A method, system, and vehicle for adjusting driving posture.

Abstract

This application discloses a method, system, and vehicle for adjusting the driving posture of a vehicle. The method includes: a control processing module acquiring the driver's body characteristic information and comparing the body characteristic information with adjustment sample parameters in a storage module to obtain recommended data; the control processing module sending the recommended data to a rearview mirror adjustment drive module, a seat adjustment drive module, and a steering wheel adjustment drive module, respectively, and adjusting the rearview mirror, seat, and steering wheel according to the recommended data; after the adjustment is completed, a display module and a voice module respectively remind the driver to check key points of the vehicle; the control processing module receives the target verification result of the driver's check of key points of the vehicle according to the verification reminder, and obtains the target driving posture. This application makes precise adjustments to the vehicle based on the driver's information, so that the driver is in the optimal driving posture, which is more conducive to enhancing driving confidence and safety.

Description

Technical Field

[0001] This application relates to the field of vehicle driving posture adjustment technology, and in particular to a method, system, vehicle, and computer-readable storage medium for adjusting vehicle driving posture. Background Technology

[0002] Before driving, drivers usually adjust the rearview mirrors, seat, steering wheel, etc., according to their own body shape, sitting posture, and driving perspective. They also quickly obtain spatial perception of the car's length, width, height, ground clearance, front and rear wheel track, and tire position by observing key reference points to achieve the best driving posture, improve the driver's judgment, complete the corresponding driving actions, and ensure smooth and safe driving.

[0003] However, the optimal driving posture for the same driver varies depending on the type of vehicle being driven. This is especially true for drivers who frequently drive multiple types of vehicles (e.g., designated drivers) and drivers lacking driving experience (e.g., novices). Each time, the driver manually adjusts their driving posture based on their personal experience. When the driver is not in the optimal driving posture, it can lead to insufficient estimation of distance and width when meeting oncoming traffic or overtaking, and accidents such as wheels falling off the road or scraping or colliding with surrounding objects when turning.

[0004] Therefore, existing technologies still need to be improved and developed. Summary of the Invention

[0005] The main purpose of this application is to provide a method, system, vehicle, and computer-readable storage medium for adjusting the driving posture of a vehicle. The aim is to solve the problem in the prior art where drivers manually adjust their driving posture based on their driving experience before driving a car, which cannot enable the driver to be in a suitable and relaxed optimal driving posture. This results in the driver's inability to quickly judge the vehicle's position, leading to low vehicle driving safety.

[0006] The first aspect of this application provides a method for adjusting the driving posture of a vehicle. The vehicle includes a storage module, a control processing module, a rearview mirror adjustment drive module, a seat adjustment drive module, a steering wheel adjustment drive module, a display module, and a voice module. The method includes: the control processing module acquiring the driver's body feature information, comparing the body feature information with adjustment sample parameters in the storage module to obtain recommended data; the control processing module sending the recommended data to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module respectively; the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module respectively adjusting the rearview mirror, seat, and steering wheel of the vehicle according to the recommended data; after the adjustment is completed, the display module and the voice module respectively remind the driver to check key points of the vehicle; the control processing module receives the target verification result of the driver's check of key points of the vehicle according to the verification reminder, and obtains the target driving posture.

[0007] Based on the aforementioned technical means, this application embodiment can compare the driver's body characteristic information with preset adjustment sample parameters to obtain the corresponding seat fore-aft and height adjustment parameters, steering wheel height and fore-aft adjustment parameters, and rearview mirror height and angle adjustment parameters. Based on these parameters, the rearview mirrors, seat, and steering wheel of the vehicle driven by the driver are automatically adjusted to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to the optimal driving posture, enabling the driver to quickly and intuitively familiarize themselves with the vehicle. This helps the driver quickly acquire a reliable sense of the vehicle, improves driving confidence and safety, and greatly reduces accidents caused by incorrect driving posture leading to misjudgment of the vehicle, resulting in insufficient estimation of distance and width when meeting oncoming traffic or overtaking, and accidents such as wheels falling off the road or the vehicle scraping or colliding with surrounding objects when turning.

[0008] Optionally, in one embodiment of this application, the control processing module acquires the driver's body feature information and compares the body feature information with the adjustment sample parameters in the storage module to obtain recommended data. Specifically, the storage module pre-stores standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters. When the driver enters the vehicle, the control processing module receives the body feature information input by the driver through different input methods, wherein the body feature information includes height, weight, gender, age, and chest circumference. The control processing module compares the body feature information with the standard body feature parameters in the storage module to obtain a comparison result, and determines the rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters based on the comparison result to obtain target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters.

[0009] According to the above-mentioned technical means, in this embodiment of the application, standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters and steering wheel adjustment parameters are stored in the storage module in advance. After the driver inputs his / her body feature information, it is compared with the standard body feature parameters. The reason for the comparison is to make the subsequent rearview mirror, seat and steering wheel adjustments more suitable for the driver, and to obtain the target rearview mirror adjustment parameters, target seat adjustment parameters and target steering wheel adjustment parameters. These parameters play a decisive role in the subsequent adjustments, allowing the driver to obtain the best driving posture, and greatly improving the overall driving experience.

[0010] Optionally, in one embodiment of this application, the input method includes a vehicle-mounted virtual keyboard input method, a voice input method, and a terminal input method, wherein the terminal is connected to the vehicle.

