CN113299095B - Vehicle calibration reminding method and device, electronic equipment and storage medium - Google Patents
Vehicle calibration reminding method and device, electronic equipment and storage medium Download PDFInfo
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- CN113299095B CN113299095B CN202110557341.9A CN202110557341A CN113299095B CN 113299095 B CN113299095 B CN 113299095B CN 202110557341 A CN202110557341 A CN 202110557341A CN 113299095 B CN113299095 B CN 113299095B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
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Abstract
The application is applicable to the technical field of vehicles, and provides a vehicle calibration reminding method, a device, electronic equipment and a storage medium, and the method comprises the following steps: acquiring a current deviation data value of a target module, wherein the target module is a module in an advanced driving assistance system of a vehicle; if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period. The embodiment of the application can remind a vehicle owner to carry out ADAS calibration in advance.
Description
Technical Field
The application belongs to the technical field of vehicles, and particularly relates to a vehicle calibration reminding method and device, electronic equipment and a storage medium.
Background
An Advanced Driving Assistance System (ADAS) senses the surrounding environment at any time during the Driving of an automobile by using various sensors mounted on the automobile, collects data, identifies, detects and tracks static and dynamic objects, and performs systematic calculation and analysis by combining navigation map data, so that a driver can perceive possible dangers in advance, and the comfort and safety of automobile Driving are effectively improved.
Generally, after the vehicle is used for a period of time or suffers from a collision, the modules in the vehicle ADAS have a larger error than when shipped from the factory. At this time, calibration of modules in the ADAS (referred to as ADAS calibration for short) is required to reduce errors and improve safety of vehicle driving. At present, ADAS calibration of a vehicle is usually performed after the vehicle fails, and the subsequent ADAS calibration mode may bring certain potential safety hazards to vehicle driving.
Disclosure of Invention
In view of this, embodiments of the present application provide a vehicle calibration prompting method, a vehicle calibration prompting device, and an electronic device, so as to solve a problem in the prior art how to prompt an owner to perform ADAS calibration in advance.
A first aspect of an embodiment of the present application provides a vehicle calibration reminding method, including:
acquiring a current deviation data value of a target module, wherein the target module is a module in an advanced driving assistance system of a vehicle;
if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period.
Optionally, the target vehicle speed comprises an average vehicle speed or a maximum vehicle speed of the vehicle over a preset period.
Optionally, before the obtaining the current deviation data value of the target module, the method further includes:
establishing a mapping relation between the speed of the target vehicle and a safety deviation range;
correspondingly, if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out, and the method comprises the following steps:
determining a current safety deviation range according to the target vehicle speed of the vehicle in a preset period and the mapping relation;
and if the current deviation data value exceeds the safe deviation range, vehicle calibration reminding is carried out.
Optionally, before the vehicle calibration is prompted if the current deviation data value exceeds a pre-stored safety deviation range, the method further includes:
acquiring a vehicle identification number of the vehicle;
and determining a safety deviation range corresponding to a target module according to the vehicle identification number and the target vehicle speed.
Optionally, the determining a safety deviation range corresponding to the target module according to the vehicle identification number and the vehicle speed includes:
determining a preset deviation range corresponding to a target module according to the vehicle identification number;
if the vehicle speed is less than or equal to a preset speed threshold value, taking the preset deviation range as a safety deviation range corresponding to the target module; otherwise, determining a sub-range of the preset deviation range as a safety deviation range corresponding to the target module.
Optionally, if the current deviation data value exceeds a pre-stored safety deviation range, performing vehicle calibration reminding, including:
and if the current deviation data value exceeds the safety deviation range, carrying out vehicle calibration reminding of a corresponding grade according to the difference value of the current deviation data value and the boundary value of the safety deviation range.
Optionally, after the vehicle calibration is prompted if the current deviation data value exceeds a pre-stored safety deviation range, the method further includes:
and displaying the calibration indication information corresponding to the target module.
A second aspect of the embodiments of the present application provides a vehicle calibration reminding device, including:
a deviation data value acquisition unit for acquiring a current deviation data value of a target module, wherein the target module is a module in an advanced driving assistance system of a vehicle;
the reminding unit is used for carrying out vehicle calibration reminding if the current deviation data value exceeds a pre-stored safety deviation range; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period.
Optionally, the target vehicle speed comprises an average vehicle speed or a maximum vehicle speed of the vehicle over a preset period.
Optionally, the vehicle calibration reminding device further includes:
the mapping relation establishing unit is used for establishing a mapping relation between the speed of the target vehicle and the safety deviation range;
correspondingly, the reminding unit is specifically used for determining the current safety deviation range according to the target vehicle speed of the vehicle in a preset period and the mapping relation; and if the current deviation data value exceeds the safe deviation range, vehicle calibration reminding is carried out.
