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CN115352278A - Electric automobile grading driving system and control method thereof - Google Patents

Electric automobile grading driving system and control method thereof Download PDF

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Publication number
CN115352278A
CN115352278A CN202210754874.0A CN202210754874A CN115352278A CN 115352278 A CN115352278 A CN 115352278A CN 202210754874 A CN202210754874 A CN 202210754874A CN 115352278 A CN115352278 A CN 115352278A
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CN
China
Prior art keywords
pedal
accelerator pedal
opening threshold
accelerator
processing module
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Granted
Application number
CN202210754874.0A
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Chinese (zh)
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CN115352278B (en
Inventor
葛林杉
魏王睿
张鹏飞
马程翔
白鹍鹏
刘维生
潘禹澎
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Faw Besturn Automotive Co ltd
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FAW Bestune Car Co Ltd
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Priority to CN202210754874.0A priority Critical patent/CN115352278B/en
Publication of CN115352278A publication Critical patent/CN115352278A/en
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Publication of CN115352278B publication Critical patent/CN115352278B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • 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
    • B60L2250/00—Driver interactions
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/26—Driver interactions by pedal actuation
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/26—Driver interactions by pedal actuation
    • B60L2250/28—Accelerator pedal thresholds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/18—Propelling the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a grading driving system of an electric automobile and a control method thereof, belonging to the technical field of grading driving of the electric automobile. The invention provides a graded driving system of an electric vehicle and a control method thereof.

