CN110341495A - A kind of electricity drives torque control method and its system - Google Patents
A kind of electricity drives torque control method and its system Download PDFInfo
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- CN110341495A CN110341495A CN201910499558.1A CN201910499558A CN110341495A CN 110341495 A CN110341495 A CN 110341495A CN 201910499558 A CN201910499558 A CN 201910499558A CN 110341495 A CN110341495 A CN 110341495A
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- 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
- B60L2240/545—Temperature
-
- 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
- B60L2240/549—Current
-
- 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 electricity to drive torque control method, includes the following steps: S1. by motor speed value by comparing to obtain maximum torque with motor external characteristic table；S2. throttle related coefficient is obtained by comparing with throttle correlation coefficient value by driver's throttle；S3. battery SOC torque limit coefficient is obtained by comparing with battery SOC torque limit coefficient value by the battery dump energy that battery management system is sent；S4. command torque value is obtained by maximum torque and throttle related coefficient, battery SOC torque limit multiplication again；S5. output order torque or 0 torque are judged by torque output switching signal；S6. battery maximum current limit value is obtained by the battery temperature that battery management system is sent；S7. maximum output torque value is limited by battery maximum current limit value；S8. it is exported after the torque filter of step S7 being corrected as final output torque.The present invention also provides a kind of electricity to drive torque control system.The present invention increases battery temperature and carrys out limiting motor output torque value, improves service life.
Description
Technical field
The invention belongs to automobile technical fields, and more specifically more particularly to a kind of electricity drives torque control method, simultaneously also
It is related to a kind of electricity drive torque control system.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.In face of energy conservation with environmental protection dual-pressure, auto industry to sustainable development just
New-energy automobile must be greatly developed.Electric car (BEV) refers to using vehicle power supply as power, with motor driven wheels travel,
Meet the vehicle of road traffic, security legislation requirements.
With the development of technologies various in terms of automobile, the development on pure electric automobile and hybrid vehicle is also taken now
Obtained progress.Driving motor just compares as the driving source on present pure electric vehicle and hybrid vehicle, the control of driving motor
It is important, the especially moment of torsion control of driving motor.Present widely used driving motor control method is mainly turned by motor
Speed value, driver's throttle and battery SOC (battery dump energy) codetermine the torque value of motor output.
The problem of present widely used driving motor control method is primarily present is: power battery pack is at a certain temperature
Output power is limited.And motor is codetermined by motor speed value, driver's throttle and battery SOC (battery dump energy) at this time
The torque for needing to export is larger, which has been more than the normal power that battery pack can export at such a temperature, needs battery pack strong
The high-power output of property processed, greatly reduces the service life of power battery.
Therefore, it is proposed that a kind of electricity drives torque control method and its system.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, the present invention increases on the basis of pervious
Battery temperature carrys out limiting motor output torque value, so as not to battery pack forced in the limited situation of oneself fan-out capability it is high-power defeated
Out, the service life of power battery can be improved, and a kind of electricity proposed drives torque control method and its system.
To achieve the above object, the invention provides the following technical scheme:
A kind of electricity drive torque control method, includes the following steps:
S1. by motor speed value by comparing to obtain maximum torque with motor external characteristic table；
S2. throttle related coefficient is obtained by comparing with throttle correlation coefficient value by driver's throttle；
S3. the battery dump energy sent by battery management system with battery SOC torque limit coefficient value by comparing to obtain electricity
Pond SOC torque limit coefficient；
S4. command torque value is obtained by maximum torque and throttle related coefficient, battery SOC torque limit multiplication again；
S5. output order torque or 0 torque are judged by torque output switching signal；
S6. battery maximum current limit value is obtained by the battery temperature that battery management system is sent；
S7. maximum output torque value is limited by battery maximum current limit value；
S8. it is exported after the torque filter of step S7 being corrected as final output torque.
Preferably, torque output switching signal is common by shift, feedback and output, direction of motor rotation in the step S5
It determines.