Optionally, the vehicle calibration reminding device further includes:
a vehicle identification number acquisition unit for acquiring a vehicle identification number of the vehicle;
correspondingly, the safety deviation range determining unit is specifically configured to determine a safety deviation range corresponding to the target module according to the vehicle identification number and the target vehicle speed.
Optionally, the safety deviation range determining unit is specifically configured to determine a preset deviation range corresponding to the target module according to the vehicle identification number; if the target vehicle speed is less than or equal to a preset speed threshold, taking the preset deviation range as a safety deviation range corresponding to the target module; otherwise, determining a sub-range of the preset deviation range as a safety deviation range corresponding to the target module.
Optionally, the reminding unit is specifically configured to perform vehicle calibration reminding of a corresponding level according to a difference between the current deviation data value and a boundary value of the safety deviation range if the current deviation data value exceeds the safety deviation range.
Optionally, the vehicle calibration reminding device further includes:
and the calibration indicating unit is used for displaying calibration indicating information corresponding to the target module.
A third aspect of embodiments of the present application provides an electronic device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, causes the electronic device to implement the steps of the vehicle calibration alert method as described.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, causes an electronic device to carry out the steps of the vehicle calibration alert method as described.
A fifth aspect of embodiments of the present application provides a computer program product, which, when run on an electronic device, causes the electronic device to execute the vehicle calibration reminding method of any one of the above first aspects.
Compared with the prior art, the embodiment of the application has the advantages that: in the embodiment of the application, a current deviation data value of a module, namely a target module, in an advanced driving assistance system of a vehicle is actively acquired, and when the current data value is determined to exceed a pre-stored safe deviation range, vehicle calibration reminding is actively carried out. The pre-stored safety deviation range is a constraint range of a deviation data value determined according to the target vehicle speed of the vehicle in a preset period, namely the safety deviation range is a safety range matched with the actual running speed condition of the vehicle, so that according to the actively acquired current deviation data and the safety deviation range, when the current deviation data exceeds the safety deviation range, a certain safety risk caused by the deviation of a target module during the actual running of the vehicle can be judged, at the moment, the vehicle calibration reminding can be performed before the actual fault of the vehicle occurs through the vehicle calibration reminding, and an owner is reminded to perform ADAS calibration in advance, so that the running safety of the vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below.
Fig. 1 is a schematic view of an application scenario corresponding to a vehicle calibration reminding method provided in an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating an implementation of a first vehicle calibration reminding method according to an embodiment of the present application;
FIG. 3 is a schematic flow chart illustrating an implementation of a second vehicle calibration reminding method according to an embodiment of the present application;
fig. 4 is a calibration schematic diagram corresponding to a front camera provided in an embodiment of the present application;
fig. 5 is a calibration schematic diagram corresponding to a panoramic camera provided in an embodiment of the present application;
FIG. 6 is a calibration diagram corresponding to a radar provided in an embodiment of the present application;
FIG. 7 is a schematic view of a vehicle calibration reminding device according to an embodiment of the present application;
fig. 8 is a schematic diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical means described in the present application, the following description will be given by way of specific examples.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In addition, in the description of the present application, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Typically, after a vehicle has been in use for a period of time or has suffered a collision, the modules in the vehicle ADAS have a larger error than when shipped from the factory. At this time, calibration of modules in the ADAS (referred to as ADAS calibration for short) is required to reduce errors and improve safety of vehicle driving. At present, the ADAS calibration of a vehicle is usually performed after the vehicle has a fault, and this latter ADAS calibration method may bring a certain safety hazard to the driving of the vehicle.
In order to solve the above technical problem, the present application provides a vehicle calibration reminding method, apparatus, electronic device and storage medium, including: the method comprises the steps of actively acquiring a current deviation data value of a module, namely a target module, in the advanced driving assistance system of the vehicle, and carrying out vehicle calibration reminding when the current data value is determined to exceed a pre-stored safety deviation range. The pre-stored safety deviation range is a constraint range of a deviation data value determined according to the target vehicle speed of the vehicle in a preset period, namely the safety deviation range is a safety range matched with the actual running speed condition of the vehicle, so that according to the actively acquired current deviation data and the safety deviation range, when the current deviation data exceeds the safety deviation range, a certain safety risk caused by the deviation of a target module during the actual running of the vehicle can be judged, at the moment, the vehicle calibration reminding can be performed before the actual fault of the vehicle occurs through the vehicle calibration reminding, and an owner is reminded to perform ADAS calibration in advance, so that the running safety of the vehicle is improved.
Fig. 1 schematically illustrates an application scenario of a vehicle calibration reminding method provided in an embodiment of the present application, and includes a vehicle 11 and an on-board device (which may also be referred to as a smart identification module) 12. The On-Board device 12 can be connected to an On-Board Diagnostics (OBD) interface of the vehicle 11, and is configured to implement data communication with an Electronic Control Unit (ECU) of the vehicle 11, so as to obtain vehicle data of the vehicle 11, where the vehicle data at least includes a deviation data value of the ADAS module. The vehicle-mounted equipment 12 actively acquires a current deviation data value of the ADAS module, and compares the current deviation data value with a pre-stored safety deviation range; and when the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out.
