CN114658837A - Gear shifting control method, vehicle and storage medium - Google Patents
Gear shifting control method, vehicle and storage medium Download PDFInfo
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- CN114658837A CN114658837A CN202210303156.1A CN202210303156A CN114658837A CN 114658837 A CN114658837 A CN 114658837A CN 202210303156 A CN202210303156 A CN 202210303156A CN 114658837 A CN114658837 A CN 114658837A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The application relates to a gear shifting control method, a vehicle and a storage medium, wherein the control method comprises the following steps: acquiring emotion index values and gear shifting parameters of a target object in a historical gear shifting process; determining the driving style of the target object according to the emotion index value and the gear shifting parameter; and adjusting the gear shifting parameters in the current gear shifting process according to the driving style. According to the gear shifting control method, the vehicle and the storage medium, the driving style of the driver can be accurately identified through the emotion change and the gear shifting parameters of the driver in the gear shifting process, the gear shifting parameters can be flexibly adjusted according to the driving style, and the driving experience is improved.
Description
Technical Field
The application belongs to the technical field of automobiles, and particularly relates to a gear shifting control method, a vehicle and a storage medium.
Background
In recent years, all automobile developers promote user experience in propaganda; however, the user experience is a relatively subjective experience, which varies from person to person and is related to the user's behavioral habits, hobby cognition, knowledge level structure, industry background, and so on. The user experience that truly meets the user's expectations is not discordant, and it necessarily varies with the client's traits. Therefore, it is of great practical significance to find a user experience that meets certain user traits, the implementation being "best for him".
In the process that a user uses the automatic transmission automobile, some users have aggressive driving style, pursue rapidity of power response, have high tolerance on smoothness of a gear shifting process, and can receive impact or pause and pause of a certain amplitude; some users have a relatively soft driving style, extremely high requirements on smoothness and certain tolerance on quickness of power response. If the overall vehicle performance matches the user's expectations, the user may exhibit positive or optimistic mood changes, and if the overall vehicle performance does not match the user's desires, the user may exhibit negative or pessimistic mood changes. How to accurately identify the driving style of a driver and adjust the gear shifting parameters according to the driving style, and the driving experience improvement becomes the problem to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the application provides a gear shifting control method, a vehicle and a storage medium so as to improve the recognition accuracy of the driving style and improve the driving experience.
The application provides a gear shifting control method, which comprises the following steps: acquiring emotion index values and gear shifting parameters of a target object in a historical gear shifting process; determining the driving style of the target object according to the emotion index value and the gear shifting parameter; and adjusting the gear shifting parameters in the current gear shifting process according to the driving style.
In one embodiment, the obtaining of the emotion index value of the target object in the historical gear shifting process comprises: acquiring at least one item of physiological parameters, facial expressions, limb actions and voice information of the target object in the historical gear shifting process; and determining the emotion index value of the target object according to at least one of the physiological parameters, the facial expression, the limb action and the voice information.
In one embodiment, the shift parameters include engine torque control phase duration, engine speed control phase duration, total shift duration, vehicle acceleration rate of change.
In one embodiment, the step of determining the driving style of the target object according to the emotion index value and the shift parameter includes: if the emotion index value increases with a decrease in any one of the engine torque control phase duration, the engine speed control phase duration and the total shift duration, and/or decreases with an increase in any one of the engine torque control phase duration, the engine speed control phase duration and the total shift duration, then the driving style of the target object is aggressive; if the emotion index value decreases with an increase in the rate of change of vehicle acceleration and/or increases with a decrease in the rate of change of vehicle acceleration, the driving style of the target object is of a peaceful type.
In one embodiment, the step of adjusting the shift parameters during the current shift according to the driving style includes: if the driving style of the target object is aggressive, reducing at least one of the duration of the engine torque control stage, the duration of the engine speed control stage and the total shifting duration; and if the driving style of the target object is a peace type, reducing the vehicle acceleration rate.
In one embodiment, the step of adjusting the shift parameters during the current shift according to the driving style includes: adjusting the rate of change of vehicle acceleration by changing a clutch engagement rate; wherein the rate of change of vehicle acceleration is inversely proportional to the rate of clutch engagement.