[0011] Based on the above technical means, in this embodiment of the application, the driver can input the driver's physical characteristic information into the vehicle's infotainment system through different input methods, such as inputting through the virtual keyboard of the infotainment system, inputting by voice, or inputting through a terminal device connected to the vehicle's infotainment system wirelessly, via Bluetooth, or via wired connection. It is not limited to a single input method, and the driver can choose the method that is convenient for them to input, which greatly increases the user experience and facilitates efficient and accurate input of physical characteristic information.

[0012] Optionally, in one embodiment of this application, the control processing module acquires the driver's body feature information, compares the body feature information with the adjustment sample parameters in the storage module to obtain recommended data, and then further includes: the display module displays the recommended data to the driver to inquire whether it meets the adjustment requirements; if it cannot meet the driver's adjustment needs, the control processing module receives the driver's modification operation and outputs the driver's modified recommended data.

[0013] Based on the above technical means, in this embodiment of the application, after comparing the recommended parameters with the adjustment sample parameters in the storage module, if the recommended parameters do not meet the driver's actual adjustment needs, the driver can further fine-tune the rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters based on the recommended data to adjust to the optimal driving posture, which is more conducive to enhancing driving confidence and safety.

[0014] Optionally, in one embodiment of this application, the control processing module sends the recommended data to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module adjust the rearview mirror, seat, and steering wheel of the vehicle, respectively. Specifically, the control processing module sends the target rearview mirror adjustment parameters, the target seat adjustment parameters, and the target steering wheel adjustment parameters to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module adjusts the angle of the vehicle's rearview mirror according to the target rearview mirror adjustment parameters to obtain the target rearview mirror angle. The seat adjustment drive module adjusts the height and fore-aft position of the vehicle's seat according to the target seat adjustment parameters to obtain the target seat orientation. The steering wheel adjustment drive module adjusts the fore-aft position, height, and angle of the vehicle's steering wheel according to the target steering wheel adjustment parameters to obtain the target steering wheel orientation.

[0015] Based on the aforementioned technical means, this application embodiment obtains the optimal adjustment data for the vehicle's rearview mirror, seat, and steering wheel by comparing the driver's body characteristic information. Based on this data, the corresponding rearview mirror adjustment drive module, seat adjustment drive module, and steering wheel adjustment drive module automatically adjust the rearview mirror, seat, and steering wheel. Compared to manually adjusting based on the obtained data, the adjustment results are faster and more accurate, providing the driver with the optimal driving vision, enabling better judgment of the vehicle being driven, and reducing the incidence of traffic accidents.

[0016] Optionally, in one embodiment of this application, after the adjustment is completed, the display module and the voice module respectively remind the driver to check the key points of the vehicle. The control processing module receives the target verification result of the driver's vehicle key point verification based on the verification reminder and obtains the target driving posture. Specifically, this includes: after the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module have completed their adjustments, the display module displays the vehicle key points to the driver in the form of an image, and the voice module provides voice reminders to the driver about the vehicle key points through voice broadcast. The display module magnifies and displays the location information of the vehicle key points from a first main viewpoint based on the voice reminder. The control processing module receives the target verification result obtained by the driver's comparison of the vehicle's perspective information and the location information from the first main viewpoint, and obtains the target driving posture based on the target verification result.

[0017] Based on the aforementioned technical means, in this embodiment of the application, after the vehicle automatically adjusts its rearview mirrors, seats, and steering wheel according to the target adjustment parameters, the driver is reminded to check the adjustment degree of the left and right rearview mirrors, the wheel position information reference point, the front information reference, and the rear vehicle feel information in sequence. The display effect is shown on the screen from the current driver's first-person perspective, and key points such as the left and right front of the vehicle, the vehicle body view that should be observed in the left and right rearview mirrors (such as door handles and wheels), and the view effect that should be observed in the interior rearview mirror are partially magnified. The driver can obtain sufficient vehicle feel information through intuitive effect display, which solves the problem of unfamiliarity affecting driving when facing an unfamiliar vehicle. It realizes intuitive quantification and visualization of subjective vehicle feel, enhances driving confidence, driving efficiency and safety, and reduces the incidence of traffic accidents.

[0018] Optionally, in one embodiment of this application, the location information includes left rearview information, right rearview information, left wheel position vehicle feel information, right wheel position vehicle feel information, distance information to the left side of the front of the vehicle, and distance information to the right side of the front of the vehicle.

[0019] Based on the above technical means, the embodiments of this application verify the left rearview information, right rearview information, left wheel position vehicle feel information, right wheel position vehicle feel information, left front distance information, and right front distance information, so as to make the verified information more comprehensive, so as to obtain the best driving posture, so that the driver is in a suitable and relaxed state, and has a better understanding of the vehicle being driven, thereby improving driving confidence and safety.

[0020] A second aspect of this application provides a vehicle driving posture adjustment system, comprising: a storage module for storing adjustment sample parameters; a control processing module for acquiring the driver's body feature information, comparing the body feature information with the adjustment sample parameters in the storage module to obtain recommended data, sending the recommended data to a rearview mirror adjustment drive module, a seat adjustment drive module, and a steering wheel adjustment drive module respectively, and receiving the target verification result of the driver performing vehicle key point verification according to the verification reminder to obtain a target driving posture; the rearview mirror adjustment drive module for receiving the recommended data sent by the control processing module and adjusting the vehicle's rearview mirrors; the seat adjustment drive module for receiving the recommended data sent by the control processing module and adjusting the vehicle's seat; the steering wheel adjustment drive module for receiving the recommended data sent by the control processing module and adjusting the vehicle's steering wheel; a display module for issuing vehicle key point verification reminders to the driver; and a voice module for issuing vehicle key point verification reminders to the driver.

[0021] Optionally, in one embodiment of this application, the storage module is specifically used to: pre-store standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters.

[0022] Optionally, in one embodiment of this application, the control processing module is specifically configured to: receive body feature information input by the driver based on the display module; compare the body feature information with the standard body feature parameters in the storage module to obtain a comparison result; determine the rearview mirror adjustment parameters, the seat adjustment parameters, and the steering wheel adjustment parameters based on the comparison result to obtain target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters; send the target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively; receive the target verification result obtained by verifying the vehicle's perspective information and the point information observed by the driver from the first main perspective, and obtain the target driving posture based on the target verification result.

[0023] Optionally, in one embodiment of this application, the display module is specifically used to: display and remind the driver of key points of the vehicle in the form of images, and magnify and display the location information of the key points of the vehicle from a first main viewpoint according to the voice reminder.

[0024] A third aspect of this application provides a vehicle, the vehicle including: a storage module, a control processing module, and a vehicle driving posture adjustment program stored on the storage module and executable on the control processing module, wherein when the vehicle driving posture adjustment program is executed by the control processing module, it implements the steps of the vehicle driving posture adjustment method as described in the above embodiments.

[0025] A fourth aspect of this application provides a computer-readable storage medium storing a vehicle driving posture adjustment program, which, when executed by a control processing module, implements the steps of the vehicle driving posture adjustment method as described in the above embodiments.

[0026] The beneficial effects of this application are:

[0027] (1) By comparing the driver's body characteristic information with the preset adjustment sample parameters, the seat front-to-back and up-to-down adjustment parameters, the steering wheel up-to-down and front-to-back adjustment parameters, and the rearview mirror up-to-down and angle adjustment parameters corresponding to the driver's body characteristic information are obtained. Based on these parameters, the rearview mirror, seat and steering wheel of the vehicle driven by the driver are automatically adjusted to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to the best driving posture that suits him, so that the driver can quickly and intuitively become familiar with the vehicle, which can help the driver quickly obtain a reliable sense of the car, improve driving confidence and safety, and greatly reduce accidents caused by incorrect driving posture and misjudgment of the vehicle, such as insufficient estimation of distance and width when meeting oncoming traffic or overtaking, and wheels falling off the road, scraping or rubbing against surrounding objects when turning.

[0028] (2) In this embodiment of the application, the driver can input the driver's physical characteristic information into the vehicle's in-vehicle system through different input methods, such as inputting through the virtual keyboard of the in-vehicle system, inputting through voice, or inputting through the terminal device of the vehicle's in-vehicle system connected wirelessly, via Bluetooth or wired. It is not limited to a single input method. The driver can choose the method that is convenient for him or her to input, which greatly increases the user experience and makes it easier to input physical characteristic information efficiently and accurately.

[0029] (3) In this embodiment, standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters and steering wheel adjustment parameters are stored in the storage module in advance. After the driver inputs his body feature information, it is compared with the standard body feature parameters. The reason for the comparison is to make the subsequent rearview mirror, seat and steering wheel adjustments more suitable for the driver and obtain the target rearview mirror adjustment parameters, target seat adjustment parameters and target steering wheel adjustment parameters. These parameters play a decisive role in the subsequent adjustments, allowing the driver to obtain the best driving posture and greatly improving the overall driving experience. After comparing with the adjustment sample parameters in the storage module, if the obtained recommended parameters do not meet the driver's actual adjustment, the driver can further fine-tune the rearview mirror adjustment parameters, seat adjustment parameters and steering wheel adjustment parameters based on the recommended data to adjust to the best driving posture, which is more conducive to enhancing driving confidence and safety.

[0030] (4) In this embodiment, the optimal adjustment data of the vehicle’s rearview mirror, seat and steering wheel are obtained by comparing the driver’s physical characteristic information. Based on these data, the rearview mirror adjustment drive module, seat adjustment drive module and steering wheel adjustment drive module automatically adjust the rearview mirror, seat and steering wheel. Compared with manual adjustment based on the obtained data, the adjustment result is faster and more accurate, which can provide the driver with the best driving vision, so as to better judge the vehicle being driven and reduce the incidence of traffic accidents.

[0031] (5) In this embodiment of the application, after the vehicle automatically adjusts the rearview mirrors, seats and steering wheel according to the target adjustment parameters, the driver is reminded to check the adjustment degree of the left and right rearview mirrors, the wheel position information reference point, the front information reference, and the rear vehicle feel information in sequence. The display effect is shown on the screen from the current driver's first perspective, and key points such as the left and right front of the vehicle, the vehicle body view that should be observed in the left and right rearview mirrors (such as door handles and wheels), and the view effect that should be observed in the interior rearview mirror are magnified locally. The driver can obtain sufficient vehicle feel information through the intuitive effect display, which solves the problem of the driver's unfamiliarity when facing an unfamiliar vehicle and affecting driving. It realizes the intuitive quantification and visualization of subjective vehicle feel, enhances driving confidence and driving efficiency and safety, and reduces the incidence of traffic accidents.

[0032] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of a preferred embodiment of the driving posture adjustment system for the vehicle of this application;

[0035] Figure 2 This is a flowchart of a preferred embodiment of the driving posture adjustment method for the vehicle of this application;

[0036] Figure 3 This is a flowchart illustrating the entire execution process in a preferred embodiment of the vehicle driving posture adjustment method of this application;

[0037] Figure 4 This is a structural schematic diagram of a preferred embodiment of the vehicle described in this application.

