CN114643876A - New energy automobile, torque control method and device, storage medium and electronic equipment - Google Patents

New energy automobile, torque control method and device, storage medium and electronic equipment Download PDF

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Publication number
CN114643876A
CN114643876A CN202011507379.7A CN202011507379A CN114643876A CN 114643876 A CN114643876 A CN 114643876A CN 202011507379 A CN202011507379 A CN 202011507379A CN 114643876 A CN114643876 A CN 114643876A
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China
Prior art keywords
new energy
torque
energy automobile
slope
operating parameters
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Pending
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CN202011507379.7A
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Chinese (zh)
Inventor
王汝成
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Baoneng Automobile Group Co Ltd
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Baoneng Automobile Group Co Ltd
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Priority to CN202011507379.7A priority Critical patent/CN114643876A/en
Publication of CN114643876A publication Critical patent/CN114643876A/en
Pending legal-status Critical Current

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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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—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
    • 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
    • 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
    • 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 new energy automobile, a torque control method and device, a storage medium and electronic equipment. The torque control method of the new energy automobile comprises the following steps: acquiring a plurality of operating parameters of the new energy automobile; determining the torque slope of the new energy automobile according to the plurality of operating parameters; and controlling the output torque of the new energy automobile according to the torque slope. The torque control method of the new energy automobile can determine the torque slope according to a plurality of change parameters, so that the torque slope of the automobile can be changed along with the change of the running state of the automobile.

Description

New energy automobile, torque control method and device, storage medium and electronic equipment
Technical Field
The invention relates to the technical field of automobiles, in particular to a new energy automobile, a torque control method and device, a storage medium and electronic equipment.
Background
In the related art, the vehicle control unit controls the slope of the torque (i.e., the rate of increase and decrease of the torque) to be a constant value. However, in practice, the vehicle state is constantly changing, so that the related art method of controlling the vehicle according to a constant slope is not well adapted to the needs of different vehicle state changes and actual torque control.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the first purpose of the invention is to provide a torque control method of a new energy automobile. So as to determine the torque slope according to a plurality of variation parameters, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle.
A second object of the invention is to propose a computer-readable storage medium.
A third object of the invention is to propose an electronic device.
The fourth purpose of the invention is to provide a torque control device of the new energy automobile.
The fifth purpose of the invention is to provide a new energy automobile.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a torque control method for a new energy vehicle, where the method includes the following steps: acquiring a plurality of operating parameters of the new energy automobile; determining a torque slope of the new energy automobile according to the plurality of operating parameters; and controlling the output torque of the new energy automobile according to the torque slope.
According to the torque control method of the new energy automobile, a plurality of operation parameters of the new energy automobile can be obtained; determining the torque slope of the new energy automobile according to the plurality of operating parameters; so as to control the output torque of the new energy automobile according to the torque slope. Thereby, it is achieved that the torque slope is determined from a plurality of variation parameters, such that the torque slope of the vehicle may be varied as the operating state of the vehicle varies.
In addition, the torque control method of the new energy automobile provided by the invention can also have the following additional technical characteristics:
according to an embodiment of the invention, the plurality of operating parameters comprises at least two of vehicle speed, required torque, motor speed, motor electrical angle/motor rotation angle.
According to an embodiment of the present invention, there is a corresponding relationship between the plurality of operating parameters and the torque slope, and the corresponding relationship is stored in a form of a preset curve or a preset table, wherein the determining the torque slope of the new energy vehicle according to the plurality of operating parameters includes: and calling the preset curve or the encounter table according to the plurality of operating parameters to obtain the torque slope of the new energy automobile.
According to an embodiment of the invention, the torque control method of the new energy automobile further comprises the following steps: testing to obtain the relation between each torque parameter and the torque slope; and obtaining the corresponding relation according to a plurality of relations.
According to an embodiment of the present invention, the required torque includes a brake pedal required torque and/or an accelerator pedal required torque.
In order to achieve the above object, a second aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the torque control method of the new energy vehicle.
The computer readable storage medium of the embodiment of the invention, when the computer program is executed by the processor, can realize the determination of the torque slope according to a plurality of change parameters, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle.
In order to achieve the above object, a third embodiment of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory, wherein the computer program, when executed by the processor, implements the torque control method of the new energy vehicle.
According to the electronic device provided by the embodiment of the invention, the torque slope can be determined according to a plurality of change parameters by realizing the torque control method of the new energy automobile, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle.
In order to achieve the above object, a fourth aspect of the present invention provides a torque control device for a new energy vehicle, including: the acquisition module is used for acquiring a plurality of operating parameters of the new energy automobile; the determining module is used for determining the torque slope of the new energy automobile according to the plurality of operating parameters; and the control module is used for controlling the output torque of the new energy automobile according to the torque slope.
According to the torque control device of the new energy automobile, the plurality of operating parameters of the new energy automobile are obtained through the obtaining module; the determining module can determine the torque slope of the new energy automobile according to a plurality of operating parameters; therefore, the control module can control the output torque of the new energy automobile according to the torque slope. Thereby, it is achieved that the torque slope is determined from a plurality of variation parameters, such that the torque slope of the vehicle may be varied as the operating state of the vehicle varies.
In addition, the torque control device of the new energy automobile of the invention may further have the following additional technical features:
according to an embodiment of the present invention, there exists a correspondence between the plurality of operating parameters and the torque slope, the correspondence being stored in the form of a preset curve or a preset table, wherein the determining module is specifically configured to: and calling the preset curve or the preset table according to the plurality of operating parameters to obtain the torque slope of the new energy automobile.
In order to achieve the above object, a fifth embodiment of the present invention provides a new energy automobile, which includes the above electronic device, or a torque control device of the new energy automobile.
According to the new energy automobile provided by the embodiment of the invention, the torque slope can be determined according to a plurality of change parameters through the electronic equipment or the torque control device of the new energy automobile, so that the torque slope of the automobile can be changed along with the change of the running state of the automobile.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flowchart of a torque control method of a new energy vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a preset curve for one embodiment of the present invention;
fig. 3 is a block diagram of a torque control device of a new energy vehicle according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The new energy vehicle, the torque control method, the torque control device, the torque control storage medium, and the electronic apparatus according to the embodiment of the invention are described below with reference to the drawings.
Fig. 1 is a flowchart of a torque control method of a new energy vehicle according to an embodiment of the present invention.
As shown in FIG. 1, the torque control method of the new energy automobile comprises the following steps:
and S11, acquiring a plurality of operating parameters of the new energy automobile.
Wherein the plurality of operating parameters include at least two of a vehicle speed, a required torque, a motor speed, a motor electrical angle/a motor rotational angle.
Preferably, the acquiring of the plurality of operating parameters of the new energy automobile is to acquire a first operating parameter and a second operating parameter of the new energy automobile, wherein the first operating parameter is a required torque, and the second operating parameter is a vehicle speed.
And S12, determining the torque slope of the new energy automobile according to the plurality of operation parameters.
It should be noted that, there exists a corresponding relationship between the plurality of operating parameters and the torque slope, and the corresponding relationship may be stored in the form of a preset curve or a preset table. Therefore, a preset curve or a preset table can be called according to the plurality of operation parameters to obtain the torque slope of the new energy automobile.
Specifically, the relationship between each operating parameter and the torque slope may be obtained according to a test, and then the correspondence may be obtained according to a plurality of relationships.
And S13, controlling the output torque of the new energy automobile according to the torque slope.
The torque control method of the new energy vehicle in the embodiment of the invention is described below with reference to a specific example.
In this specific example, the adopted operating parameters are the first operating parameter and the second operating parameter.
Specifically, the first operating parameter and the second operating parameter may be acquired by corresponding sensors provided on the new energy vehicle. For example, the vehicle speed may be acquired by a sensor provided on a wheel, and the required torque may be acquired by a sensor provided on a pedal.
And the corresponding relation exists among the first operating parameter, the second operating parameter and the torque slope, and is stored in the form of a preset curve or a preset table.
Further, a first relation between the vehicle speed and the torque slope and a second relation between the required torque and the torque slope can be obtained through testing; and then obtaining the corresponding relation according to the first relation and the second relation.
As one example, the above correspondence may be stored in the form of a preset table, as shown in table 1 below.