In one embodiment, the step of adjusting the gear shifting parameters in the current gear shifting process according to the driving style comprises the steps of determining target gear shifting parameters according to the driving style; and adjusting the gear shifting parameters in the current gear shifting process to the target gear shifting parameters.
In one embodiment, the step of determining target shift parameters based on the driving style comprises: if the driving style is aggressive, taking the minimum value of the time length of the engine torque control stage in the historical gear shifting process as the target time length of the engine torque control stage, and taking the minimum value of the time length of the engine speed control stage as the target time length of the engine speed control stage; and if the driving style is a peaceful type, taking the minimum value of the vehicle acceleration rate in the historical gear shifting process as the target value of the vehicle acceleration rate.
The present application further provides a vehicle comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the above-described control method when executing the computer program.
The present application also provides a storage medium storing a computer program which, when executed by a processor, implements the steps of the above-described control method.
According to the gear shifting control method, the vehicle and the storage medium, the driving style of a driver can be accurately identified through the emotion change and the gear shifting parameters of the driver in the gear shifting process, the gear shifting parameters can be flexibly adjusted according to the driving style, and the driving experience is improved.
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Fig. 1 is a schematic flowchart of a control method according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a vehicle according to a second embodiment of the present application.
Detailed Description
The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1 is a schematic flowchart of a control method according to an embodiment of the present application. As shown in fig. 1, the control method of the present application may include the steps of:
step S101: acquiring emotion index values and gear shifting parameters of a target object in a historical gear shifting process;
in one embodiment, the obtaining of the emotion index value of the target object in the historical gear shifting process comprises:
acquiring at least one item of physiological parameters, facial expressions, limb actions and voice information of a target object in a historical gear shifting process;
and determining the emotion index value of the target object according to at least one item of the physiological parameters, the facial expressions, the limb actions and the voice information.
Optionally, the physiological parameters include respiratory rate, blood pressure, body temperature, and the like, and may be acquired through a wearable terminal, such as a smart band, a smart watch, and the like; facial expressions and limb actions can be collected through a vehicle-mounted camera; the voice information may be collected by the vehicle audio device.
Optionally, the vehicle acquires physiological parameters acquired by the wearable terminal, facial expressions and body movements acquired by the vehicle-mounted camera, and voice information acquired by the vehicle-mounted audio equipment, and comprehensively analyzes the physiological parameters, the facial expressions, the body movements and the voice information to obtain an emotion index value; the emotion indication value comprises a positive value and a negative value, the negative value represents a negative emotion, the positive value represents a positive emotion, the larger the emotion indication value is, the more positive the representation emotion is, and the smaller the emotion indication value is, the more negative the representation emotion is.
Optionally, the shift parameters include engine torque control phase duration, engine speed control phase duration, total shift duration, rate of change of vehicle acceleration.
The engine torque control stage and the engine rotating speed control stage are two different stages of the gear shifting process of the automatic transmission vehicle; the total gear shifting duration is equal to the duration of an engine torque control stage plus the duration of an engine torque control stage; the duration of the engine torque control stage represents the brittleness of gear shifting; the duration of the engine speed control stage represents the rapidity of gear shifting, and the total gear shifting duration represents the speed of gear shifting; the rate of change of vehicle acceleration characterizes the smoothness of the shift.
Step S102: determining the driving style of the target object according to the emotion index value and the gear shifting parameter;
in one embodiment, step S102 includes:
if the emotion index value is increased along with the decrease of any one of the engine torque control stage duration, the engine speed control stage duration and the total gear shifting duration, and/or is decreased along with the increase of any one of the engine torque control stage duration, the engine speed control stage duration and the total gear shifting duration, the driving style of the target object is aggressive;
if the emotion index value decreases with an increase in the rate of change in the degree of acceleration of the vehicle, and/or increases with a decrease in the rate of change in the degree of acceleration of the vehicle, the driving style of the target object is of a peaceful type.
