CN114872801B - Automobile electric empennage control method, system, medium and electronic equipment - Google Patents

Automobile electric empennage control method, system, medium and electronic equipment Download PDF

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CN114872801B
CN114872801B CN202210589810.XA CN202210589810A CN114872801B CN 114872801 B CN114872801 B CN 114872801B CN 202210589810 A CN202210589810 A CN 202210589810A CN 114872801 B CN114872801 B CN 114872801B
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request signal
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CN114872801A (en
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郑淋荣
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D35/00Vehicle bodies characterised by streamlining
    • B62D35/007Rear spoilers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/82Elements for improving aerodynamics

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

The invention provides a method, a system, a medium and electronic equipment for controlling an electric tail wing of an automobile, wherein the electric tail wing is controlled according to an identification result by identifying a manual control signal; identifying the driving mode signal, and directly controlling the electric empennage according to the driving mode signal in a first driving mode; comparing the automobile state signal with a preset threshold value, and controlling the electric empennage according to the comparison result; therefore, manual control and automatic control in various modes are realized, and the use feeling of a user is improved.

Description

Automobile electric empennage control method, system, medium and electronic equipment
Technical Field
The invention belongs to the technical field of automobile control, and particularly relates to an automobile electric empennage control method, an automobile electric empennage control system, an automobile electric empennage control medium and electronic equipment.
Background
The automobile tail fin can reduce the air resistance of the automobile in the driving process, has a certain attractive effect on the automobile, and is carried on a large number of sports automobiles. At present, the most common mode for controlling the electric empennage is manual control, the application scene is simple, and the electric empennage control method cannot adapt to complex vehicle using scenes.
The patent with the application number of CN202010231376.9 introduces a follow-up automobile tail wing and an automobile adaptive to the whole automobile attitude, in the scheme, a tail wing control assembly for controlling the movement attitude of the automobile tail wing is arranged between the automobile tail wing and a rear suspension and is mechanically connected with the rear suspension through the tail wing control assembly, when the automobile attitude changes, the automobile tail wing can be adjusted in real time along with the change of the whole automobile attitude, and the pitching angle of the automobile tail wing can be automatically adjusted to assist the braking of the automobile when the automobile is braked.
Although the scheme can realize real-time adjustment of the automobile tail wing along with the change of the whole automobile attitude, the mechanical structure of the tail wing is complex and the cost is high. For the common empennage with only the lifting function, the control mode is single, manual control is needed, and the use experience of a user is poor.
Disclosure of Invention
The invention provides a method, a system, a medium and electronic equipment for controlling an electric tail wing of an automobile, which aim to solve the technical problem that automatic control in various modes cannot be performed on the tail wing only having a lifting function in the prior art.
An automobile electric empennage control method comprises the following steps:
acquiring a manual control signal and an automobile state signal;
sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
when the judgment signal is an artificial control signal, identifying the artificial control signal, and generating a first request signal according to an identification result;
when the judgment signal is the automobile state signal, comparing the value of the automobile state signal with a preset automobile state signal threshold value, and generating a second request signal according to the comparison result;
and controlling the electric empennage according to the first request signal or the second request signal.
Optionally, the manual control signal includes a voice signal, recognizing the voice signal, and generating a first request signal according to a voice recognition result, including:
acquiring a target voice signal, wherein the target voice signal comprises information for controlling an electric control tail wing;
inputting a target voice signal into a pre-established voice model, extracting voice characteristics of the target voice signal through the voice model, and establishing a template according to the voice characteristics;
matching the voice signal with the template, and generating a voice recognition result when the voice signal is matched with the model;
and converting the voice recognition result into the first request signal according to a preset rule.
Optionally, the manual control signal includes a gesture image, the gesture signal is recognized, and a first request signal is generated according to a gesture recognition result, including:
segmenting the gesture image to obtain a hand image;
extracting a plurality of features in the hand image and selecting a gesture feature from the plurality of features;
inputting the gesture features into a pre-established gesture recognition model to obtain a gesture recognition result;
and converting the gesture recognition result into the first request signal according to a preset rule.
Optionally, the vehicle status signal comprises a vehicle speed, and the second request signal comprises a rise request signal and a fall request signal; comparing the value of the vehicle speed with a preset vehicle speed threshold value, and generating a second request signal according to the comparison result, wherein the method comprises the following steps:
comparing the value of the vehicle speed with a preset first vehicle speed threshold value and a preset second vehicle speed threshold value, and generating the rising request signal when the value of the vehicle speed is greater than the first vehicle speed threshold value; and when the vehicle speed value is smaller than the second vehicle speed threshold value, generating the descending request signal.
