CN105922986A - Range-extending type electric vehicle and mode switching control method and system thereof - Google Patents
Range-extending type electric vehicle and mode switching control method and system thereof Download PDFInfo
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- CN105922986A CN105922986A CN201610349224.2A CN201610349224A CN105922986A CN 105922986 A CN105922986 A CN 105922986A CN 201610349224 A CN201610349224 A CN 201610349224A CN 105922986 A CN105922986 A CN 105922986A
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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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
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
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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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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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
- Y02T10/62—Hybrid vehicles
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a range-extended electric automobile and a mode switching control method and system thereof, wherein the range-extended electric automobile comprises a driving motor and a range extender consisting of a generator and an engine, and the method comprises the following steps: acquiring an accelerator pedal signal and a brake pedal signal of the electric automobile; carrying out torque demand analysis on the accelerator pedal signal and the brake pedal signal to obtain the demand torque of the driving motor, and obtaining the demand power of the electric automobile according to the demand torque of the driving motor; detecting the SOC of a power battery of the electric automobile, and acquiring the current speed of the electric automobile; the mode switching control is carried out on the electric automobile according to the SOC of the power battery, the current speed of the electric automobile and the required power of the electric automobile, so that the oil consumption and the NVH performance of the extended range type electric automobile are comprehensively considered, the oil consumption is reduced, and the driving comfort is improved.
Description
Technical field
The present invention relates to automobile technical field, particularly to mode switch control method, the one of a kind of stroke-increasing electric automobile
The mode switching control system of stroke-increasing electric automobile and a kind of stroke-increasing electric automobile.
Background technology
In correlation technique, the holding pattern that automobile uses is simple Power following, at numerous operating points, electromotor
Rate of fuel consumption is not better than orthodox car electromotor, it is impossible to fully demonstrate the advantage of hybrid vehicle.
Further, the increasing journey Schema control strategy of current automobile employing is many works in a certain constant power point based on electromotor, right
The impact of NVH (Noise, Vibration, Harshness, noise, vibration and sound vibration roughness) performance is compared fixing,
And car load NVH performance is relevant with speed, thus produce bigger vibration and noise when automobile can be caused to run at a low speed, to whole
The comfortableness that car is driven produces certain impact.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, the first of the present invention purpose is to propose the mode switch control method of a kind of stroke-increasing electric automobile, the party
Method can be according to electrokinetic cell SOC (State of Charge, state-of-charge), the current vehicle speed of electric automobile and electronic vapour
The demand power of car carries out pattern switching control to electric automobile, thus considers oil consumption and the NVH of stroke-increasing electric automobile
Performance, reduces oil consumption, improves the purpose of driver comfort simultaneously.
The second object of the present invention is to propose the mode switching control system of a kind of stroke-increasing electric automobile.
The third object of the present invention is to propose a kind of stroke-increasing electric automobile.
For achieving the above object, first aspect present invention embodiment proposes the pattern switching control of a kind of stroke-increasing electric automobile
Method, described stroke-increasing electric automobile includes the distance increasing unit driving motor, being made up of electromotor and electromotor, described method bag
Include following steps: obtain accelerator pedal signal and the brake pedal signal of electric automobile；To described accelerator pedal signal and braking
Pedal signal carries out torque demand and resolves to obtain the demand torque of described driving motor, and according to the demand of described driving motor
Moment of torsion obtains the demand power of described electric automobile；Detect the electrokinetic cell SOC of described electric automobile, and obtain described electronic
The current vehicle speed of automobile；According to described electrokinetic cell SOC, the current vehicle speed of described electric automobile and the need of described electric automobile
Ask power that described electric automobile is carried out pattern switching control.
The mode switch control method of stroke-increasing electric automobile according to embodiments of the present invention, first obtains the throttle of electric automobile
Pedal signal and brake pedal signal, and accelerator pedal signal and brake pedal signal are carried out torque demand resolve with obtain drive
The demand torque of galvanic electricity machine, and the demand power of electric automobile is obtained according to the demand torque driving motor, then detect electricity
The electrokinetic cell SOC of electrical automobile, and obtain the current vehicle speed of electric automobile, finally according to electrokinetic cell SOC, electric automobile
The demand power of current vehicle speed and electric automobile carries out pattern switching control to electric automobile, thus it is electronic to consider extended-range
The oil consumption of automobile and NVH performance, reduce oil consumption, improves the purpose of driver comfort simultaneously.
It addition, can also have following additional skill according to the mode switch control method of the above-mentioned stroke-increasing electric automobile of the present invention
Art feature:
In one embodiment of the invention, according to described electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electricity
The demand power of electrical automobile carries out pattern switching control to described electric automobile, including: judge the current vehicle of described electric automobile
Whether speed is less than the critical speed preset；If the current vehicle speed of described electric automobile is less than described default critical speed, then
Control described electric automobile ingoing power model-following control pattern, so that the generated output of described distance increasing unit meets described electric automobile
Demand power.
