CN114252279A - Remote air suspension calibration method and device and computer equipment - Google Patents
Remote air suspension calibration method and device and computer equipment Download PDFInfo
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- CN114252279A CN114252279A CN202111563994.4A CN202111563994A CN114252279A CN 114252279 A CN114252279 A CN 114252279A CN 202111563994 A CN202111563994 A CN 202111563994A CN 114252279 A CN114252279 A CN 114252279A
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Abstract
The utility model relates to the technical field of automobile suspension, a long-range air suspension calibration method, a device and computer equipment are disclosed, long-range diagnostic equipment can receive the air suspension data that near-end diagnostic equipment sent, thereby whether the air suspension system of vehicle breaks down is judged according to the air suspension data, if break down, can request long-range air suspension system to calibrate the maintenance, and send the calibration data to the air suspension system of vehicle through near-end diagnostic equipment in, thereby make the air suspension system calibrate according to calibration data, can reduce the technical monopoly nature to the air suspension system calibration of professional 4S shops in various places like this, make ordinary maintenance shop also can calibrate the air suspension system, reduce user' S maintenance cost, and is convenient and fast.
Description
Technical Field
The application relates to the technical field of automobile suspension, in particular to a remote air suspension calibration method and device and computer equipment.
Background
Air suspension is currently generally applied in high-end vehicle models, such as cars of speed, audi, and the like; the basic technical scheme of the air suspension mainly comprises an air spring and a shock absorber with variable damping, wherein the air spring is filled with compressed air. Compared with the traditional steel automobile suspension system, the air suspension system has many advantages, and the most important point is that the elastic coefficient of the spring, namely the hardness of the spring, can be automatically adjusted according to the requirement. For example, the suspension may be stiffened during high speed travel to improve vehicle body stability, and the control unit may consider it passing over a bumpy road surface during long low speed travel to soften the suspension to improve shock comfort. In addition, the acceleration of the wheels caused by the ground impact is one of the parameters considered when the air springs are automatically adjusted, for example, when the wheels are bent too fast, the air springs and the shock absorbers of the outer wheels are automatically hardened to reduce the rolling of the vehicle body, and the electronic module strengthens the hardness of the springs and the shock absorbers of the front wheels to reduce the inertia forward tilting of the vehicle body during emergency braking. Therefore, the vehicle type equipped with the air spring has higher handling limit and comfort degree than other vehicles. However, compared with the conventional suspension, because the air-type adjustable suspension structure is complex, the probability and frequency of the failure of the air-type adjustable suspension system are higher than those of a spiral spring suspension system, and the probability of the failure of the air-type adjustable suspension system can be reduced by frequently maintaining and calibrating related components and parameters of the air-type adjustable suspension system. In the prior art, calibration and maintenance can be performed only by going to a professional 4S store, while the price of the professional 4S store for calibration is not good, and a common maintenance store cannot provide calibration service for the professional 4S store due to limited technology, which undoubtedly increases the maintenance cost of a user.
Disclosure of Invention
The application mainly aims to provide a remote air suspension calibration method, and aims to solve the technical problem that a common maintenance shop in the prior art cannot provide calibration service for a user, so that the user can perform calibration through a 4S shop, and the maintenance cost is too high.
The application provides a remote air suspension calibration method, which is applied to remote diagnostic equipment and comprises the following steps:
receiving a remote connection request instruction sent by a near-end diagnosis device to establish remote connection with the near-end diagnosis device, wherein the near-end diagnosis device is in communication connection with a vehicle;
receiving air suspension data sent by the near-end diagnosis equipment, and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
if the air suspension system of the vehicle breaks down, sending a calibration request instruction to the near-end diagnosis equipment according to the air suspension data;
receiving an agreement calibration instruction fed back by the near-end diagnostic equipment;
and sending calibration data to the near-end diagnostic equipment according to the agreement calibration instruction, wherein the near-end diagnostic equipment sends the calibration data to an air suspension system of the vehicle so that the remote diagnostic equipment carries out remote air calibration on the air suspension system.