Optionally, the vehicle status signal includes a distance between a vehicle key and the vehicle, and the second request signal includes a rise request signal and a fall request signal; compare the value of the distance of car key and car with preset distance threshold to according to the comparison result generation second request signal, include:
comparing the value of the distance between the car key and the car with a preset first distance threshold value and a preset second distance threshold value, and generating the descending request signal when the value of the distance between the car key and the car is greater than the first distance threshold value; generating the rise request signal when the value of the distance between the car key and the car is smaller than the second distance threshold.
Optionally, after acquiring the manual control signal, the vehicle status signal, and the driving mode signal, the method further includes:
acquiring the power-on state of the automobile, the duration of the ascending state of the electric empennage, the current weather information of the location of the automobile and the current temperature value; sequencing the acquisition time of the duration and the acquisition time of the current weather information;
when the following conditions are simultaneously satisfied: the obtaining time of the duration is latest, the automobile is in a non-electrified state, the duration exceeds a preset time threshold, a descending request signal is generated, and the electric empennage is controlled to descend according to the descending request signal;
when the following conditions are simultaneously satisfied: the method comprises the steps that the obtaining time of the current weather information is latest, the current temperature value is lower than a preset temperature threshold value, the weather information comprises rain and snow weather information, a descending request signal is generated, and the electric tail wing is controlled to descend according to the descending request signal.
Optionally, after the electric tail is controlled to ascend and descend according to the first request signal, or after the electric tail is controlled to ascend and descend according to the second request signal, or after the electric tail is controlled to descend according to the descent request signal, the method includes the steps of;
acquiring an actual rising amplitude of the electric tail in a rising process or acquiring an actual falling amplitude of the electric tail in a falling process;
comparing the actual rising amplitude with a preset target rising amplitude, and controlling the electric tail wing to ascend after descending for multiple times when the actual rising amplitude is smaller than the target rising amplitude; acquiring the rising amplitude of the last rising action of the electric empennage, and generating an alarm signal if the rising amplitude of the last rising action is smaller than the target rising amplitude;
and comparing the actual descending amplitude with a preset target descending amplitude, and controlling the electric tail wing to execute ascending action and generate an alarm signal when the actual descending amplitude is smaller than the target descending amplitude.
The present invention also provides an electric tail control system for an automobile, comprising:
the acquisition module is used for acquiring manual control signals and automobile state signals;
the sequencing module is used for sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
the identification module is used for identifying the manual control signal when the judgment signal is the manual control signal and generating a first request signal according to an identification result;
the operation module is used for comparing the value of the automobile state signal with a preset automobile state signal threshold value when the judgment signal is the automobile state signal, and generating a second request signal according to the comparison result;
and the control module is used for controlling the electric empennage according to the first request signal or the second request signal.
The invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method as defined in any one of the above.
The present invention also provides an electronic terminal, comprising: a processor and a memory;
the memory is adapted to store a computer program and the processor is adapted to execute the computer program stored by the memory to cause the terminal to perform the method as defined in any one of the above.
The invention provides a method, a system, a medium and electronic equipment for controlling an electric tail wing of an automobile, which have the following beneficial effects: the electric tail wing is controlled according to the recognition result by recognizing the manual control signal; identifying the driving mode signal, and directly controlling the electric empennage according to the driving mode signal in a first driving mode; comparing the automobile state signal with a preset threshold value, and controlling the electric empennage according to the comparison result; therefore, manual control and automatic control in various modes are realized, and the use feeling of a user is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of a control structure of an electric rear wing of a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic view of a control scenario of an electric rear wing of a vehicle according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a control method according to an embodiment of the present invention;
FIG. 4 is a flow diagram of the generation of a request signal based on speech recognition in an embodiment of the present invention;
FIG. 5 is a flow diagram illustrating the generation of a request signal based on gesture recognition in one embodiment of the present invention;
FIG. 6 is a schematic flow chart of a method for generating a request signal based on vehicle speed in an embodiment of the present invention;
FIG. 7 is a schematic flow chart of a request signal generated according to a distance between a vehicle key and a vehicle in an embodiment of the present invention;
FIG. 8 is a schematic flow chart of controlling a tail of a vehicle via other exemplary signals in an embodiment of the present invention;
fig. 9 is a schematic flow chart of lift protection of the tail of the automobile according to an embodiment of the present invention;
FIG. 10 is a schematic block diagram of a control system in an embodiment of the present invention;
FIG. 11 illustrates a schematic structural diagram of a computer system suitable for use to implement the electronic device of the embodiments of the subject application.
Detailed Description
The embodiments of the present application will be described with reference to the accompanying drawings and preferred embodiments, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure in the specification. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present disclosure.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, the type, quantity and proportion of each component in actual implementation may be changed freely, and the layout of the components may be more complicated.