In one embodiment of the invention, when the current vehicle speed of described electric automobile is more than or equal to described default critical speed
Time, according to the demand power of described electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electric automobile to described
Electric automobile carries out pattern switching control, also includes: controls described electromotor and works in default Optimum Economic interval, and sentences
The power that the demand power of disconnected described electric automobile is the most corresponding more than described default Optimum Economic interval；If it is described electronic
The power that the demand power of automobile is corresponding more than described default Optimum Economic interval, then determine whether described electrokinetic cell SOC
Whether less than the first preset value；If described electrokinetic cell SOC is less than the first preset value, then controls described electric automobile and enter
Described power model-following control pattern；If described electrokinetic cell SOC is more than or equal to described first preset value, then control described electricity
Electrical automobile enters and jointly drives control model, so that electrokinetic cell electric discharge drives motor described in distance increasing unit generating co-controlling.
In one embodiment of the invention, when the demand power of described electric automobile is less than or equal to described default Optimum Economic
During interval corresponding power, according to described electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electric automobile
Demand power carries out pattern switching control to described electric automobile, also includes: judge that described electrokinetic cell SOC is whether more than the
Two preset values, wherein, described second preset value is more than described first preset value；If described electrokinetic cell SOC is more than described
Second preset value, then control described electric automobile and enter described power model-following control pattern；If described electrokinetic cell SOC is little
In equal to described second preset value, then control described electric automobile and enter driving charging control model, so that distance increasing unit generating control
Make while described driving motor to power battery charging.
For achieving the above object, second aspect present invention embodiment proposes the pattern switching control of a kind of stroke-increasing electric automobile
System, described stroke-increasing electric automobile includes the distance increasing unit driving motor, being made up of electromotor and electromotor, described system bag
Including: battery manager, described battery manager is for detecting the electrokinetic cell SOC of described electric automobile；Engine controller,
Described engine controller is connected with described electromotor；Engine controller, described engine controller and described electromotor phase
Even；Drive motor controller, described drive motor controller is connected with described driving motor；Entire car controller, described car load
Controller carries out communication with described battery manager, described engine controller and described engine controller respectively, described whole
Being integrated with the hybrid power control module being connected with described drive motor controller in vehicle controller, described entire car controller is used for
Obtain accelerator pedal signal and brake pedal signal, the current vehicle speed of described electric automobile of electric automobile, and to described throttle
Pedal signal and brake pedal signal carry out torque demand and resolve to obtain the demand torque of described driving motor, and according to institute
State the demand power driving the demand torque of motor to obtain described electric automobile, and according to described electrokinetic cell SOC, described electricity
Described electromotor is entered by the current vehicle speed of electrical automobile and the demand power of described electric automobile respectively by described engine controller
Row is controlled, is controlled and by described drive motor controller described electromotor to described by described engine controller
Driving motor is controlled, so that described electric automobile is carried out pattern switching control.
The mode switching control system of stroke-increasing electric automobile according to embodiments of the present invention, battery manager detection electric automobile
Electrokinetic cell SOC, entire car controller obtains the accelerator pedal signal of electric automobile and brake pedal signal, electric automobile
Current vehicle speed, and accelerator pedal signal and brake pedal signal are carried out torque demand parsing to obtain the demand torsion driving motor
Square, and the demand power of electric automobile is obtained according to the demand torque driving motor, and according to electrokinetic cell SOC, electronic
The current vehicle speed of automobile and electromotor is controlled by the demand power of electric automobile respectively by engine controller, by send out
Electromotor is controlled and by hybrid power control module to driving motor to be controlled, with to electronic vapour by motivation controller
Car carries out pattern switching control, thus considers oil consumption and the NVH performance of stroke-increasing electric automobile, reduces oil consumption,
Improve the purpose of driver comfort simultaneously.
The mode switching control system of above-mentioned stroke-increasing electric automobile can also have a following additional technical characteristic:
In one embodiment of the invention, whether described entire car controller is additionally operable to judge the current vehicle speed of described electric automobile
Less than the critical speed preset, and control described when the current vehicle speed of described electric automobile is less than described default critical speed
Electric automobile ingoing power model-following control pattern, so that the generated output of described distance increasing unit meets the demand merit of described electric automobile
Rate.
In one embodiment of the invention, when the current vehicle speed of described electric automobile is more than or equal to described default critical speed
Time, described entire car controller is additionally operable to work in default Optimum Economic by electromotor described in described engine controller controls
Interval, and judge whether the demand power of described electric automobile is more than the power that described default Optimum Economic interval is the most corresponding, with
And determine whether described when the demand power of described electric automobile is more than power corresponding to described default Optimum Economic interval
Whether electrokinetic cell SOC is less than the first preset value, wherein, if described electrokinetic cell SOC is less than the first preset value, described
Entire car controller then controls described electric automobile and enters described power model-following control pattern；If described electrokinetic cell SOC is more than
Equal to described first preset value, described entire car controller then controls the entrance of described electric automobile and jointly drives control model, so that
Electrokinetic cell electric discharge drives motor described in distance increasing unit generating co-controlling.