Preferably, the step of determining whether the air suspension system of the vehicle is faulty according to the air suspension data includes:
analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are within preset ranges;
if the value of the first left front wheel height or the first right front wheel height or the first left rear wheel height or the first right rear wheel height or the vehicle body inclination angle is not in a preset range;
it is determined that the air suspension system of the vehicle is malfunctioning.
Preferably, the analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height, and a vehicle body inclination angle, the obtaining the vehicle body inclination angle includes:
analyzing angle data sent by triaxial acceleration in the air suspension data to obtain a first included angle between an X axis and a horizontal angle in the triaxial acceleration sensor;
calculating a first component of the three-axis acceleration sensor on an X axis, a second component of the three-axis acceleration sensor on a Y axis and a third component of the three-axis acceleration sensor on the Y axis according to the first included angle, wherein the calculation formula is as follows:
x＝g*sinα；
y＝g*cosα；
z＝g*tanα；
wherein α represents a first angle, g represents a gravitational acceleration when the vehicle is stationary, x represents a first component, y represents a second component, and z represents a third component;
calculating the inclination angle of the vehicle body according to the first component, the second component and the third component, wherein the calculation formula is as follows:
wherein α 1 represents a vehicle body inclination angle, x2Represents the square of the first component, said y2Represents the square of the second component, said z2Representing the square of the third component.
Preferably, the step of sending calibration data to the near-end diagnostic device according to the approval calibration instruction includes:
receiving a second left front wheel height value, a second right front wheel height value, a second left rear wheel height value and a second right rear wheel height value sent by the near-end diagnostic equipment;
calculating an adjustment value of the air suspension system to be adjusted according to the second left front wheel height value, the second right front wheel height value, the second left rear wheel height value and the second right rear wheel height value, wherein the adjustment value comprises: the second left front wheel adjustment value, the second right front wheel adjustment value, the second left rear wheel adjustment value and the second right rear wheel adjustment value are calculated according to the following formula:
second left front wheel height value Temp1 6.353-16.99+127
Second right front wheel height value Temp2 6.353-16.99+127
Second left rear wheel height value Temp3 8.0.32+52.01+127
Second right rear wheel height value Temp4 8.0.32+52.01+127
Wherein Temp1 is the second left front wheel adjustment value, Temp2 is the second right front wheel adjustment value, Temp3 is the second left rear wheel adjustment value, Temp4 is the second right rear wheel adjustment value;
and sending the adjustment value to the near-end diagnostic equipment, wherein the near-end diagnostic equipment sends the adjustment value to an air suspension system of the vehicle, and the air suspension system identifies the adjustment value and carries out calibration according to the adjustment value.
Preferably, the method further comprises the following steps:
receiving a calibration instruction sent by the near-end diagnostic device, wherein the calibration instruction is fed back to the near-end diagnostic device by the air suspension system;
judging whether the calibration is successful or not according to the calibration instruction;
if the calibration is not successful, the vehicle ECU data is obtained through the near-end diagnostic equipment;
judging whether the ECU system of the vehicle has a fault according to the ECU data;
if the vehicle ECU system has a fault, diagnosing and maintaining the vehicle ECU system so as to eliminate the fault of the vehicle ECU system;
returning to the step of sending the adjustment value to the near-end diagnostic device.
Preferably, the step of sending a calibration request command to the near-end diagnostic device according to the air suspension data includes:
acquiring a fault code according to the fault of the air suspension system of the vehicle;
judging whether the fault code can be cleared or not;
if the hardware fault can not be removed, sending a hardware fault maintenance report to the near-end diagnosis equipment, and performing maintenance processing on the hardware by the near-end diagnosis equipment according to the hardware fault maintenance report;
and if the data can be cleared, sending a calibration request instruction to the near-end diagnostic equipment.
