CN110667394A - Battery SOC brake recovery system and method and electric automobile - Google Patents
Battery SOC brake recovery system and method and electric automobile Download PDFInfo
- Publication number
- CN110667394A CN110667394A CN201910932058.2A CN201910932058A CN110667394A CN 110667394 A CN110667394 A CN 110667394A CN 201910932058 A CN201910932058 A CN 201910932058A CN 110667394 A CN110667394 A CN 110667394A
- Authority
- CN
- China
- Prior art keywords
- braking
- recovery
- power
- battery
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to 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
- Y02T10/80—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a braking recovery system and method of a battery SOC and an electric automobile, wherein the braking recovery system comprises: the vehicle control unit is used for acquiring the current vehicle speed and a brake pedal signal; the motor controller is used for receiving a braking control signal of the whole vehicle controller; the driving motor is used for receiving a braking recovery torque signal of the motor controller and outputting a theoretical braking recovery power signal and a recovery power control signal of the vehicle controller to judge the recovery power so as to determine the charging quantity Q1 of the rechargeable power battery; the power battery is used for outputting a current recovered power limiting signal to the battery management system BMS; the battery management system BMS is used for receiving a current recovered power limiting signal of the power battery and detecting the SOC state of the power battery so as to determine the loss electric quantity Q of the power battery and feed back the loss electric quantity Q to the vehicle control unit; the scheme provided by the invention effectively improves the recovery rate of braking energy, meets the energy recovery requirement of the power battery under high SOC, and prolongs the endurance mileage of the electric vehicle.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a braking recovery system and method of a battery SOC and an electric automobile.
Background
For the current pure electric vehicles, the driving range is most concerned by consumers and is also the most concerned problem during driving; because the motor is different from the engine, the recovery of the braking energy of the electric automobile can prolong the driving range of the electric automobile; the relative recovery rate of the current common recovery strategy is not very high, and only relatively fixed brake recovery torque can be set, so that the brake recovery rate is small and the brake comfort is not very good; in addition, the regenerative braking torque is relatively fixed, so that the regenerative braking power is relatively high, and the energy recovery of the power battery cannot be carried out when the SOC of the battery is high.
Disclosure of Invention
The invention designs a braking recovery system and method of a battery SOC and an electric automobile, and solves the problem that the existing braking recovery system cannot recover energy when the battery SOC is in a higher state.
In order to solve the technical problems, the invention adopts the following scheme:
a braking recovery system of a battery SOC comprises a vehicle control unit, a motor controller, a driving motor, a power battery and a battery management system BMS; the vehicle control unit is used for acquiring a current vehicle speed and a brake pedal signal and outputting a brake control signal to the motor controller; the motor controller is used for receiving a braking control signal of the vehicle control unit and outputting a braking recovery torque signal to the driving motor according to a braking demand; the driving motor is used for receiving a braking recovery torque signal of the motor controller and outputting a theoretical braking recovery power signal and a recovery power control signal of the vehicle controller to judge the recovery power so as to determine the charging quantity Q1 of the rechargeable power battery; the power battery is used for outputting a current recovered power limiting signal to the battery management system BMS; the battery management system BMS is used for receiving a current recovered power limiting signal of the power battery and detecting the SOC state of the power battery so as to determine the loss electric quantity Q of the power battery and feed back the loss electric quantity Q to the vehicle control unit.
Further, the vehicle control unit judges the braking demand according to the signal of the brake pedal, analyzes and judges the demand of braking deceleration, and then outputs a braking control signal to the motor controller.
Further, the battery management system BMS collects the charging current and the voltage of the power battery in the process of regenerative braking, and carries out real-time integration on the product of the charging current I and the voltage U of the power battery, and the integration formula is as follows: q1= IUdt.
Further, the vehicle control unit judges the charging quantity Q1 in real time according to the feedback braking; when the charged amount Q1 is the same as the lost charge Q, the drive motor stops regenerative braking and mechanical braking is used instead of regenerative braking.
Further, when Q1 is less than 0.9Q, the power battery is charged according to the theoretical braking recovery power; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90 percent of the theoretical brake recovery power; when Q1 is more than or equal to Q, the driving motor stops the regenerative braking.
Further, after the brake pedal signal disappears, the lost electric quantity Q is refreshed at the start of the next braking.