In the following description, numerous details are set forth to provide a more thorough explanation of the embodiments of the present application, however, it will be apparent to one skilled in the art that the embodiments of the present application may be practiced without these specific details, and in other embodiments, well-known structures and devices are shown in block diagram form rather than in detail in order to avoid obscuring the embodiments of the present application.
It should be noted that, in the vehicle control technology, the vehicle control is a process of acquiring relevant information from a vehicle, calculating, forwarding and converting the relevant information, generating a control signal, and controlling a controllable component of the vehicle, and in a broader sense, the control process may relate to other controllable components of the vehicle, such as an electric control door, a vehicle audio, a vehicle air conditioner, an electric seat, and the like. The embodiment of the application relates to control of an electric tail wing, and the control method is used for acquiring relevant information from an automobile, such as driving modes, speed and the like, processing the relevant information and then generating a request instruction, and controlling the electric tail wing according to the request instruction.
In the control process of the electric empennage, various scenes met by a driver can be considered, so that the user experience is guaranteed. Taking a driving scene of an automobile as an example, the tail fin is required to be utilized to dredge the airflow at the tail part of the automobile in the high-speed driving process of the automobile, and the airflow generates downward pressure on the automobile body under the action of the tail fin to play a role in stabilizing the automobile body; however, when the automobile runs at a low speed or stops, the tail wing is easily collided and squeezed from the outside, so that the tail wing is damaged. Aiming at the scene, the driving speed of the automobile needs to be acquired, and the tail wing is automatically controlled according to the driving speed, so that the tail wing is automatically lifted in the high-speed driving process, the driving stability of the automobile is improved, and the tail wing is automatically retracted when the automobile is in low speed or stops, thereby protecting the effect of the tail wing. In other application scenarios, the control of the tail wing of the automobile is realized according to other information of the automobile, which is not limited by the embodiment of the present application.
FIG. 1 is a schematic view of a tail control structure of a vehicle shown in an exemplary embodiment of the present application; the existing automobile tail fin is generally controlled to lift through a motor, and an output shaft of the motor controls the lifting of the automobile tail fin through a transmission assembly (such as a gear, a lead screw nut assembly) and the like. A motor driving circuit (such as a double-H bridge motor driving circuit) specially used for controlling the motor is arranged in the automobile, and the motor can be controlled to rotate forwards and backwards through the motor driving circuit through a specific signal so as to control the lifting of the tail wing; in the present application, the specific signal for driving the motor is a request signal; in addition, the rotating angle of the motor is detected through setting a detection module (such as a photoelectric encoder), and information whether the empennage is lifted in place or not is obtained through the corresponding relation between the rotating angle of the motor and the lifting amount of the empennage.
Fig. 2 is a scene diagram of an application of controlling an automobile tail according to an exemplary embodiment of the present application, in which a car-mounted system of an existing car can generally implement a networking function, and the car-mounted interconnection not only enriches an entertainment function of the car, but also plays an important role in a control process of an electric control tail of the car; for example, the intelligent terminal is in communication connection with an in-vehicle system, the intelligent terminal is used for acquiring relevant information of the vehicle, the intelligent terminal is used for calculating the relevant information, a request signal is acquired according to preset logic, and the request signal is used for controlling the lifting of the electric empennage. Or the intelligent terminal can directly input a request signal and control the lifting of the electric empennage by using the request signal. The intelligent terminal can be connected with the cloud server, and remote control over the electric empennage is achieved through remote input of the request signal.
The intelligent terminal 210 shown in fig. 2 may be any terminal device supporting installation of navigation map software, such as a smart phone, a vehicle-mounted computer, a tablet computer, a notebook computer, or a wearable device, but is not limited thereto. The navigation server 220 shown in fig. 2 is an automobile navigation server, and may be, for example, an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing basic cloud computing services such as a cloud service, a cloud database, cloud computing, a cloud function, cloud storage, a Network service, cloud communication, a middleware service, a domain name service, a security service, a CDN (Content Delivery Network), and a big data and artificial intelligence platform, which is not limited herein. The intelligent terminal 210 may communicate with the navigation server 220 through a wireless network, such as 3G (third generation mobile information technology), 4G (fourth generation mobile information technology), 5G (fifth generation mobile information technology), and the like, which is not limited herein.
As shown in fig. 3, in an exemplary embodiment, the method for controlling an electric tail of a vehicle at least includes steps S310 to S330, which are described in detail as follows, and includes:
s310, acquiring a manual control signal and an automobile state signal;
firstly, it should be noted that the manual control signal is a signal input by a driver or a user, and the signal type includes voice, gesture, and the like; the automobile state signal is various quantifiable signals generated by the automobile in the working (running or not running) process, such as the speed of the automobile and the like;
s320, sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
and recording the acquisition time while acquiring the manual control signal and the automobile state signal, and sequencing the acquisition time of the manual control signal and the acquisition time of the automobile state signal according to the acquisition time.
S330, when the judgment signal is the manual control signal, identifying the manual control signal, and generating a first request signal according to an identification result;
the method adopts a task coverage mode, namely when a plurality of manual control signals or automobile state signals simultaneously appear, the latest manual control signal or automobile state signal is processed; in many cases, the automobile system cannot directly control the empennage according to the manual control signal, so the manual control signal needs to be identified as a command which can be executed by the automobile system, namely a first request signal;
s340, when the judgment signal is the automobile state signal, comparing the value of the automobile state signal with a preset automobile state signal threshold value, and generating a second request signal according to the comparison result;
the automobile state signal can describe the working state of the automobile, and based on the working state of the automobile and the requirement of a user, a second request signal can be generated by judging the threshold value of the automobile state signal so as to control the lifting of the automobile tail fin; the automobile state signals comprise the speed of the automobile and the distance between the automobile key and the automobile.
And S350, controlling the electric empennage according to the first request signal or the second request signal.
In the present embodiment, since the manual control signal may mean rising or falling, the first request signal includes a rising request signal and a falling request signal; similarly, the second request signal also includes a rise request signal and a fall request signal, and when the rise or fall is performed, the current state of the electric tail needs to be considered; for example, when the electric tail is lifted up, the corresponding request cannot be executed by the lift request signal, but the process is complicated by acquiring the state of the electric tail before execution. Therefore, in the application, the ascending or descending can be executed in a tail wing limiting mode, and the ascending or descending is not executed if the ascending or descending cannot be executed.
Fig. 4 is a flowchart of step S320 in an exemplary embodiment in the embodiment shown in fig. 3. As shown in fig. 4, the process of identifying the voice signal by the manual control signal, and generating the first request signal according to the voice identification result may include steps S410 to S440, which are described in detail as follows:
in consideration of convenience of users, the electric empennage is controlled through voice recognition, and in addition, the voice recognition needs to be carried out on a vehicle machine system and a microphone during collection, so that the voice recognition needs to be carried out when the automobile is in a power-on state.
S410, acquiring a target voice signal, wherein the target voice signal comprises information for controlling the electric control empennage;
the target voice signal is a signal which is understood by a common person and used for controlling the speech conversion of the lifting of the electric control empennage; such as 'tail wing lifting', 'tail wing opening', 'tail wing descending', 'tail wing retracting' and the like; the acquisition process is to convert the voice into an electric signal through a microphone, namely a target voice signal;
s420, inputting a target voice signal into a pre-established voice model, extracting voice characteristics of the target voice signal through the voice model, and establishing a template according to the voice characteristics;
existing speech models, such as Hidden Markov Models (HMMs), have many advantageous characteristics. The state jump model of the HMM model is very suitable for the short-time stable characteristic of human voice, and can conveniently perform statistical modeling on an observed value (voice signal) which is continuously generated; the target voice signal needs to be preprocessed, feature information is extracted, and then a plurality of templates are established according to the feature information to cover commonly used phrases of users;
s430, matching the voice signal with the template, and generating a voice recognition result when the voice signal is matched with the model;
the voice signal is preprocessed as required by the target voice signal, feature information of the voice signal is extracted, then the feature information of the voice signal is matched with the module, the semanteme of the corresponding template is used as the semanteme of the voice signal when the matching degree is high (for example, the matching degree is 90%), and a corresponding recognition result is generated according to the semanteme;
s440, converting a voice recognition result into a first request signal according to a preset rule;
the first request signal includes a rising request signal and a falling request signal, and thus if the recognition result is "rising", the recognition result is converted into the rising request signal, and thus if the recognition result is "falling", the recognition result is converted into the falling request signal.
Fig. 5 is a flowchart of step S320 in an exemplary embodiment in the embodiment shown in fig. 3. As shown in fig. 5, the process of the manual control signal including the gesture image, recognizing the gesture signal, and generating the first request signal according to the gesture recognition result may include steps S510 to S540, which are described in detail as follows:
in consideration of convenience of users, the electric empennage is controlled through gesture recognition, and in addition, the vehicle-mounted device system and the camera are needed to be used when the gesture recognition is carried out for collection, so that the gesture recognition needs to be carried out when the automobile is in a power-on state.
S510, segmenting the gesture image to obtain a hand image;
gesture segmentation is a key step in the gesture recognition process, and the effect of gesture segmentation directly influences the gesture analysis of the next step and the final gesture recognition. The most common gesture segmentation methods at present mainly comprise gesture segmentation based on monocular vision and gesture segmentation based on stereoscopic vision;
s520, extracting a plurality of features in the hand image, and selecting gesture features from the features;
features in gesture recognition include: the common gesture analysis method comprises the following steps: edge contour extraction, centroid finger and other multi-feature combination methods, and knuckle tracking methods; the required gesture characteristics can be obtained through the analysis method;
s530, inputting the gesture characteristics into a pre-established gesture recognition model to obtain a gesture recognition result;
specifically, a neural network is trained by acquiring a training data set comprising a large number of gesture features, a recognition model is acquired, and then gestures are recognized through a recognition module;
s540, converting a gesture recognition result into a first request signal according to a preset rule;
in this embodiment, the corresponding relationship between the gesture recognition result and the rising request signal and the falling request signal is stored in advance, and then the corresponding rising request signal or the falling request signal can be generated according to the gesture recognition result and the corresponding relationship.
In this embodiment, the gesture image is obtained through the camera inside the automobile, and the transmitting device and the receiving device of the infrared LED are built in the camera, so as to obtain the gesture image.
Fig. 6 is a flowchart of step S320 in an exemplary embodiment in the embodiment shown in fig. 3. As shown in FIG. 6, the vehicle status signals include vehicle speed; the process of comparing the value of the vehicle speed with the preset vehicle speed threshold and generating the second request signal according to the comparison result may include step S610, which is described in detail as follows:
s610, comparing the value of the vehicle speed with a preset first vehicle speed threshold value and a preset second vehicle speed threshold value, and generating a rising request signal when the value of the vehicle speed is greater than the first vehicle speed threshold value; when the vehicle speed value is less than the second vehicle speed threshold, a drop request signal is generated.
In this embodiment, the vehicle speed is obtained through an ESP (vehicle body stability system) module inside the vehicle, and the ESP module includes a wheel speed sensor inside, so that the vehicle speed can be obtained through the wheel speed sensor. Meanwhile, in some cases, a user does not lift the tail wing when driving at a high speed or does not want to retract the tail wing when driving at a low speed, and therefore, the electric tail wing lifting mode needs to be set to be linked with the vehicle speed in the vehicle, so that the lifting of the tail wing can be controlled according to the vehicle speed.
Fig. 7 is a flowchart of step S320 in an exemplary embodiment in the embodiment shown in fig. 3. As shown in fig. 7, the car status signal includes a distance between a car key and the car, and the second request signal includes a rise request signal and a fall request signal; the process of comparing the value of the distance between the vehicle key and the vehicle and the preset distance threshold and generating the second request signal according to the comparison result may include step S710, which is described in detail as follows:
s710, comparing the distance value between the car key and the car with a preset first distance threshold value and a preset second distance threshold value, and generating a descending request signal when the distance value between the car key and the car is greater than the first distance threshold value; when the value of the distance of the vehicle key from the vehicle is smaller than the second distance threshold value, a rise request signal is generated.
In this embodiment, the step of obtaining the distance between the car key and the car includes:
s711, a positioning unit in the automobile detects the automobile key in real time by driving a low-frequency antenna and sends a low-frequency signal to the automobile key;
s712, after receiving the low-frequency signal, the vehicle key returns a high-frequency signal with field intensity information to the positioning unit;
s713, by inquiring the corresponding relation between the field intensity calibrated in advance and the distance, the distance can be obtained through the field intensity;
when the field strength satisfies the value of a certain area, the key is considered to be within the area, and if not, the key leaves the area.
Fig. 8 is a flowchart in an exemplary embodiment after step S310 in the embodiment shown in fig. 3. As shown in fig. 8, the process after the acquisition time of the manual control signal and the acquisition time of the vehicle status signal are sorted may include steps S810 to S830, which are described in detail as follows:
s810, acquiring the power-on state of the automobile, the duration time of the ascending state of the electric empennage, the current weather information of the location of the automobile and the current temperature value; sequencing the acquisition time of the duration and the acquisition time of the current weather information;
the duration time of the power-on state of the automobile and the rising state of the electric empennage is obtained through the automobile body control module, the current weather information is obtained through the vehicle-mounted internet module, and the current temperature value is obtained through the AC temperature sensor.
S820, when the following conditions are simultaneously met: the obtaining time of the duration is latest, the automobile is in a non-powered state, the duration exceeds a preset time threshold, a descending request signal is generated, and the electric empennage is controlled to descend according to the descending request signal;
step S820 is to prevent the user from forgetting to retract the rear wing after the car is extinguished, thereby causing the rear wing to be damaged, and thus playing a role in automatically protecting the rear wing.
S830, when the following conditions are simultaneously met: the method comprises the steps that the obtaining time of current weather information is latest, the current temperature value is lower than a preset temperature threshold value, the weather information comprises rain and snow weather information, a descending request signal is generated, and the electric empennage is controlled to descend according to the descending request signal.
Step S830 is to prevent bad weather from affecting the life of the electric rear wing.
Fig. 9 is a flowchart in an exemplary embodiment after step S320 or after step S330 in the embodiment shown in fig. 3. As shown in fig. 9, the process of controlling the electric tail to descend according to the descent request signal after controlling the electric tail to ascend or descend according to the first request signal, or after controlling the electric tail to ascend or descend according to the second request signal may include steps S910 to S930, which will be described in detail below;
s910, acquiring an actual rising amplitude of the electric empennage in a rising process, or acquiring an actual falling amplitude of the electric empennage in a falling process;
the actual rising amplitude or the actual falling amplitude is calculated by acquiring the rotation angle of the motor and then by corresponding relation between the rotation angle and the amount of exercise of the electric empennage.
S920, comparing the actual rising amplitude with a preset target rising amplitude, and controlling the electric tail wing to descend for multiple times and then ascend when the actual rising amplitude is smaller than the target rising amplitude; acquiring the rising amplitude of the last rising action of the electric empennage, and generating an alarm signal if the rising amplitude of the last rising action is smaller than the target rising amplitude;
the electric empennage has the ice breaking function, and in the embodiment, the electric empennage comprises the following components: the fact that the actual rising amplitude is smaller than the target rising amplitude is regarded as that the rising is not in place, and in cold regions, the tail wing cannot rise normally due to icing of the tail of the automobile, so that after the tail wing rises in place for the first time, an ice breaking mode is adopted, and the electric tail wing is controlled to descend for multiple times (2 times in the embodiment) and then rise, so that an ice layer is broken; if the last time rises or is not in place, outputting an alarm signal to be displayed on a screen of the vehicle machine; and the alarm signal can be output to a mobile phone APP of a user through a vehicle-mounted internet.
S930, comparing the actual descending amplitude with a preset target descending amplitude, and controlling the electric empennage to execute ascending action and generate an alarm signal when the actual descending amplitude is smaller than the target descending amplitude.
In the embodiment, the fact that the actual falling amplitude is smaller than the target falling amplitude is regarded as the falling position, foreign matters are easy to appear below the tail wing, the falling position of the tail wing can be caused by the existence of the foreign matters, and in order to prevent the tail wing from being damaged by the foreign matters, when the falling position occurs, the tail wing is controlled to rise, and meanwhile, an alarm signal is output to a screen of the car machine; and the alarm signal can be output to a mobile phone APP of a user through a vehicle-mounted internet.
In some embodiments, the raising or lowering of the tail wing can be controlled by directly inputting a raising request signal or a lowering request signal through the vehicle body control module or the bluetooth module.
The electric tail fin lifting mode can be set to be linked with a driving mode, and in the mode, if the driving mode of the automobile is set to be a motion mode or a track mode, the electric tail fin is directly lifted and does not change along with the speed of the automobile.
The application provides an automobile electric empennage control method, which is characterized in that an artificial control signal is identified, and an electric empennage is controlled according to an identification result; identifying the driving mode signal, and directly controlling the electric empennage according to the driving mode signal in a first driving mode; comparing the automobile state signal with a preset threshold value, and controlling the electric empennage according to the comparison result; therefore, manual control and automatic control in various modes are realized, and the use feeling of a user is improved.
As shown in fig. 10, the present application also provides an electric tail control system for a vehicle, including:
the acquisition module is used for acquiring manual control signals and automobile state signals;
the sequencing module is used for sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
the identification module is used for identifying the manual control signal when the judgment signal is the manual control signal and generating a first request signal according to an identification result;
the operation module is used for comparing the value of the automobile state signal with a preset automobile state signal threshold value when the judgment signal is the automobile state signal, and generating a second request signal according to the comparison result;
and the control module is used for controlling the electric empennage according to the first request signal or the second request signal.
Specifically, the acquisition module includes:
the ESP submodule is used for acquiring the vehicle speed;
the THU vehicle-mounted interconnection unit comprises a THU vehicle-mounted interconnection module, a THU vehicle-mounted interconnection module and a THU vehicle-mounted interconnection module, wherein the THU vehicle-mounted interconnection module comprises a microphone unit, a camera unit and a TBOX vehicle-mounted interconnection unit; the microphone unit is used for voice signals; the camera unit is used for acquiring gesture signals; the TBOX vehicle-mounted interconnection unit is used for acquiring weather information;
a vehicle body control submodule for directly acquiring the rising request signal and the falling request signal
The key positioning unit is used for acquiring the distance between a vehicle key and a vehicle;
the Bluetooth submodule is used for directly acquiring a rising request signal and a falling request signal through Bluetooth;
and the AC temperature sensor is used for acquiring a current temperature value.
The application provides an automobile electric empennage control system, which controls an electric empennage according to an identification result by identifying a manual control signal; identifying the driving mode signal, and directly controlling the electric empennage according to the driving mode signal in a first driving mode; comparing the automobile state signal with a preset threshold value, and controlling the electric empennage according to the comparison result; therefore, manual control and automatic control in various modes are realized, and the use feeling of a user is improved.
It should be noted that the traffic condition refreshing apparatus provided in the above embodiment and the traffic condition refreshing method provided in the above embodiment belong to the same concept, and the specific manner in which each module and unit execute operations has been described in detail in the method embodiment, and is not described herein again. In practical applications, the road condition refreshing apparatus provided in the above embodiment may distribute the above functions through different functional modules according to needs, that is, divide the internal structure of the apparatus into different functional modules to complete all or part of the above described functions, which is not limited herein.
An embodiment of the present application further provides an electronic device, including: one or more processors; the storage device is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the electronic device is enabled to implement the road condition refreshing method provided in the above embodiments.
FIG. 11 illustrates a schematic structural diagram of a computer system suitable for use in implementing the electronic device of an embodiment of the present application. It should be noted that the computer system 1100 of the electronic device shown in fig. 11 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 11, the computer system 1100 includes a Central Processing Unit (CPU) 1101, which can perform various appropriate actions and processes, such as executing the methods in the above-described embodiments, according to a program stored in a Read-Only Memory (ROM) 1102 or a program loaded from a storage section 1108 into a Random Access Memory (RAM) 1103. In the RAM 1103, various programs and data necessary for system operation are also stored. The CPU1101, ROM 1102, and RAM 1103 are connected to each other by a bus 1104. An Input/Output (I/O) interface 1105 is also connected to bus 1104.
The following components are connected to the I/O interface 1105: an input portion 1106 including a keyboard, mouse, and the like; an output section 1107 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, a speaker, and the like; a storage section 1108 including a hard disk and the like; and a communication section 1109 including a Network interface card such as a LAN (Local Area Network) card, a modem, or the like. The communication section 1109 performs communication processing via a network such as the internet. A drive 1111 is also connected to the I/O interface 1105 as necessary. A removable medium 1111 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 1111 as necessary, so that a computer program read out therefrom is mounted into the storage section 1108 as necessary.
In particular, according to embodiments of the present application, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication portion 1109 and/or installed from the removable medium 1111. When the computer program is executed by a Central Processing Unit (CPU) 1101, various functions defined in the system of the present application are executed.
It should be noted that the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. The computer readable storage medium may be, for example, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer-readable signal medium may comprise a propagated data signal with a computer-readable computer program embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. The computer program embodied on the computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
Another aspect of the present application also provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the foregoing road condition refreshing method. The computer-readable storage medium may be included in the electronic device described in the above embodiment, or may exist separately without being incorporated in the electronic device.
Another aspect of the application also provides a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instruction from the computer-readable storage medium, and executes the computer instruction, so that the computer device executes the road condition refreshing method provided in the above embodiments.
The above-described embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (10)

1. A control method for an electric tail wing of an automobile is characterized by comprising the following steps:
acquiring a manual control signal and an automobile state signal;
sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
when the judgment signal is an artificial control signal, identifying the artificial control signal, and generating a first request signal according to an identification result;
when the judgment signal is an automobile state signal, comparing the value of the automobile state signal with a preset automobile state signal threshold value, and generating a second request signal according to the comparison result;
and controlling the electric empennage according to the first request signal or the second request signal.
2. The method as claimed in claim 1, wherein the manual control signal comprises a voice signal, the recognizing the voice signal and generating the first request signal according to the voice recognition result comprises:
acquiring a target voice signal, wherein the target voice signal comprises information for controlling an electric control tail wing;
inputting a target voice signal into a pre-established voice model, extracting voice characteristics of the target voice signal through the voice model, and establishing a template according to the voice characteristics;
matching the voice signal with the template, and generating a voice recognition result when the voice signal is matched with the model;
and converting the voice recognition result into the first request signal according to a preset rule.
