CN114325621A - ACC radar system remote calibration method and device and computer equipment - Google Patents
ACC radar system remote calibration method and device and computer equipment Download PDFInfo
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- CN114325621A CN114325621A CN202210021327.1A CN202210021327A CN114325621A CN 114325621 A CN114325621 A CN 114325621A CN 202210021327 A CN202210021327 A CN 202210021327A CN 114325621 A CN114325621 A CN 114325621A
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Abstract
The application relates to the technical field of ACC radar system calibration, and discloses a method, a device and a computer device for remote calibration of an ACC radar system, wherein a remote diagnosis device can judge whether a vehicle is in an ACC radar system fault or not by acquiring an ADAS fault code, and can send vehicle distance fixed point information to a user side according to calibration information required by the ACC radar system if the vehicle is in the ACC radar system fault, so that the remote diagnosis device can generate a calibration instruction corresponding to the ACC radar system and transmit the calibration instruction to the user side, and the user side calibrates the ACC radar system of the vehicle according to the calibration instruction; therefore, the operation cost of a repair shop can be reduced, the application of the remote diagnosis equipment is not limited to a certain area any more, but can be applied to any place where remote connection can be established, the operation process of calibrating the ACC radar system is more and more convenient, and the development of the maintenance industry is promoted.
Description
Technical Field
The application relates to the technical field of ACC radar system calibration, in particular to a method and a device for remote calibration of an ACC radar system and computer equipment.
Background
An acc (adaptive Cruise control) adaptive Cruise control system is an intelligent automatic control system, which is developed on the basis of the existing Cruise control technology. In the running process of a vehicle, a vehicle distance sensor (radar) installed at the front part of the vehicle continuously scans the road in front of the vehicle, and meanwhile, a wheel speed sensor collects a vehicle speed signal. When the distance between the vehicle and the front vehicle is too small, the ACC control unit can appropriately brake the wheels and reduce the output power of the engine through the coordination action of the anti-lock braking system and the engine control system, so that the vehicle and the front vehicle can always keep a safe distance.
Therefore, it is important to calibrate the ACC radar system, in the prior art, a professional maintenance person is usually required to use the ADAS calibration device to cooperate with the diagnosis device to calibrate the ACC radar system of the automobile, however, the models of the automobiles supported by different diagnosis devices are different, and the diagnosis device is expensive, and for a general repair shop, a small number of diagnosis devices with different functions, such as two or three diagnosis devices with different functions, are generally purchased to diagnose and repair all the automobiles, however, because the types of the automobiles are various and the ADAS calibration operation is complicated, there is a problem that the diagnosis device of the repair shop is not enough to support the ACC radar system calibration of various automobiles.
Disclosure of Invention
The application mainly aims to provide a remote calibration method for an ACC radar system, and aims to solve the technical problem that diagnosis equipment in the prior art is not enough to support calibration of ACC radar systems of various automobiles.
The application provides a remote calibration method of an ACC radar system, which is applied to remote diagnosis equipment and comprises the following steps:
receiving a remote connection request signal sent by a user side to establish remote communication connection with the user side, wherein the user side is in communication connection with a vehicle;
acquiring an ADAS fault code, and judging whether the vehicle is in an ACC radar system fault or not according to the ADAS fault code;
if the vehicle is in the ACC radar system fault, sending vehicle distance fixed point information to the user side;
receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and sending the calibration instruction to the user side so that the user side calibrates the ACC radar system of the vehicle according to the calibration instruction.
Preferably, before the step of sending the vehicle distance fixed point information to the user side, the method further includes:
acquiring the orientation angle of a vehicle tire;
judging whether the orientation angle of the vehicle tire meets a preset angle or not;
if the orientation angle of the vehicle tire accords with a preset angle, reading the offset angle of a vehicle distance control system;
and calculating a reset angle according to the maladjustment angle, and sending the reset angle to the user side, wherein the user side adjusts a vehicle distance control system of the vehicle according to the reset angle.
Preferably, the step of sending the vehicle distance fixed point information to the user side includes:
sending first fixed point information between the vehicle head center and the five-line laser instrument to the user side;
and sending second fixed point information between the vehicle tail center and the laser reflector to the user side, wherein the user side calculates the position information of the vehicle center line according to the first fixed point information and the second fixed point information, and controls the five-line laser instrument to start laser rays according to the position information of the vehicle center line, so that the laser rays irradiate on the center axis of the laser reflector.