The application also provides a long-range air suspension calibrating device, includes:
the system comprises a first receiving module, a second receiving module and a third receiving module, wherein the first receiving module is used for receiving a remote connection request instruction sent by a near-end diagnosis device so as to establish remote connection with the near-end diagnosis device, and the near-end diagnosis device is in communication connection with a vehicle;
the second receiving module is used for receiving the air suspension data sent by the near-end diagnosis equipment and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
the first sending module is used for sending a calibration request instruction to the near-end diagnostic equipment according to the air suspension data if the air suspension system of the vehicle breaks down;
the third receiving module is used for receiving the consent calibration instruction fed back by the near-end diagnostic equipment;
and the second sending module is used for sending calibration data to the near-end diagnostic equipment according to the agreement calibration instruction, wherein the near-end diagnostic equipment sends the calibration data to an air suspension system of the vehicle, so that the remote diagnostic equipment carries out remote air calibration on the air suspension system.
Preferably, the second receiving module includes:
the analysis unit is used for analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
the first judgment unit is used for respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are in a preset range or not;
and the judging unit is used for judging that the air suspension system of the vehicle has a fault if the value of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height or the vehicle body inclination angle is not in a preset range.
The present application further provides a computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the steps of the above-described remote air suspension 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 remote air suspension calibration method.
The beneficial effect of this application does: when the near-end diagnosis equipment can not carry out fault diagnosis and maintenance on the air suspension system of the vehicle, the remote connection can be established with the remote diagnosis equipment, so that the remote diagnosis equipment can receive air suspension data sent by the near-end diagnosis equipment, so that whether the air suspension system of the vehicle breaks down or not is judged according to the air suspension data, if the air suspension system breaks down, the remote calibration and maintenance on the air suspension system can be requested, the calibration data is sent to the air suspension system of the vehicle through the near-end diagnosis equipment, so that the air suspension system is calibrated according to the calibration data, the technical monopoly of professional 4S shops for air suspension system calibration can be reduced, the air suspension system can be calibrated by common maintenance shops, and besides, because the air type adjustable suspension structure is complex, the probability and the frequency of the breaking down are higher than those of a spiral spring suspension system, therefore, related parts and parameters of the air suspension are required to be maintained and calibrated frequently to reduce the probability of faults of the air suspension, and the cost of money and time of a user is increased when the user goes in and out of a maintenance shop for many times, so that the user can select to use a mobile phone or a computer to transmit air suspension data to the remote diagnosis equipment, the maintenance cost of the user can be reduced, and the air suspension system is convenient and quick.
Drawings
Fig. 1 is a schematic flow chart of a remote air suspension calibration method according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a remote air suspension calibration device according to an embodiment of the present application.
Fig. 3 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 3, the present application proposes a remote air suspension calibration method applied to a remote diagnostic device, including:
s1, receiving a remote connection request instruction sent by a near-end diagnosis device to establish remote connection with the near-end diagnosis device, wherein the near-end diagnosis device is in communication connection with a vehicle;
s2, receiving air suspension data sent by the near-end diagnosis equipment, and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
s3, if the air suspension system of the vehicle has a fault, sending a calibration request instruction to the near-end diagnosis equipment according to the air suspension data;
s4, receiving an agreement calibration instruction fed back by the near-end diagnosis equipment;
and S5, sending calibration data to the near-end diagnosis device according to the agreement calibration instruction, wherein the near-end diagnosis device sends the calibration data to an air suspension system of the vehicle, so that the remote diagnosis device carries out remote air calibration on the air suspension system.
