CN117261918A - Automobile load judging method and system and driving mode judging method thereof - Google Patents
Automobile load judging method and system and driving mode judging method thereof Download PDFInfo
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- CN117261918A CN117261918A CN202311111493.1A CN202311111493A CN117261918A CN 117261918 A CN117261918 A CN 117261918A CN 202311111493 A CN202311111493 A CN 202311111493A CN 117261918 A CN117261918 A CN 117261918A
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- 238000000034 method Methods 0.000 title claims abstract description 82
- 230000001133 acceleration Effects 0.000 claims abstract description 178
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/12—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to parameters of the vehicle itself, e.g. tyre models
- B60W40/13—Load or weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/107—Longitudinal acceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/083—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
- B60W2520/105—Longitudinal acceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/10—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/16—Driving resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/20—Tyre data
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of automobiles, and discloses an automobile load judging method, an automobile load judging system and a driving mode judging method thereof, wherein the automobile load judging method comprises the following steps: setting a preset acceleration for the automobile; acquiring a first acceleration and a second acceleration of an automobile in the driving process; judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration; if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state; if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state; and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile load judging method, an automobile load judging system and a driving mode judging method thereof.
Background
At present, the driving mode of the automobile corresponds to different driving modes, such as a sport mode, an economic mode, a standard mode and a personalized mode, according to different loads of the automobile.
However, the driving mode switching of the existing automobile provides different driving styles according to the intention of the driver, that is, the driving mode of the existing automobile responds to the subjective requirement of the driver to drive the driving mode corresponding to the driving mode of the automobile only when the driver has the active requirement, and the driving mode corresponding to the driving mode cannot be adjusted according to the actual load state of the automobile.
Disclosure of Invention
The invention provides an automobile load judging method, an automobile load judging system and a driving mode judging method thereof, which are used for realizing adjustment of corresponding driving modes according to the actual load state of an automobile.
According to a first aspect of the present invention, there is provided an automobile load determination method comprising:
setting a preset acceleration for the automobile;
acquiring a first acceleration and a second acceleration of an automobile in the running process, wherein the first acceleration is the acceleration provided by a driving motor system of the automobile in the running process of the automobile; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile;
judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration;
if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state;
if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state;
and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
Optionally, the acquiring the first acceleration of the automobile during the driving specifically includes:
the method comprises the steps of obtaining the standard load quality of an automobile and the wheel radius of the automobile;
collecting a first resistance in the running process of the automobile and a motor request torque value in a driving motor system in the running process of the automobile;
and calculating the first acceleration according to the standard load mass, the wheel radius, the first resistance and the motor request torque value.
Optionally, the calculating the first acceleration specifically includes:
wherein a1 is the first acceleration;
t is the motor request torque value;
r is the wheel radius;
f is the first resistance;
m0 is the standard load mass.
Optionally, the acquiring the second acceleration of the automobile during the driving specifically includes:
acceleration provided by the chassis system of the vehicle during its travel is measured by a sensor.
According to a second aspect of the present invention, there is provided an automobile load determination system comprising:
the acceleration preset unit is used for setting a preset acceleration for the automobile;
the acceleration acquisition unit is used for acquiring a first acceleration and a second acceleration of the automobile in the running process, wherein the first acceleration is the acceleration provided by a driving motor system of the automobile in the running process of the automobile; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile;
the load judging unit is used for judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration; if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state; if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state; and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
According to a third aspect of the present invention, there is provided an automobile driving mode determination method including:
acquiring a load state of an automobile in a driving process, wherein the load state is determined according to the automobile load judging method of the first aspect of the invention;
and adjusting a motor request torque value in the automobile driving motor system according to the load state so that the load state of the automobile is in the standard load state in the running process.
Optionally, the adjusting the motor request torque value in the automobile driving motor system according to the load state includes:
when the load state of the automobile is the light load state, the load state of the automobile is in the standard load state by adjusting the motor request torque value.