Correspondingly, in combination with the above scheme, the method for recovering braking of the battery SOC further comprises the following steps:
the vehicle control unit collects a brake pedal signal, judges the braking demand according to the brake pedal signal and analyzes and judges the demand of braking deceleration;
the driving motor carries out feedback braking according to braking requirements and charges the power battery;
when the braking recovery is started, the battery management system BMS detects the SOC state of the power battery, determines the loss electric quantity Q of the power battery, and carries out real-time integration on the product of the charging current I and the voltage U of the power battery, wherein the integration formula is as follows: q1= IUdt;
when Q1 is less than 0.9Q, the power battery is charged according to the theoretical braking recovery power; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90 percent of the theoretical brake recovery power; when Q1 is more than or equal to Q, the driving motor stops the regenerative braking.
Further, the following processes are also included: after the brake pedal signal disappears, the lost electric quantity Q is refreshed again when the next braking starts.
Correspondingly, the invention further provides an electric automobile which comprises a braking recovery system of the battery SOC, wherein the braking recovery system of the battery SOC is the braking recovery system of the battery SOC.
The braking recovery system and method for the battery SOC and the electric automobile have the following beneficial effects:
by adopting the scheme, the recovery power required by braking in the current driving mode is judged by collecting the real-time vehicle speed, the brake pedal, the motor rotating speed, the battery SOC and the charged current and voltage, the braking recovery torque is determined according to the braking recovery power, and the effective recovery of the whole vehicle kinetic energy is increased; the energy recovery system can still normally recover energy when the SOC of the power battery is higher, effectively improve the recovery rate of braking energy, meet the energy recovery requirement of the power battery under high SOC, effectively reduce the energy loss in the braking process and prolong the endurance mileage of the electric vehicle; the scheme provided by the invention has the advantages of reasonable structure, convenience in implementation, convenience in popularization and capability of being directly applied to the existing electric automobile control system and effectively improving the product competitiveness of the electric automobile.
Drawings
FIG. 1: the invention relates to a brake recovery system schematic diagram of a battery SOC;
FIG. 2: the invention discloses a flow chart of a braking recovery method of a battery SOC.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
the method comprises the steps that when a vehicle controller collects current vehicle speed and brake pedal signals and outputs brake control signals to a motor controller, the vehicle controller judges braking requirements according to the brake pedal signals and analyzes and judges requirements for braking deceleration, so that braking control signals are output to the motor controller, further the vehicle controller collects the rotating speed of a driving motor in the braking process, so that the real-time rotating speed of the driving motor is obtained, the motor controller receives the brake control signals of the vehicle controller and outputs braking recovery torque signals to the driving motor according to the braking requirements, the driving motor is used for receiving braking recovery torque signals of the motor controller and outputting theoretical braking recovery power signals, the vehicle controller judges recovery power of the recovered power control signals of the vehicle controller through control logic, so that the charging capacity Q1 of the battery is determined, the charging capacity of the battery is used for outputting a current recovery power limiting signal to a battery management system BMS, and feeding back energy recovery power signals of the battery management system in a mode of feeding back the battery management system, the vehicle controller receives energy recovery power signals of the battery, the SOC, so that the battery is equal to the SOC, the SOC is equal to the SOC, when the vehicle controller meets the current recovery rate of the battery, the SOC is equal to the SOC of the SOC equivalent to the SOC, the SOC of the SOC, the SOC is equal to the SOC, the SOC is equal to be equal to.
Preferably, with reference to the above technical solution, as shown in fig. 1, in this embodiment, the vehicle controller determines the charging amount Q1 in real time according to regenerative braking; when the charging quantity Q1 is the same as the loss electric quantity Q, the driving motor stops the regenerative braking, and the mechanical braking replaces the regenerative braking, so that the energy recovery of the power battery is realized at a higher SOC point, the recovery rate of the braking energy is improved, the energy loss in the braking process is reduced, and the conversion rate of the braking energy is improved.
Preferably, with reference to the above technical solution, as shown in fig. 1, in this embodiment, when Q1 < 0.9Q, the power battery is charged according to the theoretical braking recovered power, so that the power battery performs energy recovery in the low SOC state of the battery; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90% of the theoretical brake recovery power, so that the energy recovery of the power battery is realized when the SOC high point state of the battery is realized; when Q1 is more than or equal to Q, the loss electric quantity Q is less than or equal to the charging quantity Q1, and the driving motor stops the regenerative braking; by comparing the loss electric quantity Q with the charging quantity Q1, the energy recovery of the power battery can be realized in any battery SOC state, particularly in the battery SOC high-point state, the braking energy recovery rate is effectively improved, and the energy recovery requirement of the power battery in the high SOC state is met.