As described in the above steps S1-S5, the near-end diagnostic device may be any device having a data transmission function, such as a mobile phone, a tablet computer, a general-purpose diagnostic device, etc., the remote diagnostic device may be a diagnostic device for performing maintenance calibration on an air suspension system or a professional diagnostic device for a certain brand of automobile, such as a professional diagnostic device applied to audi or a professional device applied to gallop, a worker using the remote diagnostic device may be a remote diagnostic service center, and the remote diagnostic service center may remotely provide remote fault diagnosis services for any vehicle in an area where remote connection can be established, so that the remote fault diagnostic service center has multiple types of professional diagnostic devices with different functions and general-purpose diagnostic devices. When the near-end diagnosis equipment can not carry out fault diagnosis and maintenance on the air suspension system of the vehicle, the remote connection can be established with the remote diagnosis equipment, so that the remote diagnosis equipment can receive air suspension data sent by the near-end diagnosis equipment, so that whether the air suspension system of the vehicle breaks down or not is judged according to the air suspension data, if the air suspension system breaks down, the remote calibration and maintenance on the air suspension system can be requested, the calibration data is sent to the air suspension system of the vehicle through the near-end diagnosis equipment, so that the air suspension system is calibrated according to the calibration data, the technical monopoly of professional 4S shops for air suspension system calibration can be reduced, the air suspension system can be calibrated by common maintenance shops, and besides, because the air type adjustable suspension structure is complex, the probability and the frequency of the breaking down are higher than those of a spiral spring suspension system, therefore, related parts and parameters of the air suspension are required to be maintained and calibrated frequently to reduce the probability of faults of the air suspension, and the cost of money and time of a user is increased when the user goes in and out of a maintenance shop for many times, so that the user can select to use a mobile phone or a computer to transmit air suspension data to the remote diagnosis equipment, the maintenance cost of the user can be reduced, and the air suspension system is convenient and quick.
In one embodiment, the step S2 of determining whether the air suspension system of the vehicle is malfunctioning according to the air suspension data includes:
s21, analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
s22, respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are within preset ranges;
s23, if the value of the first left front wheel height or the first right front wheel height or the first left rear wheel height or the first right rear wheel height or the vehicle body inclination angle is not in a preset range;
and S24, judging that the air suspension system of the vehicle is in failure.
As described in the foregoing steps S21-S24, when determining whether the air suspension system is failed, the air suspension system may be determined to be failed by obtaining the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle, and comparing the first left front wheel height, the first right front wheel height, the first left rear wheel height and the first right rear wheel height with the vehicle body inclination angle with a preset range value, where the preset range is obtained from an ECU system of the vehicle, and the preset range is a value set by a manufacturer when the vehicle leaves a factory.
In one embodiment, the step S21 of analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height, and a vehicle body tilt angle includes:
s211, analyzing angle data sent by triaxial acceleration in the air suspension data to obtain a first included angle between an X axis and a horizontal angle in the triaxial acceleration sensor;
s212, calculating a first component of the three-axis acceleration sensor on an X axis, a second component of the three-axis acceleration sensor on a Y axis and a third component of the three-axis acceleration sensor on the Y axis according to the first included angle, wherein the calculation formula is as follows:
x＝g*sinα；
y＝g*cosα；
z＝g*tanα；
wherein α represents a first angle, g represents a gravitational acceleration when the vehicle is stationary, x represents a first component, y represents a second component, and z represents a third component;
s213, calculating the inclination angle of the vehicle body according to the first component, the second component and the third component, wherein the calculation formula is as follows:
wherein α 1 represents a vehicle body inclination angle, x2Represents the first divisionSquare of quantity, y2Represents the square of the second component, said z2Representing the square of the third component.
As described in steps S211 to S213, the first left front wheel height, the first right front wheel height, the first left rear wheel height, and the first right rear wheel height may be directly obtained by sensors on tires, or may also be obtained by manual measurement by a service person or a user near the vehicle, and the vehicle tilt angle is in a 3-dimensional space and thus cannot be directly obtained by measurement, so in this embodiment, the first included angle between the X axis and the horizontal angle in the three-axis acceleration sensor is obtained, so that the first component of the three-axis acceleration sensor in the X axis, the second component in the Y axis, and the third component in the Y axis may be calculated according to the first included angle, and then α 1 is obtained
The inclination angle of the vehicle body can be calculated, and the inclination angle of the vehicle body calculated by the formula is more accurate; it should be noted that, in the embodiment, when the vehicle inclination angle is calculated, the vehicle is in a stationary state, so that the problem that the calculated vehicle body inclination angle is not accurate enough due to vehicle vibration or movement can be reduced.