The first embodiment is as follows:
fig. 2 shows a schematic flow diagram of a first vehicle-mounted calibration reminding method provided in an embodiment of the present application, where an execution main body of the vehicle-mounted calibration reminding method is a vehicle-mounted device, and details are as follows:
in S201, a current deviation data value of a target module is acquired, wherein the target module is a module in an advanced driving assistance system of a vehicle.
In the embodiment of the present application, the target module is a module in an advanced driving assistance system ADAS of a vehicle, and may include a camera (for example, a front camera, a left-view camera, a right-view camera, a rear camera, a 360-view camera), a night vision module, a radar, and the like in the ADAS.
Specifically, the present embodiment of the application may acquire, in real time or at preset time intervals, a current deviation data value of the target module, where the current deviation data value is a data value reflecting a deviation between a current position of the target module and an installation position of the target module when the vehicle leaves a factory. For example, when the target module is a camera, the current deviation data value may be an angular deviation value of the current position of the camera from the vehicle factory installation position, for example, 5 °. As a possible implementation manner, the on-board device may directly read the deviation data value of the current target module, i.e. the current deviation data value, from the ECU of the vehicle. As another possible implementation manner, the vehicle-mounted device may read current position data of the target module from an ECU of the vehicle, then calculate a deviation value between the current position data and standard installation position data of the target module when the vehicle leaves the factory, and use the calculated deviation value as a current deviation data value of the target module.
In S202, if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period.
In the embodiment of the application, the safety deviation range is a constraint range of deviation data values determined in advance according to the target vehicle speed of the vehicle in a preset period. Generally, when the vehicle is running, the higher the vehicle speed is, the higher the requirement for the safety of the vehicle is, and the higher the requirement for the detection accuracy of the target module is, the smaller the constraint range of the deviation data value corresponding to the allowable deviation is, that is, the smaller the safety deviation range is. That is, the safety deviation range is a constraint range that is in a negative correlation with the magnitude of the target vehicle speed of the vehicle in a preset period and is used for ensuring the driving safety of the vehicle at the vehicle speed.
And after the current deviation data value of the target module is obtained, comparing the current deviation data value with the safety deviation range. If the current deviation data value exceeds the safety deviation range, namely falls outside the safety deviation range, judging that the current vehicle has certain potential safety hazard due to the deviation of the target module, and performing vehicle calibration reminding at the moment. Conversely, if the current deviation data value is within the safe deviation range, the current safety factor of the vehicle is considered to be higher, and ADAS calibration is not needed, so that vehicle calibration reminding is not needed.
Specifically, the vehicle-mounted equipment can remind a vehicle owner of ADAS calibration by sending out voice prompt and text prompt, sending out alarm sound or lighting up an indicator lamp or sending out a reminding message to the terminal equipment of the vehicle owner, so that the vehicle calibration is reminded. Specifically, when the vehicle calibration is reminded, the name of the target module which needs to be calibrated currently and the current deviation data value of the target module can be broadcasted or displayed. Furthermore, a calibration suggestion can be broadcasted or displayed, so that an owner can timely and accurately perform ADAS calibration according to the calibration suggestion.
In the embodiment of the application, the pre-stored safety deviation range is a constraint range of a deviation data value determined according to the vehicle speed of the vehicle in a preset period, namely the safety deviation range is a safety range matched with the actual running speed condition of the vehicle, so that according to the actively acquired current deviation data and the safety deviation range, when the current deviation data exceeds the safety deviation range, a certain safety risk can be determined to exist due to the deviation of a target module when the vehicle actually runs, at the moment, the vehicle calibration reminding can be performed before the vehicle actually fails, a vehicle owner is reminded to perform ADAS calibration in advance, and the running safety of the vehicle is improved.
Example two:
fig. 3 shows a schematic flow chart of a second vehicle-mounted calibration reminding method provided in the embodiment of the present application, where the method in this embodiment is further improved on the basis of the method described in the first embodiment, and details are not repeated for the same points as in the first embodiment. The vehicle calibration reminding method shown in fig. 3 is detailed as follows:
in S301, a mapping relationship between the target vehicle speed and the safety deviation range is established.
In the embodiment of the application, before the current deviation data of the target module is acquired, the mapping relation between the speed of the target vehicle and the safety deviation range can be established in advance, so that the safety deviation range corresponding to the vehicle can be rapidly determined according to the mapping relation in the subsequent use process of the vehicle.
