CN106218439B - A kind of vehicle distributed energy dynamical system and its control method - Google Patents
A kind of vehicle distributed energy dynamical system and its control method Download PDFInfo
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- CN106218439B CN106218439B CN201610827005.0A CN201610827005A CN106218439B CN 106218439 B CN106218439 B CN 106218439B CN 201610827005 A CN201610827005 A CN 201610827005A CN 106218439 B CN106218439 B CN 106218439B
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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
- B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
- B60L15/38—Control or regulation of multiple-unit electrically-propelled vehicles with automatic control
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of vehicle distributed energy dynamical system and its control methods, are related to new energy vehicle power technology field.The vehicle distributed energy dynamical system includes driving motor, battery management system and distance increasing unit group.Driving motor is used to drive the vehicle wheel rotation of vehicle；Battery management system is used to obtain the information about power of power battery pack and the control power battery pack charge and discharge, battery management system are provided with the first default power threshold and the second default power threshold；Distance increasing unit group includes at least two distance increasing units, starts the distance increasing unit when the power battery pack electricity is lower than the first default power threshold, and Xiang Suoshu vehicle provides electric energy.The present invention also provides corresponding control methods.The present invention meets different road conditions and different vehicle load matched demand with the driving method of more motors and the supply mode of multiple-energy-source, so as to improve vehicle efficiency, effective dynamic property and economy for extending electric automobile during traveling mileage, improving system.
Description
Technical field
The present invention relates to new energy vehicle power technology fields, more particularly to a kind of dynamical system of vehicle distributed energy
System and its control method.
Background technique
With rising bring energy consumption, the motor vehicle emission problem of car ownership, it is faced with the environment of China sternly
High challenge.Along with energy crisis and environment challenge, electric car is made to show the trend of accelerated development in Chinese market.Its
In, the driving method and energy resource supply mode of vehicle are also the key technology point for restricting discharge and environment.
The driving method of vehicle is mostly based on single driving currently on the market, mostly with single driving electricity in new energy vehicle
Machine drives wheel, and it is impossible to meet different road conditions, such as level road, road, slope road and different load (such as zero load, semi-load, to expire
Carry etc.) matching demand.And the energy resource supply mode of vehicle is mostly using single distance increasing unit as power source, the maximum run with vehicle
Power is matched, can not be according to traffic information and vehicle relative to the biggish vehicle of carrying capacity, such as large-scale or heavy car
The variation of load capacity and accordingly match, the utilization efficiency of system is low, causes low load with strong power phenomenon, thus be difficult to meet increasingly tight
The emission regulation demands and power conservation requirement of lattice.
Summary of the invention
It is an object of the present invention to overcome system availability existing in the prior art is low to lead to not meet discharge
And the defect of power conservation requirement, the dynamical system and its control method of a kind of vehicle distributed energy are provided.
It is another object of the present invention to overcome, system availability existing in the prior art is low to be led to not meet row
It puts and the defect of power conservation requirement, a kind of control method applied to vehicle distributed energy dynamical system is provided.
Particularly, the present invention provides a kind of vehicle distributed energy dynamical systems, for providing power, packet to vehicle
It includes:
Driving motor is mounted on the suspension of the vehicle, for driving the vehicle wheel rotation of the vehicle；
Battery management system, for obtaining information about power and the control power battery pack charge and discharge of power battery pack
Electricity, the battery management system are provided with the first default power threshold and the second default power threshold；With
Distance increasing unit group, the distance increasing unit group include at least two distance increasing units, in the power battery pack electricity lower than described
Start the distance increasing unit in the distance increasing unit group when the first default power threshold, Xiang Suoshu vehicle provides electric energy.
It further, further include entire car controller, the entire car controller passes through CAN bus and electric machine controller, increasing journey
Device group controller is connected with the battery management system, for acquiring, handling the electric machine controller, distance increasing unit group control
The information of device and the battery management system is simultaneously sent to it control instruction.
Further, the driving motor at least two, the driving motor can independently drive corresponding single
Vehicle wheel rotation.