In one embodiment, the step S5 of sending calibration data to the near-end diagnostic device according to the consent calibration instruction includes:
s51, receiving a second left front wheel height value, a second right front wheel height value, a second left rear wheel height value and a second right rear wheel height value sent by the near-end diagnosis equipment;
s52, calculating an adjustment value of the air suspension system to be adjusted according to the second left front wheel height value, the second right front wheel height value, the second left rear wheel height value and the second right rear wheel height value, wherein the adjustment value comprises: the second left front wheel adjustment value, the second right front wheel adjustment value, the second left rear wheel adjustment value and the second right rear wheel adjustment value are calculated according to the following formula:
second left front wheel height value Temp1 6.353-16.99+127
Second right front wheel height value Temp2 6.353-16.99+127
Second left rear wheel height value Temp3 8.0.32+52.01+127
Second right rear wheel height value Temp4 8.0.32+52.01+127
Wherein Temp1 is the second left front wheel adjustment value, Temp2 is the second right front wheel adjustment value, Temp3 is the second left rear wheel adjustment value, Temp4 is the second right rear wheel adjustment value;
and S53, sending the adjustment value to the near-end diagnosis equipment, wherein the near-end diagnosis equipment sends the adjustment value to an air suspension system of the vehicle, and the air suspension system identifies the adjustment value and carries out calibration according to the adjustment value.
As described in the above steps S51-S53, the second left front wheel height value, the second right front wheel height value, the second left rear wheel height value and the second right rear wheel height value are ideal values after calibration, and because there is a difference between the current actual value and the ideal value and the air suspension system follows its own algorithm, the ideal values cannot be directly input into the air suspension system, i.e., the input ideal values must be recognizable by the air suspension system, so the second left front wheel adjustment value, the second right front wheel adjustment value, the second left rear wheel adjustment value and the second right rear wheel adjustment value can be calculated by the calculation formula in step S52 based on the calculation formula of the air suspension system following its own algorithm, and therefore, the calculated adjustment values are not only accurate but also recognizable by the air suspension system, and the calculation formula is simple, the operation loss of the remote diagnosis device can be reduced.
In one embodiment, the step S5 of sending calibration data to the near-end diagnostic device according to the consent calibration instruction further includes:
s54, receiving a calibration instruction sent by the near-end diagnosis device, wherein the calibration instruction is fed back to the near-end diagnosis device by the air suspension system;
s55, judging whether the calibration is successful according to the calibration instruction;
s56, if the calibration is not successful, acquiring the ECU data of the vehicle through the near-end diagnosis equipment;
s57, judging whether the ECU system of the vehicle has a fault according to the ECU data;
s58, if the vehicle ECU system has a fault, diagnosing and maintaining the vehicle ECU system to eliminate the fault of the vehicle ECU system;
s59, returning to the step of sending the adjustment value to the near-end diagnostic device.
As described in the foregoing steps S54-S59, after the air suspension system receives the adjustment value, if the calibration is successful, an instruction of successful calibration is sent to the remote diagnosis device, if the calibration is unsuccessful, an instruction of failed calibration is sent to the remote diagnosis device, if the instruction received by the remote diagnosis device is a failure of calibration, and the adjustment value can be recognized by the air suspension system, and since the failure of calibration is also caused when the ECU fails, it can be determined whether the vehicle has an ECU failure, and if the failure occurs, the ECU system can be diagnosed and maintained first, and then the air suspension system is calibrated, so that the calibration of the air suspension system is successful.
In one embodiment, the step S3 of sending a calibration request command to the near-end diagnostic device according to the air suspension data includes:
s31, acquiring a fault code according to the fault of the air suspension system of the vehicle;
s32, judging whether the fault code can be cleared;
s33, if the hardware fault can not be removed, sending a hardware fault maintenance report to the near-end diagnosis equipment, and the near-end diagnosis equipment performing maintenance processing on the hardware according to the hardware fault maintenance report;
and S34, if the data can be cleared, sending a calibration request instruction to the near-end diagnosis equipment.
As described in the above steps S31-S34, when the air suspension system fails, a fault code is generated, if the failure of the air suspension system is a hardware failure, calibration cannot be performed by sending a calibration instruction, in order to simplify the calibration process and increase the accuracy of diagnosis, before sending a request calibration instruction to a near-end diagnostic device according to air suspension data, it is determined whether the air suspension system has a hardware failure, for example, a sensor on the first left front wheel has a failure, if the air suspension system has a hardware failure, a vehicle is remotely maintained for a hardware failure according to the hardware failure, and after the hardware failure is solved, a request calibration instruction is sent again. If the fault code can be cleared, which indicates that the air suspension system has no hardware fault, a request for calibration may be sent to the near-end diagnostic device.
