slides energy recuperation mode two if not satisfied, then immediately exiting from.
Preferably, in the operational process for sliding energy recuperation mode two, constantly judge whether current vehicle condition is full
Foot slides energy regenerating condition, if satisfied, then further judge whether accelerator pedal aperture is 0, if not 0, then enter and slides
Energy recuperation mode one.
Preferably, the range of first setting speed is 35~45km/h.
Preferably, the range of second setting speed is 7~15km/h.
Compared with prior art, in control process of the present invention, electric vehicle is into after sliding energy recuperation mode one, if driven
The person of sailing does not step on acceleration or brake pedal in midway, and speed can drop to always the second setting speed from high speed, exit and slide energy
Take-back model one enters wriggling driving mode；Electric vehicle is into after sliding energy recuperation mode two, if driver midway does not have
Acceleration or brake pedal are stepped on, speed can drop to always 0km/h from high speed, can stop without driver's brake pedal,
The operating condition being particularly suitable under the more city of start-stop, when encountering red light, for driver rule of thumb after release the gas pedal, vehicle passes through cunning
Row can directly stop after recovering energy, while increase recovers energy, reduces pattern switching, it is possible to reduce driver operation, drop
Low driving fatigue degree.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present invention；
Fig. 2 is the sub-process figure of energy recuperation mode two in the method for the present invention；
Fig. 3 is to realize that high speed and low speed slide the effect picture of energy regenerating using the method for the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
Present applicant proposes a kind of electronic automobile-used torque control methods, under the premise of avoiding interference with wriggling driving functions,
It realizes more energy recycling, while reducing driver operation, reduce fatigue strength.As shown in Figure 1, the control method includes:
Judge whether current vehicle condition meets by entire car controller and slide energy regenerating condition, if satisfied, then into one
Step judges whether the aperture of accelerator pedal is 0, if not being 0, enters and slides energy recuperation mode one, if it is 0, into one
Step judges whether current vehicle speed is greater than the first setting speed, slides energy regenerating if so, thinking to enter when vehicle from high speed
Mode then enters and slides energy recuperation mode two, otherwise enters and slides energy recuperation mode one.In the present embodiment, it is preferred that the
One setting speed is 40km/h.
When into after sliding energy recuperation mode one, constantly judging whether current vehicle condition meets slides energy regenerating item
Part slides energy recuperation mode one if not satisfied, then immediately exiting from, if satisfied, then constantly judging whether current vehicle speed is lower than the
Two setting speeds slide energy recuperation mode one if so, exiting, into wriggling driving mode.Wherein, the second setting speed is big
In wriggling speed of operation, the present embodiment, the second setting speed is 10km/h.
When into after sliding energy recuperation mode two, constantly judging whether current vehicle condition meets slides energy regenerating item
Part slides energy recuperation mode two if not satisfied, then immediately exiting from, if satisfied, then further whether judging accelerator pedal aperture
It is 0, if not 0, then enter and slide energy recuperation mode one, if 0, then constantly judges whether current vehicle speed is 0, if so,
It exits and slides energy recuperation mode two, into car-parking model, process is as shown in Figure 2.
Wherein, slide energy regenerating condition to specifically include: accelerator pedal aperture is less than aperture setting value APS1, brake pedal
It is not operated, battery SOC is lower than SOC setting value etc..In the present embodiment, aperture setting value APS1 is that 5%, SOC setting value is
95%, it can separately set as needed under actual conditions.
Fig. 3 is the effect that energy recuperation mode is slided in this method, slides and does not step on braking in energy recovery process and add
Speed pedal.
Identical energy recycles under intensity, and the energy regenerating deceleration that slides after release the gas pedal is demarcated as fixed value,
Driver can rule of thumb judge the distance slided, and after suitable place release the gas pedal, vehicle can it is expected in driver
Place nearby stop.
If driver's brake pedal, in electric braking torque tolerance band, total electric braking torque is sliding brake function
The electric braking torque superposition value of torque and braking parsing, it is ensured that the flatness of pattern switching.
On the basis of this control method, vehicle can realize specific operation mode by way of increasing entity button,
It is such as defined as city regime mode, in such a mode, into after sliding energy recuperation mode, final speed can all drop to vehicle
0km/h stops.This mode is suitble to the more operating condition of traffic lights, this mode ideally, driver need to only operate acceleration
Pedal, release the gas pedal can stop after making vehicle sliding, and when speed is equal to 0km/h, motor braking torque is exited, automatically
Parking system plays a role, prevent it is unnecessary slide and slip by slope, only need again that bend the throttle is i.e. when driver needs to start to walk
It can.This mode can increase reduction driver driving fatigue strength while recovering energy.
Claims (7)
1. a kind of electronic automobile-used torque control method characterized by comprising
Judge whether current vehicle condition meets by entire car controller and slide energy regenerating condition, if satisfied, then further sentencing
Whether the aperture of disconnected accelerator pedal is 0, if not being 0, enters and slides energy recuperation mode one, if it is 0, further sentence
Whether disconnected current vehicle speed is greater than the first setting speed, if so, otherwise entering into energy recuperation mode two is slided and sliding energy
Take-back model one；
After energy recuperation mode one is slided described in the entrance, constantly judge whether current vehicle speed is lower than the second setting speed, if so,
It then exits and slides energy recuperation mode one, into wriggling driving mode；
After energy recuperation mode two are slided described in the entrance, constantly judges whether current vehicle speed is 0, slide energy if so, exiting
Take-back model two is measured, into car-parking model.
2. the electronic automobile-used torque control method of one kind according to claim 1, which is characterized in that described to slide energy regenerating
Condition includes: that accelerator pedal aperture is less than aperture setting value, and brake pedal is not operated, and battery SOC is lower than SOC setting value.
3. the electronic automobile-used torque control method of one kind according to claim 1, which is characterized in that described to slide energy regenerating
In the operational process of mode one, constantly judging whether current vehicle condition meets slides energy regenerating condition, if not satisfied, then standing
It exits and slides energy recuperation mode one.
4. the electronic automobile-used torque control method of one kind according to claim 1, which is characterized in that described to slide energy regenerating
In the operational process of mode two, constantly judging whether current vehicle condition meets slides energy regenerating condition, if not satisfied, then standing
It exits and slides energy recuperation mode two.
5. the electronic automobile-used torque control method of one kind according to claim 4, which is characterized in that described to slide energy regenerating
In the operational process of mode two, constantly judging whether current vehicle condition meets slides energy regenerating condition, if satisfied, then into one
Step judges whether accelerator pedal aperture is 0, if not 0, then enter and slides energy recuperation mode one.
6. the electronic automobile-used torque control method of one kind according to claim 1, which is characterized in that first setting speed
Range be 35~45km/h.
7. the electronic automobile-used torque control method of one kind according to claim 1, which is characterized in that second setting speed
Range be 7~15km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810620838.9A CN109017437A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic automobile-used torque control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810620838.9A CN109017437A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic automobile-used torque control method |
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| Publication Number | Publication Date |
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| CN109017437A true CN109017437A (en) | 2018-12-18 |
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| CN201810620838.9A Pending CN109017437A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic automobile-used torque control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422050A (en) * | 2019-04-30 | 2019-11-08 | 武汉理工大学 | A kind of electric car sliding brake function energy reclaiming method |
| CN111376733A (en) * | 2018-12-28 | 2020-07-07 | 海马新能源汽车有限公司 | Vehicle control method and device |
| CN111791711A (en) * | 2019-09-24 | 2020-10-20 | 长城汽车股份有限公司 | Energy recovery control method and device, controller and electric automobile |
| CN111942176A (en) * | 2020-08-20 | 2020-11-17 | 广州小鹏汽车科技有限公司 | Vehicle control method, vehicle-mounted terminal and vehicle |
| CN113212174A (en) * | 2021-05-31 | 2021-08-06 | 台州市佑吉车业科技股份有限公司 | Energy-saving endurance type electric vehicle |
-
2018
- 2018-06-15 CN CN201810620838.9A patent/CN109017437A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376733A (en) * | 2018-12-28 | 2020-07-07 | 海马新能源汽车有限公司 | Vehicle control method and device |
| CN110422050A (en) * | 2019-04-30 | 2019-11-08 | 武汉理工大学 | A kind of electric car sliding brake function energy reclaiming method |
| CN111791711A (en) * | 2019-09-24 | 2020-10-20 | 长城汽车股份有限公司 | Energy recovery control method and device, controller and electric automobile |
| CN111942176A (en) * | 2020-08-20 | 2020-11-17 | 广州小鹏汽车科技有限公司 | Vehicle control method, vehicle-mounted terminal and vehicle |
| CN113212174A (en) * | 2021-05-31 | 2021-08-06 | 台州市佑吉车业科技股份有限公司 | Energy-saving endurance type electric vehicle |
| CN113212174B (en) * | 2021-05-31 | 2022-08-05 | 台州市佑吉车业科技股份有限公司 | Energy-saving endurance type electric vehicle |
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