Preferably, the step of receiving the vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating the calibration instruction corresponding to the ACC radar system according to the vehicle distance control information includes:
receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, wherein the vehicle distance control information comprises: first distance information between the center of the vehicle head and the five-line laser instrument, second distance information between the center of the vehicle tail and the laser reflecting plate and position information of a vehicle center line;
calculating a positioning point according to the first distance information and the vehicle center line position information, and sending the positioning point to the user side, wherein the user side controls the distance between the vehicle head and the ACC radar system calibration equipment according to the positioning point;
the method comprises the steps of obtaining the height of a radar sensor of a vehicle, and generating a first height calibration instruction according to the height of the radar sensor so that a laser ray point of the ACC radar system calibration equipment is shot at the center position of the radar sensor.
Preferably, the step of acquiring a height of a radar sensor of a vehicle and generating a first height calibration command according to the height of the radar sensor further includes:
acquiring first parameter information of the radar sensor;
judging whether the radar sensor carries a reflector or not according to the first parameter information;
if the radar sensor carries a reflector;
acquiring the height of a reflector;
and generating a second height calibration instruction according to the height of the reflector, so that the laser ray of the ACC radar system calibration equipment is shot on the reflector and is reflected back to the central position of the ACC radar system calibration equipment through the reflector.
Preferably, before the step of sending the calibration instruction to the user side, the method further includes:
acquiring second parameter information of an adjusting bolt, wherein one end of the adjusting bolt is installed on a radar sensor of the ACC radar system, and the other end of the adjusting bolt is movably connected with the vehicle;
and calculating the rotation direction and the number of rotations of the adjusting bolt according to the second parameter information, and transmitting the rotation direction and the number of rotations to the user side, wherein the user side adjusts the adjusting bolt according to the rotation direction and the number of rotations.
The present application further provides an ACC radar system remote calibration system, including: remote diagnosis equipment, a user side and a vehicle;
the remote diagnosis equipment is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with the vehicle;
the remote diagnosis equipment is also used for acquiring an ADAS fault code and judging whether the vehicle is in the ACC radar system fault according to the ADAS fault code;
the remote diagnosis equipment is also used for sending vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the remote diagnosis equipment is also used for receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
the remote diagnosis equipment is further used for sending the calibration instruction to the user side, so that the user side can calibrate an ACC radar system of the vehicle according to the calibration instruction.
The present application further provides an ACC radar system remote calibration apparatus, including:
the first receiving module is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with a vehicle;
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring an ADAS fault code and judging whether a vehicle is in an ACC radar system fault or not according to the ADAS fault code;
the first sending module is used for sending vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the second receiving module is used for receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and the second sending module is used for sending the calibration instruction to the user side so that the user side can calibrate the ACC radar system of the vehicle according to the calibration instruction.
The application also provides computer equipment, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the ACC radar system remote calibration method when executing the computer program.
The present application also provides a computer readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the above-mentioned ACC radar system remote calibration method.
The beneficial effect of this application does: by receiving the remote connection request signal sent by the user end, the remote connection can be established with the remote diagnosis equipment, and the remote diagnosis equipment can acquire the ADAS fault code, therefore, whether the vehicle is in the ACC radar system fault or not is judged, if the vehicle is in the ACC radar system fault, the vehicle distance fixed point information can be sent to the user end according to the calibration information required by the ACC radar system, therefore, the remote diagnosis equipment can know the distance information between the vehicle and the ACC thunder method calibration equipment, after the remote diagnosis equipment sends the fixed-point distance information to the user terminal, the user side feeds back the vehicle distance control information to the remote diagnosis equipment, the remote diagnosis equipment can generate a calibration instruction corresponding to the ACC thunderstorm system according to the vehicle distance control information, transmitting the calibration instruction to the user side, so that the user side calibrates the ACC radar system of the vehicle according to the calibration instruction; the user side is remotely connected with the remote diagnosis equipment, so that the ACC radar system of the vehicle can be remotely calibrated, the diagnosis equipment of various vehicle types does not need to be purchased, the operation cost of a repair shop can be reduced, the remote connection is established between the user side and the remote diagnosis equipment, the application of the remote diagnosis equipment is not limited in a certain area, but can be applied to any place where the remote connection can be established, the operation process of calibrating the ACC radar system is more and more convenient, and the development of the maintenance industry is promoted.
