CN110341498A - A kind of hub motor distribution time sharing electric automobile chassis configuration, four-drive electric car and control method - Google Patents
A kind of hub motor distribution time sharing electric automobile chassis configuration, four-drive electric car and control method Download PDFInfo
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- CN110341498A CN110341498A CN201910664322.9A CN201910664322A CN110341498A CN 110341498 A CN110341498 A CN 110341498A CN 201910664322 A CN201910664322 A CN 201910664322A CN 110341498 A CN110341498 A CN 110341498A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/42—Electrical machine applications with use of more than one motor
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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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/14—Acceleration
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of hub motor distribution time sharing electric automobile chassis configurations, four-drive electric car and control method, it includes frame assembly, first tire wheel rim assembly is provided on frame assembly, second tyre rim assembly, concentrate motor, power battery pack, entire car controller, high voltage distribution box, hub motor and heat radiator assembly, first tire wheel rim assembly is connect by drive shaft and speed changer with motor drive is concentrated, hub motor is installed on second tyre rim assembly, charger is electrically connected with high voltage distribution box, high voltage distribution box is electrically connected with the input terminal of entire car controller and power battery pack, entire car controller is electrically connected with hub motor, the output end of power battery pack is separately connected by inverter and concentrates motor and hub motor, inverter is electrically connected with high voltage distribution box.The present invention can meet different driving cycles power demands, and transmission efficiency is high.
Description
Technical field
The present invention relates to a kind of four-drive electric car chassis configurations, belong to vehicle chassis technology field, and in particular to a kind of
Hub motor distribution time sharing electric automobile chassis configuration.
Background technique
In order to cope with energy shortages, people are higher and higher to the attention rate of new-energy automobile.It is electronic in new-energy automobile
Influence of the automobile to environment is smaller with respect to transmission automobile, and its prospects are considered optimistic wildly.
Pure electric automobile is driven by motor, and integral drive system is driven by a motor, and on the one hand biggish load is big
The dimension volume for increasing motor greatly, increases the difficulty of installation；Other side electric car is in different road conditions and operating condition
Under, power needed for motor is different, and simple forerunner, rear-guard or 4 wheel driven cannot maximumlly utilize motor characteristic, make motor
Efficiency reduces.The performances such as two drive electric automobile climbing capacities are poor, and adaptation complex road condition ability is limited, and the existing energy content of battery
Density is limited, and vehicle continual mileage is short, needs larger inner space when arranging battery, riding comfort is caused to reduce.
Currently, usually there are two types of configurations for the dynamical system of electric car, one is single motors to drive vehicle (preceding bridge or rear axle
Carry and concentrate motor), another kind is Dual-motors Driving vehicle (front-rear axle respectively carries a concentration motor).
But both dynamical systems all have some disadvantages.Concentrating the dynamical system of motor driven vehicle cannot make
Motor, all on optimum efficiency curve, can not maximumlly play electric efficiency under various operating conditions；And carrying single motor needs
Consider various different operating conditions, causes power bracket, reduction ratio etc. larger, so that motor volume is big, quality weight；Bi-motor drives
The dynamical system of dynamic vehicle can make motor be in high efficient district work as far as possible, but be in low speed and power need in electric car
When asking little, vehicle is less economical if two sets of motors drive simultaneously.
Summary of the invention
To solve deficiency existing for above-mentioned technology, the present invention provides a kind of hub motor distribution time sharing electric car
Chassis configuration is, it can be achieved that chassis structure simplifies, install convenient etc., and can meet different driving cycles power demands, transmission efficiency
Height, drive mode can switch according to vehicle actual condition demand improves vehicle economy.
Include frame assembly, including frame assembly the invention discloses one kind, is provided with the first round on the frame assembly
Tire wheel rim assembly, the second tyre rim assembly concentrate motor, power battery pack, entire car controller, high voltage distribution box, wheel hub electricity
Machine and heat radiator assembly, the first tire wheel rim assembly are connect by drive shaft and speed changer with the concentration motor drive,
The hub motor is installed, the charger is electrically connected with the high voltage distribution box, institute on the second tyre rim assembly
It states high voltage distribution box to be electrically connected with the input terminal of the entire car controller and the power battery pack, the entire car controller and institute
Hub motor electrical connection is stated, the output end of the power battery pack is separately connected the concentration motor and the wheel by inverter
Hub motor, the inverter are electrically connected with the high voltage distribution box.
In a kind of preferred embodiment of the invention, the input terminal of the output end for concentrating motor and the retarder
Transmission connection, the output end of the retarder and the drive shaft are sequentially connected, the drive shaft and the first tire wheel rim
Assembly connection.