Preferably, with reference to the above technical solution, as shown in fig. 1, in this embodiment, after the brake pedal signal disappears, the vehicle controller does not collect the brake pedal signal, and the loss electric quantity Q is refreshed when the next braking starts, so as to obtain the latest loss electric quantity Q, thereby playing a role of updating in real time, improving the intelligence of the system, effectively improving the recovery rate of braking energy, and meeting the energy recovery requirement of the power battery in any battery SOC state.
Correspondingly, in combination with the above solution, as shown in fig. 2, the method for recovering braking of the battery SOC further includes the following steps:
when a brake pedal is stepped on, the vehicle control unit collects a brake pedal signal, judges the braking demand according to the brake pedal signal, analyzes and judges the demand of braking deceleration and then transmits the braking demand to the motor controller;
the motor controller outputs braking recovery torque to the driving motor according to the received braking demand, the driving motor feeds back the braking torque and outputs recovery power according to the deceleration demand, and a judgment signal of the whole vehicle controller outputs the actually required recovery power to the power battery through power conversion so as to charge the power battery;
when the braking recovery is started, the battery management system BMS detects the SOC state of the power battery, determines the loss electric quantity Q of the power battery, and carries out real-time integration on the product of the charging current I and the voltage U of the power battery, wherein the integration formula is as follows: q1= IUdt, integral formula: q1= IUdt; q1 is the charge of the battery, in order to monitor the real-time charge and compare it with the chargeable amount of the battery, if the real-time charge is lower than the chargeable amount of the battery, the charge is continued, otherwise, the charge is stopped;
when Q1 is less than 0.9Q, the power battery is charged according to the theoretical braking recovery power, so that the power battery performs energy recovery when the SOC of the battery is in a low-point state; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90% of the theoretical brake recovery power, so that the energy recovery of the power battery is realized when the SOC high point state of the battery is realized; when Q1 is more than or equal to Q, the loss electric quantity Q is less than or equal to the charging quantity Q1, and the driving motor stops the regenerative braking.
Preferably, with reference to the above technical solution, as shown in fig. 2, in this embodiment, the following process is further included: after the brake pedal signal disappears, the lost electric quantity Q is refreshed again when the next braking starts; specifically, when the brake pedal is released, the power battery does not recover the braking energy, and the loss electric quantity Q is refreshed again in the next braking so as to obtain the latest loss electric quantity Q, thereby playing a role of updating in real time, improving the intelligence of the system, effectively improving the recovery rate of the braking energy, reducing the energy loss in the braking process, and improving the conversion rate of the braking energy so as to meet the energy recovery requirement of the power battery in any battery SOC state.
Correspondingly, by combining the scheme, the invention also provides the electric automobile which comprises a battery SOC braking recovery system, wherein the battery SOC braking recovery system is the battery SOC braking recovery system, and the energy loss in the braking process can be effectively reduced and the endurance mileage of the electric automobile can be improved by integrating the battery SOC braking recovery system, so that the product competitiveness can be improved.
By adopting the scheme, the recovery power required by braking in the current driving mode is judged by collecting the real-time vehicle speed, the brake pedal, the motor rotating speed, the battery SOC and the charged current and voltage, the braking recovery torque is determined according to the braking recovery power, and the effective recovery of the whole vehicle kinetic energy is increased; the energy recovery system can still normally recover energy when the SOC of the power battery is higher, effectively improve the recovery rate of braking energy, meet the energy recovery requirement of the power battery under high SOC, effectively reduce the energy loss in the braking process and prolong the endurance mileage of the electric vehicle; the scheme provided by the invention has the advantages of reasonable structure, convenience in implementation, convenience in popularization and capability of being directly applied to the existing electric automobile control system and effectively improving the product competitiveness of the electric automobile.
The invention is described above with reference to the accompanying drawings, it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (9)
1. A braking recovery system of a battery SOC is characterized by comprising a vehicle control unit, a motor controller, a driving motor, a power battery and a battery management system BMS; wherein the content of the first and second substances,
the vehicle control unit is used for acquiring the current vehicle speed and a brake pedal signal and outputting a brake control signal to the motor controller;
the motor controller is used for receiving a braking control signal of the vehicle control unit and outputting a braking recovery torque signal to the driving motor according to a braking demand;
the driving motor is used for receiving a braking recovery torque signal of the motor controller and outputting a theoretical braking recovery power signal and a recovery power control signal of the vehicle controller to judge the recovery power so as to determine the charging quantity Q1 of the power battery;
the power battery is used for outputting a current recovered power limiting signal to the battery management system BMS;
the battery management system BMS is used for receiving the current recovered power limiting signal of the power battery and detecting the SOC state of the power battery so as to determine the loss electric quantity Q of the power battery and feed back the loss electric quantity Q to the vehicle control unit.