Drawings
Fig. 1 is a schematic flow chart of a remote calibration method for an ACC radar system according to an embodiment of the present application.
Fig. 2 is a real view diagram of remote calibration performed in the ACC radar system remote calibration method according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an ACC radar system remote calibration system according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an ACC radar system remote calibration apparatus according to an embodiment of the present application.
Fig. 5 is a schematic diagram of an internal structure of a computer device according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to 5, the present application provides a remote calibration method for an ACC radar system, which is applied to a remote diagnosis device, and includes:
s1, receiving a remote connection request signal sent by a user side to establish remote communication connection with the user side, wherein the user side is in communication connection with the vehicle;
s2, acquiring an ADAS fault code, and judging whether the vehicle is in the ACC radar system fault state or not according to the ADAS fault code;
s3, if the vehicle is an ACC radar system fault, sending vehicle distance fixed point information to the user side;
s4, receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and S5, sending the calibration instruction to the user side, so that the user side calibrates the ACC radar system of the vehicle according to the calibration instruction.
As described in the above steps S1-S5, the remote connection with the remote diagnosis device can be established by receiving the remote connection request signal sent by the user end, and before the remote connection is established, the user end can perform fault diagnosis on the ADAS system of the vehicle, and in addition, the user end can also send vehicle-mounted data to the remote diagnosis device, so that the remote diagnosis device performs remote fault diagnosis on the vehicle, thereby generating a fault code; specifically, the ADAS system generally includes an adaptive cruise system (ACC), an automatic emergency brake system (AEB), a Lane Keeping System (LKS), an automatic parking system, an intelligent headlamp control system (AFL), and the like, and if a certain system fails, a corresponding ADAS fault code is generated, so that the remote diagnosis device can determine whether the vehicle is an ACC radar system fault by obtaining the ADAS fault code, that is, determine whether the adaptive cruise system fails, where the ADAS fault code includes: a5 is used for a front camera of a driving assistance system, and the fault code is a fault of an LDW lane departure early warning system; 13, controlling the vehicle distance, wherein the fault codes are faults of an ACC radar system and a 6C reversing camera system, the fault codes are faults of an RCW/AVM (backward collision warning/panoramic image monitoring) system, the 3C lane changing auxiliary system is faults of a BSD (blind area monitoring) system, and when the fault codes are 13 vehicle distance control, the vehicle is judged to be the fault of the ACC radar system; if the vehicle has a fault of the ACC radar system, the distance fixed point information can be sent to the user terminal according to the calibration information required by the ACC radar system, so that the remote diagnosis device can know the distance information between the vehicle and the ACC radar calibration device, after the distance fixed point information is sent to the user terminal by the remote diagnosis device, a worker at the user terminal can manually measure or measure the distance information between the vehicle and the ACC radar calibration device by using a measuring tool, and the distance information is fed back to the remote diagnosis device as distance control information, the remote diagnosis device can generate a calibration instruction corresponding to the ACC radar system according to the distance control information and transmit the calibration instruction to the user terminal, so that the user terminal calibrates the ACC radar system of the vehicle according to the calibration instruction, and particularly, the remote diagnosis device can be a professional diagnosis device corresponding to the vehicle or a multifunctional general diagnosis device, the user side can be the diagnostic equipment that can carry out conventional detection and can carry out data transmission to the vehicle, through carrying out remote connection with remote diagnosis equipment with the user side like this to can carry out remote calibration to the ACC radar system of vehicle, and it need not purchase the diagnostic equipment of multiple motorcycle type, can reduce the operating cost of repair shop like this, and through establish remote connection between user side and remote diagnosis equipment, also make remote diagnosis equipment's application no longer confine to certain region, but can apply to any place that can establish remote connection, and then make the operating process of ACC radar system calibration more and more convenient, the development of maintenance trade has been promoted.
In an embodiment, before the step S3 of sending the vehicle distance fixed point information to the user terminal, the method further includes:
s301, acquiring the orientation angle of the vehicle tire;
s302, judging whether the orientation angle of the vehicle tire meets a preset angle or not;
s303, reading an offset angle of the vehicle distance control system if the orientation angle of the vehicle tire accords with a preset angle;
s304, calculating a reset angle according to the maladjustment angle, and sending the reset angle to the user side, wherein the user side adjusts a vehicle distance control system of the vehicle according to the reset angle.
