Head-up display control system and head-up display display method

Abstract

The present invention discloses a head-up display control system and a head-up display method, which specifically relates to the field of vehicle technology, including: a data acquisition module, a data transmission module, a data analysis and processing module, and a jitter compensation module; the data acquisition module further includes a first data acquisition module and a second data acquisition module, which are respectively used to collect vehicle data parameters and road condition parameters; the data analysis and processing module performs data processing on the vehicle data parameters and road condition parameters from the data transmission module to obtain a jitter compensation displacement #imgabs0# and a jitter compensation angle #imgabs1#; the jitter compensation module performs corresponding mechanical transmission according to the jitter compensation displacement #imgabs2# and the jitter compensation angle #imgabs3#. The present invention can adjust the position and direction of the display device in real time by calculating and applying the jitter compensation displacement and the jitter compensation angle, thereby offsetting the influence of jitter and improving the readability of information.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and more particularly to a head-up display control system and a head-up display method. Background Art

[0002] Head-up display system, referred to as HUD, is an innovative technology in the automotive industry. It focuses on the comfort and safety of the driver and integrates blind operation and multi-function by projecting key information onto the windshield. The design concept of this intelligent system aims to reduce the driver's line of sight during driving and improve driving efficiency.

[0003] In the Chinese invention application with application publication number CN114252992A, a head-up display device, a motor vehicle and a control system are disclosed, wherein the head-up display device comprises: a housing; a stereoscopic visual image source and a reflection unit disposed in the housing; and a moving device; wherein the housing comprises a light outlet, the stereoscopic visual image source is used to emit light that can form a stereoscopic visual image, the reflection unit is used to reflect the light emitted by the stereoscopic visual image source, the light reflected by the reflection unit is emitted through the light outlet, so that the light emitted through the light outlet is reflected by an external imaging device to form a virtual image, and the moving device is used to drive the reflection unit to move so that the imaging position of the virtual image is changed. The imaging position of the virtual image formed by the head-up display device can be changed.

[0004] In the above invention application, the imaging position of the virtual image is changed to ensure that the imaging position of the virtual image remains the same as the position where the driver's eyes focus, thereby avoiding visual convergence conflicts, preventing the driver from experiencing adverse conditions such as fatigue and nausea, and improving driving safety; but during driving, it is not convenient for the driver to change the imaging position of the virtual image, and the vehicle is prone to up and down shaking due to factors such as the flatness of the road surface and its own driving speed. The ups and downs of the vehicle and the driver may cause the HUD display to vibrate, resulting in poor information readability.

[0005] In order to solve the above problems, a head-up display control system and a head-up display method are provided. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] In order to overcome the above-mentioned defects of the prior art, the present invention provides a head-up display control system and a head-up display method. The present invention collects vehicle data parameters and road condition parameters by using corresponding equipment, transmits data, and analyzes the comprehensive evaluation index of the vehicle. , Comprehensive evaluation index of pavement , obtain the adjustment weight of the vehicle's own data And the adjustment weight of the collected road condition parameters , calculate the comprehensive road condition jitter degree , and calculate the jitter displacement and shaking angle , the actuator is displaced according to the jitter compensation and shake compensation angle Corresponding mechanical transmission is made to achieve the anti-shake effect, solving the problem that the ups and downs of the vehicle and the driver during driving can easily cause the equipment to vibrate, resulting in poor information readability.

[0008] (II) Technical solution

[0009] To achieve the above object, the present invention is implemented through the following technical solutions:

[0010] A method for displaying a head-up display comprises the following steps:

[0011] Collect vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH;

[0012] According to the vehicle's seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ;

[0013] Statistics of comprehensive vehicle evaluation indicators under different driving conditions Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level .

[0014] Get the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ;

[0015] Get the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle .

[0016] Furthermore, the vehicle's seismic strength The vehicle's structure and suspension system's ability to resist vibration and impact during driving, especially when encountering bumpy roads or intense movement, is periodically tested using a shock absorber tester;

[0017] Vehicle speed d, n is the wheel speed, which refers to the number of revolutions per minute of the wheel. It is mainly monitored in real time by the vehicle speed sensor. The vehicle speed sensor generally adopts Hall effect sensor, magnetoresistive sensor or photoelectric sensor technology. π is the pi, and d is the diameter of the tire;

[0018] Vehicle direction change Real-time monitoring is mainly carried out through gyroscope sensors, which can sense the vehicle's tilt angle and rotation speed, thereby indirectly determining the vehicle's driving direction;

[0019] The road surface roughness IRI refers to the vertical deviation of the road surface from the ideal plane, which is detected in real time by a laser scanner;

[0020] Friction parameters of road surface materials , the road surface is spectrally analyzed by a spectrometer to determine its chemical composition and material type. The friction parameters generated by the wheels are determined based on the chemical composition and material type of the road surface, such as cement road, asphalt road, gravel road, etc., and recorded as the road surface material friction parameters ;

[0021] Pavement humidity RH refers to the ratio of the water vapor content in the air on the road to the maximum water vapor content reached by the air at that temperature, and is monitored by a humidity sensor;

[0022] Furthermore, the vehicle's seismic strength , vehicle speed , Change of vehicle direction Perform dimensionless processing, associate various parameters, and obtain the comprehensive evaluation index of the vehicle :

[0023]

[0024] The parameters have the following meanings: is the influencing factor of vehicle seismic strength, is the vehicle speed influencing factor, is the driving direction influencing factor, and C1 is the constant correction coefficient.

[0025] Furthermore, the road surface roughness IRI and road surface material parameters , the road surface humidity RH is dimensionless, and the various parameters are correlated to obtain the comprehensive evaluation index of the road surface :

[0026]

[0027] The parameters have the following meanings: is the road surface humidity influencing factor, is the influencing factor of pavement material, is the influencing factor of road surface smoothness, and C2 is the constant correction coefficient.

[0028] Furthermore, the comprehensive evaluation index of the vehicle under different driving conditions is counted. Mean, obtain the standard value of the comprehensive evaluation index of the vehicle , calculate the vehicle's own adjustment weight :

[0029]

[0030] The corresponding vehicle's own adjustment weight The calculation formula is as above.

[0031] Furthermore, the comprehensive evaluation index of the road surface under different road conditions is statistically analyzed. Average, obtain the standard value of comprehensive evaluation index of pavement , calculate the adjustment weight of the road condition :

[0032]

[0033] Adjustment weights corresponding to road conditions The calculation formula is as above.

[0034] Furthermore, according to the comprehensive evaluation index of the vehicle , Comprehensive evaluation index of pavement , the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level ;

[0035]

[0036] Corresponding comprehensive road condition jitter degree The calculation formula is as above.

[0037] Furthermore, the maximum displacement of the head-up display control system is obtained , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement :

[0038]

[0039] Among them, the maximum displacement of the head-up display control system and minimum displacement Determined by the performance of the head-up display control system itself.

[0040] Furthermore, the PID algorithm is used to calculate the jitter compensation displacement , the formula is as follows:

[0041]

[0042] in, is the proportional gain, is the integral gain, is the differential gain.

[0043] Furthermore, the maximum moving angle of the head-up display control system is obtained , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle :

[0044]

[0045] Among them, the maximum movement angle of the head-up display control system , minimum moving angle Determined by the performance of the head-up display control system itself.

[0046] Furthermore, the PID algorithm is used to calculate the jitter compensation angle , the formula is as follows:

[0047]

[0048] Corresponding jitter compensation angle The calculation formula is as above.

[0049] A head-up display control system, comprising:

[0050] Data acquisition module, which collects vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH;

[0051] The first data analysis module is based on the vehicle's anti-seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ;

[0052] The second data analysis module counts the comprehensive evaluation indicators of vehicles under different driving conditions. Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level .

[0053] Compensation displacement analysis module to obtain the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ;

[0054] Compensation angle analysis module to obtain the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle .

[0055] (III) Beneficial effects

[0056] The present invention provides a head-up display control system and a head-up display method, which have the following beneficial effects:

[0057] 1. Collect and comprehensively consider the vehicle's seismic strength , vehicle speed , Change of vehicle direction And other vehicle data parameters to obtain comprehensive vehicle evaluation indicators By collecting and comprehensively considering the road surface flatness IRI and road surface material parameters , road humidity RH collects road condition parameters and obtains comprehensive road evaluation indicators ; Based on the standard values ​​of comprehensive vehicle evaluation indicators And the standard values ​​of comprehensive vehicle evaluation indicators , obtain comprehensive vehicle evaluation indicators The corresponding vehicle's own adjustment weight And comprehensive evaluation index of pavement Adjustment weights corresponding to road conditions ; Based on comprehensive vehicle evaluation indicators , Comprehensive evaluation index of pavement , the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter degree , problems can be discovered and repaired in time to ensure the stability of the display system; the factors affecting the jitter of the head-up display system during driving are revealed. The data analysis and processing module comprehensively considers the vehicle's own data and road conditions, providing a scientific basis for accurately obtaining the degree of jitter under comprehensive road conditions.

[0058] 2. Collect the maximum displacement of the head-up display control system , minimum displacement , and according to the comprehensive road condition jitter degree , get the jitter displacement , thereby analyzing the jitter compensation displacement ; Collect the maximum rotation degree of the head-up display control system and the minimum rotation , and according to the comprehensive road condition jitter degree , get the jitter compensation angle , thereby analyzing the jitter compensation angle , the actuator is displaced according to the jitter compensation and shake compensation angle By making corresponding mechanical transmission to achieve the anti-shake effect, the system can analyze in real time the displacement and angle that need to be compensated for after the device shakes, and take corresponding jitter compensation measures according to the compensation displacement and compensation angle; by calculating and applying the jitter compensation displacement and jitter compensation angle, the position and direction of the display device can be adjusted in real time to offset the impact of the jitter, so that the image or information remains stable and clear, and the mechanical stress of the device during the jitter process is reduced, thereby extending the overall life of the device; it solves the problem that the ups and downs of the vehicle and the driver during driving may cause the device to vibrate, resulting in poor information readability. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] Figure 1 This is a schematic diagram of the structure of a head-up display control system of the present invention;

[0060] Figure 2 It is a schematic diagram of the calculation process of the comprehensive road condition jitter degree of the present invention;

[0061] Figure 3 It is a schematic diagram of the calculation process of the jitter compensation displacement and the jitter compensation angle of the present invention;

[0062] Figure 4 The present invention is a flowchart of a method for displaying a head-up display. DETAILED DESCRIPTION

[0063] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0064] Example Figures 1 to 3 A head-up display control system of the present invention is provided, comprising a data acquisition module, a first data analysis module, a second data analysis module, a compensation displacement analysis module and a compensation angle analysis module;

[0065] Data acquisition module, which collects vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH;

[0066] Vehicle shock resistance The vehicle's structure and suspension system's ability to resist vibration and impact during driving, especially when encountering bumpy roads or intense movement, is periodically tested using a shock absorber tester;

[0067] Vehicle speed d, n is the wheel speed, which refers to the number of revolutions per minute of the wheel. It is mainly monitored in real time by the vehicle speed sensor. The vehicle speed sensor generally adopts Hall effect sensor, magnetoresistive sensor or photoelectric sensor technology. π is the pi, and d is the diameter of the tire;

[0068] Vehicle direction change Real-time monitoring is mainly carried out through gyroscope sensors, which can sense the vehicle's tilt angle and rotation speed, thereby indirectly determining the vehicle's driving direction;

[0069] The road surface roughness IRI refers to the vertical deviation of the road surface from the ideal plane, which is detected in real time by a laser scanner;

[0070] Friction parameters of road surface materials , the road surface is spectrally analyzed by a spectrometer to determine its chemical composition and material type. The friction parameters generated by the wheels are determined based on the chemical composition and material type of the road surface, such as cement road, asphalt road, gravel road, etc., and recorded as the road surface material friction parameters ;

[0071] Pavement humidity RH refers to the ratio of the water vapor content in the air on the road to the maximum water vapor content reached by the air at that temperature, and is monitored by a humidity sensor;

[0072] The first data analysis module is based on the vehicle's anti-seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ;

[0073] The vehicle's shock resistance , vehicle speed , Change of vehicle direction Perform dimensionless processing, associate various parameters, and obtain the comprehensive evaluation index of the vehicle :

[0074]

[0075] The parameters have the following meanings: is the influencing factor of vehicle seismic strength, is the vehicle speed influencing factor, is the driving direction influencing factor, and C1 is the constant correction coefficient.