2. The system of claim 1, wherein the vehicle control unit determines a braking demand according to a signal of a brake pedal and analyzes the demand for determining a braking deceleration, thereby outputting a braking control signal to the motor controller.
3. The system of claim 2, wherein the BMS collects the charging current and voltage of the battery during regenerative braking and integrates the product of the charging current I and the voltage U of the battery in real time according to the formula: q1= IUdt.
4. The system as claimed in claim 3, wherein the vehicle controller determines the charging amount Q1 in real time according to regenerative braking; when the charged amount Q1 is the same as the lost electric quantity Q, the drive motor stops regenerative braking and replaces regenerative braking with mechanical braking.
5. The braking recovery system for the SOC of the battery according to claim 4, wherein when Q1 < 0.9Q, the power battery is charged according to the theoretical braking recovery power; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90% of the theoretical brake recovery power; and when the Q1 is more than or equal to Q, stopping the regenerative braking of the driving motor.
6. The system according to any one of claims 1 to 5, wherein after the brake pedal signal disappears, the lost charge Q is refreshed at the beginning of the next braking.
7. A braking recovery method of a battery SOC is characterized by comprising the following processes:
s1: the vehicle control unit collects a brake pedal signal, judges the braking demand according to the brake pedal signal and analyzes and judges the demand of braking deceleration;
s2: the driving motor carries out feedback braking according to braking requirements and charges the power battery;
s3: when the braking recovery is started, a battery management system BMS detects the SOC state of the power battery, determines the loss electric quantity Q of the power battery, and carries out real-time integration on the product of the charging current I and the voltage U of the power battery, wherein the integration formula is as follows: q1= IUdt;
s4: when Q1 is less than 0.9Q, the power battery is charged according to the theoretical braking recovery power; when Q1 is more than or equal to 0.9Q and less than Q, the driving motor reduces the recovery power of the recovery brake to limit the recovery power to 90% of the theoretical brake recovery power; and when the Q1 is more than or equal to Q, stopping the regenerative braking of the driving motor.
8. The instantaneous endurance calculation method of the electric vehicle according to claim 7, further comprising the following processes: and after the brake pedal signal disappears, refreshing the lost electric quantity Q when the next braking starts.
9. An electric vehicle comprising a brake recovery system of a battery SOC, characterized in that the brake recovery system of the battery SOC is a brake recovery system of the battery SOC according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932058.2A CN110667394B (en) | 2019-09-29 | 2019-09-29 | Battery SOC brake recovery system and method and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932058.2A CN110667394B (en) | 2019-09-29 | 2019-09-29 | Battery SOC brake recovery system and method and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110667394A true CN110667394A (en) | 2020-01-10 |
| CN110667394B CN110667394B (en) | 2022-06-21 |
Family
ID=69080057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910932058.2A Active CN110667394B (en) | 2019-09-29 | 2019-09-29 | Battery SOC brake recovery system and method and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110667394B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267626A (en) * | 2020-01-21 | 2020-06-12 | 浙江吉利新能源商用车集团有限公司 | Braking energy recovery method and system and electric automobile |
| CN112092636A (en) * | 2020-08-24 | 2020-12-18 | 奇瑞新能源汽车股份有限公司 | Electric vehicle, regenerative braking control method and device thereof, and storage medium |
| CN112158075A (en) * | 2020-10-10 | 2021-01-01 | 广州小鹏汽车科技有限公司 | Energy recovery method, energy recovery device, vehicle and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003125502A (en) * | 1995-09-05 | 2003-04-25 | Toyota Motor Corp | Method of controlling regenerative brake for electric vehicle, and method of preventing overcharging |
| US20050189894A1 (en) * | 2004-03-01 | 2005-09-01 | Nissan Motor Co., Ltd. | Regeneration control for hybrid vehicle |
| CN101648523A (en) * | 2009-09-04 | 2010-02-17 | 奇瑞汽车股份有限公司 | Recycling system of braking energy of electric automobiles and control method thereof |