In one embodiment, the mapping relationship between the target vehicle speed and the safety deviation range may be established by obtaining each vehicle speed and the corresponding safety deviation range manually input by a professional. In another embodiment, deviation data values of corresponding vehicle speeds and target modules when a large number of vehicles have accidents can be collected, and the corresponding relation between the target vehicle speed and the corresponding safety deviation range can be determined through big data statistics.
Specifically, after the corresponding relationship between each target vehicle speed and the safety deviation range is determined by the method, the target vehicle speed and the safety deviation range thereof can be mapped and stored in the data table, so that the mapping relationship between the target vehicle speed and the safety deviation range is established. Alternatively, a relational expression with the target vehicle speed as an independent variable and the boundary absolute value of the safety deviation range (for example, the safety deviation range-6 to 6, and the corresponding boundary absolute value of 6) as a dependent variable may be obtained by fitting according to each target vehicle speed and the corresponding safety deviation range, and the relational expression may be used as the mapping relation between the target vehicle speed and the safety deviation range, so that the corresponding safety deviation range may be obtained according to the vehicle speed and the relational expression after the vehicle speed within the preset period is determined.
In some embodiments, the target module may include a plurality of modules in the ADAS system, each having a pre-stored mapping of the target vehicle speed to the safety deviation range of the respective target module.
In S302, a current deviation data value of a target module is obtained, wherein the target module is a module in an advanced driving assistance system of a vehicle.
In S303, a current safety deviation range is determined according to a target vehicle speed of the vehicle in a preset period and the mapping relationship.
In the embodiment of the present application, the safety deviation range is specifically determined according to the target vehicle speed of the vehicle in the preset period and the mapping relationship established in step S301. Specifically, the target vehicle speed of the vehicle currently in the preset period may be determined, and then the mapping table of step S301 may be queried according to the target vehicle speed, or the target vehicle speed may be substituted into the relational expression for representing the mapping relationship established in step S301, so as to determine the safety deviation range matching the target vehicle speed as the current safety deviation range.
In S304, if the current deviation data value exceeds the safety deviation range, a vehicle calibration prompt is performed.
After the current safety deviation range is determined, the current deviation data may be compared to the safety deviation range. And when the comparison result is that the current deviation data value exceeds the safe deviation range, vehicle calibration reminding is carried out.
In the embodiment of the application, the mapping relation between the vehicle speed and the safety deviation range is accurately established, so that the safety deviation range corresponding to the vehicle speed can be efficiently and accurately determined according to the mapping relation after the vehicle speed of the vehicle in the preset period is determined, and the efficiency and the accuracy of the vehicle calibration reminding method are improved.
Optionally, the target vehicle speed in the embodiment of the present application includes an average vehicle speed or a maximum vehicle speed of the vehicle in a preset period.
In the embodiment of the application, the preset period can be one week, one month and the like, and can be specifically set in advance according to actual requirements.
In one embodiment, the speed data of the vehicle may be acquired in real time within a preset period, an average value of the vehicle speed within the preset period may be counted according to the speed data acquired in real time, an average vehicle speed within the preset period may be determined, and the average vehicle speed may be used as the target vehicle speed. Or, the accumulated traveled distance of the vehicle in the preset period (the unit may be kilometers) may be counted, and then, the accumulated traveled distance is divided by the accumulated traveled time to obtain an average vehicle speed in the preset period, and the average vehicle speed is used as the target vehicle speed. The average vehicle speed of the vehicle in the preset period can accurately represent the running speed condition of the vehicle in the preset period, so that the accuracy of the determined safety deviation range can be ensured by taking the average vehicle speed as the target vehicle speed for determining the safety deviation range, and the accuracy of vehicle calibration reminding is improved.
In another embodiment, the speed data of the vehicle may be acquired in real time within a preset period, the maximum value of the vehicle speed within the preset period may be counted according to the speed data acquired in real time, the highest vehicle speed within the preset period may be determined, and the highest vehicle speed may be used as the target vehicle speed. Because the higher the vehicle speed is, the more strict requirements on the safety deviation range are usually made, and therefore, the more strict safety deviation range can be determined by specifically using the highest vehicle speed in the preset period as the target vehicle speed, so that the subsequent vehicle calibration reminding based on the safety deviation range can ensure the driving safety of the vehicle to the maximum extent.
Optionally, before the vehicle calibration is prompted if the current deviation data value exceeds a pre-stored safety deviation range, the method further includes:
acquiring a vehicle identification number of the vehicle;
and determining a safety deviation range corresponding to the target module according to the vehicle identification number and the target vehicle speed.
In the embodiment of the application, the vehicle-mounted device can be flexibly applied to different vehicles, and for different vehicles, the ADAS systems corresponding to the different vehicles may have differences, so that for different vehicles, the safety deviation ranges corresponding to the target modules of the different vehicles may be different. Therefore, in the embodiment of the application, on the basis of determining the target Vehicle speed, the safety deviation range corresponding to the target module is further determined by combining the Vehicle Identification Number (VIN).
