CN110154771A - A kind of control strategy of electric vehicle brake power recycling - Google Patents
A kind of control strategy of electric vehicle brake power recycling Download PDFInfo
- Publication number
- CN110154771A CN110154771A CN201910290455.4A CN201910290455A CN110154771A CN 110154771 A CN110154771 A CN 110154771A CN 201910290455 A CN201910290455 A CN 201910290455A CN 110154771 A CN110154771 A CN 110154771A
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- module
- battery
- temperature
- recycling
- pressure
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Classifications
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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
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses a kind of control strategies of electric vehicle brake power recycling, including pressure detecting module, calculation process module, full-vehicle control module, motor control module, electric current recycling module, conveyor module, SOC detection module, voltage detection module and temperature detecting module, the pressure detecting module includes pressure sensor, the pressure sensor is used to detect the pressure value of brake pedal, and the pressure value that will test is transferred to calculation process module, the calculation process mould includes microprocessor, the microprocessor is used for the pressure value that calculation process pressure detecting module detects, and the pressure value after calculation process is transferred to full-vehicle control module, the full-vehicle control module is used to issue instruction exchange motor-field direction to motor control module and generates negative torque when rotating motor, the present invention can be direct by the energy of recycling It charges using or to power battery, greatly prolongs the cruising ability of power battery, good protective effect can be reached to battery.
Description
Technical field
The invention belongs to electric vehicle engineering fields, and in particular to a kind of control strategy of electric vehicle brake power recycling.
Background technique
Electric car (BEV) refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, peace
The vehicle of full regulation requirements.Since effect on environment is smaller with respect to orthodox car, its prospects are considered optimistic wildly, but current skill
Art is still immature, the composition of electric car include: be driven by electricity and control system, driving force transmission etc. mechanical systems, complete both
Determine the equipment etc. of task.It is driven by electricity and control system is the core of electric car, and be different from internal-combustion engines vehicle
Maximum difference.It is driven by electricity and control system is made of the speed-regulating control device etc. of drive motor, power supply and motor.Electricity
Other devices of electrical automobile are substantially identical as internal-combustion engines vehicle, and in face of the dual-pressure of energy conservation and environmental protection, auto industry is to can
Sustainable development must just greatly develop new-energy automobile.It is all motor driven for current electric car driving element, and it is electric
Machine rotates forward consumption power battery SOC, generates electric current, the size of electric current and the speed of vehicle by changing magnetic direction when reversion
It is related with weight.These electric currents are input in power battery by inverter, give power battery charging.And sometimes due to prominent
Hair-like condition is brought to a halt, and the electric current generated in the short time is excessive, and more than the maximum charging current of power battery, this electric current is such as
Fruit, which is directly filled with power battery, then can directly damage power battery.Therefore exceed the part of maximum charging current just in this electric current
It is rejected, this is undoubtedly a kind of greatly waste.
Currently, the control strategy of electric vehicle brake power recycling, when emergency brake of vehicle, the high current of generation is super
The maximum charging current of power battery is crossed, so that this part high current can not be recycled, and it cannot be direct by the energy of recycling
It charges using or to power battery, good protective effect cannot be reached to battery, for this purpose, it is proposed that a kind of electric vehicle
The control strategy of Brake energy recovery.
Summary of the invention
The purpose of the present invention is to provide a kind of control strategies of electric vehicle brake power recycling, can be straight by the energy of recycling
It connects using or charges to power battery, greatly prolong the cruising ability of power battery, good protection can be reached to battery
Effect, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions a kind of control plan of electric vehicle brake power recycling
It omits, including pressure detecting module, calculation process module, full-vehicle control module, motor control module, electric current recycling module, conveying
Module, SOC detection module, voltage detection module and temperature detecting module；
The pressure detecting module includes pressure sensor, and the pressure sensor is used to detect the pressure value of brake pedal, and
The pressure value that will test is transferred to calculation process module；
The calculation process mould includes microprocessor, and the microprocessor is used for the pressure that calculation process pressure detecting module detects
Force value, and the pressure value after calculation process is transferred to full-vehicle control module；
Production when rotating motor that the full-vehicle control module is used to issue instruction exchange motor-field direction to motor control module
Raw negative torque, can also generate electric current when motor generates negative torque, be issued the electric current integration of generation by electric machine controller
Electric current recycling module；
The electric current recycling module is for recycling braking energy, and the electric current recycling module can be directly used for by conveyor module
Motor driven and for charging the battery；
The SOC detection module is for detecting SOC value of battery, and when SOC value of battery is less than predetermined value, electric current recycling module passes through
Work of the conveyor module for the charging of battery；
The voltage detection module includes Voltage detector, and the Voltage detector is used to detect the electricity in battery charging process
Pressure, when overtension in charging process or it is too low when, voltage detection module can control electric current recycling module stop to battery charge
Work；
The temperature detecting module includes temperature inductor, and the temperature inductor is used to detect temperature caused by battery, when
When temperature caused by battery is higher than certain temperature, temperature detecting module can also control the stopping of electric current recycling module and fill to battery part
The work of electricity.