[0038] Among them, 100 is the storage module, 200 is the control processing module, 300 is the rearview mirror adjustment drive module, 400 is the seat adjustment drive module, 500 is the steering wheel adjustment drive module, 600 is the display module, 700 is the voice module and 503 is the communication interface. Detailed Implementation

[0039] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0040] The following description, with reference to the accompanying drawings, describes a method, system, and vehicle for adjusting the driving posture of a vehicle according to embodiments of this application. Addressing the issue mentioned in the background art where drivers manually adjust their driving posture based on their experience before driving, it is difficult to achieve a suitable and relaxed optimal driving posture. This results in the driver's inability to quickly judge the vehicle's position, leading to lower driving safety. This application provides a method for adjusting the driving posture of a vehicle. In this method, the driver's body characteristic information is compared with preset adjustment sample parameters to obtain corresponding adjustment parameters for the seat (forward / backward, up / down), steering wheel (up / down, forward / backward), and rearview mirrors (up / down, angle). Based on these parameters, the rearview mirrors, seat, and steering wheel of the vehicle driven by the driver are automatically adjusted to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to a suitable optimal driving posture, allowing for quick and intuitive familiarization with the vehicle. This helps the driver quickly acquire reliable vehicle feel, enhancing driving confidence and safety. This solves the technical problem in related technologies where drivers manually adjust their driving posture based on their driving experience before driving, which fails to put the driver in a suitable and relaxed optimal driving posture, resulting in the driver's inability to quickly judge the vehicle's position and thus making it unsafe.

[0041] In this application, by comparing the driver's body characteristic information with preset adjustment sample parameters, the corresponding seat fore-aft and height adjustment parameters, steering wheel height and fore-aft adjustment parameters, and rearview mirror height and angle adjustment parameters are obtained. Based on these parameters, the rearview mirrors, seat, and steering wheel of the vehicle driven by the driver are automatically adjusted to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to the optimal driving posture that suits them, allowing the driver to quickly and intuitively familiarize themselves with the vehicle, thereby helping the driver to quickly obtain a reliable sense of the car and improve driving confidence and safety.

[0042] Specifically, such as Figure 1 As shown, the vehicle includes a storage module, a control processing module, a rearview mirror adjustment drive module, a seat adjustment drive module, a steering wheel adjustment drive module, a display module, and a voice module. Figure 2 This is a flowchart illustrating a method for adjusting the driving posture of a vehicle, as provided in an embodiment of this application.

[0043] like Figure 1 and Figure 2 As shown, the method for adjusting the driving posture of this vehicle includes the following steps:

[0044] In step S101, the control processing module acquires the driver's physical characteristic information, compares the physical characteristic information with the adjustment sample parameters in the storage module, and obtains recommended data.

[0045] It is understood that the driving posture quantification processing in this application embodiment is based on the premise that the driver is driving a vehicle that has not been adjusted for this driver or has been adjusted when driven by other drivers; if the driver enters a vehicle that has been adjusted for this driver or has been driven by himself for a long time, then there is no need to quantify the driver's driving posture.

[0046] When a driver enters a vehicle that has not been adjusted for them or has been adjusted by another driver, the driver inputs their physical characteristics information through the vehicle. In this application, the input method can be via a virtual keyboard, voice input, or a terminal connected to the vehicle's main unit via wireless or Bluetooth. The physical characteristics information primarily refers to body shape features, such as height, weight, and chest circumference (only basic shape features are required; including more detailed descriptions is not recommended due to difficulties in obtaining this information, impact on user experience, and privacy concerns). It should also include gender and age group. If input is via a display module, preferably a touchscreen module, it can perform human-computer interaction, information display, and serve as the interface for driver operation. This interface includes data input, display of preset vehicle models, image display of key points, and effect demonstrations. After the driver inputs their physical characteristics information, the vehicle's control processing module receives the information and performs calculation and matching processing.

[0047] In this application, the calculation of the aforementioned body feature information depends on one coordinate system and two coordinates: First, one coordinate system is the vehicle coordinate system established based on the vehicle driven by the driver; second, the two coordinates are: one is the position of the driver's eyes in the vehicle coordinate system, i.e., the field of vision coordinates, and the other is the coordinates of components related to posture and driving field of vision, such as the driver's seat, steering wheel, rearview mirrors, and other related body components, with the driver's seat coordinates being the most critical; therefore, the driver's field of vision coordinates in the vehicle coordinate system can be calculated, because the in-vehicle components (such as seats, steering wheels, etc.) are determined before leaving the factory, and the field of vision coordinates are obtained through calculation of the driver's body feature information; the specific process is: obtaining the field of vision coordinates (x, y, z), i.e., calculating the three parameters respectively; among the three parameters, x corresponds to the left and right position of the vehicle body, which is determined after the driver's seat is manufactured, and is a fixed quantity; the other two key parameters (y, z) are directly related to the driver's body shape characteristics; and in this application, the key parameter (y) The calculation of the (y, z) values ​​is preferably performed using a lookup table method. This involves comparing the data with sample data stored in the vehicle's storage module. This storage module contains pre-set sample data on factors influencing the driver's posture, such as height, weight, gender, and age, with a sample size sufficient to cover over 98% of drivers. It also includes parameters for the seat, rearview mirror, and steering wheel corresponding to each posture sample, allowing the acquisition of pre-calculated key parameter (y, z) values, i.e., the field-of-view coordinates. Additionally, the storage module also contains pre-set vehicle body adjustment parameters for this example field-of-view coordinates, including seat adjustment, rearview mirror angle adjustment, and steering wheel adjustment. The sample data in this application is preferably stored in the vehicle's storage module, but other acquisition methods are not limited to, such as obtaining it from a cloud server via the vehicle's communication module. After obtaining the field-of-view coordinates, the rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters are matched to determine the target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters corresponding to the driver's body characteristics.