As described in steps S301 to S304, before the step of sending the vehicle distance fixed point information to the user end, the user end may first obtain the orientation angle of the vehicle tire, specifically, the orientation angle of the front wheel of the vehicle, if the orientation angle is parallel to or perpendicular to the horizontal plane, it is determined that if the orientation angle is right ahead, it represents that the orientation angle corresponds to the preset angle, then the vehicle is determined not to be in an inclined state but in a justified state, and the ACC radar system calibration may be performed, at this time, the user end reads the misalignment angle of the vehicle distance control system, it should be noted that the vehicle distance control system is a subsystem of the ACC radar system, the vehicle distance control system is used to control the distance to the front vehicle to achieve the purpose of safe driving, therefore, when the vehicle is in the justified state, the current misalignment condition of the vehicle distance control system can be known by reading the misalignment angle of the vehicle distance control system, and calculating a reset angle according to the offset angle, and sending the reset angle to a user side, so that the remote diagnosis equipment can remotely adjust the vehicle distance control system, because the vehicle distance control system is used for controlling the distance between the vehicle and the front vehicle, and when the ACC radar system is adjusted, the ACC radar calibration equipment is positioned at the front end of the vehicle, therefore, in order to enable the vehicle distance control system to be capable of more accurately measuring and controlling the distance between the vehicle and the ACC radar calibration equipment, the adjustment is needed, so that the error generated during the subsequent ACC radar system calibration can be reduced, and the remote calibration precision of the ACC radar system is improved.
In one embodiment, the step S3 of sending the vehicle distance fixed point information to the user terminal includes:
s31, sending first positioning point information between the vehicle head center and the five-line laser instrument to the user side;
and S32, sending second fixed point information between the vehicle tail center and the laser reflection plate to the user side, wherein the user side calculates vehicle center line position information according to the first fixed point information and the second fixed point information, and controls the five-line laser instrument to start laser rays according to the vehicle center line position information, so that the laser rays irradiate on the center axis of the laser reflection plate.
As described in the above steps S31-S32, referring to fig. 2, the five-line laser and the laser reflector are auxiliary devices required for the alignment of the ACC radar system, before the ACC radar system is aligned, the five-line laser is first placed at the point a aligned with the center of the vehicle head according to the first fixed point information, and the laser reflector is placed at the point B aligned with the center of the vehicle tail according to the second fixed point information, so that the vehicle centerline position information can be calculated according to the point a between the vehicle head center and the five-line laser and the point B between the vehicle tail center and the laser reflector, referring to the line P in fig. 2, so that the centerline position information of the vehicle can be accurately determined, and the subsequent ACC radar calibration device can be conveniently placed at a relatively accurate position.
In one embodiment, the step S4 of receiving the vehicle distance control information fed back by the user end according to the vehicle distance fixed point information, and generating the calibration instruction corresponding to the ACC radar system according to the vehicle distance control information includes:
s41, receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, wherein the vehicle distance control information comprises: first distance information between the center of the vehicle head and the five-line laser instrument, second distance information between the center of the vehicle tail and the laser reflecting plate and position information of a vehicle center line;
s42, calculating a positioning point according to the first distance information and the vehicle center line position information, and sending the positioning point to the user side, wherein the user side controls the distance between the vehicle head and the ACC radar system calibration equipment according to the positioning point;
and S43, acquiring the height of a radar sensor of the vehicle, and generating a first height calibration instruction according to the height of the radar sensor so as to enable a laser ray point of the ACC radar system calibration equipment to be shot at the center position of the radar sensor.
As described in the above steps S41-S43, by receiving the first distance information, the second distance information, and the vehicle center line position information, the locating point (C point) can be calculated from the first distance information (a point) and the vehicle center line position information (P line), and specifically, in this embodiment, the distance L between the locating point on the vehicle center line and the first distance information (a point) is set to 1280mm, and the position information of the locating point is transmitted to the user terminal, so that the user terminal can place the ACC radar calibration device at a proper position, i.e., the locating point (C point), according to the locating point information, then obtain the radar sensor height of the vehicle, and transmit the radar sensor height to the remote diagnosis device, which then generates the first height calibration command according to the radar sensor height, and transmits the first height calibration command to the user terminal, so that, the user side can adjust the height of an installation plate (the installation plate can emit laser rays) in the ACC radar system calibration equipment according to the first height calibration instruction, so that the laser ray points of the installation plate are shot at the central position of the radar sensor, and after the laser ray points are confirmed to be shot at the central position of the radar sensor, the remote diagnosis equipment can start static calibration on the ACC radar system through the user side.