In a kind of preferred embodiment of the invention, the high voltage distribution box is electrically connected with external charge connector
Charger.
In a kind of preferred embodiment of the invention, there are three the inverters.
In a kind of preferred embodiment of the invention, front suspension assembly is provided with by the first tire wheel rim assembly.
In a kind of preferred embodiment of the invention, rear suspension assembly is provided with by the second tyre rim assembly.
The invention also discloses a kind of four-drive electric cars comprising such as claim 1-8 hub motor distribution above-mentioned
Formula time sharing electric automobile chassis configuration.
The invention also discloses a kind of control methods of four-drive electric car, are four-drive electric car above-mentioned, this four
Drive electric automobile promotes vehicle handling by vehicle coordinated torque control；Four-wheel driving electric vehicle as controlled device,
The four-wheel drive torque that vehicle control unit controls algorithm decision goes out is received to be responded；Vehicle feedback speed, acceleration, yaw angle
Speed car body state parameter provides control algolithm, and rate-determining steps include: using motor racing control algolithm, to actual cross
Pivot angle speed is controlled, and is adjusted by control algolithm, to be close to or up to ideal yaw velocity, needed for decision goes out at this time
Additional yaw moment, then pass through Torque distribution strategy, to hub motor and concentrate motor torque be allocated, realize it is pure
Electric vehicle four-wheel torque compensation and reach torque and be precisely controlled.
The operation principle of the present invention is that: when vehicle operates in running on the lower load, two hub motors of the system are independent
Vehicle is driven, the concentration motor of another bridge is closed, and is used as driven wheel, only to meet vehicle driving demand；High load capacity operating condition
When, such as traveling, when different attached road surface or climbing, two wheel hub motor drive operationals are difficult to meet demand, concentrate electricity at this time
Machine begins participating in work, opens three motor 4 wheel driven mode of doube bridge, and entire car controller is distributed to load by certain control strategy
Three motors make three motors have higher rate of load condensate；When vehicle braking, motor carries out Brake energy recovery, improves
Brake energy recovery rate, shortens braking distance.
The beneficial effects of the present invention are:
1. proposing a kind of novel electric drive chassis configuration, including two one concentration motor of preceding bridge, rear axle wheel hub electricity
Machine driving, it can be achieved that two drives/4 wheel driven mode free switching, is adapted under the premise of guaranteeing that vehicle integral power is constant
Different operating conditions, under same vehicle loading condiction, hence it is evident that improve the working efficiency of motor；
2. under damped condition, the fast response characteristic based on hub motor is easy to implement decoupling type Brake energy recovery, mentions
High vehicle security and economy；
3. vehicle drive system amount of parts can be reduced using distributed arrangement, simplifies chassis arrangement, promote lightweight
The transmission efficiency of vehicle is improved in space, reduces energy consumption, improves vehicle course continuation mileage；
4, distributed drive arrangement form can promote vehicle handling by vehicle coordinated torque control.Four-wheel drive
Electric car receives the four-wheel drive torque that vehicle control unit controls algorithm decision goes out and is responded as controlled device；Vehicle
The car bodies state parameters such as feedback speed, acceleration, yaw velocity provide control algolithm.First pass around car body state parameter and change
Amount calculates, and calculates equivalent cornering stiffness and the vertical load distribution of antero posterior axis；Then, it is designed by steering characteristic, setting is horizontal
Model- following control target of the ideal value of pivot angle speed as entire car controller.It specifically, is exactly to be controlled using motor racing
Algorithm controls actual yaw velocity, is adjusted by control algolithm, to be close to or up to ideal yaw angle speed
Degree, decision go out additional yaw moment required at this time, then pass through Torque distribution strategy, to hub motor and the power for concentrating motor
Square is allocated, and is realized pure electric vehicle four-wheel torque compensation and is reached torque and be precisely controlled.
