CN108973977A - A kind of hybrid vehicle energy outgoing management method - Google Patents
A kind of hybrid vehicle energy outgoing management method Download PDFInfo
- Publication number
- CN108973977A CN108973977A CN201710416876.8A CN201710416876A CN108973977A CN 108973977 A CN108973977 A CN 108973977A CN 201710416876 A CN201710416876 A CN 201710416876A CN 108973977 A CN108973977 A CN 108973977A
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- Prior art keywords
- engine
- hybrid vehicle
- output torque
- accumulator
- motor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid vehicle energy outgoing management methods, the hybrid vehicle includes engine, generator, speed changer, motor, the engine, generator, speed changer, motor is sequentially connected, the motor output end connects vehicle rear axle, the engine drives jointly with the motor, the engine always works in high efficiency region, the output torque range of the engine is in its high efficiency region, the output torque of the engine drives the electricity of required torque adjustment and accumulator according to the hybrid vehicle to adjust, so that engine works in high efficiency region always, improve the capacity usage ratio of vehicle, and the performance of accumulator can be taken into account, it prolongs its service life.
Description
Technical field
The present invention relates to mixed power automobile driving system and its driving methods, and in particular to hybrid vehicle it is double acting
The management method of power source energy output.
Background technique
Hybrid-power bus system is divided into serial mixed power, parallel type hybrid dynamic, series parallel hybrid power, mesh
Preceding series connection type hybrid power system is used generally only on extended-range vehicle, and parallel and series-parallel hybrid electric system is existing
Common system, for parallel and series-parallel hybrid electric system, most driving method is the pure electric drive of low speed, medium speed engine
Machine drives jointly with motor, and high speed engine is directly driven, although the driving method has allowed the working efficiency of engine to greatly improve,
But engine is not constantly to work in high efficient district, and thus, for further increasing capacity usage ratio, hybrid vehicle
There are also improved spaces for energy outgoing management.
Summary of the invention
In order to further increase the capacity usage ratio of hybrid vehicle, the present invention proposes a kind of hybrid vehicle energy
Outgoing management method, the hybrid vehicle include engine, generator, speed changer, motor, the engine, power generation
Machine, speed changer, motor are sequentially connected, and the motor output end connects vehicle rear axle, the engine and the motor
Common driving, the engine always work in high efficiency region, and the output torque range of the engine is in its high efficient area
In domain, the electricity of torque adjustment and accumulator needed for the output torque of the engine drives according to the hybrid vehicle
It adjusts, so that engine works in high efficiency region always, improves the capacity usage ratio of vehicle, and the property of accumulator can be taken into account
Can, it prolongs its service life.
To achieve the above object, the technical scheme is that
A kind of hybrid vehicle energy outgoing management method, the hybrid vehicle include engine, generator, change
Fast device, motor, the engine, generator, speed changer, motor are sequentially connected, and the motor output end connects vehicle
Rear axle, the engine drive jointly with the motor, and the engine always works in high efficiency region, the engine
Output torque range in its high efficiency region, the output torque of the engine drives institute according to the hybrid vehicle
Torque is needed to adjust.
The hybrid vehicle further includes accumulator, and the accumulator is connect with the motor, generator, the storage
The electric energy that power needed for energy device provides the motor operation and the storage electrical power generators generate, further, the energy storage
Device is energy type accumulator, it is preferable that the accumulator is power battery.
The torque needed for the hybrid vehicle drives, which is less than or equal to export in engine high-efficiency rate region, to be turned round
When the lower limit value of square, the engine output torque is the lower limit value, provides the hybrid vehicle by the engine
Required torque and drive the electrical power generators.
The torque needed for the hybrid vehicle drives, which is greater than or equal to export in engine high-efficiency rate region, to be turned round
When the upper limit value of square, the engine output torque is the upper limit value, is provided jointly by the engine and the motor
Torque needed for the mixed dynamic power vehicle.
The torque needed for the hybrid vehicle drives is under output torque in engine high-efficiency rate region
When between limit value and upper limit value, the engine output torque is adjusted according to current accumulator charge value E, presets charge value
E1, E2, wherein E1, E2 are between zero and the accumulator maximum charge value, and E1 < E2.
As the accumulator charge value E≤E1, the engine output torque is in engine high-efficiency rate region
The upper limit value of output torque, torque needed for providing the hybrid vehicle as the engine and drives the generator to send out
Electricity.
As the accumulator charge value E >=E1, the engine output torque is in engine high-efficiency rate region
The lower limit value of output torque, torque needed for providing the mixed dynamic power vehicle jointly as the engine and the motor.
When the accumulator charge value E is between E1 and E2, the engine output torque is the hybrid power
Torque needed for automobile, torque needed for the mixed dynamic power vehicle is provided separately as the engine.