Specifically, before the safety deviation range is determined, a vehicle identification number reading instruction is sent to the ECU of the vehicle, and the vehicle identification number (also referred to as a vehicle frame number) of the vehicle is acquired.
And then, according to the vehicle identification number and the target vehicle speed, inquiring a preset mapping relation and determining a corresponding safety deviation range of a target module of the vehicle. As a possible implementation manner, in the preset mapping relationship, for each vehicle identification code, each safety deviation range corresponding to each different target vehicle speed is specifically stored in advance, that is, for the same vehicle identification code, a plurality of safety deviation ranges corresponding to a plurality of target vehicle speeds are stored. After the current vehicle identification number and the target vehicle speed are determined, the safety deviation range stored corresponding to the target vehicle speed can be directly and quickly acquired.
In one embodiment, the preset mapping relationship may be directly a mapping relationship between a vehicle identification number, a target vehicle speed, and a safety deviation range. In another embodiment, the preset mapping relationship is a mapping relationship among a vehicle type, a target vehicle speed and a safety deviation range; in this embodiment, after the vehicle identification number is obtained, the vehicle identification number is first analyzed to determine the current vehicle type, and then the corresponding safety deviation range is determined according to the vehicle type, the target vehicle speed and the preset mapping relationship.
In the embodiment of the application, the safety deviation range corresponding to the current target module is determined by further combining the vehicle identification number besides the vehicle speed, so that the vehicle-mounted equipment can be flexibly applicable to the current vehicle, the safety deviation range of the vehicle is accurately determined, and the accuracy of the vehicle calibration reminding method is improved.
Optionally, the determining a safety deviation range corresponding to a target module according to the vehicle identification number and the vehicle speed includes:
determining a preset deviation range corresponding to a target module according to the vehicle identification number;
if the vehicle speed is less than or equal to a preset speed threshold value, taking the preset deviation range as a safety deviation range corresponding to the target module; otherwise, determining a sub-range of the preset deviation range as a safety deviation range corresponding to the target module.
Unlike the above-mentioned implementation manner in which multiple safety deviation ranges corresponding to multiple target vehicle speeds are stored for the same vehicle identification code, in the embodiment of the present application, only a unique preset deviation range of a target module is stored for each vehicle identification number. The preset deviation range is preset in advance, and the safety range of the deviation data value is allowed when the vehicle corresponding to the vehicle identification number runs at a non-high safe running speed (specifically, a speed smaller than a preset speed threshold value). That is, for each vehicle corresponding to the vehicle identification code, the embodiment of the present application stores a safety deviation range when the vehicle speed is less than the preset threshold value.
Optionally, the preset deviation range is a data range smaller than the critical deviation range determined according to the critical deviation range of the target module. The critical deviation range is a critical range within which the target module set by the vehicle manufacturer is just not detected to have a fault, that is, when the deviation data value of the target module exceeds the critical deviation range, the vehicle detects a fault code corresponding to the target module. The preset deviation range is set within the critical deviation range, so that the vehicle owner can be accurately reminded to calibrate the ADAS in advance subsequently.
After the vehicle identification number is obtained, the preset deviation range corresponding to the target module can be determined according to the vehicle identification number and the mapping relation.
And then, after the vehicle speed of the vehicle in a preset period is determined, determining a safety deviation range corresponding to a target module of the vehicle according to the relation between the vehicle speed and a preset speed threshold value. Specifically, when the vehicle speed is less than the preset speed threshold, the preset deviation range is directly used as the current safety deviation range. Specifically, when the vehicle speed is greater than or equal to the preset speed threshold, the sub-range of the preset deviation range is used as the safety deviation range corresponding to the current target module. For example, if the preset speed threshold is 100 km/h and the preset deviation range is "-6 to 6 °, when the speed of the vehicle is greater than or equal to 100 km/h in the preset period, the sub-range" -3 to 3 ° of the preset deviation range may be used as the current safety deviation range of the target module of the vehicle.
In the embodiment of the application, only one preset deviation range is stored for the same vehicle identification number, and after the vehicle speed is determined, the corresponding safety deviation range can be determined according to the comparison result of the vehicle speed and the preset speed threshold. As only one preset deviation range is required to be stored, different safety deviation ranges are not required to be respectively and correspondingly stored in advance for different vehicle speeds, the data storage capacity can be reduced, and the storage space is saved.
Optionally, the step S202 specifically includes:
and if the current deviation data value exceeds the safety deviation range, carrying out vehicle calibration reminding of a corresponding grade according to the difference value of the current deviation data value and the boundary value of the safety deviation range.