[0048] In other words, this application pre-stores standard body characteristic parameters and corresponding rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters in the storage module. After the driver inputs their body characteristic information, it is compared with the standard body characteristic parameters. The reason for this comparison is to make the subsequent rearview mirror, seat, and steering wheel adjustments more suitable for the driver, obtaining target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters. These parameters play a decisive role in subsequent adjustments, enabling the driver to quickly adjust to the optimal driving posture, allowing the driver to quickly and intuitively familiarize themselves with the vehicle, thus helping the driver to quickly acquire a reliable sense of the car and improve driving confidence and safety.

[0049] Furthermore, the control processing module acquires the driver's body feature information, compares the body feature information with the adjustment sample parameters in the storage module, and then the display module displays the recommended data to the driver to inquire whether it meets the adjustment requirements. If the driver's adjustment needs cannot be met, the control processing module receives the driver's modification operation and outputs the modified recommended data to the driver to complete the final customized best driving posture and the resulting optimal driving perspective.

[0050] In other words, this application can compare the recommended parameters with the adjustment sample parameters in the storage module. If the recommended parameters do not meet the driver's actual adjustment needs, the driver can further fine-tune the rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters based on the recommended data to achieve the best driving posture, which is more conducive to enhancing driving confidence and safety.

[0051] In step S102, the control processing module sends the recommended data to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module adjust the rearview mirror, the seat, and the steering wheel of the vehicle according to the recommended data.

[0052] It is understood that the rearview mirror adjustment drive module is pre-installed on the rearview mirror body, the seat adjustment drive module is installed on the seat body, and the steering wheel adjustment drive module is installed on the steering wheel body. All of them are used to receive operation commands sent by the control processing module and drive the rearview mirror, seat, and steering wheel accordingly based on the operation commands.

[0053] After the control processing module calculates and matches the target rearview mirror adjustment parameters, the target seat adjustment parameters, and the target steering wheel adjustment parameters, it sequentially sends these parameters to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module via the vehicle's internal communication bus (e.g., CAN, LIN, etc.). The rearview mirror adjustment drive module adjusts the angle of the vehicle's rearview mirror according to the target rearview mirror adjustment parameters to obtain the target rearview mirror angle. The seat adjustment drive module adjusts the height and fore-aft position of the vehicle's seat according to the target seat adjustment parameters to obtain the target seat orientation. The steering wheel adjustment drive module adjusts the fore-aft position, height, and angle of the vehicle's steering wheel according to the target steering wheel adjustment parameters to obtain the target steering wheel orientation. This completes the adjustment of the rearview mirror, the seat, and the steering wheel.

[0054] In other words, this application obtains the optimal adjustment data for the vehicle's rearview mirrors, seats, and steering wheel by comparing the driver's physical characteristics information. Based on this data, the corresponding rearview mirror adjustment drive module, seat adjustment drive module, and steering wheel adjustment drive module automatically adjust the rearview mirrors, seats, and steering wheel. Compared to manual adjustment based on the obtained data, the adjustment results are faster and more accurate, providing the driver with the best driving vision, enabling better judgment of the vehicle being driven, and reducing the incidence of traffic accidents.

[0055] In step S103, after the adjustment is completed, the display module and the voice module respectively remind the driver to check the key points of the vehicle. The control processing module receives the target verification result of the driver's vehicle key point verification based on the verification reminder and obtains the target driving posture.

[0056] After the rearview mirror adjustment drive module, seat adjustment drive module, and steering wheel adjustment drive module have completed their adjustments, the voice module and display module guide the driver to confirm key vehicle locations. The display module provides visual reminders of these key locations to the driver, while the voice module provides voice reminders. Following the voice module's prompts, the driver sequentially checks the adjustment of the left and right rearview mirrors, wheel position reference points, front information references, and rear vehicle feel information. With the voice module's guidance, the driver also checks the left and right rearview mirrors, wheel position reference points, front information references, and rear vehicle feel information. The visual guidance, left wheel position vehicle feel guidance, right wheel position vehicle feel guidance, left front distance guidance, and right front distance guidance are displayed on the display module from a first-person perspective. Key points, such as the left and right front of the vehicle, the vehicle body view that should be observed in the left and right rearview mirrors (e.g., door handles, wheels), and the view that should be observed in the interior rearview mirror, are displayed in a magnified manner. The driver can visually view the display and check the guidance provided by the display module according to the driver's actual perspective inside the vehicle. The target verification result is obtained, and the target driving posture is obtained based on the target verification result.

[0057] In this application, several quantitative parameters are proposed to describe the target driving posture, i.e., the optimal driving posture. These parameters include, but are not limited to: 1. The height H1 of the driver's legs from the vehicle's floor; 2. The distance L1 from the driver's body to the steering wheel; 3. The distance L2 from the driver's head to the roof; 4. The fore-and-aft angle D of the driver's driving posture. These parameters can quantitatively describe whether the driver's current driving posture matches the system's preset recommended optimal driving posture. The driver can also adjust their own optimal driving posture according to their actual situation. After confirming the optimal driving posture, the display module in this application will provide the values ​​of the above quantitative parameters and provide some physical objects as intuitive references for these parameter values. For example, the effect of the right side of the front of the car indicates that the safe distance on the right side of the vehicle is 30cm. The distance from the driver's body to the steering wheel in the current driving posture is two fists, and the distance from the driver's body to the roof is one fist. The legs in the current sitting posture can be naturally straightened, etc. These are all displayed through the display module and can also be accompanied by voice broadcast.