TABLE 1
X/Y X1 X2 X3 …
Y1 K11 K12 K13 …
Y2 K21 K22 K23 …
Y3 K31 K32 K33 …
… … … … …
In table 1, X1, X2, and X3 … may represent the required torque, Y1, Y2, and Y3 … may represent the vehicle speed, and K11, K12, and K13 … in table 1 are the torque slope.
Specifically, a first relationship between the vehicle speed and the torque slope, and a second relationship between the required torque and the torque slope may be obtained by measurement. The first relationship may be as shown in table 2, and the second relationship may be as shown in table 3.
TABLE 2
X axis X1 X2 X3 …
K value (Torque slope) K1 K2 K3 …
TABLE 3
Y-axis Y1 Y2 Y3 …
K value (Torque slope) K1 K2 K3 …
Further, the correspondence relationship can be obtained by the first relationship in table 2 and the second relationship in table 3. For example, the correspondence shown in table 4 below can be obtained.
TABLE 4
Torque Nm/vehicle speed km h-1 300 200 100 0 -100 -200 -300 ...
0km*h-1 300 280 250 100 250 280 300
20 330 300 280 150 280 300 330
40 340 310 290 200 290 310 340
60 350 330 310 300 310 330 350
80 400 390 360 350 360 390 400
100 500 480 450 400 430 460 490
120 500 500 480 450 480 490 500
140 500 500 500 500 500 500 500
...
It should be noted that, in the preset table shown in table 4, when the torque decreases, the torque slope should be the opposite of the values in the table.
As another example, the correspondence may be stored in the form of a preset curve, which may be as shown in fig. 2. In the graph shown in fig. 2, the horizontal axis represents the magnitude of the required torque, the vertical axis represents the magnitude of the vehicle speed, and the point on the graph represents the torque gradient corresponding to the required torque corresponding to the point and the vehicle speed.
Therefore, after the preset table/curve is generated, the preset table/curve can be stored in a storage device on the vehicle or in a cloud, so that when the preset table/curve is required to be used by the vehicle, the preset table/curve can be called from a local storage or the cloud.
Further, the method for determining the torque slope of the new energy vehicle according to the first operating parameter and the second operating parameter may comprise the following steps: and calling a preset curve or a preset table according to the first operation parameter and the second operation parameter so as to obtain the torque slope of the new energy automobile.
Therefore, the torque slope of the vehicle can be changed along with the change of the running state of the vehicle, and the torque slope can be determined according to a plurality of change parameters, so that the changed torque slope can be better fitted with the running state of the vehicle.
Wherein the above-mentioned required torque includes a brake pedal required torque and/or an accelerator pedal required torque.
In summary, the torque control method of the new energy automobile according to the embodiment of the invention can determine the torque slope according to a plurality of change parameters, so that the torque slope of the vehicle can change along with the change of the running state of the vehicle. Moreover, by using multiple operating parameters to determine the torque slope, a more accurate determination of the torque slope is achieved.
Further, the present invention proposes a computer-readable storage medium.
In an embodiment of the present invention, a computer program is stored on a computer-readable storage medium, and when the computer program is executed by a processor, the method for controlling the torque of the new energy vehicle is implemented.
The computer readable storage medium of the embodiment of the invention, when the computer program is executed by the processor, can realize the determination of the torque slope according to a plurality of change parameters, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle. Moreover, by using multiple operating parameters to determine the torque slope, a more accurate determination of the torque slope is achieved.
Further, the invention provides an electronic device.
In an embodiment of the present invention, the electronic device includes a memory, a processor, and a computer program stored on the memory, and the computer program is executed by the processor to implement the torque control method of the new energy vehicle described above.
According to the electronic device provided by the embodiment of the invention, the torque slope can be determined according to a plurality of change parameters by realizing the torque control method of the new energy automobile, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle. Moreover, by using multiple operating parameters to determine the torque slope, a more accurate determination of the torque slope is achieved.
Fig. 3 is a block diagram of a torque control device of a new energy vehicle according to an embodiment of the present invention.
As shown in fig. 3, the torque control apparatus 100 of the new energy vehicle includes an obtaining module 101, a determining module 102, and a control module 103.
Specifically, the acquiring module 101 is configured to acquire a plurality of operating parameters of the new energy vehicle; the determining module 102 is used for determining a torque slope of the new energy automobile according to a plurality of operating parameters; and the control module 103 is used for controlling the output torque of the new energy automobile according to the torque slope.