Further, the electric machine controller quantity is equal to the number of units of the driving motor, the electric machine controller and each
The self-corresponding driving motor electrical connection and the working condition for controlling the corresponding driving motor independently of each other.
Further, the driving motor makes it in the vehicle low speed by driving the wheel after retarder torque increase
Smoothly big torque output is obtained when driving.
Particularly, the present invention also provides a kind of control method applied to the vehicle distributed energy dynamical system,
For providing power to vehicle, include the following steps:
The driving method of vehicle is arranged in S1；
The driving method of the vehicle is arranged according to vehicle load and road conditions for the entire car controller；
The power source supply mode of vehicle is arranged in S2；
The vehicle is arranged according to the power battery pack charge value and vehicle power demand values in the entire car controller
Power source supply mode.
Further, the power source supply mode of vehicle is arranged in the step S2, comprising the following steps:
S21 obtains power battery pack information about power；
The power battery that the entire car controller is obtained by the battery management system being connected in CAN bus
Group charge value；
S22, it is determined whether to enable the distance increasing units；
The power battery pack charge value obtained according to the entire car controller is compared with the first default power threshold, institute
When stating battery electric quantity value higher than the first default power threshold, the distance increasing unit is not started, the vehicle operation is in pure electricity
Under dynamic model formula；Otherwise, S23 is entered step；
S23 obtains vehicle power demand values；
According to vehicle power demand values described in vehicle accelerator pedal position acquisition, the accelerator pedal position information can pass through
The displacement sensor being mounted in the gas pedal obtains；
Distance increasing unit operating mode is arranged in S24.
Further, distance increasing unit operating mode is arranged in the step S24, comprising the following steps:
S241, when the power battery pack electricity is lower than the described first default power threshold, and the vehicle power demand
When value is greater than predetermined power threshold value, the one or more increasings of the starting of distance increasing unit group controller described in the vehicle control unit controls
Journey device, the distance increasing unit directly transport electric energy and give driving motor driving wheel operating；
S242, when the power battery pack electricity is in feed condition, and the vehicle power demand values are greater than default
When power threshold, the one or more distance increasing unit conveying electric energy of starting give driving motor driving wheel operating, while right
The power battery pack charges；When the power battery pack charges to the second preset threshold or vehicle power demand values
Lower than predetermined power threshold value, distance increasing unit group controller described in the vehicle control unit controls closes one or more increasing journeys
Device.
Vehicle distributed energy dynamical system of the invention and control method can lead to according to vehicle load and traffic information
The driving method that entire car controller realizes multi-motor driving, such as two drives, 4 wheel driven, six drives are crossed, it can also the single wheel of real-time control
Torque.And the present invention is equipped with distance increasing unit group and can be passed through according to the charge value and vehicle power demand values of power cell of vehicle group
The quantity and operating mode that distance increasing unit is opened in vehicle control unit controls distance increasing unit group, greatly improve energy power system
Dynamic property and economy, can be realized multi-motor driving and multiple-energy-source supply be combined with each other, and maximumlly utilize system effectiveness, real
Existing environmental protection and energy-efficient vehicle distributed energy dynamical system.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the dynamical system of the vehicle distributed energy of one embodiment of the invention；
Fig. 2 is the work of the control method of the dynamical system applied to vehicle distributed energy of another embodiment of the present invention
Flow chart.
Specific embodiment
Fig. 1 is the schematic diagram of the dynamical system of the vehicle distributed energy of one embodiment of the invention.Such as Fig. 1 institute
It states, the present invention provides a kind of vehicle distributed energy dynamical systems, for providing power, including driving motor 3, electricity to vehicle
Pond management system 8 and distance increasing unit group 5.Driving motor 3 is mounted on the suspension of the vehicle, for driving the wheel of the vehicle
1 rotation.Battery management system is used to obtain information about power and the control power battery pack charge and discharge of power battery pack, institute
It states battery management system 8 and is provided with the first default power threshold and the second default power threshold, the battery management system 8 wraps
Include power battery pack and power battery group controller, at least two groups of the power battery pack.Distance increasing unit group 5 includes at least two
Platform distance increasing unit starts the increasing in the distance increasing unit group when the power battery pack electricity is lower than the first default power threshold
Journey device, Xiang Suoshu vehicle provide electric energy.