Description

Electric automobile grading driving system and control method thereof
Technical Field
The invention discloses a grading driving system of an electric automobile and a control method thereof, and belongs to the technical field of grading driving of electric automobiles.
Background
With a series of policies issued by the state to accelerate the promotion of the scientific and technological development of the electric automobile, the electric automobile is researched and developed by increasing the strength of each large host factory and a new automobile manufacturing enterprise, and the sales volume ratio of the electric automobile is continuously enlarged from the current sales volume data. The motor torque response block has large rotating speed interval and rapid power output, most of the current pure electric vehicles mainly use a single-motor single-stage reducer, and the more complicated transmission mechanism of the traditional vehicle is reduced. But under certain driving mode, single motor single reduction gear also can make the vehicle drive simpler, does not have traditional car gear shift to experience, has reduced the driving enjoyment of vehicle to a certain extent and dimension.
Disclosure of Invention
The invention aims to solve the problems that the existing single-motor single-stage speed reducer can also enable the vehicle to be driven simply, the traditional vehicle gear shifting experience is avoided, and the driving pleasure of the vehicle is reduced to a certain extent and dimension, and provides a grading driving system of an electric vehicle and a control method thereof.
The invention aims to solve the problems and is realized by the following technical scheme:
the grading calculation module is electrically connected with the coordination module, the pedal processing module, the input information processing module and the output information processing module respectively, and the coordination module and the pedal processing module are electrically connected with the input information processing module.
A control method of a grading drive system of an electric automobile comprises the following steps:
the input information processing module acquires and sends a starting drive grading mode, a drive grading grade and conversion intensity to the coordination module;
the coordination module receives the stage number and the conversion strength information locked by the input information processing module, identifies the current driving mode, and calls corresponding pedal curve data according to the current driving mode;
the pedal processing module obtains a difference value between the opening threshold of the front pedal stepping on the accelerator pedal and the opening threshold of the rear pedal stepping on the accelerator pedal by detecting the opening threshold of the front pedal stepping on the accelerator pedal and the opening threshold of the rear pedal stepping on the accelerator pedal, and detects the change time of the accelerator pedal and the holding time of the opening threshold of the rear pedal after the change of the opening of the pedal. Obtaining a difference value between an accelerator opening threshold value before the accelerator pedal is released and an accelerator opening threshold value after the accelerator pedal is released by detecting the accelerator opening threshold value before the accelerator pedal is released and the accelerator opening threshold value after the accelerator pedal is released, and detecting accelerator pedal change time and accelerator opening threshold value holding time after the accelerator pedal is changed;
the classification calculation module calculates and defines a transition working condition according to the vehicle speed information, the strength information, the difference value of the opening threshold of the pedal before the accelerator pedal is stepped on and the opening threshold of the pedal after the accelerator pedal is stepped on, the difference value of the opening threshold of the accelerator pedal before the accelerator pedal is released and the opening threshold of the accelerator pedal after the accelerator pedal is released, the opening threshold of the pedal before the accelerator pedal is detected, the opening threshold of the pedal after the accelerator pedal is stepped on, the opening threshold of the accelerator pedal before the accelerator pedal is released and the opening threshold of the accelerator pedal after the accelerator pedal is released;
the output information processing module outputs transition working conditions according to the grading calculation module and sends the transition working conditions to the CAN bus, interacts with the MCU, processes pedal information at the same time and sends the pedal information to the CAN bus.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a graded driving system of an electric vehicle and a control method thereof.
Drawings
FIG. 1 is an information interaction block diagram of a hierarchical driving system of an electric vehicle according to the present invention.
Detailed Description
The invention is further illustrated below with reference to the accompanying drawing 1:
the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a first embodiment of the present invention provides a hierarchical driving system for an electric vehicle based on the prior art, which includes a hierarchical computing module electrically connected to a coordination module, a pedal processing module, an input information processing module, and an output information processing module, respectively, and the coordination module and the pedal processing module are electrically connected to the input information processing module.
The second embodiment of the present invention provides a control method for a step drive system of an electric vehicle based on the first embodiment, including:
the input information processing module comprises a driver which selects to start a driving grading mode through an instrument virtual key, defaults to a setting state when the driver exits at the last time after starting, further the driver can select driving grading levels through a sub-key, 1, 2 and 3 levels can be distinguished, and meanwhile, the driver can select conversion strength through the sub-key and can select three levels, namely light, medium and heavy.
The coordination module is used for receiving the locked progression and conversion intensity information of the input information processing module, identifying the current driving mode, and directly calling pedal curve data corresponding to the normal mode if the current driving mode is the normal mode; if the current driving mode is not the normal mode, the current pedal curve data is switched to the pedal curve data in the normal mode. The module only performs internal logic processing and does not display normal mode information on the meter.