In one embodiment of the invention, when the demand power of described electric automobile is less than or equal to described default Optimum Economic
During interval corresponding power, described entire car controller be additionally operable to judge described electrokinetic cell SOC whether more than the second preset value,
Wherein, described second preset value is more than described first preset value, if described electrokinetic cell SOC is more than described second preset value,
Described entire car controller then controls described electric automobile and enters described power model-following control pattern；If described electrokinetic cell SOC
Less than or equal to described second preset value, described entire car controller then controls described electric automobile and enters driving charging control model,
So that to power battery charging while driving motor described in distance increasing unit Generation Control.
To achieve these goals, third aspect present invention embodiment proposes a kind of stroke-increasing electric automobile and includes: the present invention
The mode switching control system of the stroke-increasing electric automobile of second aspect embodiment.
The stroke-increasing electric automobile of the embodiment of the present invention, by the mode switching control system of above-mentioned stroke-increasing electric automobile, combines
Close oil consumption and the NVH performance considering stroke-increasing electric automobile, reduce oil consumption, improve the purpose of driver comfort simultaneously.
The advantage of the aspect that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the flow chart of the mode switch control method of stroke-increasing electric automobile according to an embodiment of the invention.
Fig. 2 is the flow chart of the mode switch control method of stroke-increasing electric automobile in accordance with another embodiment of the present invention.
Fig. 3 is the flow chart of the mode switch control method of the stroke-increasing electric automobile according to another embodiment of the present invention.
Fig. 4 is the flow chart of the mode switch control method of the stroke-increasing electric automobile according to one concrete example of the present invention.
Fig. 5 is the block diagram of the mode switching control system of stroke-increasing electric automobile according to an embodiment of the invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
The stroke-increasing electric automobile proposed according to embodiments of the present invention and pattern switching control side thereof are described with reference to the accompanying drawings
Method and system.
Fig. 1 is the flow chart of the mode switch control method of stroke-increasing electric automobile according to an embodiment of the invention.At this
In inventive embodiment, stroke-increasing electric automobile includes the distance increasing unit driving motor, being made up of electromotor and electromotor.
As it is shown in figure 1, the mode switch control method of this stroke-increasing electric automobile comprises the following steps:
S1, obtains accelerator pedal signal and the brake pedal signal of electric automobile.
Specifically, the accelerator pedal signal of electric automobile can be obtained by accelerator pedal sensor, and sensed by brake pedal
Device obtains the brake pedal signal of electric automobile.
S2, carries out torque demand and resolves to obtain the demand torque driving motor accelerator pedal signal and brake pedal signal,
And the demand power of electric automobile is obtained according to the demand torque driving motor.
S3, the electrokinetic cell SOC of detection electric automobile, and obtain the current vehicle speed of electric automobile.
Specifically, can by the electrokinetic cell SOC of battery manager detection electric automobile, and be obtained electronic by vehicle speed sensor
The current vehicle speed of automobile.
S4, carries out mould according to the demand power of electrokinetic cell SOC, the current vehicle speed of electric automobile and electric automobile to electric automobile
Formula switching control.
In one embodiment of the invention, as in figure 2 it is shown, according to electrokinetic cell SOC, the current vehicle speed of electric automobile and electricity
The demand power of electrical automobile carries out pattern switching control to electric automobile, it may include following steps:
S41, it is judged that whether the current vehicle speed of electric automobile is less than the critical speed preset.Wherein, the critical speed preset is permissible
Demarcate according to practical situation.
S42, if the current vehicle speed of electric automobile is less than the critical speed preset, then controls electric automobile ingoing power and follows control
Molding formula, so that the generated output of distance increasing unit meets the demand power of electric automobile.
Specifically, can judge that whether the current vehicle speed of electric automobile is less than critical speed V1 by entire car controller.If it is determined that
Current vehicle speed is less than critical speed V1, then explanation electric automobile is in low-speed running state, mainly considers the impact of NVH,
Vehicle control unit controls electric automobile ingoing power model-following control pattern.After electric automobile ingoing power model-following control pattern,
Distance increasing unit by according to electric automobile demand torque number control generated energy number, i.e. the generated energy of distance increasing unit is equal to electronic
Power demand during running car, to reduce the load point of the electromotor of distance increasing unit, thus reduces vibration noise, and then improves
NVH performance.Drive traveling owing to the generated energy of distance increasing unit supplies car load just, do not produce extra electricity, the most do not consume electricity
The electricity of electrical automobile medium power battery, thus the electricity of battery in electric automobile can be maintained.