In one embodiment, the step S43 of obtaining a radar sensor height of the vehicle and generating a first height calibration command according to the radar sensor height includes:
s431, acquiring first parameter information of the radar sensor;
s432, judging whether the radar sensor carries a reflector or not according to the first parameter information;
s433, if the radar sensor carries a reflector, acquiring the height of the reflector;
and S434, generating a second height calibration instruction according to the height of the reflector, so that the laser ray of the ACC radar system calibration equipment is shot on the reflector and is reflected back to the central position of the ACC radar system calibration equipment through the reflector.
As described in the above steps S431 to S434, since the radar sensor of each vehicle is different due to different models, and since the ACC radar system is calibrated by using laser, the radar sensor with mirror controls the distance according to the cooperation of the mirror and the radar sensor when operating, when the radar sensor is calibrated, if the laser beam is shot at the center of the radar sensor, only the radar sensor is calibrated, and the mirror is not calibrated, which affects the operating state of the radar sensor with mirror, therefore, when the radar sensor has mirror, the second height calibration command can be generated according to the height of the mirror, so that the laser beam of the ACC radar system calibration device is shot at the mirror and reflected back to the center of the ACC radar system calibration device by the mirror, this facilitates remote calibration of the mirror by the remote diagnostic device.
In an embodiment, before the step S5 of sending the calibration instruction to the user end, the method further includes:
s51, acquiring second parameter information of an adjusting bolt, wherein one end of the adjusting bolt is installed on a radar sensor of the ACC radar system, and the other end of the adjusting bolt is movably connected with the vehicle;
s52, calculating the rotation direction and the number of rotation turns of the adjusting bolt according to the second parameter information, and transmitting the rotation direction and the number of rotation turns to the user side, wherein the user side adjusts the adjusting bolt according to the rotation direction and the number of rotation turns.
As described in the above steps S51-S52, the adjusting bolt includes the first adjusting bolt and the second adjusting bolt, and since the first adjusting bolt and the second adjusting bolt are movably mounted on the radar sensor, the radar sensor can be accurately calibrated by adjusting the rotation direction and the number of rotations of the first adjusting bolt and the second adjusting bolt, specifically, for the audi a8 vehicle model, the rotation direction of the first adjusting bolt can be adjusted to rotate rightwards, the number of rotations is 0.5, and the rotation direction of the second adjusting bolt is adjusted to rotate leftwards, and the number of rotations is 1.0.
The present application further provides an ACC radar system remote calibration system, including: remote diagnosis equipment, a user side and a vehicle;
the remote diagnosis equipment is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with the vehicle;
the remote diagnosis equipment is also used for acquiring an ADAS fault code and judging whether the vehicle is in the ACC radar system fault according to the ADAS fault code;
the remote diagnosis equipment is also used for sending vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the remote diagnosis equipment is also used for receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
the remote diagnosis equipment is further used for sending the calibration instruction to the user side, so that the user side can calibrate an ACC radar system of the vehicle according to the calibration instruction.
The present application further provides an ACC radar system remote calibration apparatus, including:
the first receiving module 1 is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with a vehicle;
the first acquisition module 2 is used for acquiring an ADAS fault code and judging whether the vehicle is in the ACC radar system fault according to the ADAS fault code;
the first sending module 3 is used for sending the vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the second receiving module 4 is configured to receive vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, and generate a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and the second sending module 5 is configured to send the calibration instruction to the user side, so that the user side calibrates the ACC radar system of the vehicle according to the calibration instruction.
In one embodiment, the ACC radar system remote calibration apparatus further comprises:
the second acquisition module is used for acquiring the orientation angle of the vehicle tire;
the judging module is used for judging whether the orientation angle of the vehicle tire meets a preset angle or not;
the reading module is used for reading the maladjustment angle of the vehicle distance control system if the orientation angle of the vehicle tire accords with a preset angle;
and the adjusting module is used for calculating a reset angle according to the maladjustment angle and sending the reset angle to the user side, wherein the user side adjusts the vehicle distance control system of the vehicle according to the reset angle.
In one embodiment, the first sending module 3 includes:
the first sending unit is used for sending first fixed point information between the vehicle head center and the five-line laser instrument to the user side;
and the second sending unit is used for sending second fixed point information between the vehicle tail center and the laser reflector to the user side, wherein the user side calculates the position information of the vehicle center line according to the first fixed point information and the second fixed point information, and controls the five-line laser instrument to start laser rays according to the position information of the vehicle center line so as to enable the laser rays to irradiate on the center axis of the laser reflector.