A pedal processing module for detecting a threshold TH of pedal opening before stepping on the accelerator pedal if And a pedal opening threshold TH after stepping on the accelerator pedal ia To obtain TH i△ ＝TH ia -TH if Detecting the time t of change of the accelerator pedal i△ And pedal opening threshold holding time t after pedal opening change ih . By detecting a threshold value TH of accelerator pedal opening before the accelerator pedal is released of And accelerator pedal opening threshold TH after accelerator pedal is released oa To obtain TH o△ ＝TH of -TH oa Detecting the time t of change of the accelerator pedal o△ And accelerator pedal opening threshold hold time t after pedal opening change oh ，t i△ 、t ih 、t o△ 、t oh Outputting TH when the set condition is satisfied i△ 、TH o△ 、TH if 、TH ia 、TH of 、TH oa 。
A comprehensive calculation module for calculating the intensity of the vehicle based on the speed information and TH i△ 、TH o△ 、TH if 、TH ia 、TH of 、TH oa And comprehensively calculating the equivalent information to determine the transition working condition. The excessive working condition is coordinated and controlled through an accelerator pedal and torque, and the performance of grading driving of the whole vehicle is realized. And the module also comprises a torque coordination process when the stepped driving is exited.
The current vehicle speed is in the range of 0-20kph and above 70kph, and acceleration grading driving is not allowed;
and (3) performing acceleration grading driving when the current vehicle speed is in an interval of 20-70 kph:
when the number of the selection stages is 2,
TH i△ not more than 40%, not carrying out accelerated stage driving;
TH i△ and if the driving speed is more than 40 percent, performing primary acceleration grading driving.
Torque from TH if The corresponding torque value is raised To (TH) if +TH i△ /2) torque value corresponding to position and torque output is maintained, and vehicle speed before vehicle acceleration is V b When the vehicle accelerates to V b1 ＝V b +K v *TH i△ And setting as a torque change point, and Kv needs to be calibrated by a real vehicle. The change rule is that the torque is reduced To (TH) rapidly if +TH i△ V 2) corresponding torque value K d And (4) multiplying. Post reduction holding torque t keep Time, t keep After which the torque passes through a certain slope G up Is pulled up to TH ia K of corresponding torque value u The torque value after pull-up cannot be larger than that at full accelerator pedal. After being pulled up, the voltage is controlled to be reduced to TH by filtering ia The torque value of (a). Wherein K d 、t keep 、K u It can be calibrated. G up The calibration can be performed, and light, medium and heavy can be distinguished according to the selected conversion intensity.
When the number of selection levels is 3
TH i△ No more than 30%, no acceleration grading drive;
30％＜TH i△ less than or equal to 60 percent, intoCarrying out primary acceleration grading driving;
torque from TH if The corresponding torque value is raised To (TH) if +TH i△ /2) torque value corresponding to position and torque output is maintained, and vehicle speed before vehicle acceleration is V b When the vehicle accelerates to V b1 ＝V b +K v *TH i△ Set as the torque change point. The change rule is that the torque is reduced To (TH) rapidly if +TH i△ V 2) K of the corresponding torque value d And (4) doubling. Reduced post-holding torque t keep Time, t keep After which the torque passes through a certain slope G up Is pulled up to TH ia K of corresponding torque value u The torque value after pull-up cannot be larger than that at full accelerator pedal. After being pulled up, the voltage is controlled to be reduced to TH by filtering ia The torque value of (c). Wherein K v 、K d 、t keep 、K u It can be calibrated. G up The calibration can be performed, and light, medium and heavy can be distinguished according to the selected conversion intensity.
TH i△ More than 60%, carrying out two times of acceleration and grading driving;
torque from TH if The corresponding torque value is raised To (TH) if +TH i△ And/3) torque value corresponding to the position and maintaining torque output, and the vehicle speed is V before vehicle acceleration b When the vehicle accelerates to V b1 ＝V b +K v *TH i△ Set as the torque change point. The change rule is that the torque is reduced To (TH) rapidly if +TH i△ /3) K of the position-dependent torque value d And (4) doubling. Post reduction holding torque t keep Time, t keep After which the torque passes through a certain slope G up Is pulled up to [ TH ] if +(2*TH i△ /3)]K of position-dependent torque value u Double, maintain torque output after pull-up, when vehicle accelerates to V b2 ＝V b1 +K v1 *TH i△ Set as a torque change point, the change rule is that the torque is reduced to [ TH ] rapidly if +(2*TH i△ /3)]K of the position-dependent torque value d1 And (4) multiplying. Reduced post-holding torque t keep Time, t keep After which the torque passes through a certain slope G up Is pulled up to TH ia K of the torque value u The torque value after the pulling-up cannot be larger than that of the full accelerator pedal, and the torque value after the pulling-up is reduced to TH through filtering control ia The torque value of (c). Wherein K v 、K v1 、K d 、t keep 、K u It can be calibrated. G up The calibration can be performed, and light, medium and heavy can be distinguished according to the selected conversion intensity.
The vehicle speed is more than 30kph, the brake switch is not set, TH oa =0% and TH o△ If the speed is more than 40 percent, carrying out primary speed reduction and grading drive;
recording the current vehicle speed V b When the vehicle speed is reduced to V, the torque is reduced from the current torque value to the coasting torque value and is output along with the torque b And half of it is set as a torque change point. V b The coasting torque corresponding to the vehicle speed is recorded as T C The torque variation law is T Cp ＝(1-K c )*T C . To reach T Cp Thereafter maintaining the torque t keep Time until t is satisfied keep The torque then decreases through a certain slope to the creep torque. Wherein K c 、t keep It can be calibrated.
And the output information processing module is used for enabling the driver to select an acceleration grading mode and feeding Grade back to the instrument to replace the driving mode for display. And the torque information is output by the comprehensive calculation module and is sent to a CAN bus to interact with the MCU. Meanwhile, pedal information is processed and sent to the CAN bus.
While embodiments of the invention have been disclosed above, it is not intended that they be limited to the applications set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept as defined by the claims and their equivalents.