Preferably, the concrete operation method of the step S7 an are as follows: peak torque is obtained by battery maximum current limit value
Value, the smaller between torque value for taking the torque value and step S5 to export export.
Preferably, the modified operating method of torque filter in the step S8 are as follows: according to torque precision calibration formula and
Command torque value or battery maximum current limit value obtain the amendment output torque that a maximum torque obtains motor, using ladder
Final output torque is used as after the mutation of the method elimination torque of degree.
The present invention also provides a kind of electricity to drive torque control system, comprising:
Detection module, for detect the motor speed value under normal vehicle operation state, driver's throttle, battery dump energy and
Battery temperature；
Acquisition module is used further to basis for acquiring motor speed value, driver's throttle, battery dump energy and battery temperature
Motor speed value, driver's throttle, battery dump energy and battery temperature obtain maximum torque, throttle correlation coefficient value, turn round
Square limit coefficient value and battery maximum current limit value；
Computing module is turned round for obtaining instruction by maximum torque and throttle related coefficient, battery SOC torque limit multiplication
Square value obtains a maximum torque by battery maximum current limit value；
Compare and judgment module, for compare instruction torque value and the maximum torque of battery maximum current limit value limitation and progress
Judgement；
Control module controls vehicle when for being less than the maximum torque of battery maximum current limit value limitation when command torque value
Driving motor vehicle is driven using command torque value as motor output torque, otherwise control driving motor with battery maximum current
The maximum torque of limit value limitation drives vehicle as motor output torque.
It preferably, further include filtered correction module, for according to torque precision calibration formula and command torque value or battery
Maximum current limit value obtains the amendment output torque that a maximum torque obtains motor, eliminates torque using the method for gradient
Mutation after be used as final output torque.
Technical effect and advantage of the invention:
A kind of electricity provided by the invention drives torque control method and its system, and the present invention can limit power electric by battery temperature
The maximum output current in pond, to limit the peak torque that can be exported of power battery at such a temperature, final output motor
Torque value is centainly less than equal to the torque value, is increased battery temperature and is carried out limiting motor output torque value, in case battery pack exists
High-power output is forced in the limited situation of oneself fan-out capability, the service life of power battery can be improved.
Detailed description of the invention
Fig. 1 is the flow diagram that a kind of electricity of the invention drives torque control method；
Fig. 2 is the module diagram that a kind of electricity of the invention drives moment of torsion control control system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of electricity drive torque control method, includes the following steps:
S1. by motor speed value by comparing to obtain maximum torque with motor external characteristic table；
S2. throttle related coefficient is obtained by comparing with throttle correlation coefficient value by driver's throttle；
S3. the battery dump energy sent by battery management system with battery SOC torque limit coefficient value by comparing to obtain electricity
Pond SOC torque limit coefficient；
S4. command torque value is obtained by maximum torque and throttle related coefficient, battery SOC torque limit multiplication again；
S5. output order torque or 0 torque are judged by torque output switching signal；
S6. battery maximum current limit value is obtained by the battery temperature that battery management system is sent；
S7. maximum output torque value is limited by battery maximum current limit value；
S8. it is exported after the torque filter of step S7 being corrected as final output torque.
Specifically, torque output switching signal is common by shift, feedback and output, direction of motor rotation in the step S5
It determines.
Specifically, the concrete operation method of the step S7 are as follows: obtain a peak torque by battery maximum current limit value
Value, the smaller between torque value for taking the torque value and step S5 to export export.
Specifically, the modified operating method of torque filter in the step S8 are as follows: according to torque precision calibration formula and
Command torque value or battery maximum current limit value obtain the amendment output torque that a maximum torque obtains motor, using ladder
Final output torque is used as after the mutation of the method elimination torque of degree.