In the embodiment of the application, a plurality of calibration reminding modes with different levels are set in advance according to different difference values. Specifically, the larger the difference is, the higher the corresponding calibration alert level is, and the greater the alert intensity of the vehicle calibration alert is. For example, when the difference is smaller than or equal to the preset difference, the vehicle owner may be prompted to perform vehicle calibration in a voice prompt mode with a first voice volume and a first prompting frequency; and when the difference is larger than the preset difference, the vehicle calibration reminding can be carried out through the voice prompt of a second voice volume and a second reminding frequency, wherein the second voice volume is higher than the first voice volume, and the second reminding frequency is higher than the second reminding frequency. Or when the difference is larger than the preset difference, besides the voice prompt mode, a plurality of modes such as indicator light lightening and character prompting are superposed, and the vehicle calibration reminding intensity is enhanced. Specifically, for the vehicle calibration prompt corresponding to each grade, the current difference value and the vehicle calibration suggestion corresponding to the current grade are displayed.
Specifically, after the current deviation data value is determined to exceed the safety deviation range, vehicle calibration reminding of a corresponding level is determined according to the difference value of the current deviation data value and the boundary value of the safety deviation range, and vehicle calibration reminding of a corresponding intensity is carried out.
In the embodiment of the application, the vehicle calibration reminding of the corresponding grade can be carried out according to the difference value of the current deviation data value and the boundary value of the safety deviation range, so that the vehicle calibration reminding can be carried out more flexibly and accurately, and the reminding effect is improved.
Optionally, after step S202 or step S304, the method further includes:
and displaying calibration prompt information corresponding to the target module.
In the embodiment of the application, after the vehicle calibration reminding is carried out, the calibration prompt information corresponding to the target module can be displayed according to the indication of the vehicle owner. The calibration hint information may include calibration steps and/or calibration schematics for the target module.
For example, if the target module currently needing calibration is a front camera in the ADAS, the calibration prompt message may include the following calibration steps:
(1) Placing a calibration target corresponding to the front camera at a position 1500 mm in front of the vehicle head, and adjusting the height of the target to 1700 mm;
(2) Placing laser receiving plates on a left front wheel and a right front wheel of a vehicle;
(3) Opening laser of the calibration target, and determining deviation influence of wheel deviation on a front camera according to scale values on laser receiving plates on the left front wheel and the right front wheel; for example, if the difference between the scale value of the laser beam received by the laser receiving plate of the left front wheel and the scale value of the laser beam received by the laser receiving plate of the right front wheel is 6 mm, it is correspondingly determined that the front camera has an angular deviation of at least 6 °.
(4) Four-wheel positioning is carried out on the vehicle, so that scale values of positions of the laser receiving plates on the left front wheel and the right front wheel, which respectively receive the laser, are consistent;
(5) After four-wheel positioning, the front camera is adjusted, so that the center of the picture of the front camera is consistent with the center of the calibration picture of the calibration target, and calibration of the front camera is completed.
For example, a calibration schematic diagram corresponding to the front camera is shown in fig. 4; l =5000mm (millimeters) indicates that the target is placed 1500 millimeters directly in front of the vehicle head, and H =1700mm indicates that the target height is adjusted to 1700 millimeters.
For example, fig. 5 also shows a calibration diagram corresponding to the panoramic camera, where (2) the distance between the central axis of the vehicle and the targets on both sides is calibrated, (3) the distance between the target and the front wheel of the vehicle is calibrated, (4) the distance between the two targets on both sides is calibrated, and (5) the distance between the target and the rear wheel of the vehicle is calibrated.
Exemplarily, fig. 6 also shows a calibration diagram corresponding to the radar. For example, the target may be set at L =5000mm (millimeters) in front of the vehicle and at a height of H =710mm (millimeters) according to the radar mounting position of the current vehicle.
Illustratively, the present application describes a vehicle calibration reminding method flow of the embodiment of the present application, taking a specific application scenario in which a target module is specifically a front-facing camera as an example:
(1) The in-vehicle device is connected to an OBD interface of the vehicle, and can read a vehicle identification number "1G6K5C3GFHB888888" of the vehicle.
(2) And determining that the preset deviation range corresponding to the front camera corresponding to the current vehicle is-6 degrees by analyzing the vehicle identification number.
(3) If the speed per hour of the vehicle in one month is determined to be less than 60 kilometers on average according to vehicle running data collected by the vehicle-mounted equipment and taking one month as a preset period, namely the vehicle speed of the vehicle in the preset period is less than a preset speed threshold: the speed per hour is 100 kilometers, so the preset deviation range can be directly: -6 ° to 6 ° as the current safety deviation range of the vehicle. If the vehicle-mounted equipment acquires the current deviation data value of the front camera by 5 degrees, the current safety coefficient of the vehicle is relatively high because the current deviation data value does not exceed the current safety deviation range, ADAS calibration is not needed, and vehicle calibration reminding is not needed.