Compared to existing hybrid vehicle energy outgoing management method, the present invention has remarkable advantage and beneficial effect, tool
Body embodies are as follows:
1, using hybrid vehicle energy outgoing management method of the invention, guarantee that engine operates in high efficiency always
The operational efficiency of engine is improved in region, can improve the capacity usage ratio of vehicle entirety to greatest extent；
2, using hybrid vehicle energy outgoing management method of the invention, engine is adjusted according to the electricity of accumulator
Output torque, guarantee that the electricity of accumulator maintains in range the most suitable, facilitate extend accumulator service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hybrid vehicle of the present invention；
Fig. 2 is the flow diagram of hybrid vehicle energy outgoing management method of the present invention.
Specific embodiment
Specific implementation method of the invention is as follows:
Hybrid power system driving method of the present invention is a kind of hybrid power proposed for hybrid vehicle
Automobile energy outgoing management method, the hybrid power system include engine, generator, speed changer, motor, described to start
Machine, generator, speed changer, motor are sequentially connected, and the motor output end connects vehicle rear axle, the engine with it is described
Motor drives the hybrid vehicle jointly, and the engine runs on efficient region always, when the hybrid power vapour
When torque needed for vehicle drives is lower, it is driven by the engine vehicle driving and drives the electrical power generators, and will be more
Remaining electricity is stored in accumulator, when the torque needed for the hybrid vehicle drives is higher, by engine and motor
Common driving, when the hybrid vehicle drives required torque to be exactly in the corresponding output torque in engine high-efficiency rate region
When, engine can adjust output torque according to accumulator electricity, both ensure that institute's engine operated in high efficiency region always, and mentioned
The fuel efficiency of high system, while guaranteeing that the electricity of the accumulator maintains optimal region, to extend making for the accumulator
Use the service life.
The way to manage of mixed power system structure and its energy output of the invention is illustrated with reference to the accompanying drawing:
It is as shown in Figure 1 the structural schematic diagram of hybrid power system of the present invention, the hybrid vehicle includes engine
1, generator 2, speed changer 3, motor 4, the engine 1, generator 2, speed changer 3, motor 4 are sequentially connected, the electricity
4 output end of motivation connects vehicle rear axle, and the engine 1 drives the hybrid vehicle with the motor 4 jointly, described
Engine 1 always works in high efficiency region, and the output torque range of the engine 1 is in its high efficiency region, the hair
The adjustment of torque needed for the output torque of motivation 1 drives according to the hybrid vehicle.
The hybrid vehicle further includes accumulator 5, and the accumulator 5 is connect with the motor 4, generator 2, institute
It states accumulator 5 and the electric energy that the motor 4 operates required power and the storage power generation of generator 2 generates, further, institute is provided
Stating accumulator 5 is energy type accumulator, it is preferable that the accumulator 5 is power battery.
It is illustrated in figure 2 the flow diagram of hybrid vehicle energy outgoing management method of the present invention, is started when described
After machine 1 starts, first determine whether that the hybrid vehicle drives required torque T 0 to export in engine high-efficiency rate region
The size of the lower limit value T1 of torque, upper limit value T2, the torque T 0 needed for the hybrid vehicle drives are less than or equal to described
In 1 high efficiency region of engine when the lower limit value T1 of output torque, 1 output torque of engine is the lower limit value T1, by
Torque needed for the engine 1 provides the hybrid vehicle and the generator 2 is driven to generate electricity.
The torque T 0 needed for the hybrid vehicle drives, which is greater than or equal in 1 high efficiency region of engine, to be exported
When the upper limit value T2 of torque, 1 output torque of engine is the upper limit value T2, by the engine 1 and the motor 4
Torque needed for the mixed dynamic power vehicle is provided jointly.
The output torque in 1 high efficiency region of engine of torque T 0 needed for the hybrid vehicle drives
When between lower limit value T1 and upper limit value T2,1 output torque of engine is adjusted according to current 5 charge value E of accumulator, is set in advance
Determine charge value E1, E2, wherein E1, E2 are between zero and the maximum charge value of the accumulator 5, and E1 < E2.
As the 5 charge value E≤E1 of accumulator, 1 output torque of engine is 1 high efficiency region of engine
The upper limit value T2 of interior output torque, torque needed for providing the hybrid vehicle as the engine 1 and drives the hair
Motor 2 generates electricity.
As the 5 charge value E >=E1 of accumulator, 1 output torque of engine is 1 high efficiency region of engine
The lower limit value T1 of interior output torque, torsion needed for providing the mixed dynamic power vehicle jointly with the motor 4 as the engine 1
Square.
When the 5 charge value E of accumulator is between E1 and E2,1 output torque of engine is that the mixing is dynamic
Torque T 0 needed for power automobile, torque needed for the mixed dynamic power vehicle is provided separately as the engine 1.