3. The method as claimed in claim 1, wherein the manual control signal comprises a gesture image, the recognizing the gesture image and generating the first request signal according to the gesture recognition result comprises:
segmenting the gesture image to obtain a hand image;
extracting a plurality of features in the hand image and selecting a gesture feature from the plurality of features;
inputting the gesture features into a pre-established gesture recognition model to obtain a gesture recognition result;
and converting the gesture recognition result into the first request signal according to a preset rule.
4. The method as claimed in claim 1, wherein the vehicle status signal includes a vehicle speed, and the second request signal includes a rise request signal and a fall request signal;
comparing the value of the vehicle speed with a preset vehicle speed threshold value, and generating a second request signal according to the comparison result, wherein the method comprises the following steps:
comparing the value of the vehicle speed with a preset first vehicle speed threshold value and a preset second vehicle speed threshold value, and generating the rising request signal when the value of the vehicle speed is greater than the first vehicle speed threshold value; generating the drop request signal when the vehicle speed value is less than the second vehicle speed threshold.
5. The method as claimed in claim 1, wherein the car status signal includes a distance between a key and a car, and the second request signal includes a rise request signal and a fall request signal;
compare the value of the distance of car key and car with preset distance threshold to according to the comparison result generation second request signal, include:
comparing the value of the distance between the car key and the car with a preset first distance threshold value and a preset second distance threshold value, and generating the descending request signal when the value of the distance between the car key and the car is greater than the first distance threshold value; generating the rise request signal when the value of the distance between the vehicle key and the vehicle is smaller than the second distance threshold.
6. The method as claimed in claim 1, further comprising, after the step of sequencing the acquisition times of the manual control signal and the car status signal:
acquiring the power-on state of the automobile, the duration of the ascending state of the electric empennage, the current weather information of the location of the automobile and the current temperature value; sequencing the acquisition time of the duration and the acquisition time of the current weather information;
when the following conditions are simultaneously satisfied: the obtaining time of the duration is latest, the automobile is in a non-electrified state, the duration exceeds a preset time threshold, a descending request signal is generated, and the electric empennage is controlled to descend according to the descending request signal;
when the following conditions are simultaneously satisfied: the method comprises the steps that the obtaining time of the current weather information is latest, the current temperature value is lower than a preset temperature threshold value, the weather information comprises rain and snow weather information, a descending request signal is generated, and the electric tail wing is controlled to descend according to the descending request signal.
7. The method as claimed in claim 6, wherein the step of controlling the electric tail to ascend or descend according to the first request signal, the step of controlling the electric tail to ascend or descend according to the second request signal, or the step of controlling the electric tail to descend according to the descent request signal comprises;
acquiring an actual rising amplitude of the electric tail in a rising process or acquiring an actual falling amplitude of the electric tail in a falling process;
comparing the actual rising amplitude with a preset target rising amplitude, and controlling the electric tail wing to ascend after descending for multiple times when the actual rising amplitude is smaller than the target rising amplitude; acquiring the rising amplitude of the last rising action of the electric empennage, and generating an alarm signal if the rising amplitude of the last rising action is smaller than the target rising amplitude;
and comparing the actual descending amplitude with a preset target descending amplitude, and controlling the electric tail wing to execute ascending action and generate an alarm signal when the actual descending amplitude is smaller than the target descending amplitude.
8. An electric tail control system for a vehicle, comprising:
the acquisition module is used for acquiring manual control signals and automobile state signals;
the sequencing module is used for sequencing the manual control signals and the automobile state signals according to the received time sequence, and taking the finally received signals as judgment signals;
the identification module is used for identifying the manual control signal when the judgment signal is the manual control signal and generating a first request signal according to an identification result;
the operation module is used for comparing the value of the automobile state signal with a preset automobile state signal threshold value when the judgment signal is the automobile state signal, and generating a second request signal according to the comparison result;
and the control module is used for controlling the electric empennage according to the first request signal or the second request signal.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a processor, implements the method of any one of claims 1 to 7.
10. An electronic terminal, comprising: a processor and a memory;
the memory is for storing a computer program and the processor is for executing the computer program stored by the memory to cause the terminal to perform the method of any of claims 1 to 7.
CN202210589810.XA 2022-05-26 2022-05-26 Automobile electric empennage control method, system, medium and electronic equipment Active CN114872801B (en)

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DE102011001054B4 (en) * 2011-03-03 2022-08-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Motor vehicle with a rear air-guiding device

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CN104828154A (en) * 2015-04-16 2015-08-12 浙江理工大学 Adjustable spoiler device
CN106938670A (en) * 2017-03-30 2017-07-11 重庆大学 A kind of adjustable empennage control system of automobile
CN110949550A (en) * 2019-12-11 2020-04-03 广州小鹏汽车科技有限公司 Tail wing control method and controller for vehicle, vehicle and storage medium

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