Claims (2)

1. The grading driving system of the electric automobile is characterized by comprising a grading calculation module, wherein the grading calculation module is electrically connected with a coordination module, a pedal processing module, an input information processing module and an output information processing module respectively, and the coordination module and the pedal processing module are electrically connected with the input information processing module.
2. A control method of a grading drive system of an electric automobile is characterized by comprising the following steps:
the input information processing module acquires and sends a starting drive grading mode, a drive grading grade and conversion intensity to the coordination module;
the coordination module receives the stage number and the conversion strength information locked by the input information processing module, identifies the current driving mode and calls corresponding pedal curve data according to the current driving mode;
the pedal processing module obtains a difference value between the pedal opening threshold value before the accelerator pedal is stepped and the pedal opening threshold value after the accelerator pedal is stepped by detecting the pedal opening threshold value before the accelerator pedal is stepped and the pedal opening threshold value after the accelerator pedal is stepped, and detects the accelerator pedal change time and the pedal opening threshold value holding time after the pedal opening is changed. Obtaining a difference value between an accelerator opening threshold value before the accelerator pedal is released and an accelerator opening threshold value after the accelerator pedal is released by detecting the accelerator opening threshold value before the accelerator pedal is released and the accelerator opening threshold value after the accelerator pedal is released, and detecting accelerator pedal change time and accelerator opening threshold value holding time after the accelerator pedal opening is changed;
the classification calculation module calculates and defines a transition working condition according to the vehicle speed information, the strength information, the difference value of the opening threshold of the pedal before the accelerator pedal is stepped on and the opening threshold of the pedal after the accelerator pedal is stepped on, the difference value of the opening threshold of the accelerator pedal before the accelerator pedal is released and the opening threshold of the accelerator pedal after the accelerator pedal is released, the opening threshold of the pedal before the accelerator pedal is detected, the opening threshold of the pedal after the accelerator pedal is stepped on, the opening threshold of the accelerator pedal before the accelerator pedal is released and the opening threshold of the accelerator pedal after the accelerator pedal is released;
the output information processing module outputs transition working conditions according to the grading calculation module and sends the transition working conditions to the CAN bus, interacts with the MCU, processes pedal information and sends the pedal information to the CAN bus.
CN202210754874.0A 2022-06-29 2022-06-29 Electric automobile grading driving system and control method thereof Active CN115352278B (en)

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Application Number Priority Date Filing Date Title
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CN115352278B CN115352278B (en) 2024-07-12

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107972659A (en) * 2017-10-19 2018-05-01 潍柴动力股份有限公司 Hand gear control system and control method for electric automobile
CN109139896A (en) * 2018-08-17 2019-01-04 北京航空航天大学 A kind of electric car simulation manual gear fuel vehicle gear shift method
CN109177742A (en) * 2018-08-17 2019-01-11 北京航空航天大学 A kind of electric car simulation manual gear fuel vehicle torque control method
CN109291804A (en) * 2018-08-17 2019-02-01 北京航空航天大学 A method for obtaining the engine speed of an electric vehicle simulating a manual transmission fuel vehicle
CN110562046A (en) * 2019-08-09 2019-12-13 武汉格罗夫氢能汽车有限公司 Driving characteristic-adjustable hydrogen energy automobile real-time interaction system and control method thereof
CN113771641A (en) * 2020-06-10 2021-12-10 现代自动车株式会社 Control method for generating virtual gear shift feeling of electric vehicle
CN114407674A (en) * 2022-01-14 2022-04-29 东风汽车集团股份有限公司 Single-pedal mode control method, device, equipment and storage medium for electric automobile
CN114677872A (en) * 2021-02-23 2022-06-28 北京新能源汽车股份有限公司 Motor torque control method and device for simulating manual gear

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107972659A (en) * 2017-10-19 2018-05-01 潍柴动力股份有限公司 Hand gear control system and control method for electric automobile
CN109139896A (en) * 2018-08-17 2019-01-04 北京航空航天大学 A kind of electric car simulation manual gear fuel vehicle gear shift method
CN109177742A (en) * 2018-08-17 2019-01-11 北京航空航天大学 A kind of electric car simulation manual gear fuel vehicle torque control method
CN109291804A (en) * 2018-08-17 2019-02-01 北京航空航天大学 A method for obtaining the engine speed of an electric vehicle simulating a manual transmission fuel vehicle
CN110562046A (en) * 2019-08-09 2019-12-13 武汉格罗夫氢能汽车有限公司 Driving characteristic-adjustable hydrogen energy automobile real-time interaction system and control method thereof
CN113771641A (en) * 2020-06-10 2021-12-10 现代自动车株式会社 Control method for generating virtual gear shift feeling of electric vehicle
CN114677872A (en) * 2021-02-23 2022-06-28 北京新能源汽车股份有限公司 Motor torque control method and device for simulating manual gear
CN114407674A (en) * 2022-01-14 2022-04-29 东风汽车集团股份有限公司 Single-pedal mode control method, device, equipment and storage medium for electric automobile

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