It is to be appreciated that after electric automobile ingoing power model-following control pattern, the electromotor of distance increasing unit may not work in
Optimum Economic is interval, and wherein, Optimum Economic interval refers to the optimum condition region that electromotor works, and works in this region,
The rate of fuel consumption of electromotor is minimum.
S43, if the current vehicle speed of electric automobile is more than or equal to the critical speed preset, then controls electromotor and works in default
Optimum Economic interval, and judge the power that the demand power of electric automobile is the most corresponding more than the Optimum Economic interval preset.
Wherein, the Optimum Economic interval preset can be demarcated according to practical situation.
Specifically, if the current vehicle speed of electric automobile is more than or equal to the critical speed preset, then explanation electric automobile is in
High-speed travel state, now the load point of the electromotor of distance increasing unit is relatively low, and the vibration noise impact of generation is more weak, and electromotor can
Work in high rotating speed power interval.That is, when electric automobile is in high-speed travel state, electromotor will be operate in Optimum Economic
Interval, now the generated output of distance increasing unit is different from the actual power demand of electric automobile, needs to judge, wherein, when
When judging the generated energy surplus of distance increasing unit, power battery charging can be given；When judging generated energy deficiency, can be by electrokinetic cell
Mend electricity.
S44, if the power that the demand power of electric automobile is corresponding more than the Optimum Economic interval preset, then determines whether to move
Whether power battery SOC is less than the first preset value.Wherein, the first preset value can be demarcated according to practical situation.
S45, if electrokinetic cell SOC is less than the first preset value, then controls electric automobile ingoing power model-following control pattern.
Specifically, when electric automobile is in high-speed travel state, if the demand power of electric automobile is more than the optimum preset
Economic interval corresponding power, and electrokinetic cell SOC is less than the first preset value, then can control electric automobile ingoing power and follow
Control model, now electromotor works in default Optimum Economic interval to reduce rate of fuel consumption.Wherein, the first preset value is permissible
It is electrokinetic cell low electricity threshold value, when electrokinetic cell SOC is less than electric automobile power battery low electricity threshold value, power
Battery SOC needs promptly to mend electricity, and can not discharge under normal circumstances, in order to avoid causing transient discharge to endanger power current
In the life-span in pond, thus the first preset value can be to prevent electrokinetic cell overdischarge from arranging, and is used for protecting electrokinetic cell.
S46, if electrokinetic cell SOC is more than or equal to the first preset value, then controls electric automobile entrance and jointly drives control model,
So that electrokinetic cell electric discharge drives motor with distance increasing unit generating co-controlling.
Specifically, if electrokinetic cell SOC is more than or equal to electrokinetic cell low electricity threshold value, then can control electric automobile and enter
Jointly driving control model, now electromotor works in Optimum Economic interval, when generated energy is not enough to for driving motor, lacks
Few electricity is then supplemented by electrokinetic cell.
In one embodiment of the invention, as it is shown on figure 3, work as the demand power of electric automobile less than or equal to the optimum preset
During economic interval corresponding power, according to electrokinetic cell SOC, the current vehicle speed of electric automobile and the demand power of electric automobile
Electric automobile is carried out pattern switching control, can comprise the further steps of:
S47, it is judged that whether electrokinetic cell SOC is more than the second preset value, wherein, the second preset value is more than the first preset value, the
Two preset values can be demarcated according to practical situation.
S48, if electrokinetic cell SOC is more than the second preset value, then controls electric automobile ingoing power model-following control pattern.
Specifically, when electric automobile is in and runs at high speed, if the demand power of electric automobile is more than the Optimum Economic preset
Interval corresponding power, and electrokinetic cell SOC is more than the second preset value, then can control electric automobile ingoing power model-following control
Pattern, now electromotor works in default Optimum Economic interval to reduce rate of fuel consumption.Wherein, the second preset value can be
Power battery height electricity threshold value, when electrokinetic cell SOC is more than electric automobile power battery height electricity threshold value, electrokinetic cell
SOC does not charges at needs, in order to avoid causing the life-span of surcharge harm electrokinetic cell.Thus the second preset value can be anti-stop
Power battery overcharge and arrange, be used for protecting electrokinetic cell.
S49, if electrokinetic cell SOC is less than or equal to the second preset value, then controls electric automobile and enters driving charging control model,
So that giving power battery charging while distance increasing unit Generation Control driving motor.
Specifically, now generator operation is interval in Optimum Economic, and after electric automobile enters and drives charging control model,
The electricity that electromotor produces is mainly used in controlling to drive motor, and is used for remaining electricity entering to the electrokinetic cell of electric automobile
Row charging, thus avoid unnecessary energy waste, improve Consumer's Experience.
To sum up, in an embodiment of the present invention, the critical speed that power vehicle can be preset carries out operating mode judgement for foundation, when
Electric automobile uses power model-following control pattern when being in low cruise, improves NVH performance, when electric automobile is in fortune at a high speed
During row, the electromotor Optimum Economic interval that works in as much as possible is to improve fuel economy.According to operator torque demands and
Electrokinetic cell SOC, provides optimal control policy, and when torque demand, more than economic power generation, (electromotor works in Optimum Economic district
Between electricity) time, electrokinetic cell output electricity be used for driving motor, when torque demand less than economic power generation time, unnecessary electricity
Amount is stored in electrokinetic cell.
In order to make those skilled in the art more clearly understand, the present invention, Fig. 4 are the extended-ranges according to one concrete example of the present invention
The flow chart of the mode switch control method of electric automobile.As shown in Figure 4, the pattern switching control side of stroke-increasing electric automobile
Method can comprise the following steps that
S101, electric automobile enters and increases journey pattern.
S102, it is judged that whether the current vehicle speed of electric automobile is less than preset threshold speed.If it is, perform step S103；As
The most no, perform step S104.
S103, electric automobile ingoing power model-following control pattern.
S104, it is interval that electromotor works in default Optimum Economic.
S105, it is judged that whether the demand power of electric automobile is more than the Optimum Economic interval power preset.If it is, perform step
Rapid S106；If it does not, perform step S109.
S106, it is judged that whether electric automobile medium power battery SOC is less than the first preset value.If it is, perform step S107；
If it does not, perform step S108.
S107, electric automobile ingoing power model-following control pattern.
S108, electric automobile enters and jointly drives control model.
S109, it is judged that whether electric automobile power battery SOC is more than the second preset value.If it is, perform step S110；As
The most no, perform step S111.
S110, electric automobile ingoing power model-following control pattern.
S111, electric automobile enters and drives charging control model.
The mode switch control method of stroke-increasing electric automobile according to embodiments of the present invention, first obtains the throttle of electric automobile
Pedal signal and brake pedal signal, and accelerator pedal signal and brake pedal signal are carried out torque demand resolve with obtain drive
The demand torque of galvanic electricity machine, and the demand power of electric automobile is obtained according to the demand torque driving motor, then detect electricity
The electrokinetic cell SOC of electrical automobile, and obtain the current vehicle speed of electric automobile, finally according to electrokinetic cell SOC, electric automobile
The demand power of current vehicle speed and electric automobile carries out pattern switching control to electric automobile, thus it is electronic to consider extended-range
The oil consumption of automobile and NVH performance, reduce oil consumption, improves the purpose of driver comfort simultaneously.
Fig. 5 is the block diagram of the mode switching control system of stroke-increasing electric automobile according to an embodiment of the invention.
In an embodiment of the present invention, stroke-increasing electric automobile includes driving motor 20, being made up of electromotor 11 and electromotor 12
Distance increasing unit 10.
As it is shown in figure 5, the mode switching control system of this stroke-increasing electric automobile includes: battery manager 100, electromotor control
Device 200 processed, engine controller 300, entire car controller 400 and drive motor controller 500.
Wherein, battery manager 100 is for detecting the electrokinetic cell SOC of electric automobile, engine controller 200 and electromotor
11 are connected, and engine controller 300 is connected with electromotor 12.Entire car controller 400 respectively with battery manager 100, send out
Electric machine controller 200 and engine controller 300 carry out communication, be integrated with and drive motor control in entire car controller 400
The hybrid power control module 410 that device 500 is connected, entire car controller 400 is for obtaining the accelerator pedal signal of electric automobile
With brake pedal signal, the current vehicle speed of electric automobile, and accelerator pedal signal and brake pedal signal are carried out torque demand
Resolve to obtain the demand torque driving motor 20, and obtain the need of electric automobile according to the demand torque driving motor 20
Seek power, and pass through generating respectively according to the demand power of electrokinetic cell SOC, the current vehicle speed of electric automobile and electric automobile
Electromotor 11 is controlled by machine controller 200, be controlled electromotor 12 by engine controller 300 and pass through
Driving motor 20 is controlled, so that electric automobile is carried out pattern switching control by drive motor controller 500.
In one embodiment of the invention, entire car controller 400 is additionally operable to judge whether the current vehicle speed of electric automobile is less than
The critical speed preset, and control electric automobile ingoing power when the current vehicle speed of electric automobile is less than the critical speed preset
Model-following control pattern, so that the generated output of distance increasing unit 10 meets the demand power of electric automobile.Wherein, the critical car preset
Speed can be demarcated according to practical situation.