Specifically, if the emotional index value is increased along with the decrease of any one of the engine torque control stage duration, the engine speed control stage duration and the total shift duration, and/or is decreased along with the increase of any one of the engine torque control stage duration, the engine speed control stage duration and the total shift duration, the power responsiveness requirement of the target object on the shift process is high, and the driving style of the target object can be determined to be aggressive; if the emotion index value decreases with an increase in the rate of change of the vehicle acceleration and/or increases with a decrease in the rate of change of the vehicle acceleration, the target object has a higher requirement for smoothness of the shift process, and it can be determined that the driving style of the target object is of a peaceful type.
Step S103: and adjusting the gear shifting parameters in the current gear shifting process according to the driving style.
In one embodiment, step S103 includes:
if the driving style of the target object is aggressive, reducing at least one of the duration of an engine torque control stage, the duration of an engine speed control stage and the total duration of gear shifting;
if the driving style of the target object is a peace type, the rate of change in the acceleration of the vehicle is reduced.
Optionally, the gear shifting parameters in the current gear shifting process are obtained by calculation according to parameters such as the opening degree of an accelerator pedal and the moving speed of the accelerator pedal, if the driving style of the target object is aggressive, at least one of the duration of an engine torque control stage, the duration of an engine speed control stage and the total gear shifting duration is further reduced on the basis of the gear shifting parameters in the current gear shifting process, so that the gear shifting parameters are matched with the aggressive driving style; and if the driving style of the target object is a mild type, further reducing the change rate of the acceleration of the vehicle on the basis of the gear shifting parameters of the current gear shifting process so as to enable the gear shifting parameters to be matched with the mild type driving style.
Optionally, adjusting the rate of change of vehicle acceleration by changing the rate of clutch engagement; wherein the rate of change of vehicle acceleration is inversely proportional to the rate of clutch engagement.
Illustratively, if the driving style of the target object is aggressive, the duration of the engine torque control phase is reduced by 10% through the calibration of the engine torque interaction time, and the duration of the engine speed control phase is reduced by 5% through the calibration of the reduced engine torque value; if the driving style of the target object is a peace type, the vehicle acceleration change rate is reduced by 10% by changing the clutch engagement rate.
In one embodiment, step S103 further includes:
determining target gear shifting parameters according to the driving style;
and adjusting the gear shifting parameters in the current gear shifting process to be target gear shifting parameters.
In one embodiment, determining the target shift parameter based on driving style comprises:
if the driving style is aggressive, taking the minimum value of the time length of the engine torque control stage in the historical gear shifting process as the target time length of the engine torque control stage, and taking the minimum value of the time length of the engine speed control stage as the target time length of the engine speed control stage; the target value of the total gear shifting duration is equal to the minimum value of the engine torque control stage and the minimum value of the engine speed control stage; the target value of the vehicle acceleration rate is the vehicle acceleration rate matched with the target values of the minimum value of the engine torque control stage, the minimum value of the engine speed control stage and the total gear shifting time;
if the driving style is a peace type, taking the minimum value of the vehicle acceleration rate in the historical gear shifting process as the target value of the vehicle acceleration rate; the target value of the total gear shifting duration, the target duration of the engine torque control stage and the target duration of the engine speed control stage are respectively the total gear shifting duration, the duration of the engine torque control stage and the duration of the engine speed control stage which are matched with the target value of the vehicle acceleration change rate.
In one embodiment, determining the target shift parameter based on driving style further comprises:
if the driving style is aggressive, taking the gear shifting parameter corresponding to the maximum emotion characteristic value in the aggressive style as a target gear shifting parameter;
and if the driving style is a peaceful style, taking the gear shifting parameter corresponding to the maximum emotion characteristic value in the peaceful style as the target gear shifting parameter.
According to the control method provided by the embodiment of the application, the emotion index value and the gear shifting parameter of the target object in the historical gear shifting process are obtained; determining the driving style of the target object according to the emotion index value and the gear shifting parameter; the gear shifting parameters in the current gear shifting process are adjusted according to the driving style, so that the driving style of a driver is accurately identified, the gear shifting parameters are flexibly adjusted according to the driving style, and the driving experience is effectively improved.