Optionally, the adjusting the motor request torque value in the automobile driving motor system according to the load state further includes:
when the load state of the automobile is the heavy load state, the load state of the automobile is in the standard load state by increasing the motor request torque value.
According to a third aspect of the present invention, there is provided an electronic device comprising a memory and a processor,
the memory is used for storing codes;
the processor is configured to execute the code in the memory to implement the method for determining an automobile load according to the first aspect of the present invention, or the method for determining an automobile driving mode according to the second aspect of the present invention.
According to a fourth aspect of the present invention, there is provided a storage medium having a program stored thereon, characterized in that the program, when executed by a processor, implements the automobile load determination method according to the first aspect of the present invention, or the automobile driving mode determination method according to the second aspect of the present invention.
The automobile load judging method provided by the invention can directly obtain the loading condition of the automobile, and further through the automobile driving mode judging method provided by the invention, the zone bit of the loading state of the automobile judged by the load judging module can be intuitively adjusted, and the same driving feeling of a driver under different loading states can be realized by automatically adjusting the electric drive torque request of the automobile, so that the automobile can automatically adjust the corresponding driving mode according to the actual loading state, and the experience effect of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flow chart of a method for determining a load of an automobile according to an embodiment of the invention;
FIG. 2 is a flow chart of acquiring a first acceleration according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a system according to an embodiment of the invention;
FIG. 4 is a flowchart of a method for determining a driving mode of an automobile according to an embodiment of the invention;
fig. 5 is a schematic structural view of an electronic device according to an exemplary embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Referring to fig. 1, in an embodiment of the present invention, there is provided an automobile load determining method, including:
s1: and setting a preset acceleration for the automobile.
S2: acquiring a first acceleration and a second acceleration of an automobile in the driving process; the first acceleration is acceleration provided by a driving motor system of the automobile in the running process of the automobile; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile.
S3: and judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration.
If the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state; typically, the standard load conditions range from: (m 0-preset mass threshold, m0+ preset mass domain); the standard load conditions in a specific example may be: (empty+driver+10% load, empty+driver+60% load).
If the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state; generally, the range of the light load state is as follows: (m 0, m0+ preset mass domain); in a specific example, the light load condition may be: (empty+driver+10% load).
If the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state; in general, the heavy load state is a load state of more than m0 plus a preset mass domain; in a specific example, the heavy load condition may be: (empty+driver+60% load, empty+driver+100% load status).
In a specific embodiment of the present invention, a preset acceleration is set for the vehicle, where different vehicles have different parameters, and different vehicles have corresponding preset accelerations according to their corresponding parameters.
Referring to fig. 2, the step of acquiring the first acceleration of the automobile during the driving process specifically includes:
s1: and obtaining the standard load quality of the automobile and the wheel radius of the automobile.
In a specific embodiment, the target quality of the automobile can be set according to parameters of the corresponding automobile; the wheel radius of the automobile can be obtained by directly measuring the value of the wheel radius of the automobile.
S2: a first resistance value of the vehicle during driving is collected, and a motor request torque value of the vehicle during driving is collected.
In one embodiment of the invention, the first resistance and the motor torque request value during the driving of the vehicle can be obtained by directly evaluating the corresponding signals in the driving motor system of the vehicle itself when the vehicle is in motion.
S3: and calculating the first acceleration according to the standard load mass, the wheel radius, the first resistance and the motor request torque value.
Wherein said calculating said first acceleration comprises:
wherein a1 is the first acceleration; t is the motor request torque value; r is the wheel radius; f is the first resistance; m0 is the standard load mass.
In a specific embodiment of the present invention, the acquiring the second acceleration of the automobile during the driving process specifically includes: acceleration provided by the chassis system of the vehicle during its travel is measured by a sensor.