In one embodiment, the second receiving module 4 includes:
a first receiving unit, configured to receive vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, where the vehicle distance control information includes: first distance information between the center of the vehicle head and the five-line laser instrument, second distance information between the center of the vehicle tail and the laser reflecting plate and position information of a vehicle center line;
the first calculation unit is used for calculating positioning points according to the first distance information and the vehicle center line position information and sending the positioning points to the user side, wherein the user side controls the distance between the vehicle head and the ACC radar system calibration equipment according to the positioning points;
the device comprises a first acquisition unit, a second acquisition unit and a control unit, wherein the first acquisition unit is used for acquiring the height of a radar sensor of a vehicle and generating a first height calibration instruction according to the height of the radar sensor so as to enable a laser ray point of the ACC radar system calibration equipment to be shot at the center position of the radar sensor.
In one embodiment, the first obtaining unit includes:
the first acquisition subunit is used for acquiring first parameter information of the radar sensor;
the judging subunit is used for judging whether the radar sensor carries a reflector or not according to the first parameter information;
the second obtaining subunit is used for obtaining the height of the reflector if the radar sensor carries the reflector;
and the generating subunit is used for generating a second height calibration instruction according to the height of the reflecting mirror, so that the laser ray of the ACC radar system calibration equipment is shot on the reflecting mirror and is reflected back to the central position of the ACC radar system calibration equipment through the reflecting mirror.
In one embodiment, the ACC radar system remote calibration apparatus further comprises:
the third acquisition module is used for acquiring second parameter information of the adjusting bolt, wherein one end of the adjusting bolt is installed on a radar sensor of the ACC radar system, and the other end of the adjusting bolt is movably connected with the vehicle;
and the calculation module is used for calculating the rotation direction and the number of rotation turns of the adjusting bolt according to the second parameter information and transmitting the rotation direction and the number of rotation turns to the user side, wherein the user side adjusts the adjusting bolt according to the rotation direction and the number of rotation turns.
As shown in fig. 5, the present application also provides a computer device, which may be a server, and the internal structure of which may be as shown in fig. 5. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer designed processor is used to provide computational and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store all the data required by the process of the ACC radar system remote calibration method. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement the ACC radar system remote calibration method.
Those skilled in the art will appreciate that the architecture shown in fig. 5 is only a block diagram of some of the structures associated with the present solution and is not intended to limit the scope of the present solution as applied to computer devices.
An embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements any one of the above methods for remote calibration of an ACC radar system.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware associated with instructions of a computer program, which may be stored on a non-volatile computer-readable storage medium, and when executed, may include processes of the above embodiments of the methods. Any reference to memory, storage, database, or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (SSRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A remote calibration method of an ACC radar system is applied to remote diagnosis equipment and is characterized by comprising the following steps:
receiving a remote connection request signal sent by a user side to establish remote communication connection with the user side, wherein the user side is in communication connection with a vehicle;
acquiring an ADAS fault code, and judging whether the vehicle is in an ACC radar system fault or not according to the ADAS fault code;
if the vehicle is in the ACC radar system fault, sending vehicle distance fixed point information to the user side;
receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and sending the calibration instruction to the user side so that the user side calibrates the ACC radar system of the vehicle according to the calibration instruction.
2. The ACC radar system remote calibration method of claim 1, wherein the step of sending vehicle range fix information to the user side is preceded by:
acquiring the orientation angle of a vehicle tire;
judging whether the orientation angle of the vehicle tire meets a preset angle or not;
if the orientation angle of the vehicle tire accords with a preset angle, reading the offset angle of a vehicle distance control system;
and calculating a reset angle according to the maladjustment angle, and sending the reset angle to the user side, wherein the user side adjusts a vehicle distance control system of the vehicle according to the reset angle.
3. The ACC radar system remote calibration method of claim 1, wherein the step of sending vehicle range fix information to the user side comprises:
sending first fixed point information between the vehicle head center and the five-line laser instrument to the user side;
and sending second fixed point information between the vehicle tail center and the laser reflector to the user side, wherein the user side calculates the position information of the vehicle center line according to the first fixed point information and the second fixed point information, and controls the five-line laser instrument to start laser rays according to the position information of the vehicle center line, so that the laser rays irradiate on the center axis of the laser reflector.
