CN110333782B - Headlight irradiation angle adjusting method and system - Google Patents
Headlight irradiation angle adjusting method and system Download PDFInfo
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- CN110333782B CN110333782B CN201910556254.4A CN201910556254A CN110333782B CN 110333782 B CN110333782 B CN 110333782B CN 201910556254 A CN201910556254 A CN 201910556254A CN 110333782 B CN110333782 B CN 110333782B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005286 illumination Methods 0.000 claims description 18
- 238000004422 calculation algorithm Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000015654 memory Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a height adjusting method and a system for a headlight. The method comprises the steps that a first gesture track is preset on a touch screen, at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals; acquiring a second gesture track formed by sliding on the touch screen; and when the second gesture track is identified to be matched with the first gesture track, switching from the first gear node to the second gear node is displayed on the touch screen, and the adjustment operation of the headlamp irradiation angle corresponding to the second gear node is executed. Correspondingly, the invention also discloses a headlight height adjusting system; the headlamp irradiation angle adjustment is realized on the touch screen, the science and technology sense is strong, the selection of gesture tracks is flexible, the acquisition efficiency is improved, the misoperation is prevented, and the safety level is improved.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to a headlight irradiation angle adjusting method and a headlight irradiation angle adjusting system.
Background
The function of the vehicle headlight is to provide illumination for the vehicle driver at night or other low visibility conditions and to prevent glare from the headlight to the driver and passers-by. In order to meet the requirements, the headlight of the vehicle is provided with two working modes of low beam and high beam, the high beam illumination is used when no vehicle comes in front or other vehicles are not trailing, the low beam illumination is used when the vehicles meet or other vehicles are trailing,
the headlight irradiation angle is adjusted so that danger is avoided by adjusting the headlight irradiation angle so as to obtain an optimum irradiation distance. The safety car lamp is provided, and the angle of the headlight is regulated by an electric motor generally, so that the optimal irradiation distance is obtained, and the danger in running is avoided.
The headlight irradiation angle adjusting method in the prior art is roughly divided into two types: 1) The entity switch adjusts the irradiation angle of the headlight, for example, the idler wheel is adjusted, the idler wheel is marked with digital gears, the digital height represents the height of the irradiation angle of the headlight, and the higher the digital value is, the higher the irradiation angle of the headlight is, and the larger the irradiation distance is; the method lacks a sense of science and technology, and has high layout requirements of the physical adjustment device and high cost. 2) And the point contact type regulating headlight is turned on and off, such as the headlight. The method does not comprise headlight angle adjustment, and the touch type operation gesture is simple, is easy to operate by mistake, is easy to fail, and is low in safety.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, a method for physically adjusting the irradiation angle of a headlight lacks a sense of science and technology, a physical adjusting device has high layout requirement and high cost, and a method for adjusting the irradiation height of the headlight in a point-contact manner belongs to a simple operation gesture, is easy to operate by mistake, is easy to fail and has low safety.
In order to solve the technical problems, the invention discloses a headlight irradiation angle adjusting method and a headlight irradiation angle adjusting system. The method comprises the following steps:
presetting a first gesture track on a touch screen, wherein at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals;
acquiring a second gesture track formed by sliding on the touch screen;
and when the second gesture track is identified to be matched with the first gesture track, switching from the first gear node to the second gear node is displayed on the touch screen, and the adjustment operation of the headlamp irradiation angle corresponding to the second gear node is executed. Optionally, identifying that the second gesture track matches the first gesture track includes:
presetting a first characteristic data set corresponding to the first gesture track;
acquiring a second characteristic data set corresponding to the second gesture track;
and comparing the second characteristic data set with the first characteristic data set, wherein at least two comparison algorithms are used for comparing the second characteristic data set with the first characteristic data set, the comparison result of the second characteristic data set and the first characteristic data set is obtained through calculation of the comparison algorithm, and when the comparison results meet comparison requirements, the second gesture track is matched with the first gesture track.
Optionally, a time threshold is preset, the time threshold is the shortest time value formed by the first gesture track, a first time value actually formed by the first gesture track is detected, the first time value is compared with the time threshold, when the first time value exceeds the time threshold, an operation of obtaining the second characteristic data set is performed, otherwise, the touch screen is displayed in the state of the first gear node, and an adjustment operation of the headlamp irradiation angle corresponding to the first gear node is performed.