The present invention also provides a kind of electricity to drive torque control system, comprising:
Detection module, for detect the motor speed value under normal vehicle operation state, driver's throttle, battery dump energy and
Battery temperature；
Acquisition module is used further to basis for acquiring motor speed value, driver's throttle, battery dump energy and battery temperature
Motor speed value, driver's throttle, battery dump energy and battery temperature obtain maximum torque, throttle correlation coefficient value, turn round
Square limit coefficient value and battery maximum current limit value；
Computing module is turned round for obtaining instruction by maximum torque and throttle related coefficient, battery SOC torque limit multiplication
Square value obtains a maximum torque by battery maximum current limit value；
Compare and judgment module, for compare instruction torque value and the maximum torque of battery maximum current limit value limitation and progress
Judgement；
Control module controls vehicle when for being less than the maximum torque of battery maximum current limit value limitation when command torque value
Driving motor vehicle is driven using command torque value as motor output torque, otherwise control driving motor with battery maximum current
The maximum torque of limit value limitation drives vehicle as motor output torque.
Specifically, further including filtered correction module, for according to torque precision calibration formula and command torque value or battery
Maximum current limit value obtains the amendment output torque that a maximum torque obtains motor, eliminates torque using the method for gradient
Mutation after be used as final output torque.
In summary: the present invention can limit the maximum output current of power battery by battery temperature, so that limitation is dynamic
The peak torque that can be exported of power battery at such a temperature, final output motor torque values are centainly less than equal to the torque
Value, increases battery temperature and carrys out limiting motor output torque value, in case battery pack is strong in the limited situation of oneself fan-out capability
High-power output is made, the service life of power battery can be improved.
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 (6)
1. a kind of electricity drives torque control method, which comprises the steps of:
S1. by motor speed value by comparing to obtain maximum torque with motor external characteristic table；
S2. throttle related coefficient is obtained by comparing with throttle correlation coefficient value by driver's throttle；
S3. the battery dump energy sent by battery management system with battery SOC torque limit coefficient value by comparing to obtain electricity
Pond SOC torque limit coefficient；
S4. command torque value is obtained by maximum torque and throttle related coefficient, battery SOC torque limit multiplication again；
S5. output order torque or 0 torque are judged by torque output switching signal；
S6. battery maximum current limit value is obtained by the battery temperature that battery management system is sent；
S7. maximum output torque value is limited by battery maximum current limit value；
S8. it is exported after the torque filter of step S7 being corrected as final output torque.
2. a kind of electricity according to claim 1 drives torque control method, it is characterised in that: torque exports in the step S5
Switching signal is codetermined by shift, feedback and output, direction of motor rotation.
3. a kind of electricity according to claim 1 drives torque control method, it is characterised in that: the concrete operations of the step S7
Method are as follows: a maximum torque is obtained by battery maximum current limit value, the torque value for taking the torque value and step S5 to export it
Between smaller output.
4. a kind of electricity according to claim 3 drives torque control method, it is characterised in that: the torque mistake in the step S8
Filter modified operating method are as follows: obtain one according to torque precision calibration formula and command torque value or battery maximum current limit value
Maximum torque obtains the amendment output torque of motor, is used as final output after the mutation of torque is eliminated using the method for gradient
Torque.
5. a kind of electricity according to any one of claims 1-4 drives torque control system characterized by comprising
Detection module, for detect the motor speed value under normal vehicle operation state, driver's throttle, battery dump energy and
Battery temperature；
Acquisition module is used further to basis for acquiring motor speed value, driver's throttle, battery dump energy and battery temperature
Motor speed value, driver's throttle, battery dump energy and battery temperature obtain maximum torque, throttle correlation coefficient value, turn round
Square limit coefficient value and battery maximum current limit value；
Computing module is turned round for obtaining instruction by maximum torque and throttle related coefficient, battery SOC torque limit multiplication
Square value obtains a maximum torque by battery maximum current limit value；
Compare and judgment module, for compare instruction torque value and the maximum torque of battery maximum current limit value limitation and progress
Judgement；
Control module controls vehicle when for being less than the maximum torque of battery maximum current limit value limitation when command torque value
Driving motor vehicle is driven using command torque value as motor output torque, otherwise control driving motor with battery maximum current
The maximum torque of limit value limitation drives vehicle as motor output torque.