4. The ACC radar system remote calibration method according to claim 1, wherein the step of receiving the vehicle distance control information fed back by the user end according to the vehicle distance fixed point information and generating the calibration command corresponding to the ACC radar system according to the vehicle distance control information comprises:
receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information, wherein the vehicle distance control information comprises: first distance information between the center of the vehicle head and the five-line laser instrument, second distance information between the center of the vehicle tail and the laser reflecting plate and position information of a vehicle center line;
calculating a positioning point according to the first distance information and the vehicle center line position information, and sending the positioning point to the user side, wherein the user side controls the distance between the vehicle head and the ACC radar system calibration equipment according to the positioning point;
the method comprises the steps of obtaining the height of a radar sensor of a vehicle, and generating a first height calibration instruction according to the height of the radar sensor so that a laser ray point of the ACC radar system calibration equipment is shot at the center position of the radar sensor.
5. The ACC radar system remote calibration method of claim 4, wherein the step of obtaining a radar sensor altitude for the vehicle and generating a first altitude calibration command based on the radar sensor altitude comprises:
acquiring first parameter information of the radar sensor;
judging whether the radar sensor carries a reflector or not according to the first parameter information;
if the radar sensor carries a reflector, acquiring the height of the reflector;
and generating a second height calibration instruction according to the height of the reflector, so that the laser ray of the ACC radar system calibration equipment is shot on the reflector and is reflected back to the central position of the ACC radar system calibration equipment through the reflector.
6. The ACC radar system remote calibration method according to claim 1, wherein the step of sending the calibration instructions to the user side is preceded by:
acquiring second parameter information of an adjusting bolt, wherein one end of the adjusting bolt is installed on a radar sensor of the ACC radar system, and the other end of the adjusting bolt is movably connected with the vehicle;
and calculating the rotation direction and the number of rotations of the adjusting bolt according to the second parameter information, and transmitting the rotation direction and the number of rotations to the user side, wherein the user side adjusts the adjusting bolt according to the rotation direction and the number of rotations.
7. An ACC radar system remote calibration system, comprising: remote diagnosis equipment, a user side and a vehicle;
the remote diagnosis equipment is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with the vehicle;
the remote diagnosis equipment is also used for acquiring an ADAS fault code and judging whether the vehicle is in the ACC radar system fault according to the ADAS fault code;
the remote diagnosis equipment is also used for sending vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the remote diagnosis equipment is also used for receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
the remote diagnosis equipment is further used for sending the calibration instruction to the user side, so that the user side can calibrate an ACC radar system of the vehicle according to the calibration instruction.
8. An ACC radar system remote calibration apparatus, comprising:
the first receiving module is used for receiving a remote connection request signal sent by a user side so as to establish remote communication connection with the user side, wherein the user side is in communication connection with a vehicle;
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring an ADAS fault code and judging whether a vehicle is in an ACC radar system fault or not according to the ADAS fault code;
the first sending module is used for sending vehicle distance fixed point information to the user side if the vehicle is in the ACC radar system failure;
the second receiving module is used for receiving vehicle distance control information fed back by the user side according to the vehicle distance fixed point information and generating a calibration instruction corresponding to the ACC radar system according to the vehicle distance control information;
and the second sending module is used for sending the calibration instruction to the user side so that the user side can calibrate the ACC radar system of the vehicle according to the calibration instruction.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program performs the steps of the ACC radar system remote calibration method of any one of claims 1 to 6.
10. A computer readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the ACC radar system remote calibration method of any one of claims 1 to 6.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115297135A (en) * | 2022-06-29 | 2022-11-04 | 智己汽车科技有限公司 | Interaction method and interaction system under radar failure mode |
| CN116560339A (en) * | 2023-05-11 | 2023-08-08 | 中山市博测达电子科技有限公司 | Remote ADAS calibration method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115297135A (en) * | 2022-06-29 | 2022-11-04 | 智己汽车科技有限公司 | Interaction method and interaction system under radar failure mode |
| CN116560339A (en) * | 2023-05-11 | 2023-08-08 | 中山市博测达电子科技有限公司 | Remote ADAS calibration method and system |
| CN116560339B (en) * | 2023-05-11 | 2023-12-12 | 中山市博测达电子科技有限公司 | Remote ADAS calibration method and system |
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