Vehicle distributed energy dynamical system of the invention can be realized mostly electric according to vehicle load and traffic information
Machine driving driving method, such as two drives, 4 wheel driven, six drives, can also the single wheel of real-time control torque.And the present invention is equipped with and increases
Journey device group can control distance increasing unit in distance increasing unit group according to the charge value and vehicle power demand values of power cell of vehicle group and open
Quantity and operating mode, the power performance and economy of energy power system can be greatlyd improve.
In one embodiment, vehicle distributed energy dynamical system of the invention further includes entire car controller 7, vehicle control
Device 7 processed is connect by CAN bus with electric machine controller 4, distance increasing unit group controller 6 and the battery management system 8, for adopting
Collect, handle the electric machine controller 4, the distance increasing unit group controller 6 and the battery management system 8 information and be sent to it
Control instruction.Each electronic control unit is corresponding to control its affiliated electronic device, and electric machine controller 4 is electrically connected and right with driving motor 3
The working condition of driving motor 3 should be controlled, driving motor 3 of the invention at least two, the driving motor 3 can independently drive
The corresponding single wheel 1 rotates, can according to adhesion of wheels size such as in ice and snow or muddy ground slippery road surface
The driving moment of single wheel is controlled to control the traveling of vehicle.4 quantity of electric machine controller is equal to the driving motor 3
Number of units, electric machine controller 4 and driving motor 3 are one-to-one, the electric machine controller 4 and corresponding driving electricity
Machine 3 is electrically connected and controls independently of each other the working condition of the corresponding driving motor 3, and each electric machine controller can only
Control its corresponding driving motor.Each driving motor 3 is by driving the wheel 1 after 2 torque increase of retarder in system, make its
Smoothly big torque output is obtained when the low vehicle speeds, greatly improves the grade climbing performance of vehicle.
Motor drive mode of the invention is distributed driving method, is provided with multiple driving motors 3 in system, all
Electric machine controller, which is both electrically connected with, to be set in CAN bus, is controlled by 7 coordinating and unifying of entire car controller, can be in vehicle travel process
According to different road conditions and vehicle load situation, the driving method of multi-motor driving, such as two drives, 4 wheel driven, six drives are realized, with full
Foot difference road conditions (such as level road, road, slope road) and different vehicle load (such as zero load, is fully loaded with semi-load) matching demand, can
Low load with strong power phenomenon is avoided, makes the work of driving motor 3 in respective high efficient district, so as to improve vehicle efficiency, effectively extension
Electric automobile during traveling mileage, the dynamic property and economy for improving system.
In above-described embodiment, distance increasing unit group controller 6 is electrically connected with distance increasing unit group 5 and controls distance increasing unit in distance increasing unit group 5
Unlatching quantity and operating mode.Only one distance increasing unit group controller 6 in the system includes at least two in distance increasing unit group 5
Distance increasing unit, the distance increasing unit group controller 6 is according to the information about power of power cell of vehicle group and the first default power threshold and
The operating mode of whether distance increasing unit in two default power thresholds control distance increasing unit groups 5 open, opens quantity and distance increasing unit.
The controllable distance increasing unit opened of distance increasing unit group controller directly supplies electricity to driving motor work or fills on one side to power battery pack
Electricity supplies electricity to the work of driving motor 3 on one side.
Compared with prior art, distance increasing unit group 5, and distance increasing unit are equipped in vehicle distributed energy dynamical system of the invention
Group includes two distance increasing units, and system can pass through vehicle control according to the charge value and vehicle power demand values of power cell of vehicle group
The quantity and operating mode that distance increasing unit is opened in device control distance increasing unit group processed, make distance increasing unit always work in high efficient district, avoid
Distance increasing unit because stand-by power is big be unable to run in high efficient district the problem of, so as to improve vehicle efficiency, effectively extend electric car
Mileage travelled, the dynamic property and economy for improving system.
Fig. 2 is the work of the control method of the dynamical system applied to vehicle distributed energy of another embodiment of the present invention
Flow chart.As shown in Fig. 2, the present invention provides a kind of control method applied to the vehicle distributed energy dynamical system,
For providing power to vehicle, include the following steps:
The driving method of vehicle is arranged in S1；
The driving method of the vehicle is arranged according to vehicle load and road conditions for the entire car controller；
The power source supply mode of vehicle is arranged in S2；
The vehicle is arranged according to the power battery pack charge value and vehicle power demand values in the entire car controller
Power source supply mode.
Specifically, the power source supply mode of vehicle is arranged in the step S2, comprising the following steps:
S21 obtains power battery pack information about power；
The power battery that the entire car controller is obtained by the battery management system being connected in CAN bus
Group charge value；
S22, it is determined whether to enable the distance increasing units；
The power battery pack charge value obtained according to the entire car controller is compared with the first default power threshold, institute
When stating battery electric quantity value higher than the first default power threshold, the distance increasing unit is not started, the vehicle operation is in pure electricity
Under dynamic model formula；Otherwise, S23 is entered step；
S23 obtains vehicle power demand values；
According to vehicle power demand values described in vehicle accelerator pedal position acquisition, accelerator pedal position information can pass through installation
Displacement sensor in gas pedal obtains；
Distance increasing unit operating mode is arranged in S24.
Specifically, distance increasing unit operating mode is arranged in the step S24, comprising the following steps:
S241, when the power battery pack electricity is lower than the described first default power threshold, and the vehicle power demand
When value is greater than predetermined power threshold value, the one or more increasings of the starting of distance increasing unit group controller described in the vehicle control unit controls
Journey device, the distance increasing unit directly transport electric energy and give driving motor driving wheel operating；
S242, when the power battery pack electricity is in feed condition, and the vehicle power demand values are greater than default
When power threshold, the one or more distance increasing unit conveying electric energy of starting give driving motor driving wheel operating, while right
The power battery pack charges；When the power battery pack charges to the second preset threshold or vehicle power demand values
Lower than predetermined power threshold value, distance increasing unit group controller described in the vehicle control unit controls closes one or more increasing journeys
Device.
Distance increasing unit 5 (referring to Fig. 1) is all controlled by the power-control method of distributed energy in efficacious workaround in the present invention
Work stops in vehicle or stops when low speed the engine in distance increasing unit 5, and when engine start in distance increasing unit 5 is sent out with it
Motor drag ensure that economy and emission performance when its starting, saves fuel cost and improves environment.
The present invention meets different road conditions and different vehicle with the driving method of more motors and the supply mode of multiple-energy-source
Load matched demand, so as to improve vehicle efficiency, effective dynamic property and economy for extending electric automobile during traveling mileage, improving system
Property, it can be realized multi-motor driving and multiple-energy-source supply be combined with each other, maximumlly utilize system effectiveness, realize environmental protection and energy conservation
Vehicle distributed energy dynamical system.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (7)
1. a kind of vehicle distributed energy dynamical system, for providing power to vehicle, comprising:
Driving motor (3), is mounted on the suspension of the vehicle, for driving the wheel (1) of the vehicle to rotate, the driving
At least two, motor (3), the driving motor (3) can independently drive corresponding single wheel (1) to rotate；
Battery management system (8), for obtaining information about power and the control power battery pack charge and discharge of power battery pack,
The battery management system (8) is provided with the first default power threshold and the second default power threshold；
Displacement sensor is set at vehicle accelerator pedal, for obtaining the location information of the gas pedal of vehicle to obtain
The power demand values of vehicle；With
Distance increasing unit group (5), the distance increasing unit group (5) include at least two distance increasing units, are lower than institute in the power battery pack electricity
It states when the power demand values of the first default power threshold and the vehicle are greater than predetermined power threshold value and starts in the distance increasing unit group
Distance increasing unit, Xiang Suoshu vehicle provide electric energy.