| CN102343824A (en) * | 2010-07-30 | 2012-02-08 | 北汽福田汽车股份有限公司 | Regenerative braking control method of electric car and device thereof |
| CN103079926A (en) * | 2010-12-06 | 2013-05-01 | 日野自动车株式会社 | Regenerative control device, hybrid vehicle, regenerative control method, and program |
| CN104859459A (en) * | 2014-07-30 | 2015-08-26 | 北汽福田汽车股份有限公司 | Method for determining regenerative braking torque |
| CN108128171A (en) * | 2017-12-21 | 2018-06-08 | 成都客车股份有限公司 | The brake energy feedback system of electric vehicle and the slow method of electricity |
-
2019
- 2019-09-29 CN CN201910932058.2A patent/CN110667394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003125502A (en) * | 1995-09-05 | 2003-04-25 | Toyota Motor Corp | Method of controlling regenerative brake for electric vehicle, and method of preventing overcharging |
| US20050189894A1 (en) * | 2004-03-01 | 2005-09-01 | Nissan Motor Co., Ltd. | Regeneration control for hybrid vehicle |
| CN101648523A (en) * | 2009-09-04 | 2010-02-17 | 奇瑞汽车股份有限公司 | Recycling system of braking energy of electric automobiles and control method thereof |
| CN102343824A (en) * | 2010-07-30 | 2012-02-08 | 北汽福田汽车股份有限公司 | Regenerative braking control method of electric car and device thereof |
| CN103079926A (en) * | 2010-12-06 | 2013-05-01 | 日野自动车株式会社 | Regenerative control device, hybrid vehicle, regenerative control method, and program |
| CN104859459A (en) * | 2014-07-30 | 2015-08-26 | 北汽福田汽车股份有限公司 | Method for determining regenerative braking torque |
| CN108128171A (en) * | 2017-12-21 | 2018-06-08 | 成都客车股份有限公司 | The brake energy feedback system of electric vehicle and the slow method of electricity |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267626A (en) * | 2020-01-21 | 2020-06-12 | 浙江吉利新能源商用车集团有限公司 | Braking energy recovery method and system and electric automobile |
| CN112092636A (en) * | 2020-08-24 | 2020-12-18 | 奇瑞新能源汽车股份有限公司 | Electric vehicle, regenerative braking control method and device thereof, and storage medium |
| CN112158075A (en) * | 2020-10-10 | 2021-01-01 | 广州小鹏汽车科技有限公司 | Energy recovery method, energy recovery device, vehicle and storage medium |
| CN112158075B (en) * | 2020-10-10 | 2021-12-07 | 广州小鹏汽车科技有限公司 | Energy recovery method, energy recovery device, vehicle and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110667394B (en) | 2022-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108944900B (en) | Fuel cell automobile energy management control method | |
| CN108544937B (en) | Automobile storage battery charging and discharging management method and system | |
| CN110576750A (en) | braking energy recovery system of hydrogen fuel cell automobile | |
| CN101489824B (en) | Vehicle power control device | |
| CN110667394B (en) | Battery SOC brake recovery system and method and electric automobile | |
| EP1254805B1 (en) | A system and strategy to control the state of charge of a battery based on vehicle velocity | |
| CN103448564B (en) | The control method of vehicle power supply device and control device | |
| CN103072492B (en) | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system | |
| US20030231005A1 (en) | Battery control apparatus | |
| CN103384623B (en) | Elec. vehicle and control method thereof | |
| JP2009142062A (en) | Vehicular power supply unit | |
| CN102166963A (en) | Brake energy feedback control method of pure electric automobile | |
| CN110641457B (en) | Gradient identification-based control system and method for series-parallel wide-body dump truck | |
| CN112693464A (en) | Braking energy feedback control method suitable for new energy commercial vehicle | |
| CN113696748B (en) | Fuel cell power supply system, control method and control device thereof | |
| US20150231979A1 (en) | Electric vehicle with an on-board charger | |
| CN101624051A (en) | Externally connected rechargeable hybrid power vehicle hardware system and control method thereof | |
| CN111619400A (en) | Vehicle, power system, battery SOC control and charging threshold determination method | |
| CN208376535U (en) | Regenerative brake control system | |
| CN104097632A (en) | Hybrid vehicle and method for controlling hybrid vehicle | |
| CN111055724B (en) | Energy management system and method for pure electric automobile, vehicle and storage medium | |
| CN104960431A (en) | Energy distributing device and method for electric car based on lithium-rich manganese-based lithium battery | |
| CN115742883A (en) | Energy recovery power and fuel cell power distribution control system and method | |
| CN203142425U (en) | Active control type hybrid power supply for pure electric bus | |
| CN109130875B (en) | Energy recovery control method for electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |