CN106945562A - A kind of distributed-driving electric automobile and its control method - Google Patents
A kind of distributed-driving electric automobile and its control method Download PDFInfo
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- CN106945562A CN106945562A CN201710281919.6A CN201710281919A CN106945562A CN 106945562 A CN106945562 A CN 106945562A CN 201710281919 A CN201710281919 A CN 201710281919A CN 106945562 A CN106945562 A CN 106945562A
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L15/2036—Electric differentials, e.g. for supporting steering 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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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- 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
-
- 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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The present invention relates to a kind of distributed-driving electric automobile and its control method, the distributed-driving electric automobile includes：Master controller, four be respectively provided with wheel hub electric motor driving moment, the motor driver for driving each wheel hub electric motor is equipped with brakes in each driving moment；When triggering accelerator pedal, the master controller distributes corresponding motor speed and each wheel hub motor of torque actuated by each motor driver, so that driving moment is rotated；And when triggering brake pedal, the master controller is suitable to brake wheel hub electric motor by brakes.The distributed-driving electric automobile of the present invention drives four wheel hub electric motors by motor driver respectively using power-supply management system; drive driving moment work; effectively reduce the dependence to this petrochemistry energy of diesel oil; realize that energy strategy makes the transition; reduce operating noise; disposal of pollutants is reduced, environment, wide market is effectively protected.
Description
Technical field
The present invention relates to electric automobile field, more particularly to a kind of distributed-driving electric automobile and its control method.
Background technology
Currently, petrochemistry energy scarcity, oil in a short time as non-renewable resources, cause oil price again and again on
Rise and Diesel engine work when it is a riot of sound, environmental pollution is serious after diesel combustion.Based on to environmental protection, reduction energy
The consideration of source cost, particularly energy strategy transition, therefore invention utilizes electric power energy, the new distribution type of wheel hub electric motor driving
Drive electric automobile.
The content of the invention
It is an object of the invention to provide a kind of distributed-driving electric automobile and its control method, power-supply management system is utilized
Realization drives corresponding wheel hub electric motor by motor driver, rotates driving moment, so that vehicle walking or steering.
In order to achieve the above object, the invention provides a kind of distributed-driving electric automobile, including：Master controller, four
In the individual driving moment for being respectively provided with wheel hub electric motor, the motor driver for driving each wheel hub electric motor, each driving moment
It is equipped with brakes；When triggering accelerator pedal, the master controller distributes corresponding motor speed by each motor driver
With each wheel hub electric motor of torque actuated so that driving moment rotate；And when triggering brake pedal, the master controller is suitable to
Wheel hub electric motor is braked by brakes.
Further, the distributed-driving electric automobile also includes：Steering；The steering includes：Steering wheel,
It is installed on steering wheel angle sensor and steering-wheel torque sensor on the steering wheel；And the distributed electronic vapour of driving
Car is also equipped with vehicle speed sensor；The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor point
Not Cai Ji steering wheel corner and dtc signal, and combine current vehicle speed data, control each motor driver driving respective wheel
Hub motor obtains different rotating speeds and dtc signal, to realize that electric automobile turns left or right-hand rotation.
Further, the accelerator pedal is provided with accelerator pedal position sensor, and the brake pedal provided with system
Dynamic pedal position sensor；And accelerator pedal position sensor, brake pedal position sensor are connected with master controller.
Further, the distributed-driving electric automobile is suitable to switch drive shift, neutral gear, reverse drive gear by key switch；
After forward gear is switched to, each motor driver is suitable to control corresponding wheel hub electric motor to rotate forward respectively；Switching to retrogressing
After shelves, each motor driver is suitable to control corresponding wheel hub electric motor backward to slowly run respectively.
Further, the power-supply management system of the distributed-driving electric automobile includes：Lithium battery, charge and discharge protecting dress
Put, inverter, power supply change-over device, charging plug and battery charge sensor；Wherein described charging and discharging protection device is suitable to
Prevent lithium battery overcharge or overdischarge；The inverter is suitable to alternating current being converted to direct current；The battery electric quantity sensing
Device is suitable to the dump energy of detection lithium battery in real time；And when triggering brake pedal and braking, the master controller control electricity
Management system cuts off the power supply of each wheel hub electric motor.
Further, the distributed-driving electric automobile also includes the acoustooptic alarm system controlled by master controller；It is described
Acoustooptic alarm system includes：Two headlights positioned at car body front end, positioned at two Brake lamps and back-up lamp of body rear end, with
And loudspeaker and buzzer positioned at car body outer end.
Further, the electric automobile also includes the air-conditioning system controlled by master controller, and the air-conditioning system includes sky
Compressor is adjusted, the compressor of air conditioner drives work by direct current generator；And it is additionally provided with electric fan above driver's cabin.
Another aspect, present invention also offers a kind of control method of distributed-driving electric automobile, the distributed drive
Dynamic electric automobile includes：Master controller, four be respectively provided with wheel hub electric motor driving moment, for driving each wheel hub electric motor
Motor driver, be equipped with brakes in each driving moment；
The control method includes：When triggering accelerator pedal, the master controller distributes corresponding by each motor driver
Motor speed and each wheel hub motor of torque actuated so that driving moment rotate；And when triggering brake pedal, the master control
Device processed is suitable to brake wheel hub electric motor by brakes.
Further, the distributed-driving electric automobile also includes：Steering；The steering includes：Steering wheel,
It is installed on steering wheel angle sensor and steering-wheel torque sensor on the steering wheel；And the distributed electronic vapour of driving
Car is also equipped with vehicle speed sensor；The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor point
Not Cai Ji steering wheel corner and dtc signal, and combine current vehicle speed data, control each motor driver to drive corresponding car
Hub motor obtains different rotating speeds and dtc signal, to realize that electric automobile turns left or right-hand rotation.
Compared with prior art, beneficial effects of the present invention are as follows：The distributed-driving electric automobile of the present invention utilizes electricity
Management system drives four wheel hub electric motors by motor driver respectively, drives driving moment work, passes through steering
Control is turned to, and is realized the walking and steering of vehicle, is eliminated engine, clutch, gearbox, universal driving device, main deceleration
The mechanical devices such as device, differential mechanism, reduce mechanical breakdown chance of occurrence, improve service life.Utilize night low power consumption, electric power energy
Source weighting prediction, effectively reduces the dependence to the petrochemistry energy such as diesel oil, realizes that energy strategy makes the transition, reduces work
Noise, reduces disposal of pollutants, effectively protects environment, wide market.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the front view of this distributed-driving electric automobile；
Fig. 2 is the top view of this distributed-driving electric automobile.
Wherein 1 driving moment, 2 steering wheels, the motor driver of 3 driving moments, 4 accelerator pedals, 5 brake pedals, 6 power supplys
Management system and master controller.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment 1 provides a kind of distributed-driving electric automobile, including：Master controller, four
The individual driving moment 1 for being respectively provided with wheel hub electric motor, the motor driver 3 for driving each wheel hub electric motor, each driving moment 1
Inside it is equipped with brakes；When triggering accelerator pedal 4, the master controller distributes corresponding motor by each motor driver 3
Rotating speed and each wheel hub electric motor of torque actuated, so that driving moment 1 is rotated；And when triggering brake pedal 5, the master control
Device is suitable to brake wheel hub electric motor by brakes.
The distributed-driving electric automobile also includes：Steering；The steering includes：Steering wheel 2, is installed on
Steering wheel angle sensor and steering-wheel torque sensor on the steering wheel 2；And the distributed-driving electric automobile is also
It is equipped with vehicle speed sensor；The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor is adopted respectively
Collect the corner and dtc signal of steering wheel, and combine current vehicle speed data, control each motor driver 3 to drive corresponding wheel hub electricity
Motivation obtains different rotating speeds and dtc signal, to realize that electric automobile turns left or right-hand rotation.
Specifically, corner and dtc signal by gathering steering wheel, make left and right side wheel hub electric motor obtain different turn
Speed and dtc signal, for example, turning left, i.e. the rotating speed of left side wheel hub electric motor is less than right side wheel hub electric motor, and passes through two
The rotating ratio of side wheel hub electric motor adjusts the steering angle of this distributed-driving electric automobile.Therefore, the driving of this distribution is electronic
The mechanical mechanism very simple of automobile, reduces the incidence of mechanical structure failure.
Specifically, the steering also includes steering spindle, steering gear, track rod, steering drag link, steering trapezium
Arm.The vehicle speed sensor detects whole locomotive speed in real time, and is delivered on the instrument board in car body, is shown currently by pointer
Whole locomotive speed.
Optionally, the steering gear can use pinion and-rack, it would however also be possible to employ circulating ball type, it would however also be possible to employ worm gear
Worm screw-crank stylus pin formula；The steering can also use booster type, and such as electric power steering utilizes motor assist people
Power rotates tooth sector or steering rack.The steering wheel angle sensor is sensed using such as, but not limited to 89245-TFA00
Device, the steering-wheel torque sensor is using such as, but not limited to WTQ1050A sensors, and the vehicle speed sensor is using for example
But it is not limited to YCGQ-MZD1 sensors.
The accelerator pedal 4 is provided with accelerator pedal position sensor, and the brake pedal is provided with brake pedal
Position sensor；And accelerator pedal position sensor, brake pedal position sensor are connected with master controller 8.
Specifically, the accelerator pedal 4 is fixedly mounted on chassis upper end, the control of driver's right crus of diaphragm.The accelerator pedal position
Put sensor and detect acceleration demand of the driver to vehicle in real time.Accelerator pedal position sensor turns this speed requirement amount
It is changed into electric signal and is real-time transmitted to master controller, master controller passes through comprehensive analysis traffic information, road surface adhesion condition, steering feelings
Condition, sends control signal to four motor drivers 3, motor driver 3 is according to the motor speed and torque phase each distributed
Each wheel hub electric motor of ground driving is answered, so that driving moment 1 is rotated.
The brake pedal 5 is fixedly mounted on chassis upper end, and driver's right crus of diaphragm control, brake pedal 7 is located at accelerator pedal 4
Left side, slightly above accelerator pedal 4.Brake pedal 5 is the controlling organization of brakes, and when needing to slow down or stopping, right crus of diaphragm is stepped on
Corresponding brakes has started braking action on lower brake pedal 5, each wheel hub electric motor, by motor shaft locking, makes driving car
It is zero to take turns 1 speed and decrease up to.Brakes can use mechanical disk braking system, it would however also be possible to employ mechanical hub system
Dynamic system.
The distributed-driving electric automobile is suitable to switch drive shift, neutral gear, reverse drive gear by key switch；Switching to
After forward gear, each motor driver is suitable to control corresponding wheel hub electric motor to rotate forward respectively；After reverse drive gear is switched to, each electricity
Machine driver is suitable to control corresponding wheel hub electric motor backward to slowly run respectively.
The power-supply management system of the distributed-driving electric automobile includes：Lithium battery, charging and discharging protection device, inversion
Device, power supply change-over device, charging plug and battery charge sensor；Wherein described charging and discharging protection device is suitable to prevent lithium electricity
Pond overcharge or overdischarge；The inverter is suitable to alternating current being converted to direct current；The battery charge sensor is suitable to real
When detect lithium battery dump energy；And when triggering brake pedal and braking, the master controller control power management system
The power supply of each wheel hub electric motor of system cut-out.
Specifically, the lithium battery provides power supply for all electrical equipments of full car.
By power-supply management system in night low power consumption, it can be vehicle charging, be turned alternating current by inverter
Direct current is changed to, using charging and discharging protection device, prevents that over-charging of battery from crossing and puts.Battery charge sensor can detect lithium battery in real time
Electricity, and be delivered to above the instrument board in car body, current electric quantity shown and according to the estimated lithium electricity of average operating mode by pointer
The pond residue working time.
Optionally, the battery charge sensor is using such as, but not limited to CJMCU LTC4150 battery electric quantities detection mould
Block.
The distributed-driving electric automobile also includes the acoustooptic alarm system controlled by master controller；The sound and light alarm
System includes：Two headlights positioned at car body front end, positioned at two Brake lamps and back-up lamp of body rear end, and positioned at car
The loudspeaker and buzzer held in vitro.
Specifically, during night work, pressing Chinese herbaceous peony lamp switch, two headlights light work, and can carry out distance-light and cut
Change.Pilot set and passenger seat are additionally provided with the car body.
The electric automobile also includes the air-conditioning system controlled by master controller, and the air-conditioning system includes air conditioner compressed
Machine, the compressor of air conditioner drives work by direct current generator；And it is additionally provided with electric fan above driver's cabin.
Specifically, the air-conditioning system has the work of DC motor Driver compressor of air conditioner, power-supply management system is direct current
Machine provides power supply.In vehicle driving procedure, driver can also press air-conditioning switch in good time according to temperature conditions outside in-car, start
Air-conditioning system, realizes and drives indoor air temperature adjustment effect, can also be required according to indoor passenger, presses fan swicth, and reduction drives
Indoor temperature.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of control method of distributed-driving electric automobile, described
Distributed-driving electric automobile includes：Master controller, four be respectively provided with wheel hub electric motor driving moment, for driving each wheel
Brakes is equipped with the motor driver of hub motor, each driving moment；
The control method includes：When triggering accelerator pedal, the master controller distributes corresponding by each motor driver
Motor speed and each wheel hub motor of torque actuated so that driving moment rotate；And when triggering brake pedal, the master control
Device processed is suitable to brake wheel hub electric motor by brakes.
The distributed-driving electric automobile also includes：Steering；The steering includes：Steering wheel, is installed on
Steering wheel angle sensor and steering-wheel torque sensor on the steering wheel；And the distributed-driving electric automobile is also filled
Equipped with vehicle speed sensor；The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor is gathered respectively
The corner and dtc signal of steering wheel, and current vehicle speed data are combined, control each motor driver to drive corresponding nave boss electronic
Machine obtains different rotating speeds and dtc signal, to realize that electric automobile turns left or right-hand rotation.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (9)
1. a kind of distributed-driving electric automobile, it is characterised in that including：
Master controller, four be respectively provided with wheel hub electric motor driving moment, the motor for driving each wheel hub electric motor drives
Brakes is equipped with device, each driving moment；
When triggering accelerator pedal, the master controller distributes corresponding motor speed by each motor driver and torque actuated is each
Wheel hub electric motor, so that driving moment is rotated；And
When triggering brake pedal, the master controller is suitable to brake wheel hub electric motor by brakes.
2. distributed-driving electric automobile according to claim 1, it is characterised in that
The distributed-driving electric automobile also includes：Steering；
The steering includes：Steering wheel, the steering wheel angle sensor being installed on the steering wheel and steering-wheel torque are passed
Sensor；And
The distributed-driving electric automobile is also equipped with vehicle speed sensor；
The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor gathers turning for steering wheel respectively
Angle and dtc signal, and current vehicle speed data are combined, control each motor driver to drive corresponding wheel hub electric motor to obtain different
Rotating speed and dtc signal, with realize electric automobile turn left or turn right.
3. distributed-driving electric automobile according to claim 2, it is characterised in that
The accelerator pedal is provided with accelerator pedal position sensor, and
The brake pedal is provided with brake pedal position sensor；
And accelerator pedal position sensor, brake pedal position sensor are connected with master controller.
4. distributed-driving electric automobile according to claim 3, it is characterised in that
The distributed-driving electric automobile is suitable to switch drive shift, neutral gear, reverse drive gear by key switch；
After forward gear is switched to, each motor driver is suitable to control corresponding wheel hub electric motor to rotate forward respectively；
After reverse drive gear is switched to, each motor driver is suitable to control corresponding wheel hub electric motor backward to slowly run respectively.
5. distributed-driving electric automobile according to claim 4, it is characterised in that
The power-supply management system of the distributed-driving electric automobile includes：
Lithium battery, charging and discharging protection device, inverter, power supply change-over device, charging plug and battery charge sensor；Wherein
The charging and discharging protection device is suitable to prevent lithium battery overcharge or overdischarge；
The inverter is suitable to alternating current being converted to direct current；
The battery charge sensor is suitable to the dump energy of detection lithium battery in real time；And
When triggering brake pedal and braking, the master controller control power-supply management system cuts off the confession of each wheel hub electric motor
Electricity.
6. distributed-driving electric automobile according to claim 5, it is characterised in that
The distributed-driving electric automobile also includes the acoustooptic alarm system controlled by master controller；
The acoustooptic alarm system includes：Two headlights positioned at car body front end, positioned at body rear end two Brake lamps and
Back-up lamp, and loudspeaker and buzzer positioned at car body outer end.
7. distributed-driving electric automobile according to claim 6, it is characterised in that
The electric automobile also includes the air-conditioning system controlled by master controller, and the air-conditioning system includes compressor of air conditioner, institute
State compressor of air conditioner and work is driven by direct current generator；And
Electric fan is additionally provided with above driver's cabin.
8. a kind of control method of distributed-driving electric automobile, it is characterised in that
The distributed-driving electric automobile includes：
Master controller, four be respectively provided with wheel hub electric motor driving moment, the motor for driving each wheel hub electric motor drives
Brakes is equipped with device, each driving moment；
The control method includes：
When triggering accelerator pedal, the master controller distributes corresponding motor speed by each motor driver and torque actuated is each
Wheel hub motor, so that driving moment is rotated；And
When triggering brake pedal, the master controller is suitable to brake wheel hub electric motor by brakes.
9. control method according to claim 8, it is characterised in that
The distributed-driving electric automobile also includes：Steering；
The steering includes：Steering wheel, the steering wheel angle sensor being installed on the steering wheel and steering-wheel torque are passed
Sensor；And
The distributed-driving electric automobile is also equipped with vehicle speed sensor；
The master controller is suitable to receive steering wheel angle sensor and steering-wheel torque sensor gathers turning for steering wheel respectively
Angle and dtc signal, and current vehicle speed data are combined, control each motor driver to drive corresponding nave boss motor to obtain different
Rotating speed and dtc signal, with realize electric automobile turn left or turn right.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710281919.6A CN106945562A (en) | 2017-04-26 | 2017-04-26 | A kind of distributed-driving electric automobile and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281919.6A CN106945562A (en) | 2017-04-26 | 2017-04-26 | A kind of distributed-driving electric automobile and its control method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827041A (en) * | 2017-11-29 | 2018-03-23 | 常州机电职业技术学院 | Pure electri forklift and its control method |
| CN107825990A (en) * | 2017-11-29 | 2018-03-23 | 常州机电职业技术学院 | Pure electronic crank arm type high-altitude operation vehicle and its control method |
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