(4) And if the average speed per hour collected by the vehicle-mounted equipment within one month exceeds 100 kilometers, namely exceeds a preset speed threshold, determining a sub-range of-3 degrees to 3 degrees smaller than the preset deviation range as a current safety deviation range. If the vehicle-mounted equipment acquires the current deviation data value of the front camera by 5 degrees, the current deviation data value exceeds the current safety deviation range, so that the situation that a certain potential safety hazard exists in the current vehicle and the ADAS calibration needs to be carried out in time is indicated, and therefore, the vehicle calibration is reminded in the modes of voice, characters, alarm and the like, a customer is informed in advance to calibrate the front camera, and the driving safety of the vehicle is improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Example three:
fig. 7 shows a schematic structural diagram of a vehicle calibration reminding device provided in the embodiment of the present application, and for convenience of description, only the parts related to the embodiment of the present application are shown:
this vehicle calibration reminding device includes: deviation data value acquisition section 71, and reminder section 72. Wherein:
a deviation data value obtaining unit 71, configured to obtain a current deviation data value of a target module, where the target module is a module in an advanced driving assistance system of a vehicle.
A reminding unit 72, configured to perform vehicle calibration reminding if the current deviation data value exceeds a pre-stored safety deviation range; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period.
Optionally, the target vehicle speed comprises an average vehicle speed or a maximum vehicle speed of the vehicle over a preset period.
Optionally, the vehicle calibration reminding device further includes:
the mapping relation establishing unit is used for establishing a mapping relation between the speed of the target vehicle and the safety deviation range;
correspondingly, the reminding unit 72 is specifically configured to determine a current safety deviation range according to the target vehicle speed of the vehicle in a preset period and the mapping relationship; and if the current deviation data value exceeds the safe deviation range, vehicle calibration reminding is carried out.
Optionally, the vehicle calibration reminding device further includes:
a vehicle identification number acquisition unit for acquiring a vehicle identification number of the vehicle;
correspondingly, the safety deviation range determining unit is specifically configured to determine a safety deviation range corresponding to the target module according to the vehicle identification number and the target vehicle speed.
Optionally, the safety deviation range determining unit is specifically configured to determine a preset deviation range corresponding to the target module according to the vehicle identification number; if the target vehicle speed is less than or equal to a preset speed threshold, taking the preset deviation range as a safety deviation range corresponding to the target module; otherwise, determining a sub-range of the preset deviation range as a safety deviation range corresponding to the target module.
Optionally, the reminding unit 72 is specifically configured to perform vehicle calibration reminding of a corresponding level according to a difference between the current deviation data value and a boundary value of the safety deviation range if the current deviation data value exceeds the safety deviation range.
Optionally, the vehicle calibration reminding device further includes:
and the calibration indicating unit is used for displaying calibration indicating information corresponding to the target module.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Example four:
fig. 8 is a schematic diagram of an electronic device provided in an embodiment of the present application. As shown in fig. 8, the electronic apparatus 8 of this embodiment includes: a processor 80, a memory 81 and a computer program 82, such as a vehicle calibration reminder program, stored in said memory 81 and executable on said processor 80. The processor 80, when executing the computer program 82, implements the steps in the above-described embodiments of the vehicle calibration reminding method, such as the steps S201 to S202 shown in fig. 2. Alternatively, the processor 80 executes the computer program 82 to implement the functions of the modules/units in the above-mentioned device embodiments, such as the functions of the deviation data value acquiring unit 71 to the reminding unit 72 shown in fig. 7.
Illustratively, the computer program 82 may be partitioned into one or more modules/units, which are stored in the memory 81 and executed by the processor 80 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program 82 in the electronic device 8.
The electronic device 8 may be a vehicle-mounted device, a desktop computer, a notebook, a palm computer, or other computing devices. The electronic device may include, but is not limited to, a processor 80, a memory 81. Those skilled in the art will appreciate that fig. 8 is merely an example of an electronic device 8, and does not constitute a limitation of the electronic device 8, and may include more or fewer components than shown, or some of the components may be combined, or different components, e.g., the electronic device may also include input-output devices, network access devices, buses, etc.
The Processor 80 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 81 may be an internal storage unit of the electronic device 8, such as a hard disk or a memory of the electronic device 8. The memory 81 may also be an external storage device of the electronic device 8, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the electronic device 8. Further, the memory 81 may also include both an internal storage unit and an external storage device of the electronic device 8. The memory 81 is used for storing the computer program and other programs and data required by the electronic device. The memory 81 may also be used to temporarily store data that has been output or is to be output.
It should be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional units and modules is only used for illustration, and in practical applications, the above function distribution may be performed by different functional units and modules as needed, that is, the internal structure of the apparatus may be divided into different functional units or modules to perform all or part of the above described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/electronic device and method may be implemented in other ways. For example, the above-described apparatus/electronic device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A vehicle calibration reminding method, comprising:
acquiring a current deviation data value of a target module, wherein the target module is a module in an advanced driving assistance system of a vehicle; the current deviation data value is a data value reflecting the deviation of the current position of the target module and the angle of the installation position of the target module when the vehicle leaves a factory;
if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period; the safety deviation range and the target vehicle speed form a negative correlation relationship and are used for ensuring the running safety of the vehicle at the target vehicle speed; the vehicle calibration prompt is used for prompting a vehicle owner to calibrate the installation position of the target module.