In addition, other ways than the above-mentioned determination of the load state of the vehicle by acceleration, such as determination of the load state of the vehicle by the speed of the vehicle during running, are within the scope of the present invention. The automobile load judging method provided by the invention can directly obtain the loading condition of the automobile, and provides conditions for a driver to automatically recommend different driving modes under different loads.
Referring to fig. 3, in an embodiment of the present invention, there is further provided an automobile load determination system, including:
the acceleration preset unit 100 is used for setting a preset acceleration for the automobile;
the acceleration acquisition unit 200 is configured to acquire a first acceleration and a second acceleration of the vehicle during driving, where the first acceleration is an acceleration provided by a driving motor system of the vehicle during driving; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile;
a load judging unit 300 for judging a load state of the vehicle according to the preset acceleration, the first acceleration, and the second acceleration; if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state; if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state; and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
Referring to fig. 4, in an embodiment of the present invention, there is further provided a method for determining a driving mode of an automobile, including:
s1: and acquiring the load state of the automobile in the running process, wherein the load state is determined according to the automobile load judging method.
S2: and adjusting a motor request torque value in the automobile driving motor system according to the load state so that the load state of the automobile is in the standard load state in the running process.
Wherein, the adjusting the motor request torque value in the automobile driving motor system according to the load state includes:
when the load state of the automobile is the light load state, the load state of the automobile is in the standard load state by adjusting the motor request torque value.
In an embodiment of the present invention, the adjusting the motor request torque value in the driving motor system of the automobile according to the load state further includes: when the load state of the automobile is the heavy load state, the load state of the automobile is in the standard load state by increasing the motor request torque value.
In a specific embodiment, the automobile may display different flag bits according to the corresponding load states, for example: when the vehicle is in a light load state and the vehicle is in a light load state, the whole vehicle controller adjusts the motor torque request according to the driving feeling to be realized and the light load quality threshold value, specifically, according to t= (f+ (m 0-preset quality domain) a 2) r, the vehicle is maintained in the standard load state level, and meanwhile, the vehicle is displayed in the light load state through a display device of the vehicle, such as a display screen. When the vehicle loading zone bit is 2, the vehicle is in a standard load state, the vehicle is not regulated in general, and the vehicle is simultaneously displayed in the standard load state through a display device of the vehicle, such as a display screen. When the vehicle is in a heavy load state and the vehicle is in a heavy load state when the vehicle is arranged at the zone bit of 3, the whole vehicle controller regulates the motor torque request according to the driving feeling to be realized and the heavy load quality threshold value, specifically, according to T= (F+ (m0+ preset quality domain) a 2) r, the vehicle is kept in the level of the heavy load state, and meanwhile, the vehicle is displayed in the heavy load state through a display device, such as a display screen, of the vehicle.
The automobile driving mode judging method provided by the invention can intuitively judge the zone bit of the loaded state of the automobile according to the load judging module, and the automobile can automatically adjust the electric drive torque request to realize the same driving feeling of the driver in different loading states, so that the automobile can automatically adjust the corresponding driving mode according to the actual load state, and the experience effect of the user is improved.
Fig. 5 is a schematic diagram of the configuration of an electronic device in an embodiment of the invention.
Referring to fig. 5, there is provided an electronic device 50 including:
a processor 51; the method comprises the steps of,
a memory 52 for storing executable instructions of the processor;
wherein the processor 51 is configured to perform the above-mentioned vehicle load determination method or the above-mentioned vehicle driving mode determination method via execution of the executable instructions.
The processor 51 is capable of communicating with the memory 52 via the bus 53.