Specifically, can judge that whether the current vehicle speed of electric automobile is less than critical speed V1 by entire car controller 400.If
Judge that current vehicle speed less than critical speed V1, then illustrates that electric automobile is in low-speed running state, mainly considers NVH's
Impact, entire car controller 400 controls electric automobile ingoing power model-following control pattern.Control is followed at electric automobile ingoing power
After molding formula, distance increasing unit 10 will control the number of generated energy, i.e. distance increasing unit 10 according to the number of electric automobile demand torque
Generated energy equal to electric automobile during traveling time power demand, to reduce the load point of the electromotor of distance increasing unit 10, thus reduce
Vibration noise, and then improve NVH performance.Drive traveling owing to the generated energy of distance increasing unit 10 supplies car load just, do not produce volume
Outer electricity, does not the most consume the electricity of electric automobile medium power battery, thus can maintain the electricity of battery in electric automobile.
It is to be appreciated that after electric automobile ingoing power model-following control pattern, the electromotor 12 of distance increasing unit 10 may not
Working in Optimum Economic interval, wherein, Optimum Economic interval refers to the optimum condition region that electromotor works, in this region
Work, the rate of fuel consumption of electromotor 12 is minimum.
In one embodiment of the invention, when the current vehicle speed of electric automobile is more than or equal to the critical speed preset, car load
Controller 400 is additionally operable to control electromotor 12 by engine controller 300 and works in default Optimum Economic interval, and sentences
The power that the demand power of power-off electrical automobile is the most corresponding more than the Optimum Economic interval preset.Wherein, the Optimum Economic preset
Interval can be demarcated according to practical situation.
Specifically, if entire car controller 400 judges that the current vehicle speed of electric automobile is more than or equal to the critical speed preset,
Then explanation electric automobile is in high-speed travel state, and now the load point of the electromotor 12 of distance increasing unit 10 is relatively low, shaking of generation
Moving noise impact is more weak, and electromotor 12 is operable with high rotating speed power interval.That is, it is in high-speed travel state when electric automobile
Time, it is interval that electromotor 12 will be operate in Optimum Economic, now the generated output of distance increasing unit 10 and the actual power of electric automobile
Demand is different, needs to judge, wherein, when judging the generated energy surplus of distance increasing unit 10, can give power battery charging；
When judging generated energy deficiency, electricity can be mended by electrokinetic cell.
Further, can sentence further when the power that the demand power of electric automobile is corresponding more than the Optimum Economic interval preset
Whether disconnected electrokinetic cell SOC is less than the first preset value, if electrokinetic cell SOC is less than the first preset value, entire car controller 400
Then control electric automobile ingoing power model-following control pattern.Wherein, the first preset value can be demarcated according to practical situation.
Specifically, when electric automobile is in high-speed travel state, if the demand power of electric automobile is more than the optimum preset
Economic interval corresponding power, and electrokinetic cell SOC is less than the first preset value, entire car controller 400 then can control electronic vapour
Car ingoing power model-following control pattern, now electromotor 12 works in default Optimum Economic interval to reduce rate of fuel consumption.Wherein,
First preset value can be electrokinetic cell low electricity threshold value, when electrokinetic cell SOC is less than the low electricity of electric automobile power battery
During threshold value, electrokinetic cell SOC needs promptly to mend electricity, and can not discharge under normal circumstances, in order to avoid causing transition
In the life-span of electric discharge harm electrokinetic cell, thus the first preset value can be to prevent electrokinetic cell overdischarge from arranging, and is used for protecting dynamic
Power battery.
Further, if electrokinetic cell SOC is more than or equal to the first preset value, entire car controller 400 then controls electronic vapour
Car enters and jointly drives control model, so that electrokinetic cell electric discharge and distance increasing unit 10 generate electricity, co-controlling drives motor 20.
Specifically, if electrokinetic cell SOC is more than or equal to electrokinetic cell low electricity threshold value, entire car controller 400 is the most controlled
Electric automobile processed enters and jointly drives control model, and now electromotor 12 works in Optimum Economic interval, when generated energy is not enough to
For driving motor 20, the electricity lacked then is supplemented by electrokinetic cell.
In one embodiment of the invention, corresponding less than or equal to the Optimum Economic interval preset when the demand power of electric automobile
Power time, entire car controller 400 be additionally operable to judge electrokinetic cell SOC whether more than the second preset value, wherein, second is pre-
If value is more than the first preset value, if electrokinetic cell SOC is more than the second preset value, entire car controller 400 then controls electronic vapour
Car ingoing power model-following control pattern.Wherein, the second preset value can be demarcated according to practical situation
Specifically, when electric automobile is in and runs at high speed, if the demand power of electric automobile is more than the Optimum Economic preset
Interval corresponding power, and electrokinetic cell SOC is more than the second preset value, entire car controller 400 then can control electric automobile and enter
Entering power model-following control pattern, now electromotor 12 works in default Optimum Economic interval to reduce rate of fuel consumption.Wherein,
Two preset values can be electrokinetic cell height electricity threshold value, when electrokinetic cell SOC is more than electric automobile power battery height electricity door
During limit value, electrokinetic cell SOC does not charges at needs, in order to avoid causing the life-span of surcharge harm electrokinetic cell.Thus second
Preset value can be to prevent electrokinetic cell overcharge from arranging, and is used for protecting electrokinetic cell.