2. The vehicle calibration reminding method as claimed in claim 1, wherein the target vehicle speed comprises an average vehicle speed or a maximum vehicle speed of the vehicle within a preset period.
3. The vehicle calibration alert method according to claim 1 further comprising, prior to said obtaining a current deviation data value for a target module:
establishing a mapping relation between the speed of the target vehicle and a safety deviation range;
correspondingly, if the current deviation data value exceeds a pre-stored safety deviation range, vehicle calibration reminding is carried out, and the method comprises the following steps:
determining a current safety deviation range according to the target vehicle speed of the vehicle in a preset period and the mapping relation;
and if the current deviation data value exceeds the safe deviation range, vehicle calibration reminding is carried out.
4. The vehicle calibration reminding method according to claim 1, wherein before the vehicle calibration reminding if the current deviation data value exceeds a pre-stored safety deviation range, the method further comprises:
acquiring a vehicle identification number of the vehicle;
and determining a safety deviation range corresponding to the target module according to the vehicle identification number and the target vehicle speed.
5. The vehicle calibration reminding method as claimed in claim 4, wherein said determining a safety deviation range corresponding to a target module according to said vehicle identification number and said target vehicle speed comprises:
determining a preset deviation range corresponding to a target module according to the vehicle identification number;
if the target vehicle speed is less than or equal to a preset speed threshold, taking the preset deviation range as a safety deviation range corresponding to the target module; otherwise, determining a sub-range of the preset deviation range as a safety deviation range corresponding to the target module.
6. The vehicle calibration reminding method according to claim 1, wherein if the current deviation data value exceeds a pre-stored safety deviation range, the vehicle calibration reminding comprises:
and if the current deviation data value exceeds the safety deviation range, carrying out vehicle calibration reminding of a corresponding grade according to the difference value of the current deviation data value and the boundary value of the safety deviation range.
7. The vehicle calibration reminding method according to any one of claims 1 to 6, wherein after the vehicle calibration reminding is performed if the current deviation data value exceeds a pre-stored safety deviation range, the method further comprises:
and displaying the calibration indication information corresponding to the target module.
8. A vehicle calibration reminder device, comprising:
a deviation data value acquisition unit for acquiring a current deviation data value of a target module, wherein the target module is a module in an advanced driving assistance system of a vehicle; the current deviation data value is a data value reflecting the deviation of the current position of the target module and the angle of the installation position of the target module when the vehicle leaves the factory;
the reminding unit is used for carrying out vehicle calibration reminding if the current deviation data value exceeds a pre-stored safety deviation range; wherein the safety deviation range is: a constraint range of deviation data values determined according to a target vehicle speed of the vehicle within a preset period; the safety deviation range and the target vehicle speed form a negative correlation relationship and are used for ensuring the running safety of the vehicle at the target vehicle speed; the vehicle calibration prompt is used for prompting a vehicle owner to calibrate the installation position of the target module.
9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the computer program, when executed by the processor, causes the electronic device to carry out the steps of the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, causes an electronic device to carry out the steps of the method according to any one of claims 1 to 7.
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| DE102011115668A1 (en) * | 2011-09-28 | 2013-03-28 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Method for determining a speed of a vehicle and vehicle |
| US20180173229A1 (en) * | 2016-12-15 | 2018-06-21 | Dura Operating, Llc | Method and system for performing advanced driver assistance system functions using beyond line-of-sight situational awareness |
| JP6669199B2 (en) * | 2017-07-18 | 2020-03-18 | 株式会社Ｓｏｋｅｎ | Sensor calibration device and sensor calibration program |
| US10864910B2 (en) * | 2018-05-16 | 2020-12-15 | GM Global Technology Operations LLC | Automated driving systems and control logic using sensor fusion for intelligent vehicle control |
| WO2020010489A1 (en) * | 2018-07-09 | 2020-01-16 | Baidu.Com Times Technology (Beijing) Co., Ltd. | A speed control command auto-calibration system for autonomous vehicles |
| CN109446371A (en) * | 2018-11-09 | 2019-03-08 | 苏州清研精准汽车科技有限公司 | A kind of intelligent automobile emulation testing scene library generating method and test macro and method |
| EP4026049A4 (en) * | 2019-09-05 | 2022-11-02 | Netradyne, Inc. | Vehicular sensor system calibration |
| CN110823596B (en) * | 2019-11-06 | 2022-03-08 | 北京地平线机器人技术研发有限公司 | Test method and device, electronic equipment and computer readable storage medium |
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