[0076] The road surface roughness IRI, road surface material parameters , the road surface humidity RH is dimensionless, and the various parameters are correlated to obtain the comprehensive evaluation index of the road surface :

[0077]

[0078] The parameters have the following meanings: is the road surface humidity influencing factor, is the influencing factor of pavement material, is the influencing factor of road surface smoothness, and C2 is the constant correction coefficient.

[0079] The second data analysis module counts the comprehensive evaluation indicators of vehicles under different driving conditions. Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level .

[0080] Statistics of comprehensive vehicle evaluation indicators under different driving conditions Mean, obtain the standard value of the comprehensive evaluation index of the vehicle , calculate the vehicle's own adjustment weight :

[0081]

[0082] The corresponding vehicle's own adjustment weight The calculation formula is as above.

[0083] Statistics of comprehensive evaluation indicators of pavement under different pavement conditions Average, obtain the standard value of comprehensive evaluation index of pavement , calculate the adjustment weight of the road condition :

[0084]

[0085] Adjustment weights corresponding to road conditions The calculation formula is as above.

[0086] According to the comprehensive evaluation index of the vehicle , Comprehensive evaluation index of pavement , the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level ;

[0087]

[0088] Corresponding comprehensive road condition jitter degree The calculation formula is as above.

[0089] By collecting and comprehensively considering the vehicle's seismic strength , vehicle speed , Change of vehicle direction And other vehicle data parameters to obtain comprehensive vehicle evaluation indicators By collecting and comprehensively considering the road surface roughness IRI and road surface material parameters , road humidity RH collects road condition parameters and obtains comprehensive road evaluation indicators ; Based on the standard values ​​of comprehensive vehicle evaluation indicators And the standard values ​​of comprehensive vehicle evaluation indicators , obtain the comprehensive evaluation index of the vehicle The corresponding vehicle's own adjustment weight And comprehensive evaluation index of pavement Adjustment weights corresponding to road conditions ; Based on comprehensive vehicle evaluation indicators , Comprehensive evaluation index of pavement , the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter degree , problems can be discovered and repaired in time to ensure the stability of the display system; the factors affecting the jitter of the head-up display system during driving are revealed. The data analysis and processing module comprehensively considers the vehicle's own data and road conditions, providing a scientific basis for accurately obtaining the degree of jitter under comprehensive road conditions.

[0090] Compensation displacement analysis module to obtain the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ;

[0091] Get the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement :

[0092]

[0093] Among them, the maximum displacement of the head-up display control system and minimum displacement Determined by the performance of the head-up display control system itself.

[0094] Calculate the jitter compensation displacement using the PID algorithm , the formula is as follows:

[0095]

[0096] in, is the proportional gain, is the integral gain, is the differential gain.

[0097] Collect the maximum displacement of the head-up display control system , minimum displacement , and according to the comprehensive road condition jitter degree , get the jitter displacement , thereby analyzing the jitter compensation displacement The system can analyze in real time the displacement that needs to be compensated for after the device jitter occurs, and take corresponding jitter compensation measures based on the compensation displacement; by calculating and applying the jitter compensation displacement, the position of the display device can be adjusted in real time to offset the impact of the jitter, keep the image or information stable and clear, reduce the mechanical stress of the device during the jitter process, and thus extend the overall life of the device.

[0098] Compensation angle analysis module to obtain the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle .

[0099] Get the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle :

[0100]

[0101] Among them, the maximum movement angle of the head-up display control system , minimum moving angle Determined by the performance of the head-up display control system itself.

[0102] Calculate the jitter compensation angle using the PID algorithm , the formula is as follows:

[0103]

[0104] Corresponding jitter compensation angle The calculation formula is as above.

[0105] Collect the maximum rotation degree of the head-up display control system and the minimum rotation , and according to the comprehensive road condition jitter degree , get the shaking angle , thereby analyzing the jitter compensation angle The system can analyze in real time the angle that needs to be compensated after the device jitters, and take corresponding jitter compensation measures according to the compensation angle. It can adjust the projection angle of the display device in real time to offset the impact of jitter, keep the image or information stable and clear, improve the accuracy of display control projection direction, enable the device to better adapt to various complex environments, and ensure stable operation under various conditions.