For for exemplary embodiment of the invention, it should be understood that be in the protection scope of claims of the present invention
A certain kind demonstrative example therein has the guiding effect that those skilled in the art are realized with corresponding technical solution, and
Non- limitation of the invention.
Claims (10)
1. a kind of hybrid vehicle energy outgoing management method, the hybrid vehicle include engine, generator, speed change
Device, motor, the engine, generator, speed changer, motor are sequentially connected, after the motor output end connection vehicle
Bridge, the engine drive jointly with the motor, which is characterized in that and the engine always works in high efficiency region,
The output torque range of the engine is in its high efficiency region, and the output torque of the engine is according to the hybrid power
The adjustment of torque needed for Automobile drive.
2. hybrid vehicle energy outgoing management method according to claim 1, which is characterized in that the hybrid power
Automobile further includes accumulator, and the accumulator is connect with the motor, generator, and the accumulator provides the motor fortune
The electric energy that power needed for turning and the storage electrical power generators generate.
3. hybrid vehicle energy outgoing management method according to claim 2, which is characterized in that the accumulator is
Energy type accumulator.
4. hybrid vehicle energy outgoing management method according to claim 3, which is characterized in that the accumulator is
Power battery.
5. hybrid vehicle energy outgoing management method according to claim 1, which is characterized in that when the mixing is dynamic
It is described to start when torque needed for power Automobile drive is less than or equal to the lower limit value of output torque in engine high-efficiency rate region
Machine output torque is the lower limit value, torque needed for providing the hybrid vehicle as the engine and drives the hair
Electric power generation.
6. hybrid vehicle energy outgoing management method according to claim 1, which is characterized in that when the mixing is dynamic
It is described to start when torque needed for power Automobile drive is greater than or equal to the upper limit value of output torque in engine high-efficiency rate region
Machine output torque is the upper limit value, torsion needed for providing the mixed dynamic power vehicle jointly as the engine and the motor
Square.
7. hybrid vehicle energy outgoing management method according to claim 2, which is characterized in that when the mixing is dynamic
When torque needed for power Automobile drive is between the lower limit value and upper limit value of output torque in engine high-efficiency rate region, institute
Engine output torque is stated to be adjusted according to current accumulator charge value E.
8. hybrid vehicle energy outgoing management method according to claim 7, which is characterized in that preset electricity
Value E1, E2, wherein E1, E2 are between zero and the accumulator maximum charge value, and E1 < E2, as the accumulator charge value E
When≤E1, the engine output torque is the upper limit value of output torque in engine high-efficiency rate region, is started by described
Torque needed for machine provides the hybrid vehicle and drive the electrical power generators.
9. hybrid vehicle energy outgoing management method according to claim 8, which is characterized in that when the accumulator
When charge value E >=E1, the engine output torque is the lower limit value of output torque in engine high-efficiency rate region, by institute
It states engine and the motor provides the torque needed for mixing dynamic power vehicle jointly.
10. hybrid vehicle energy outgoing management method according to claim 9, which is characterized in that when the energy storage
When device charge value E is between E1 and E2, the engine output torque is torque needed for the hybrid vehicle, by described
Torque needed for the mixed dynamic power vehicle is provided separately in engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416876.8A CN108973977A (en) | 2017-06-02 | 2017-06-02 | A kind of hybrid vehicle energy outgoing management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416876.8A CN108973977A (en) | 2017-06-02 | 2017-06-02 | A kind of hybrid vehicle energy outgoing management method |
Publications (1)
| Publication Number | Publication Date |
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| CN108973977A true CN108973977A (en) | 2018-12-11 |
Family
ID=64502124
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710416876.8A Pending CN108973977A (en) | 2017-06-02 | 2017-06-02 | A kind of hybrid vehicle energy outgoing management method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371104A (en) * | 2019-07-30 | 2019-10-25 | 江铃控股有限公司 | Energy-storage buffering control method and control system |
| CN111688660A (en) * | 2019-03-12 | 2020-09-22 | 北京汽车动力总成有限公司 | Control method and device for hybrid electric vehicle |
| CN111959293A (en) * | 2020-08-31 | 2020-11-20 | 中车青岛四方车辆研究所有限公司 | Motor torque limit value calculation method of double-motor planet row hybrid drive system |
-
2017
- 2017-06-02 CN CN201710416876.8A patent/CN108973977A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688660A (en) * | 2019-03-12 | 2020-09-22 | 北京汽车动力总成有限公司 | Control method and device for hybrid electric vehicle |
| CN110371104A (en) * | 2019-07-30 | 2019-10-25 | 江铃控股有限公司 | Energy-storage buffering control method and control system |
| CN111959293A (en) * | 2020-08-31 | 2020-11-20 | 中车青岛四方车辆研究所有限公司 | Motor torque limit value calculation method of double-motor planet row hybrid drive system |
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Application publication date: 20181211 |