Further, if electrokinetic cell SOC is less than or equal to the second preset value, entire car controller 400 then controls electric automobile
Enter and drive charging control model, so that giving power battery charging while distance increasing unit 10 Generation Control driving motor 20.
Specifically, now to work in Optimum Economic interval for electromotor 12, and electric automobile enter drive charging control model it
After, the electricity that electromotor 12 produces is mainly used in controlling to drive motor 20, and is used for remaining electricity to electric automobile
Electrokinetic cell is charged, thus avoids unnecessary energy waste, improves Consumer's Experience.
To sum up, in an embodiment of the present invention, the critical speed that entire car controller 400 can be preset carries out operating mode for foundation and sentences
Disconnected, use power model-following control pattern when electric automobile is in low cruise, improve NVH performance, when electric automobile is in
During high-speed cruising, the electromotor 12 Optimum Economic interval that works in as much as possible is to improve fuel economy.Turn round according to driver
Square demand and electrokinetic cell SOC, provide optimal control policy, and when torque demand, more than economic power generation, (electromotor 12 works in
Optimum Economic interval electricity) time, electrokinetic cell output electricity is used for driving motor, when torque demand is less than economic power generation,
Unnecessary electricity is stored in electrokinetic cell.
The mode switching control system of stroke-increasing electric automobile according to embodiments of the present invention, battery manager detection electric automobile
Electrokinetic cell SOC, entire car controller obtains the accelerator pedal signal of electric automobile and brake pedal signal, electric automobile
Current vehicle speed, and accelerator pedal signal and brake pedal signal are carried out torque demand parsing to obtain the demand torsion driving motor
Square, and the demand power of electric automobile is obtained according to the demand torque driving motor, and according to electrokinetic cell SOC, electronic
The current vehicle speed of automobile and electromotor is controlled by the demand power of electric automobile respectively by engine controller, by send out
Electromotor is controlled and by hybrid power control module to driving motor to be controlled, with to electronic vapour by motivation controller
Car carries out pattern switching control, thus considers oil consumption and the NVH performance of stroke-increasing electric automobile, reduces oil consumption,
Improve the purpose of driver comfort simultaneously.
In order to realize above-described embodiment, the present invention also proposes a kind of stroke-increasing electric automobile, and it includes the electronic vapour of above-mentioned extended-range
The mode switching control system of car.
The stroke-increasing electric automobile of the embodiment of the present invention, by the mode switching control system of above-mentioned stroke-increasing electric automobile, combines
Close oil consumption and the NVH performance considering stroke-increasing electric automobile, reduce oil consumption, improve the purpose of driver comfort simultaneously.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
" outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute
The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
Bright restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability
The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (9)
1. the mode switch control method of a stroke-increasing electric automobile, it is characterised in that described stroke-increasing electric automobile includes
The distance increasing unit drive motor, being made up of electromotor and electromotor, said method comprising the steps of:
Obtain accelerator pedal signal and the brake pedal signal of electric automobile；
Described accelerator pedal signal and brake pedal signal are carried out torque demand and resolves the demand torsion to obtain described driving motor
Square, and the demand power of described electric automobile is obtained according to the demand torque of described driving motor；
Detect the electrokinetic cell SOC of described electric automobile, and obtain the current vehicle speed of described electric automobile；
Demand power according to described electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electric automobile is to described electricity
Electrical automobile carries out pattern switching control.
2. the mode switch control method of stroke-increasing electric automobile as claimed in claim 1, it is characterised in that according to described
Described electric automobile is carried out by the demand power of electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electric automobile
Pattern switching control, including:
Judge that whether the current vehicle speed of described electric automobile is less than the critical speed preset；
If the current vehicle speed of described electric automobile is less than described default critical speed, then controls described electric automobile and enter merit
Rate model-following control pattern, so that the generated output of described distance increasing unit meets the demand power of described electric automobile.
3. the mode switch control method of stroke-increasing electric automobile as claimed in claim 2, it is characterised in that when described electricity
When the current vehicle speed of electrical automobile is more than or equal to described default critical speed, according to described electrokinetic cell SOC, described electronic vapour
The current vehicle speed of car and the demand power of described electric automobile carry out pattern switching control to described electric automobile, also include:
Control described electromotor and work in default Optimum Economic interval, and judge that the demand power of described electric automobile is the biggest
In the power that described default Optimum Economic interval is corresponding；
If the power that the demand power of described electric automobile is corresponding more than described default Optimum Economic interval, sentence the most further
Whether disconnected described electrokinetic cell SOC is less than the first preset value；
If described electrokinetic cell SOC is less than the first preset value, then controls described electric automobile and enter described power model-following control
Pattern；
If described electrokinetic cell SOC is more than or equal to described first preset value, then controls described electric automobile and enter common driving
Control model, so that electrokinetic cell electric discharge drives motor described in distance increasing unit generating co-controlling.