[0058] In other words, after the vehicle automatically adjusts its rearview mirrors, seats, and steering wheel according to the target adjustment parameters, this application reminds the driver to check the adjustment degree of the left and right rearview mirrors, the wheel position information reference point, the front information reference, and the rear vehicle feel information in sequence. The display effect is shown on the screen from the current driver's first-person perspective, and key points such as the left and right front of the vehicle, the vehicle body view that should be observed in the left and right rearview mirrors (such as door handles and wheels), and the view effect that should be observed in the interior rearview mirror are magnified locally. The driver can obtain sufficient vehicle feel information through intuitive effect display, which solves the problem of unfamiliarity affecting driving when facing an unfamiliar vehicle. It realizes intuitive quantification and visualization of subjective vehicle feel, enhances driving confidence, driving efficiency and safety, and reduces the incidence of traffic accidents.

[0059] Furthermore, when it is necessary to quantify distances, such as the distance between the front of a vehicle, a preset reference object model can be retrieved, such as a model of a traffic cone or curb, as a reference.

[0060] In other words, in this embodiment of the application, when it is necessary to quantify the vehicle distance, the vehicle system will call up a preset reference object model as a reference, so as to help the driver enter the virtual reality scene more quickly and enable the driver to judge the current vehicle distance more accurately.

[0061] The following describes the entire implementation process in further detail, following the steps of the driving posture adjustment method for the vehicle described in this application. Figure 3 As shown:

[0062] Step S1, Begin;

[0063] Step S2: Obtain the body feature information input by the driver and send the body feature information to the control processing module;

[0064] In step S3, the control processing module calculates and matches the body feature information, outputs actuator adjustment parameters based on the body feature information, and issues adjustment commands to the rearview mirror adjustment drive module, seat adjustment drive module, and steering wheel adjustment drive module to complete the initial adjustment.

[0065] Step S4: The display module displays the vehicle's external dimension outline model and highlights relevant key vehicle points, such as the left and right front ends, left and right door handles, and wheels.

[0066] Step S5: The display module and the voice module respectively issue a verification reminder for the vehicle's key points to the driver, and determine whether the vehicle's key points need to be adjusted. If adjustment is required, proceed to step S6; if no adjustment is required or the adjustment is completed, proceed to step S7.

[0067] Step S6: If adjustments are needed, enter the adjustment interface and make corresponding adjustments to the rearview mirror, seat, and steering wheel.

[0068] Step S7: Obtain the optimal driving posture under the current driver's body characteristics information, and output the quantitative information of key points of the vehicle.

[0069] Step S8, End.

[0070] In summary, this application embodiment can compare the driver's body characteristic information with preset adjustment sample parameters to obtain the corresponding seat fore-aft and height adjustment parameters, steering wheel height and fore-aft adjustment parameters, and rearview mirror height and angle adjustment parameters. Based on these parameters, the rearview mirrors, seat, and steering wheel of the vehicle driven by the driver are automatically adjusted to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to the optimal driving posture, allowing the driver to quickly and intuitively familiarize themselves with the vehicle. This helps the driver quickly acquire a reliable sense of the vehicle, improves driving confidence and safety, and greatly reduces safety accidents caused by incorrect driving posture leading to misjudgment of the vehicle, such as underestimation of distance and width when meeting oncoming traffic or overtaking, and wheels falling off the road or scraping or colliding with surrounding objects when turning.

[0071] Next, with reference to the accompanying drawings, a vehicle driving posture adjustment system according to an embodiment of this application is described.

[0072] Figure 1 This is a block diagram of a vehicle driving posture adjustment system according to an embodiment of this application.

[0073] like Figure 1As shown, the vehicle's driving posture adjustment system includes: a storage module 100, a control processing module 200, a rearview mirror adjustment drive module 300, a seat adjustment drive module 400, a steering wheel adjustment drive module 500, a display module 600, and a voice module 700.

[0074] Specifically, the storage module 100 is used to store adjustment sample parameters;

[0075] The control processing module 200 is used to acquire the driver's body feature information, compare the body feature information with the adjustment sample parameters in the storage module to obtain recommended data, send the recommended data to the rearview mirror adjustment drive module 300, the seat adjustment drive module 400 and the steering wheel adjustment drive module 500 respectively, and receive the target verification result of the driver's vehicle key point verification according to the verification reminder to obtain the target driving posture.

[0076] The rearview mirror adjustment drive module 300 is used to receive the recommended data sent by the control processing module 200 and adjust the rearview mirrors of the vehicle.

[0077] The seat adjustment drive module 400 is used to receive the recommendation data sent by the control processing module 200 and adjust the seat of the vehicle.

[0078] The steering wheel adjustment drive module 500 is used to receive the recommended data sent by the control processing module 200 and adjust the steering wheel of the vehicle.

[0079] The display module 600 is used to issue verification reminders to the driver regarding key points of the vehicle;

[0080] The voice module 700 is used to issue verification reminders to the driver regarding key points of the vehicle.

[0081] Optionally, in one embodiment of this application, the storage module 100 is specifically used to: pre-store standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters and steering wheel adjustment parameters.