The application also provides a long-range air suspension calibrating device, includes:
the system comprises a first receiving module 1, a second receiving module, a third receiving module and a third receiving module, wherein the first receiving module is used for receiving a remote connection request instruction sent by a near-end diagnosis device so as to establish remote connection with the near-end diagnosis device, and the near-end diagnosis device is in communication connection with a vehicle;
the second receiving module 2 is used for receiving the air suspension data sent by the near-end diagnostic equipment and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
the first sending module 3 is configured to send a calibration request instruction to the near-end diagnostic device according to the air suspension data if the air suspension system of the vehicle has a fault;
the third receiving module 4 is used for receiving the consent calibration instruction fed back by the near-end diagnostic equipment;
and a second sending module 5, configured to send calibration data to the near-end diagnostic device according to the agreement calibration instruction, where the near-end diagnostic device sends the calibration data to an air suspension system of the vehicle, so that the remote diagnostic device performs remote air calibration on the air suspension system.
In one embodiment, the second receiving module 2 includes:
the analysis unit is used for analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
the first judgment unit is used for respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are in a preset range or not;
and the judging unit is used for judging that the air suspension system of the vehicle has a fault if the value of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height or the vehicle body inclination angle is not in a preset range.
In one embodiment, the parsing unit includes:
the analysis subunit is used for analyzing angle data sent by three-axis acceleration in the air suspension data to obtain a first included angle between an X axis and a horizontal angle in the three-axis acceleration sensor;
the first calculating subunit is configured to calculate, according to the first included angle, a first component of the three-axis acceleration sensor on an X axis, a second component of the three-axis acceleration sensor on a Y axis, and a third component of the three-axis acceleration sensor on the Y axis, where the calculation formula is:
x＝g*sinα；
y＝g*cosα；
z＝g*tanα；
wherein α represents a first angle, g represents a gravitational acceleration when the vehicle is stationary, x represents a first component, y represents a second component, and z represents a third component;
the second calculating subunit is used for calculating the inclination angle of the vehicle body according to the first component, the second component and the third component, wherein the calculation formula is as follows:
wherein α 1 represents a vehicle body inclination angle, x2Represents the square of the first component, said y2Represents the square of the second component, said z2Representing the square of the third component.
In one embodiment, the second sending module 5 includes:
the receiving unit is used for receiving a second left front wheel height value, a second right front wheel height value, a second left rear wheel height value and a second right rear wheel height value which are sent by the near-end diagnosis equipment;
a first calculating unit, configured to calculate an adjustment value that needs to be adjusted by the air suspension system according to the second left front wheel height value, the second right front wheel height value, the second left rear wheel height value, and the second right rear wheel height value, where the adjustment value includes: the second left front wheel adjustment value, the second right front wheel adjustment value, the second left rear wheel adjustment value and the second right rear wheel adjustment value are calculated according to the following formula:
second left front wheel height value Temp1 6.353-16.99+127
Second right front wheel height value Temp2 6.353-16.99+127
Second left rear wheel height value Temp3 8.0.32+52.01+127
Second right rear wheel height value Temp4 8.0.32+52.01+127
Wherein Temp1 is the second left front wheel adjustment value, Temp2 is the second right front wheel adjustment value, Temp3 is the second left rear wheel adjustment value, Temp4 is the second right rear wheel adjustment value;
and the adjusting value sending unit is used for sending the adjusting value to the near-end diagnosis equipment, wherein the near-end diagnosis equipment sends the adjusting value to an air suspension system of the vehicle, and the air suspension system identifies the adjusting value and carries out calibration according to the adjusting value.