[0106] See also Figure 2 The present invention provides a method for displaying a head-up display, comprising the following steps:

[0107] Collect vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH;

[0108] According to the vehicle's seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ;

[0109] Statistics of comprehensive vehicle evaluation indicators under different driving conditions Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level .

[0110] Get the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ;

[0111] Get the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle .

[0112] The above embodiments can be implemented in whole or in part by software, hardware, firmware or any other combination. When implemented by software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When a computer instruction or computer program is loaded or executed on a computer, a process or function according to an embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. Computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state hard disk.

[0113] Those of ordinary skill in the art will appreciate that the modules and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0114] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and modules described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0115] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of modules is only a logical function division. There may be other division methods in actual implementation, such as multiple modules or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or modules, which can be electrical, mechanical or other forms.

[0116] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical modules, and may be located in one place or distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0117] In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist physically separately, or two or more modules may be integrated into one module.

[0118] If the function is implemented in the form of a software function module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, etc., and other media that can store program codes.

[0119] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0120] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for displaying a head-up display, characterized in that: The steps include: Collect vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road surface condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH; The vehicle's shock resistance , vehicle speed , Change of vehicle direction Perform dimensionless processing, associate various parameters, and obtain the comprehensive evaluation index of the vehicle : ； The parameters have the following meanings: is the influencing factor of vehicle seismic strength, is the vehicle speed influencing factor, is the driving direction influencing factor, C1 is the constant correction coefficient; According to the vehicle's seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ; The road surface roughness IRI, road surface material parameters , the road surface humidity RH is dimensionless, and the various parameters are correlated to obtain the comprehensive evaluation index of the road surface : ; The parameters have the following meanings: is the road surface humidity influencing factor, is the influencing factor of pavement material, is the influencing factor of road surface flatness, C2 is the constant correction coefficient; Statistics of comprehensive vehicle evaluation indicators under different driving conditions Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level ; Statistics of comprehensive vehicle evaluation indicators under different driving conditions Mean, obtain the standard value of the comprehensive evaluation index of the vehicle , calculate the vehicle's own adjustment weight : ; Statistics of comprehensive evaluation indicators of pavement under different pavement conditions Average, obtain the standard value of comprehensive evaluation index of pavement , calculate the adjustment weight of the road condition : ; According to the comprehensive evaluation index of the vehicle , Comprehensive evaluation index of pavement , the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level ; ; Get the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ; Get the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement : ; Among them, the maximum displacement of the head-up display control system and minimum displacement Determined by the performance of the head-up display control system itself; Calculate the jitter compensation displacement using the PID algorithm , the formula is as follows: ; in, is the proportional gain, is the integral gain, is the differential gain; Get the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle ; Get the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle : ; Among them, the maximum movement angle of the head-up display control system , minimum moving angle Determined by the performance of the head-up display control system itself; Calculate the jitter compensation angle using the PID algorithm , the formula is as follows: 。 2. A head-up display control system, used to implement the method described in claim 1, characterized in that: include: Data acquisition module, which collects vehicle data parameters and road condition parameters. Vehicle data parameters include vehicle seismic strength , vehicle speed , Change of vehicle direction ; Road surface condition parameters include collecting road surface flatness IRI, road surface material parameters , road humidity RH; The first data analysis module is based on the vehicle's anti-seismic strength , vehicle speed and vehicle direction changes Calculate vehicle comprehensive evaluation index , and according to the road surface flatness IRI, road surface material parameters Calculate the comprehensive evaluation index of the road surface by using the road humidity RH ; The second data analysis module counts the comprehensive evaluation indicators of vehicles under different driving conditions. Mean and comprehensive evaluation index of pavement Mean, calculate the vehicle's own adjustment weight and road condition adjustment weights , get the comprehensive road condition jitter level ; Compensation displacement analysis module to obtain the maximum displacement of the head-up display control system , minimum displacement and comprehensive road condition jitter , calculate the jitter displacement , and based on the jitter displacement Calculate the jitter compensation displacement ; Compensation angle analysis module to obtain the maximum movement angle of the head-up display control system , minimum moving angle and comprehensive road condition jitter , calculate the shaking angle , and according to the shaking angle Calculate the shake compensation angle .

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