Preferably, the electric current recycling module is super capacitor, and super capacitor is temporarily stored in capacitor for high current,
Can be effectively prevented from the loss of energy, the high current of super capacitor storage not only can direct-furnish motor driven can also be filled to battery
The work of electricity.
Preferably, the pressure sensor is PT500-500 serial universal pressure sensor, this PT500-500 pressure
Sensor, using import pressure-sensitive chip；Select into paster technique, have zero point, full scale compensate, temperature-compensating；High-precision and
High stability amplification circuit；Full soldering and sealing structure, shock resistance, endurance, high reliablity；Output signal diversification, low-power consumption,
Structure is small, connection type is diversified etc..
Preferably, the microprocessor be Intel Core i7 processor, Intel Core i7 processor, be based on Nehalem micro-architecture, 2
Core, built-in triple channel DDR2 Memory Controller Hub, every core exclusively enjoy 8KB L2 cache, and 1-4MB shares three-level caching.
Preferably, the temperature inductor is pt100 temperature sensor, the acquisition range of pt100 temperature sensor temperature
Can be at -200 DEG C~+850 DEG C, humidity collection range is 0%~100%.
Preferably, the predetermined value that the SOC is shown is the 30% of electricity.
Preferably, the Voltage detector is MS8900 alternating voltage detector, this MS8900 alternating voltage detector
Voltage sensibility is 100V-240V/AC, frequency 50/60Hz, and test environment temperature is -0-50 °, and storage temperature is -20-
60 °, weight 40g.
Preferably, not more than 25-30 ° of temperature caused by the battery.
Technical effect and advantage of the invention:
1, the present invention is by the pressure detecting module being equipped with, and when electric vehicle steps on brake pedal, pressure detecting module can be by side
It is transferred to calculation process module to pressure value, and by pressure value, computing module meeting calculation process pressure detecting module detects
Pressure value, and the pressure value after calculation process is transferred to full-vehicle control module, full-vehicle control module is sent out to motor control module
Instruction exchanges motor-field direction and generates negative torque when rotating motor out, can also generate electricity when motor generates negative torque
The electric current integration of generation is issued electric current recycling module by electric machine controller by stream, and electric current recycling module can directly pass through conveying mould
Block can detect SOC value of battery for motor driven and for charging the battery, by the SOC detection module being equipped with, and work as battery SOC
When value is less than predetermined value, work of the electric current recycling module by conveyor module for the charging of battery can be straight by the energy of recycling
It connects using or charges to power battery, greatly prolong the cruising ability of power battery；
2, by the voltage detection module and temperature detecting module that are equipped with, voltage detection module can be to the electricity in battery charging process
Press the work that is detected, when overtension in charging process or it is too low when, voltage detection module can control electric current recycling module
Stop the work charging to battery, the work that temperature detecting module can detect temperature caused by battery, when battery institute
When the temperature of generation is higher than certain temperature, temperature detecting module can also control electric current recycling module and stop the work charging to battery part
Make, good protective effect can be reached to battery.
Detailed description of the invention
Fig. 1 is process module structural schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of control strategies of electric vehicle brake power as shown in Figure 1 recycling, including pressure detecting
Module, calculation process module, full-vehicle control module, motor control module, electric current recycling module, conveyor module, SOC detect mould
Block, voltage detection module and temperature detecting module；
The pressure detecting module includes pressure sensor, and the pressure sensor is used to detect the pressure value of brake pedal, and
The pressure value that will test is transferred to calculation process module；
The calculation process mould includes microprocessor, and the microprocessor is used for the pressure that calculation process pressure detecting module detects
Force value, and the pressure value after calculation process is transferred to full-vehicle control module；
Production when rotating motor that the full-vehicle control module is used to issue instruction exchange motor-field direction to motor control module
Raw negative torque, can also generate electric current when motor generates negative torque, be issued the electric current integration of generation by electric machine controller
Electric current recycling module；
The electric current recycling module is for recycling braking energy, and the electric current recycling module can be directly used for by conveyor module
Motor driven and for charging the battery；
The SOC detection module is for detecting SOC value of battery, and when SOC value of battery is less than predetermined value, electric current recycling module passes through
Work of the conveyor module for the charging of battery；
The voltage detection module includes Voltage detector, and the Voltage detector is used to detect the electricity in battery charging process
Pressure, when overtension in charging process or it is too low when, voltage detection module can control electric current recycling module stop to battery charge
Work；
The temperature detecting module includes temperature inductor, and the temperature inductor is used to detect temperature caused by battery, when
When temperature caused by battery is higher than certain temperature, temperature detecting module can also control the stopping of electric current recycling module and fill to battery part
The work of electricity.