6. a kind of electricity according to claim 5 drives torque control system, it is characterised in that: it further include filtered correction module,
It is obtained for obtaining a maximum torque according to torque precision calibration formula and command torque value or battery maximum current limit value
The amendment output torque of motor is used as final output torque after eliminating the mutation of torque using the method for gradient.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499558.1A CN110341495A (en) | 2019-06-11 | 2019-06-11 | A kind of electricity drives torque control method and its system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499558.1A CN110341495A (en) | 2019-06-11 | 2019-06-11 | A kind of electricity drives torque control method and its system |
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| CN110341495A true CN110341495A (en) | 2019-10-18 |
Family
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949144A (en) * | 2019-11-29 | 2020-04-03 | 北京理工大学 | Control method and system for output torque of electric automobile |
| CN111055724A (en) * | 2019-12-30 | 2020-04-24 | 重庆长安汽车股份有限公司 | Energy management system and method for pure electric automobile, vehicle and storage medium |
| CN111114526A (en) * | 2019-12-18 | 2020-05-08 | 北斗航天汽车（北京）有限公司 | Driving control method, system and device of electric automobile |
| CN112455241A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Automobile power system control method, device, equipment and storage medium |
| CN113978311A (en) * | 2021-10-15 | 2022-01-28 | 潍柴动力股份有限公司 | Battery temperature correction method and device and electronic equipment |
| CN115716413B (en) * | 2022-11-28 | 2024-04-26 | 重庆赛力斯凤凰智创科技有限公司 | Torque control method, device, equipment and storage medium |
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| JP2005218250A (en) * | 2004-01-30 | 2005-08-11 | Mitsubishi Motors Corp | Torque controller |
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| CN107139776A (en) * | 2017-05-12 | 2017-09-08 | 吉林大学 | A kind of pure electric automobile operator demand's torque estimation method based on informix |
| CN108809185A (en) * | 2018-06-27 | 2018-11-13 | 安徽江淮汽车集团股份有限公司 | A kind of method and system of the Motor torque control of electric vehicle |
| CN109774491A (en) * | 2017-11-10 | 2019-05-21 | 宝沃汽车（中国）有限公司 | Torque control method, system, vehicle control device and the electric car of electric car |
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| JP2005218250A (en) * | 2004-01-30 | 2005-08-11 | Mitsubishi Motors Corp | Torque controller |
| CN104842816A (en) * | 2014-04-08 | 2015-08-19 | 北汽福田汽车股份有限公司 | Torque control method and torque control device of electric vehicle |
| CN107139776A (en) * | 2017-05-12 | 2017-09-08 | 吉林大学 | A kind of pure electric automobile operator demand's torque estimation method based on informix |
| CN109774491A (en) * | 2017-11-10 | 2019-05-21 | 宝沃汽车（中国）有限公司 | Torque control method, system, vehicle control device and the electric car of electric car |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949144A (en) * | 2019-11-29 | 2020-04-03 | 北京理工大学 | Control method and system for output torque of electric automobile |
| CN110949144B (en) * | 2019-11-29 | 2021-04-06 | 北京理工大学 | Control method and system for output torque of electric automobile |
| CN111114526A (en) * | 2019-12-18 | 2020-05-08 | 北斗航天汽车（北京）有限公司 | Driving control method, system and device of electric automobile |
| CN111114526B (en) * | 2019-12-18 | 2021-06-08 | 北斗航天汽车（北京）有限公司 | Driving control method, system and device of electric automobile |
| CN111055724A (en) * | 2019-12-30 | 2020-04-24 | 重庆长安汽车股份有限公司 | Energy management system and method for pure electric automobile, vehicle and storage medium |
| CN112455241A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Automobile power system control method, device, equipment and storage medium |
| CN113978311A (en) * | 2021-10-15 | 2022-01-28 | 潍柴动力股份有限公司 | Battery temperature correction method and device and electronic equipment |
| CN115716413B (en) * | 2022-11-28 | 2024-04-26 | 重庆赛力斯凤凰智创科技有限公司 | Torque control method, device, equipment and storage medium |
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Application publication date: 20191018 |