Detailed description of the invention
Fig. 1 is the electric automobile chassis configuration schematic diagram of hub motor distribution time sharing of the present invention；
In figure: 1- front suspension assembly；2- heat radiator assembly；3- first tire wheel rim assembly；4- drive shaft；5- concentrates electricity
Machine；6- inverter；7- power battery pack；8- the second tyre rim assembly；9- hub motor；10- rear suspension assembly；11- vehicle
Controller；12- high voltage distribution box；13- charger；14- external charge interface；15- retarder；16- frame assembly.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown, a kind of electric automobile chassis configuration of hub motor distribution time sharing, including concentration motor 6,
Retarder 15, drive shaft 4, two hub motor 9, three inverter 6, high voltage distribution box 12, charger 13, external charge interface
14, power battery pack 7, entire car controller 11, heat radiator assembly 2, front suspension assembly 1, rear suspension assembly 10, first tire wheel rim
Assembly 3 and the second tyre rim assembly 8, frame assembly 16；6 output end output power of motor is concentrated to pass through retarder 15, two
Drive shaft 4 connects first tire wheel rim assembly 3 and vehicle is driven to advance；Two hub motors 9 are mounted on the second tyre rim assembly 8
On, directly drive the second tyre rim assembly 8；External charge connector 14 can be connected with external electric supply socket, charged machine 13, height
Press block terminal 12 for the charging of power battery pack 7；7 output end of power battery pack is to concentrate motor 6 and wheel by high voltage distribution box 12
Hub motor 9 provides electric energy respectively；The battery management system and inverter 7 and 12 signal of high voltage distribution box of entire car controller 11 connect
It connects, entire power drive system is controlled；Heat radiator assembly 2 is to concentrate motor 6 and cool down with hub motor 9 by water cooling；
1 connecting vehicle frame assembly 16 of front suspension assembly and first tire wheel rim assembly 3 provide steering, carrying, damping for vehicle；Rear suspension
10 connecting vehicle frame assembly 16 of assembly and the second tyre rim assembly 8 provide carrying and damping for vehicle；Frame assembly 16 is entire
Chassis structure provides support connection.
In the process of moving, according to the operating condition of vehicle, vehicle control unit controls vehicle driving is in different driving moulds for vehicle
Formula, drive mode include: single two wheel hub motor drive mode of bridge, three motor 4 wheel driven mode of doube bridge, Brake energy recovery mode
With stopping for charging mode.
The two wheel hub motor drive mode of single bridge is when vehicle operates in running on the lower load, two wheel hubs of the system
Vehicle is operated alone in motor, and the concentration motor of another bridge is closed, and is used as driven wheel, only to meet vehicle driving demand；It is high
When load condition, such as traveling, when different attached road surface or climbing, two In-wheel motor drivings are difficult to meet demand, collect at this time
Middle motor begins participating in work, opens three motor 4 wheel driven mode of doube bridge, entire car controller is by load by certain control strategy point
Three motors of dispensing, make three motors have higher rate of load condensate；The Brake energy recovery mode, when vehicle braking, electricity
Machine carries out Brake energy recovery, and converting electric energy for the braking energy of hub motor is power battery charging, improves Brake Energy
The rate of recovery is measured, braking distance is shortened；The stopping for charging mode, for vehicle in parking, external charge interface connects external fill
Electrical interface charges the battery.
In order to further understand embodiments of the present invention and content, by attached drawing, the present invention is described in detail,
It is specific as follows:
1. two wheel hub motor drive mode of single bridge
When vehicle driving is in running on the lower load, entire car controller only opens two wheel hub motor drive mode of single bridge, concentrates
Electric system is closed, and hub motor directly drives tyre rim assembly, relative to traditional pure electric automobile, is not only able to satisfy vehicle
Traveling demand, and power chain is short, and gearing is high-efficient, and the working efficiency of motor is also high.
2. three motor 4 wheel driven mode of doube bridge
When vehicle driving is in the higher operating condition of load, such as when different attached road surface or climbing road surface, double wheel hub motor can
It can be difficult to meet the traveling demand of vehicle, entire car controller is opened in due course by the power output of monitoring vehicle and concentrates electricity at this time
Machine concentrates motor that power is output to the tyre rim assembly of the left and right sides, doube bridge three by retarder by two drive shafts
Under motor 4 wheel driven mode, three motors have higher rate of load condensate, work in respective high efficiency range.
3. Brake energy recovery mode
After entire car controller detects that stopping power recycles signal, the brake energy recovering system of motor is opened at this time,
Electric energy is converted by mechanical energy a part of when braking, is power battery pack charging by inverter, improves Brake energy recovery
Rate, conducive to braking distance is shortened.
4. stopping for charging mode
It when stock idle or too low battery capacity, needs to charge to vehicle at this time, external charge can be connect
Mouth is connect with charging pile charging interface, is charged by charger, high voltage distribution box, battery pack to battery pack, when battery electricity
When amount is charged to the charging upper limit of setting, entire car controller can automatically cut off charging circuit, extend the physical life of battery.
5. distributed vehicle coordinated torque control
Four-wheel driving electric vehicle receives the four-wheel drive force that vehicle control unit controls algorithm decision spendes as controlled device
Square is responded；The car bodies state parameter such as vehicle feedback speed, acceleration, yaw velocity provides control algolithm.It first passes around
Car body state parameter and variable calculate, and calculate equivalent cornering stiffness and the vertical load distribution of antero posterior axis；Then, by turning to
Characteristic design, sets model- following control target of the ideal value as entire car controller of yaw velocity.Specifically, it exactly uses
Motor racing control algolithm controls actual yaw velocity, is adjusted by control algolithm, to be close to or up to reason
The yaw velocity thought, decision go out at this time needed for additional yaw moment, then pass through Torque distribution strategy, to hub motor and
It concentrates the torque of motor to be allocated, realizes pure electric vehicle four-wheel torque compensation and reach torque and be precisely controlled.