Further, the electric current recycling module is super capacitor, and super capacitor is temporarily stored within capacitor for high current
In, can be effectively prevented from the loss of energy, the high current of super capacitor storage not only can direct-furnish motor driven also can to battery into
The work of row charging.
Further, the pressure sensor is PT500-500 serial universal pressure sensor, this PT500-500 pressure
Force snesor, using import pressure-sensitive chip；Select into paster technique, have zero point, full scale compensate, temperature-compensating；In high precision
With high stability amplification circuit；Full soldering and sealing structure, shock resistance, endurance, high reliablity；Output signal diversification, low function
Consumption, structure is small, connection type is diversified etc..
Further, the microprocessor be Intel Core i7 processor, Intel Core i7 processor, be based on Nehalem micro-architecture, 2
Core, built-in triple channel DDR2 Memory Controller Hub, every core exclusively enjoy 8KB L2 cache, and 1-4MB shares three-level caching.
Further, the temperature inductor is pt100 temperature sensor, the acquisition model of pt100 temperature sensor temperature
Enclosing can be at -200 DEG C~+850 DEG C, and humidity collection range is 0%~100%.
Further, the predetermined value that the SOC is shown is the 30% of electricity.
Further, the Voltage detector is MS8900 alternating voltage detector, this MS8900 alternating voltage detector
Voltage sensibility be 100V-240V/AC, frequency 50/60Hz, test environment temperature be -0-50 °, storage temperature be -20-
60 °, weight 40g.
Further, not more than 25-30 ° of temperature caused by the battery.
In conclusion the control strategy of this electric vehicle brake power recycling, by the pressure detecting module being equipped with, when electronic
When vehicle steps on brake pedal, pressure detecting module can be by side to pressure value, and pressure value is transferred to calculation process module, operation
The pressure value that module meeting calculation process pressure detecting module detects, and the pressure value after calculation process is transferred to full-vehicle control
Module, full-vehicle control module issue when instruction exchanges motor-field direction and rotates motor to motor control module and generate negative twist
Square can also generate electric current when motor generates negative torque, and electric current is issued in the electric current integration of generation by electric machine controller and is returned
Module is received, electric current recycling module can pass through what is be equipped with directly by conveyor module for motor driven and for charging the battery
SOC detection module can detect SOC value of battery, and when SOC value of battery is less than predetermined value, electric current recycling module is used by conveyor module
In the work of the charging of battery, by the voltage detection module and temperature detecting module being equipped with, voltage detection module can be to battery
The work that voltage in charging process is detected, when overtension in charging process or it is too low when, voltage detection module can be controlled
Electric current recycling module processed stops the work charging to battery, and temperature detecting module can detect temperature caused by battery
Work, when the temperature caused by the battery is higher than certain temperature, temperature detecting module can also control electric current recycling module and stop pair
The work of battery part charging.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of control strategy of electric vehicle brake power recycling, including pressure detecting module, calculation process module, full-vehicle control
Module, motor control module, electric current recycling module, conveyor module, SOC detection module, voltage detection module and temperature detection mould
Block, it is characterised in that:
The pressure detecting module includes pressure sensor, and the pressure sensor is used to detect the pressure value of brake pedal, and
The pressure value that will test is transferred to calculation process module；
The calculation process mould includes microprocessor, and the microprocessor is used for the pressure that calculation process pressure detecting module detects
Force value, and the pressure value after calculation process is transferred to full-vehicle control module；
Production when rotating motor that the full-vehicle control module is used to issue instruction exchange motor-field direction to motor control module
Raw negative torque, can also generate electric current when motor generates negative torque, be issued the electric current integration of generation by electric machine controller
Electric current recycling module；
The electric current recycling module is for recycling braking energy, and the electric current recycling module can be directly used for by conveyor module
Motor driven and for charging the battery；
The SOC detection module is for detecting SOC value of battery, and when SOC value of battery is less than predetermined value, SOC detection module can be controlled
Work of the electric current recycling module processed by conveyor module for the charging of battery；
The voltage detection module includes Voltage detector, and the Voltage detector is used to detect the electricity in battery charging process
Pressure, when overtension in charging process or it is too low when, voltage detection module can control electric current recycling module stop to battery charge
Work；
The temperature detecting module includes temperature inductor, and the temperature inductor is used to detect temperature caused by battery, when
When temperature caused by battery is higher than certain temperature, temperature detecting module can also control the stopping of electric current recycling module and fill to battery part
The work of electricity.
2. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the electric current
Recycling module is super capacitor, and super capacitor is temporarily stored in capacitor for high current, can be effectively prevented from the loss of energy,
Super capacitor storage high current not only can direct-furnish motor driven also can be to the work that battery charges.
3. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the pressure
Sensor is PT500-500 serial universal pressure sensor, this PT500-500 pressure sensor, using import pressure-sensitive chip；
Select into paster technique, have zero point, full scale compensate, temperature-compensating；High-precision and high stability amplification circuit；Full envelope
Welding structure, shock resistance, endurance, high reliablity；Output signal diversification, low-power consumption, structure is small, connection type is diversified etc..
4. a kind of control strategy of electric vehicle brake power recycling according to claim 3, it is characterised in that: micro- place
Reason device is Intel Core i7 processor, and Intel Core i7 processor is based on Nehalem micro-architecture, 2 cores, built-in triple channel DDR2 memory
Controller, every core exclusively enjoy 8KB L2 cache, and 1-4MB shares three-level caching.
5. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the temperature
Inductor is pt100 temperature sensor, and the acquisition range of pt100 temperature sensor temperature can be wet at -200 DEG C~+850 DEG C
Spending acquisition range is 0%~100%.
6. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the SOC
The predetermined value of display is the 30% of electricity.
7. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the voltage
Detector is MS8900 alternating voltage detector, and the voltage sensibility of this MS8900 alternating voltage detector is 100V-240V/
AC, frequency 50/60Hz, test environment temperature are -0-50 °, and storage temperature is -20-60 °, weight 40g.
8. a kind of control strategy of electric vehicle brake power recycling according to claim 1, it is characterised in that: the battery
Not more than 25-30 ° of generated temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290455.4A CN110154771A (en) | 2019-04-11 | 2019-04-11 | A kind of control strategy of electric vehicle brake power recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290455.4A CN110154771A (en) | 2019-04-11 | 2019-04-11 | A kind of control strategy of electric vehicle brake power recycling |
Publications (1)
| Publication Number | Publication Date |
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| CN110154771A true CN110154771A (en) | 2019-08-23 |
Family
ID=67638506
Family Applications (1)
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|---|---|---|---|
| CN201910290455.4A Pending CN110154771A (en) | 2019-04-11 | 2019-04-11 | A kind of control strategy of electric vehicle brake power recycling |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192721A (en) * | 2013-04-25 | 2013-07-10 | 青岛理工大学 | Braking system and braking method of double-shaft driven electric vehicle |
| CN104108316A (en) * | 2014-04-12 | 2014-10-22 | 北京工业大学 | Electrohydraulic-combined brake control method of battery electric vehicle |
| US20170291506A1 (en) * | 2016-04-08 | 2017-10-12 | Hyundai Motor Company | System and method for controlling torque of electric vehicle |
| CN206589718U (en) * | 2017-03-17 | 2017-10-27 | 广东硅岳能源科技有限公司 | A kind of Portable electric automobile emergency power supply unit |
| CN108082187A (en) * | 2016-11-16 | 2018-05-29 | 深圳市航盛电子股份有限公司 | A kind of method and device of automobile energy recycling |
-
2019
- 2019-04-11 CN CN201910290455.4A patent/CN110154771A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192721A (en) * | 2013-04-25 | 2013-07-10 | 青岛理工大学 | Braking system and braking method of double-shaft driven electric vehicle |
| CN104108316A (en) * | 2014-04-12 | 2014-10-22 | 北京工业大学 | Electrohydraulic-combined brake control method of battery electric vehicle |
| US20170291506A1 (en) * | 2016-04-08 | 2017-10-12 | Hyundai Motor Company | System and method for controlling torque of electric vehicle |
| CN108082187A (en) * | 2016-11-16 | 2018-05-29 | 深圳市航盛电子股份有限公司 | A kind of method and device of automobile energy recycling |
| CN206589718U (en) * | 2017-03-17 | 2017-10-27 | 广东硅岳能源科技有限公司 | A kind of Portable electric automobile emergency power supply unit |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
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