Fig. 2 is a schematic structural diagram of a vehicle according to a second embodiment of the present application. The vehicle of the present application includes: a processor 110, a memory 111 and a computer program 112 stored in said memory 111 and executable on said processor 110. The processor 110 implements the steps in the above-described respective control method embodiments, such as steps S101 to S103 shown in fig. 1, when executing the computer program 112.
The vehicle may include, but is not limited to, a processor 110, a memory 111. Those skilled in the art will appreciate that fig. 2 is merely an example of a vehicle and is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or different components, e.g., the vehicle may also include input-output devices, network access devices, buses, etc.
The Processor 110 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 111 may be an internal storage unit of the vehicle, such as a hard disk or a memory of the vehicle. The memory 111 may also be an external storage device of the vehicle, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the vehicle. Further, the memory 111 may also include both an internal storage unit and an external storage device of the vehicle. The memory 111 is used for storing the computer program and other programs and data required by the vehicle. The memory 111 may also be used to temporarily store data that has been output or is to be output.
The present application also provides a storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the control method as described above.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A shift control method characterized by comprising:
acquiring emotion index values and gear shifting parameters of a target object in a historical gear shifting process;
determining the driving style of the target object according to the emotion index value and the gear shifting parameter;
and adjusting the gear shifting parameters in the current gear shifting process according to the driving style.
2. The control method of claim 1, wherein obtaining an emotional index value of the target object during the historical shift comprises:
acquiring at least one of physiological parameters, facial expressions, limb actions and voice information of the target object in a historical gear shifting process;
and determining the emotion index value of the target object according to at least one of the physiological parameters, the facial expression, the limb action and the voice information.
3. The control method of claim 1 wherein said shift parameters include engine torque control phase duration, engine speed control phase duration, total shift duration, rate of change of vehicle acceleration.
4. The control method according to claim 3, wherein the step of determining the driving style of the target object based on the emotion index value and the shift parameter includes:
if the emotion index value increases with a decrease in any one of the engine torque control phase duration, the engine speed control phase duration and the total shift duration, and/or decreases with an increase in any one of the engine torque control phase duration, the engine speed control phase duration and the total shift duration, then the driving style of the target object is aggressive;
if the emotion index value decreases with an increase in the rate of change of vehicle acceleration and/or increases with a decrease in the rate of change of vehicle acceleration, the driving style of the target object is of a peaceful type.
5. The control method according to claim 3, wherein the step of adjusting the shift parameters during the current shift according to the driving style comprises:
if the driving style of the target object is aggressive, reducing at least one of the duration of the engine torque control stage, the duration of the engine speed control stage and the total shifting duration;
and if the driving style of the target object is a peace type, reducing the vehicle acceleration rate.
6. The control method according to claim 3, wherein the step of adjusting the shift parameters during the current shift according to the driving style comprises:
adjusting the rate of change of vehicle acceleration by changing a clutch engagement rate;
wherein the rate of change of vehicle acceleration is inversely proportional to the rate of clutch engagement.
7. The control method according to claim 3, wherein the step of adjusting the shift parameters during the current shift according to the driving style comprises:
determining target gear shifting parameters according to the driving style;
and adjusting the gear shifting parameters in the current gear shifting process to the target gear shifting parameters.
8. The control method of claim 7, wherein said step of determining target shift parameters based on said driving style comprises:
if the driving style is aggressive, taking the minimum value of the time length of the engine torque control stage in the historical gear shifting process as the target time length of the engine torque control stage, and taking the minimum value of the time length of the engine speed control stage as the target time length of the engine speed control stage;
and if the driving style is a peace type, taking the minimum value of the vehicle acceleration rate in the historical gear shifting process as the target value of the vehicle acceleration rate.
9. A vehicle, characterized in that the vehicle comprises a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the control method according to any one of claims 1 to 8 when executing the computer program.
10. A storage medium storing a computer program, characterized in that the computer program realizes the steps of the control method according to any one of claims 1 to 8 when executed by a processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210303156.1A CN114658837A (en) | 2022-03-25 | 2022-03-25 | Gear shifting control method, vehicle and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210303156.1A CN114658837A (en) | 2022-03-25 | 2022-03-25 | Gear shifting control method, vehicle and storage medium |
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| CN114658837A true CN114658837A (en) | 2022-06-24 |
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