4. the mode switch control method of stroke-increasing electric automobile as claimed in claim 3, it is characterised in that when described electricity
When the demand power of electrical automobile is less than or equal to power corresponding to described default Optimum Economic interval, according to described electrokinetic cell
The demand power of SOC, the current vehicle speed of described electric automobile and described electric automobile carries out pattern switching control to described electric automobile
System, also includes:
Judge described electrokinetic cell SOC whether more than the second preset value, wherein, described second preset value is first pre-more than described
If value；
If described electrokinetic cell SOC is more than described second preset value, then controls the described electric automobile described power of entrance and follow
Control model；
If described electrokinetic cell SOC is less than or equal to described second preset value, then controls described electric automobile and enter driving charging
Control model, to power battery charging while driving motor described in distance increasing unit Generation Control.
5. the mode switching control system of a stroke-increasing electric automobile, it is characterised in that described stroke-increasing electric automobile includes
The distance increasing unit drive motor, being made up of electromotor and electromotor, described system includes:
Battery manager, described battery manager is for detecting the electrokinetic cell SOC of described electric automobile；
Engine controller, described engine controller is connected with described electromotor；
Engine controller, described engine controller is connected with described electromotor；
Drive motor controller, described drive motor controller is connected with described driving motor；
Entire car controller, described entire car controller respectively with described battery manager, described engine controller and described start
Machine controller carries out communication, is integrated with the hybrid power being connected with described drive motor controller and controls in described entire car controller
Module, described entire car controller is for obtaining accelerator pedal signal and brake pedal signal, the described electric automobile of electric automobile
Current vehicle speed, and described accelerator pedal signal and brake pedal signal are carried out torque demand resolve with obtain described drive electricity
The demand torque of machine, and the demand power of described electric automobile is obtained according to the demand torque of described driving motor, and according to
The demand power of described electrokinetic cell SOC, the current vehicle speed of described electric automobile and described electric automobile is respectively by described
Described electromotor is controlled by electric machine controller, be controlled described electromotor by described engine controller and pass through
Described driving motor is controlled by described drive motor controller, so that described electric automobile is carried out pattern switching control.
6. the mode switching control system of stroke-increasing electric automobile as claimed in claim 5, it is characterised in that described car load
Controller, is additionally operable to judge whether the current vehicle speed of described electric automobile is less than the critical speed preset, and at described electronic vapour
Described electric automobile ingoing power model-following control pattern is controlled when the current vehicle speed of car is less than described default critical speed, so that
The generated output of described distance increasing unit meets the demand power of described electric automobile.
7. the mode switching control system of stroke-increasing electric automobile as claimed in claim 6, it is characterised in that when described electricity
When the current vehicle speed of electrical automobile is more than or equal to described default critical speed, described entire car controller is additionally operable to be started by described
Machine controller controls described electromotor, and to work in default Optimum Economic interval, and judges that the demand power of described electric automobile is
The no power corresponding more than described default Optimum Economic interval, and at the demand power of described electric automobile more than described pre-
If power corresponding to Optimum Economic interval time determine whether described electrokinetic cell SOC whether less than the first preset value, wherein,
If described electrokinetic cell SOC is less than the first preset value, described entire car controller then controls described electric automobile and enters institute
State power model-following control pattern；
If described electrokinetic cell SOC is more than or equal to described first preset value, described entire car controller then controls described electronic vapour
Car enters and jointly drives control model, so that electrokinetic cell electric discharge drives motor described in distance increasing unit generating co-controlling.
8. the mode switching control system of stroke-increasing electric automobile as claimed in claim 7, it is characterised in that when described electricity
When the demand power of electrical automobile is less than or equal to power corresponding to described default Optimum Economic interval, described entire car controller is also used
In judging whether described electrokinetic cell SOC is more than the second preset value, wherein, described second preset value is preset more than described first
Value,
If described electrokinetic cell SOC is more than described second preset value, described entire car controller then controls described electric automobile and enters
Enter described power model-following control pattern；
If described electrokinetic cell SOC is less than or equal to described second preset value, described entire car controller then controls described electronic vapour
Car enters and drives charging control model, to power battery charging while driving motor described in distance increasing unit Generation Control.
9. a stroke-increasing electric automobile, it is characterised in that include the extended-range electricity as according to any one of claim 5-8
The mode switching control system of electrical automobile.
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