In one embodiment, the remote air suspension calibration device further comprises:
the third receiving module is used for receiving a calibration instruction sent by the near-end diagnostic equipment, wherein the calibration instruction is fed back to the near-end diagnostic equipment by the air suspension system;
the first judgment module is used for judging whether the calibration is successful or not according to the calibration instruction;
the acquisition module is used for acquiring the vehicle ECU data through the near-end diagnostic equipment if the calibration is not successful;
the second judgment module is used for judging whether the ECU system of the vehicle has a fault according to the ECU data;
the diagnosis and maintenance module is used for diagnosing and maintaining the vehicle ECU system if the vehicle ECU system fails so as to eliminate the failure of the vehicle ECU system;
a return module for returning to the step of sending the adjustment value to the near-end diagnostic device.
In one embodiment, the first sending module 3 includes:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a fault code according to the fault of an air suspension system of the vehicle;
the second judging unit is used for judging whether the fault code can be cleared or not;
a maintenance report sending unit, configured to send a hardware fault maintenance report to the near-end diagnostic device if the hardware fault maintenance report cannot be cleared, where the near-end diagnostic device performs maintenance processing on hardware according to the hardware fault maintenance report;
and the calibration request instruction sending unit is used for sending a calibration request instruction to the near-end diagnostic equipment if the near-end diagnostic equipment can be cleared.
As shown in fig. 3, 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. 3. 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 data required for the process of the remote air suspension 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 a remote air suspension calibration method.
Those skilled in the art will appreciate that the architecture shown in fig. 3 is only a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects may be applied.
An embodiment of the present application further provides a computer readable storage medium having a computer program stored thereon, which when executed by a processor, implements any of the above-described remote air suspension calibration methods.
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 air suspension calibration method is applied to remote diagnosis equipment and is characterized by comprising the following steps:
receiving a remote connection request instruction sent by a near-end diagnosis device to establish remote connection with the near-end diagnosis device, wherein the near-end diagnosis device is in communication connection with a vehicle;
receiving air suspension data sent by the near-end diagnosis equipment, and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
if the air suspension system of the vehicle breaks down, sending a calibration request instruction to the near-end diagnosis equipment according to the air suspension data;
receiving an agreement calibration instruction fed back by the near-end diagnostic equipment;
and sending calibration data to the near-end diagnostic equipment according to the agreement calibration instruction, wherein the near-end diagnostic equipment sends the calibration data to an air suspension system of the vehicle so that the remote diagnostic equipment carries out remote air calibration on the air suspension system.
2. The remote air suspension calibration method of claim 1 wherein said step of determining if an air suspension system of said vehicle is malfunctioning based on said air suspension data comprises:
analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are within preset ranges;
if the value of the first left front wheel height or the first right front wheel height or the first left rear wheel height or the first right rear wheel height or the vehicle body inclination angle is not in a preset range;
it is determined that the air suspension system of the vehicle is malfunctioning.
3. The remote air suspension calibration method according to claim 2, wherein the step of analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height, and a vehicle body tilt angle comprises:
analyzing angle data sent by triaxial acceleration in the air suspension data to obtain a first included angle between an X axis and a horizontal angle in the triaxial acceleration sensor;
calculating a first component of the three-axis acceleration sensor on an X axis, a second component of the three-axis acceleration sensor on a Y axis and a third component of the three-axis acceleration sensor on the Y axis according to the first included angle, wherein the calculation formula is as follows:
x＝g*sinα；
y＝g*cosα；
z＝g*tanα；
wherein α represents a first angle, g represents a gravitational acceleration when the vehicle is stationary, x represents a first component, y represents a second component, and z represents a third component;
calculating the inclination angle of the vehicle body according to the first component, the second component and the third component, wherein the calculation formula is as follows:
wherein α 1 represents a vehicle body inclination angle, x2Represents the square of the first component, said y2Which represents the square of the second component and,z is2Representing the square of the third component.