2. vehicle distributed energy dynamical system according to claim 1, which is characterized in that further include entire car controller
(7), the entire car controller (7) passes through CAN bus and electric machine controller (4), distance increasing unit group controller (6) and the cell tube
Reason system (8) connection, for acquiring, handling the electric machine controller (4), the distance increasing unit group controller (6) and the battery
The information of management system (8) is simultaneously sent to it control instruction.
3. vehicle distributed energy dynamical system according to claim 2, which is characterized in that the electric machine controller (4)
Quantity is equal to the number of units of the driving motor (3), the electric machine controller (4) and corresponding driving motor (3) electricity
Connection and the working condition for controlling the corresponding driving motor (3) independently of each other.
4. vehicle distributed energy dynamical system according to claim 3, which is characterized in that the driving motor (3) is logical
The wheel (1) is driven after crossing retarder (2) torque increase, so that it is obtained smoothly big torque in the low vehicle speeds defeated
Out.
5. a kind of control method applied to vehicle distributed energy dynamical system of any of claims 1-4 is used
In providing power to vehicle, include the following steps:
The driving method of vehicle is arranged in S1；
The driving method of the vehicle is arranged according to vehicle load and road conditions for entire car controller；
The power source supply mode of vehicle is arranged in S2；
The dynamic of the vehicle is arranged according to the power battery pack charge value and vehicle power demand values in the entire car controller
Power energy resource supply mode.
6. control method according to claim 5, which is characterized in that the step S2, the power source that vehicle is arranged supply
To mode, comprising the following steps:
S21 obtains power battery pack information about power；
The power battery pack electricity that the entire car controller is obtained by the battery management system being connected in CAN bus
Magnitude；
S22, it is determined whether to enable the distance increasing units；
The power battery pack charge value obtained according to the entire car controller is compared with the first default power threshold, the electricity
When pond group charge value is higher than the first default power threshold, the distance increasing unit is not started, the vehicle operation is in pure electric vehicle mould
Under formula；Otherwise, S23 is entered step；
S23 obtains vehicle power demand values；
According to vehicle power demand values described in vehicle accelerator pedal position acquisition, the accelerator pedal position information can pass through installation
Displacement sensor in the gas pedal obtains；
Distance increasing unit operating mode is arranged in S24.
7. control method according to claim 6, which is characterized in that distance increasing unit operating mode is arranged in the step S24,
The following steps are included:
S241, when the power battery pack electricity is lower than the described first default power threshold, and the vehicle power demand values are big
When predetermined power threshold value, the one or more increasing journeys of the starting of distance increasing unit group controller described in the vehicle control unit controls
Device, the distance increasing unit directly transport electric energy and give driving motor driving wheel operating；
S242, when the power battery pack electricity is in feed condition, and the vehicle power demand values are greater than predetermined power
When threshold value, the one or more distance increasing unit conveying electric energy of starting give driving motor driving wheel operating, while to described
Power battery pack charges；When the power battery pack charges to the second preset threshold or vehicle power demand values are lower than
Predetermined power threshold value, distance increasing unit group controller described in the vehicle control unit controls close one or more distance increasing units.
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| CN107650692B (en) * | 2017-08-14 | 2019-10-18 | 浙江吉利新能源商用车有限公司 | Distributed power system and offroad vehicle with the system |
| CN107813672A (en) * | 2017-10-30 | 2018-03-20 | 江苏大学 | Distributed laterally interconnection air suspension control system and method |
| CN108001292B (en) * | 2018-01-09 | 2023-07-18 | 华南理工大学 | Electric system of pure electric vehicle with mixed high-voltage direct current and high-frequency alternating current |
| CN109107142B (en) * | 2018-10-17 | 2019-12-06 | 上海知此电子科技有限公司 | Electric skateboard and redundancy control method thereof |
| CN109969000B (en) * | 2019-05-08 | 2024-04-02 | 厦门市福工动力技术有限公司 | Range-extending system for pure electric vehicle |
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| CN103419675A (en) * | 2013-09-05 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Range-extended electric vehicle operation method |
| CN103879300A (en) * | 2014-01-08 | 2014-06-25 | 天津清源电动车辆有限责任公司 | Method for controlling range extender of extended-range electric vehicle |
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