The torque control device of the new energy automobile can determine the torque slope according to a plurality of change parameters, so that the torque slope of the vehicle can be changed along with the change of the running state of the vehicle.
In an embodiment of the present invention, there exists a corresponding relationship between a plurality of operating parameters and a torque slope, and the corresponding relationship is stored in a form of a preset curve or a preset table, wherein the determining module 102 is specifically configured to: and calling a preset curve or a preset table according to the plurality of operating parameters to obtain the torque slope of the new energy automobile.
Wherein the plurality of operating parameters include at least two of a vehicle speed, a required torque, a motor speed, a motor electrical angle/a motor rotational angle.
In an embodiment of the present invention, the obtaining module 102 is further specifically configured to: testing to obtain the relation between each operation parameter and the torque slope; and obtaining a corresponding relation according to the plurality of relations.
For another specific embodiment of the torque control device of the new energy vehicle according to the embodiment of the present invention, reference may be made to the torque control method of the new energy vehicle described above.
In summary, the torque control device of the new energy automobile according to the embodiment of the invention can determine the torque slope according to a plurality of change parameters, so that the torque slope of the vehicle can change along with the change of the running state of the vehicle. Moreover, by using multiple operating parameters to determine the torque slope, a more accurate determination of the torque slope is achieved.
Further, the invention provides a new energy automobile.
In an embodiment of the invention, the new energy automobile comprises the electronic device, or the torque control device of the new energy automobile.
According to the new energy automobile provided by the embodiment of the invention, the torque slope can be determined according to a plurality of change parameters through the electronic equipment or the torque control device of the new energy automobile, so that the torque slope of the automobile can be changed along with the change of the running state of the automobile. Moreover, by using multiple operating parameters to determine the torque slope, a more accurate determination of the torque slope is achieved.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The torque control method of the new energy automobile is characterized by comprising the following steps of:
acquiring a plurality of operating parameters of the new energy automobile;
determining a torque slope of the new energy automobile according to the plurality of operating parameters;
and controlling the output torque of the new energy automobile according to the torque slope.
2. The torque control method of the new energy vehicle according to claim 1, wherein the plurality of operating parameters include at least two of a vehicle speed, a required torque, a motor rotation speed, a motor electrical angle/a motor rotation angle.
3. The torque control method of the new energy vehicle according to claim 1, wherein a corresponding relationship exists between the plurality of operating parameters and a torque slope, and the corresponding relationship is stored in a form of a preset curve or a preset table, wherein the determining the torque slope of the new energy vehicle according to the plurality of operating parameters comprises:
and calling the preset curve or the preset table according to the plurality of operating parameters to obtain the torque slope of the new energy automobile.
4. The torque control method of the new energy vehicle according to claim 3, wherein the obtaining of the correspondence relationship includes:
testing to obtain the relation between each operation parameter and the torque slope;
and obtaining the corresponding relation according to a plurality of relations.
5. The torque control method of the new energy vehicle according to claim 2, wherein the required torque includes a brake pedal required torque and/or an accelerator pedal required torque.
6. A computer-readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, implements the torque control method of the new energy vehicle according to any one of claims 1 to 5.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory, wherein the computer program, when executed by the processor, implements the torque control method of the new energy vehicle of any one of claims 1-5.
8. A torque control device of a new energy automobile is characterized by comprising:
the acquisition module is used for acquiring a plurality of operating parameters of the new energy automobile;
the determining module is used for determining the torque slope of the new energy automobile according to the plurality of operating parameters;
and the control module is used for controlling the output torque of the new energy automobile according to the torque slope.
9. The torque control device of the new energy vehicle according to claim 8, wherein a corresponding relationship exists between the plurality of operating parameters and the torque slope, and the corresponding relationship is stored in a form of a preset curve or a preset table, wherein the determining module is specifically configured to:
and calling the preset curve or the encounter table according to the plurality of operating parameters to obtain the torque slope of the new energy automobile.
10. A new energy automobile, characterized by comprising the electronic device according to claim 7 or the torque control device of the new energy automobile according to claim 8 or 9.
CN202011507379.7A 2020-12-18 2020-12-18 New energy automobile, torque control method and device, storage medium and electronic equipment Pending CN114643876A (en)

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Application publication date: 20220621