4. The remote air suspension calibration method of claim 1, wherein the step of sending calibration data to the proximal diagnostic device in accordance with the consent calibration instruction comprises:
receiving a second left front wheel height value, a second right front wheel height value, a second left rear wheel height value and a second right rear wheel height value sent by the near-end diagnostic equipment;
calculating an adjustment value of the air suspension system to be adjusted according to the second left front wheel height value, the second right front wheel height value, the second left rear wheel height value and the second right rear wheel height value, wherein the adjustment value comprises: the second left front wheel adjustment value, the second right front wheel adjustment value, the second left rear wheel adjustment value and the second right rear wheel adjustment value are calculated according to the following formula:
second left front wheel height value Temp1 6.353-16.99+127
Second right front wheel height value Temp2 6.353-16.99+127
Second left rear wheel height value Temp3 8.0.32+52.01+127
Second right rear wheel height value Temp4 8.0.32+52.01+127
Wherein Temp1 is the second left front wheel adjustment value, Temp2 is the second right front wheel adjustment value, Temp3 is the second left rear wheel adjustment value, Temp4 is the second right rear wheel adjustment value;
and sending the adjustment value to the near-end diagnostic equipment, wherein the near-end diagnostic equipment sends the adjustment value to an air suspension system of the vehicle, and the air suspension system identifies the adjustment value and carries out calibration according to the adjustment value.
5. The remote air suspension calibration method of claim 4, wherein the step of sending calibration data to the proximal diagnostic device in accordance with the consent calibration instruction further comprises:
receiving a calibration instruction sent by the near-end diagnostic device, wherein the calibration instruction is fed back to the near-end diagnostic device by the air suspension system;
judging whether the calibration is successful or not according to the calibration instruction;
if the calibration is not successful, the vehicle ECU data is obtained through the near-end diagnostic equipment;
judging whether the ECU system of the vehicle has a fault according to the ECU data;
if the vehicle ECU system has a fault, diagnosing and maintaining the vehicle ECU system so as to eliminate the fault of the vehicle ECU system;
returning to the step of sending the adjustment value to the near-end diagnostic device.
6. The remote air suspension calibration method of claim 1 wherein said step of sending a request calibration command to said proximal diagnostic device based on said air suspension data comprises:
acquiring a fault code according to the fault of the air suspension system of the vehicle;
judging whether the fault code can be cleared or not;
if the hardware fault can not be removed, sending a hardware fault maintenance report to the near-end diagnosis equipment, and performing maintenance processing on the hardware by the near-end diagnosis equipment according to the hardware fault maintenance report;
and if the data can be cleared, sending a calibration request instruction to the near-end diagnostic equipment.
7. A remote air suspension calibration device, comprising:
the system comprises a first receiving module, a second receiving module and a third receiving module, wherein the first receiving module is used for receiving a remote connection request instruction sent by a near-end diagnosis device so as to establish remote connection with the near-end diagnosis device, and the near-end diagnosis device is in communication connection with a vehicle;
the second receiving module is used for receiving the air suspension data sent by the near-end diagnosis equipment and judging whether an air suspension system of the vehicle breaks down or not according to the air suspension data;
the first sending module is used for sending a calibration request instruction to the near-end diagnostic equipment according to the air suspension data if the air suspension system of the vehicle breaks down;
the third receiving module is used for receiving the consent calibration instruction fed back by the near-end diagnostic equipment;
and the second sending module is used for sending calibration data to the near-end diagnostic equipment according to the agreement calibration instruction, wherein the near-end diagnostic equipment sends the calibration data to an air suspension system of the vehicle, so that the remote diagnostic equipment carries out remote air calibration on the air suspension system.
8. The remote air suspension calibration device of claim 7, wherein the second receiving module comprises:
the analysis unit is used for analyzing the air suspension data to obtain a first left front wheel height, a first right front wheel height, a first left rear wheel height, a first right rear wheel height and a vehicle body inclination angle;
the first judgment unit is used for respectively judging whether the values of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height and the vehicle body inclination angle are in a preset range or not;
and the judging unit is used for judging that the air suspension system of the vehicle has a fault if the value of the first left front wheel height, the first right front wheel height, the first left rear wheel height, the first right rear wheel height or the vehicle body inclination angle is not in a preset range.
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 remote air suspension calibration method according to any one of claims 1 to 6.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the remote air suspension calibration method according to any one of claims 1 to 6.
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