The above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any to be familiar with
Within the technical scope disclosed by the invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be with protection scope defined by claims
It is quasi-.
Claims (10)
1. a kind of hub motor distribution time sharing electric automobile chassis configuration, including frame assembly, on the frame assembly
It is provided with first tire wheel rim assembly, the second tyre rim assembly, motor, power battery pack, entire car controller, high pressure concentrated to match
Electric box, hub motor and heat radiator assembly, the first tire wheel rim assembly pass through drive shaft and speed changer and concentration electricity
Machine is sequentially connected, and is equipped with the hub motor on the second tyre rim assembly, it is characterised in that: the charger and institute
High voltage distribution box electrical connection is stated, the input terminal of the high voltage distribution box and the entire car controller and the power battery pack is electrically connected
Connect, the entire car controller is electrically connected with the hub motor and the concentration electric machine controller, the power battery pack it is defeated
Outlet is separately connected the concentration motor and the hub motor, the inverter and high voltage distribution box electricity by inverter
Connection.
2. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: the hub motor is connect with the second tyre rim assembly.
3. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: it is described concentrate motor output end and the retarder input terminal be sequentially connected, the output end of the retarder with it is described
Drive shaft transmission connection, the drive shaft are connect with the first tire wheel rim assembly.
4. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: the heat radiator assembly is connect by cooling line with the concentration motor and the hub motor.
5. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: the high voltage distribution box is electrically connected with the charger with external charge connector.
6. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: there are three the inverters.
7. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: the first tire wheel rim assembly is connect by front suspension assembly with frame assembly.
8. a kind of hub motor distribution time sharing electric automobile chassis configuration according to claim 1, feature exist
In: the second tyre rim assembly is connect by rear suspension assembly with frame assembly.
9. a kind of four-drive electric car, it is characterised in that: including the wheel hub as described in claim 1-8 any one claim
Motor distribution time sharing electric automobile chassis configuration.
10. a kind of control method of four-drive electric car, it is characterised in that: it is the electronic vapour of 4 wheel driven as claimed in claim 9
Vehicle, the four-drive electric car promote vehicle handling by vehicle coordinated torque control；Four-wheel driving electric vehicle is as quilt
Object is controlled, the four-wheel drive torque that vehicle control unit controls algorithm decision goes out is received and is responded；Vehicle feedback speed accelerates
Degree, yaw velocity car body state parameter provide control algolithm, rate-determining steps include: using motor racing control algolithm,
Actual yaw velocity is controlled, is adjusted by control algolithm, to be close to or up to ideal yaw velocity, decision
Additional yaw moment required at this time out, then passes through Torque distribution strategy, to hub motor and the torque of motor is concentrated to carry out
Distribution realizes pure electric vehicle four-wheel torque compensation and reaches torque and be precisely controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910664322.9A CN110341498A (en) | 2019-07-23 | 2019-07-23 | A kind of hub motor distribution time sharing electric automobile chassis configuration, four-drive electric car and control method |
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| CN201910664322.9A CN110341498A (en) | 2019-07-23 | 2019-07-23 | A kind of hub motor distribution time sharing electric automobile chassis configuration, four-drive electric car and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172788A (en) * | 2020-09-30 | 2021-01-05 | 东风汽车集团有限公司 | Distributed three-motor driving force distribution strategy for improving vehicle steering stability |
| CN113119703A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Driving system and electric automobile with same |
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| CN102529743A (en) * | 2012-01-06 | 2012-07-04 | 刘辉 | Multi-motor driven and continuously-charging battery electric vehicle |
| CN102602304A (en) * | 2012-04-06 | 2012-07-25 | 南京南汽专用车有限公司 | Hub motor hybrid driving control system and hub motor hybrid driving control method |
| CN103419676A (en) * | 2013-07-31 | 2013-12-04 | 浙江大学 | Wheel type drive layering control system and method applied to electric car |
| CN205059312U (en) * | 2015-06-29 | 2016-03-02 | 徐州百事利电动车业有限公司 | Drive system of electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113119703A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Driving system and electric automobile with same |
| CN112172788A (en) * | 2020-09-30 | 2021-01-05 | 东风汽车集团有限公司 | Distributed three-motor driving force distribution strategy for improving vehicle steering stability |
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