[0082] Optionally, in one embodiment of this application, the control processing module 200 is specifically configured to: receive body feature information input by the driver based on the display module; compare the body feature information with the standard body feature parameters in the storage module to obtain a comparison result; determine the rearview mirror adjustment parameters, the seat adjustment parameters, and the steering wheel adjustment parameters according to the comparison result to obtain target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters; send the target rearview mirror adjustment parameters, target seat adjustment parameters, and target steering wheel adjustment parameters to the rearview mirror adjustment drive module 300, the seat adjustment drive module 400, and the steering wheel adjustment drive module 500, respectively; receive the target verification result obtained by verifying the perspective information of the vehicle observed by the driver from the first main perspective with the point information, and obtain the target driving posture according to the target verification result.

[0083] Optionally, in one embodiment of this application, the display module 600 is specifically used to: display and remind the driver of key points of the vehicle in the form of images, and magnify and display the location information of the key points of the vehicle from a first main viewpoint according to the voice reminder.

[0084] It should be noted that the foregoing explanation of the vehicle driving posture adjustment method embodiment also applies to the vehicle driving posture adjustment system of this embodiment, and will not be repeated here.

[0085] The vehicle driving posture adjustment system proposed in this application can compare the driver's body characteristic information with preset adjustment sample parameters to obtain the corresponding seat fore-aft and height adjustment parameters, steering wheel height and fore-aft adjustment parameters, and rearview mirror height and angle adjustment parameters. Based on these parameters, the system automatically adjusts the rearview mirrors, seat, and steering wheel of the vehicle driven by the driver to the positions corresponding to the parameters. Through a visual interface and voice guidance, the driver can quickly adjust to the optimal driving posture that suits them, allowing the driver to quickly and intuitively familiarize themselves with the vehicle, thereby helping the driver to quickly obtain a reliable sense of the vehicle and improve driving confidence and safety.

[0086] This solves the technical problem in related technologies where drivers manually adjust their driving posture based on their driving experience before driving, which fails to put the driver in a suitable and relaxed optimal driving posture, resulting in the driver's inability to quickly judge the vehicle's position and thus lower driving safety.

[0087] Figure 4 A schematic diagram of the structure of a vehicle provided in an embodiment of this application. The vehicle may include:

[0088] Storage module 100, control processing module 200, and computer program stored on storage module 100 and executable on control processing module 200.

[0089] When the control processing module 200 executes the program, it implements the vehicle driving posture adjustment method provided in the above embodiments.

[0090] Furthermore, the vehicle also includes:

[0091] Communication interface 503 is used for communication between the control processing module and the control processing module 200.

[0092] Storage module 100 is used to store computer programs that can run on control processing module 200.

[0093] Storage module 100 may include high-speed RAM memory, and may also include non-volatile memory, such as at least one disk storage.

[0094] If the storage module 100, control processing module 200, and communication interface 503 are implemented independently, then the communication interface 503, storage module 100, and control processing module 200 can be interconnected via a bus to complete communication between them. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EIS) bus, etc. Buses can be categorized as address buses, data buses, control buses, etc. For ease of representation, Figure 4 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.

[0095] Optionally, in a specific implementation, if the storage module 100, the control processing module 200, and the communication interface 503 are integrated on a single chip, then the storage module 100, the control processing module 200, and the communication interface 503 can communicate with each other through an internal interface.

[0096] The control processing module 200 may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of this application.

[0097] This embodiment also provides a computer-readable storage medium storing a computer program that, when executed by a control processing module, implements the above-described method for adjusting the driving posture of a vehicle.

[0098] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0099] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0100] Any process or method described in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or N executable instructions for implementing custom logic functions or processes, and the scope of the preferred embodiments of this application includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the functions involved, as should be understood by those skilled in the art to which embodiments of this application pertain.

[0101] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be embodied in any computer-readable storage medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (such as a computer-based system, a system including a control processing module, or other system that can fetch and execute instructions from, an instruction execution system, apparatus, or device). For the purposes of this specification, "computer-readable storage medium" can be any means that can contain, store, communicate, propagate, or transmit programs for use by, or in conjunction with, an instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of computer-readable storage media include: an electrical connection having one or more wires (electronic device), a portable computer disk drive (magnetic device), random access memory (RAM), read-only memory (ROM), erasable and editable read-only memory (EPROM or flash memory), fiber optic devices, and portable optical disc read-only memory (CDROM). Alternatively, the computer-readable storage medium could be paper or other suitable media on which the program can be printed, since the program can be obtained electronically by optically scanning the paper or other medium, followed by editing, interpreting, or otherwise processing as necessary, and then stored in a computer memory.

[0102] It should be understood that the various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods can be implemented using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware as in another embodiment, it can be implemented using any one or a combination of the following techniques known in the art: discrete logic circuits having logic gates for implementing logical functions on data signals, application-specific integrated circuits (ASICs) having suitable combinational logic gates, programmable gate arrays (PGAs), field-programmable gate arrays (FPGAs), etc.

[0103] Those skilled in the art will understand that all or part of the steps of the methods in the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.

[0104] Furthermore, the functional units in the various embodiments of this application can be integrated into a processing module, or each unit can exist physically separately, or two or more units can be integrated into a module. The integrated module can be implemented in hardware or as a software functional module. If the integrated module is implemented as a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0105] The storage medium mentioned above can be a read-only memory, a disk, or an optical disk, etc. Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application.