The present embodiment also provides a computer-readable storage medium, on which a computer program is stored which, when executed by a processor, implements the above-mentioned method.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
In the description of the present specification, the descriptions of the terms "one embodiment," "an embodiment," "a particular implementation," "an example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present invention, and not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. An automobile load determination method, comprising:
setting a preset acceleration for the automobile;
acquiring a first acceleration and a second acceleration of an automobile in the running process, wherein the first acceleration is the acceleration provided by a driving motor system of the automobile in the running process of the automobile; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile;
judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration;
if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state;
if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state;
and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
2. The method for determining the load of the automobile according to claim 1, wherein the acquiring the first acceleration of the automobile during the running process specifically includes:
the method comprises the steps of obtaining the standard load quality of an automobile and the wheel radius of the automobile;
collecting a first resistance in the running process of the automobile and a motor request torque value in a driving motor system in the running process of the automobile;
and calculating the first acceleration according to the standard load mass, the wheel radius, the first resistance and the motor request torque value.
3. The vehicle load determination method according to claim 2, characterized in that the calculating the first acceleration specifically includes:
wherein a1 is the first acceleration;
t is the motor request torque value;
r is the wheel radius;
f is the first resistance;
m0 is the standard load mass.
4. The method for determining the load of the automobile according to claim 1, wherein the acquiring the second acceleration of the automobile during the running process specifically includes:
acceleration provided by the chassis system of the vehicle during its travel is measured by a sensor.
5. An automobile load determination system, comprising:
the acceleration preset unit is used for setting a preset acceleration for the automobile;
the acceleration acquisition unit is used for acquiring a first acceleration and a second acceleration of the automobile in the running process, wherein the first acceleration is the acceleration provided by a driving motor system of the automobile in the running process of the automobile; the second acceleration is acceleration provided by a chassis system of the automobile in the running process of the automobile;
the load judging unit is used for judging the load state of the automobile according to the preset acceleration, the first acceleration and the second acceleration; if the first acceleration is larger than or equal to the absolute value of the difference value between the second acceleration and the preset acceleration, and the first acceleration is smaller than or equal to the sum of the second acceleration and the preset acceleration, the load state of the automobile is a standard load state; if the first acceleration is larger than the sum of the second acceleration and the preset acceleration, the load state of the automobile is a light load state; and if the first acceleration is smaller than the absolute value of the difference value between the second acceleration and the preset acceleration, the load state of the automobile is a heavy load state.
6. A method for determining a driving mode of an automobile, comprising:
acquiring a load state of an automobile during running, wherein the load state is determined according to the automobile load judging method of any one of claims 1-5;
and adjusting a motor request torque value in the automobile driving motor system according to the load state so that the load state of the automobile is in the standard load state in the running process.
7. The automobile driving mode determination method according to claim 6, wherein the adjusting the motor request torque value in the automobile driving motor system according to the load state includes:
when the load state of the automobile is the light load state, the load state of the automobile is in the standard load state by adjusting the motor request torque value.
8. The automobile driving mode determination method according to claim 6, wherein the adjusting the motor request torque value in the automobile driving motor system according to the load state further comprises:
when the load state of the automobile is the heavy load state, the load state of the automobile is in the standard load state by increasing the motor request torque value.
9. An electronic device, comprising a memory and a processor,
the memory is used for storing codes;
the processor for executing the code in the memory to implement the automobile load determination method of any one of claims 1 to 4, or the automobile driving mode determination method of any one of claims 6 to 8.
10. A storage medium having a program stored thereon, wherein the program, when executed by a processor, implements the automobile load determination method according to any one of claims 1 to 4, or the automobile driving mode determination method according to any one of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111493.1A CN117261918A (en) | 2023-08-29 | 2023-08-29 | Automobile load judging method and system and driving mode judging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111493.1A CN117261918A (en) | 2023-08-29 | 2023-08-29 | Automobile load judging method and system and driving mode judging method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117261918A true CN117261918A (en) | 2023-12-22 |
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ID=89215072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311111493.1A Pending CN117261918A (en) | 2023-08-29 | 2023-08-29 | Automobile load judging method and system and driving mode judging method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117261918A (en) |
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2023
- 2023-08-29 CN CN202311111493.1A patent/CN117261918A/en active Pending
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