[0106] It should be understood that the application of this application is not limited to the examples above. Those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A method for adjusting the driving posture of a vehicle, characterized in that, The vehicle includes a storage module, a control processing module, a rearview mirror adjustment drive module, a seat adjustment drive module, a steering wheel adjustment drive module, a display module, and a voice module; The method for adjusting the driving posture of the vehicle includes: The control processing module acquires the driver's physical characteristic information, compares the physical characteristic information with the adjustment sample parameters in the storage module, and obtains recommended data. The control processing module sends the recommended data to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module adjust the rearview mirror, seat, and steering wheel of the vehicle according to the recommended data. After the adjustment is completed, the display module and the voice module respectively remind the driver to check the key points of the vehicle. The control processing module receives the target verification result of the driver's vehicle key point verification based on the verification reminder and obtains the target driving posture. After the adjustment is completed, the display module and the voice module respectively remind the driver to check the key points of the vehicle. The control processing module receives the target verification result of the driver's vehicle key point verification based on the verification reminder, and obtains the target driving posture, specifically including: After the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module have completed their adjustments, the display module provides the driver with visual reminders of key vehicle locations, and the voice module provides the driver with voice reminders of key vehicle locations. The display module magnifies and displays the location information of key points of the vehicle from a first main perspective according to the voice prompt. The control processing module checks the view information and the location information to obtain the target verification result, and obtains the target driving posture based on the target verification result. The view information is obtained based on the driver's observation from the first main perspective. The quantitative parameters describe whether the driver's current target driving posture matches the system's preset recommended optimal driving posture. If the target driving posture is the optimal driving posture, the quantitative parameters and the corresponding physical reference are displayed through the display module.

2. The method for adjusting the driving posture of a vehicle according to claim 1, characterized in that, The control processing module acquires the driver's physical characteristic information, compares the physical characteristic information with the adjustment sample parameters in the storage module, and obtains recommended data, specifically including: The storage module pre-stores standard body feature parameters and the corresponding rearview mirror adjustment parameters, seat adjustment parameters, and steering wheel adjustment parameters. When the driver enters the vehicle, the control processing module receives the driver's body feature information input through different input methods, including height, weight, gender, age, and chest circumference. The control processing module compares the body feature information with the standard body feature parameters in the storage module to obtain the comparison result, and determines the rearview mirror adjustment parameters, the seat adjustment parameters, and the steering wheel adjustment parameters based on the comparison result to obtain the target rearview mirror adjustment parameters, the target seat adjustment parameters, and the target steering wheel adjustment parameters.

3. The method for adjusting the driving posture of a vehicle according to claim 2, characterized in that, The input methods include in-vehicle virtual keyboard input, voice input, and terminal input, wherein the terminal is connected to the vehicle.

4. The method for adjusting the driving posture of a vehicle according to claim 1, characterized in that, The control processing module acquires the driver's physical characteristic information, compares the physical characteristic information with the adjustment sample parameters in the storage module to obtain recommended data, and then further includes: The display module shows the recommended data to the driver to ask if it meets the adjustment requirements. If it cannot meet the driver's adjustment needs, the control processing module receives the driver's modification operation and outputs the modified recommended data to the driver.

5. The method for adjusting the driving posture of a vehicle according to claim 2, characterized in that, The control processing module sends the recommended data to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module adjust the vehicle's rearview mirror, seat, and steering wheel according to the recommended data, specifically including: The control processing module sends the target rearview mirror adjustment parameters, the target seat adjustment parameters, and the target steering wheel adjustment parameters to the rearview mirror adjustment drive module, the seat adjustment drive module, and the steering wheel adjustment drive module, respectively. The rearview mirror adjustment drive module adjusts the angle of the vehicle's rearview mirror according to the target rearview mirror adjustment parameters to obtain the target rearview mirror angle; The seat adjustment drive module adjusts the height and fore-aft position of the vehicle's seat according to the target seat adjustment parameters to obtain the target seat orientation; The steering wheel adjustment drive module adjusts the fore-and-aft position, height, and angle of the vehicle's steering wheel according to the target steering wheel adjustment parameters to obtain the target steering wheel orientation.

6. The method for adjusting the driving posture of a vehicle according to claim 1, characterized in that, The location information includes left rearview information, right rearview information, left wheel position information, right wheel position information, distance to the left side of the vehicle front, and distance to the right side of the vehicle front.

7. A vehicle driving posture adjustment system, characterized in that, The vehicle driving posture adjustment system is used to implement the vehicle driving posture adjustment method according to any one of claims 1-6. The vehicle driving posture adjustment system includes: a storage module, a control processing module, a rearview mirror adjustment drive module, a seat adjustment drive module, a steering wheel adjustment drive module, a display module, and a voice module. The storage module is used to store the parameters of the adjusted sample; The control processing module is used to acquire the driver's body feature information, compare the body feature information with the adjustment sample parameters in the storage module to obtain recommended data, send the recommended data to the rearview mirror adjustment drive module, seat adjustment drive module and steering wheel adjustment drive module respectively, and receive the target verification result of the driver's vehicle key point verification according to the verification reminder to obtain the target driving posture. The rearview mirror adjustment drive module is used to receive the recommended data sent by the control processing module and adjust the rearview mirror of the vehicle. The seat adjustment drive module is used to receive the recommended data sent by the control processing module and adjust the seat of the vehicle. The steering wheel adjustment drive module is used to receive the recommended data sent by the control processing module and adjust the steering wheel of the vehicle. The display module is used to remind the driver to check key points of the vehicle; The voice module is used to remind the driver to check key points of the vehicle.

8. A vehicle, characterized in that, The vehicle includes: a storage module, a control processing module, and a vehicle driving posture adjustment program stored on the storage module and executable on the control processing module. When the vehicle driving posture adjustment program is executed by the control processing module, it implements the steps of the vehicle driving posture adjustment method as described in any one of claims 1-6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a vehicle driving posture adjustment program, which, when executed by the control processing module, implements the steps of the vehicle driving posture adjustment method as described in any one of claims 1-6.

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