Optionally, a movable hover node is preset on the first gesture track, when the hover node recognizes a touch action, the hover node is displayed at a recognition position on the touch screen, a center of the hover node can move on the first gesture track along a sliding direction and leave a moving trace, and when the hover node does not recognize the touch action and the sliding action is finished, the hover node is hidden on the touch screen.
Optionally, the first gesture track is a curve, an arc line or a line segment with an included angle with a preset direction, and when the headlight irradiation angle adjustment operation of a certain gear is executed, the gear node corresponds to a preset display state.
A headlamp illumination angle adjustment system, the system comprising:
the touch screen comprises a preset unit, a first gesture track and a second gesture track, wherein the preset unit is used for presetting a first gesture track on the touch screen, at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals;
the acquisition unit is used for acquiring a second gesture track formed by sliding any section between the first gear node and the second gear node on the touch screen;
a computing unit, configured to identify whether the second gesture track matches the first gesture track;
the execution unit is used for displaying the state of switching from the first gear node to the second gear node on the touch screen when the second gesture track is identified to be matched with the first gesture track, and executing the adjustment operation of the headlamp irradiation angle corresponding to the second gear node; and when the second gesture track is not matched with the first gesture track, displaying the state of the first gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node.
Optionally, the calculating unit includes at least two comparing units and a judging unit, the comparing unit includes a comparing algorithm, according to a first feature data set corresponding to the preset first gesture track and a second feature data set corresponding to the acquired second gesture track, a comparison result of the second feature data set and the first feature data set is obtained through calculation by the comparing unit, and the judging unit is used for judging whether the comparison result meets a comparison requirement.
Optionally, the system further includes a time detection unit, configured to, according to a preset time threshold, obtain, by using a time obtaining unit, a first time value actually formed by the second gesture track, compare, by using a time judging unit, the first time value with the time threshold, and when the first time value exceeds the time threshold, perform an operation of obtaining a second feature data set, and otherwise, perform a headlight irradiation angle adjustment operation corresponding to the first gear node.
Optionally, the preset unit includes a hover node preset unit, configured to preset a movable hover node on the first gesture track, when the hover node identifies a touch action, display the hover node at an identified position on the touch screen, where a center of the hover node can move along a sliding direction on the first gesture track and leave a moving trace, and when the hover node does not identify the touch action and ends the sliding action, hide the hover node on the touch screen.
Optionally, the preset unit includes a gesture preset unit and a gear joint node preset unit, where the first gesture track in the gesture preset unit is a curve, an arc line or a line segment with an included angle with a preset direction, and when the gear node in the gear node preset unit executes a headlight irradiation angle adjustment operation of a certain gear, the gear node corresponds to a preset display state.
By adopting the technical scheme, the invention has the following beneficial effects:
1) According to the embodiment of the invention, the headlamp irradiation angle adjustment is carried out on the touch screen, the virtual adjustment replaces the physical adjustment, the science and technology sense is strong, the first gear marks and the second gear marks are arranged at the two ends of the first gesture track section, the operation is visual and natural, the obtained first gesture track can be any section of gesture track from the first gear mark to the second gear mark, the selection of the first gesture track is flexible, the time for obtaining the first gesture track is saved, and the obtaining efficiency is improved;
2) And when the second characteristic data set and the first characteristic data set are compared, at least two comparison algorithms are used, and the at least two comparison algorithms enable the comparison of the first gesture track and the second gesture track to be more accurate.
3) The floating node enables a user to intuitively see the sliding progress,
drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing steps of a method for adjusting a headlamp illumination angle according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for adjusting the illumination angle of a headlight according to an embodiment of the invention;
FIG. 3 is a flow chart of a method for adjusting a headlamp illumination angle including a time threshold according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a headlight illumination angle adjustment system according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a headlight illumination angle adjustment system including a time threshold according to an embodiment of the invention;
FIG. 6 is a schematic diagram of an application scenario of a headlight illumination angle adjustment method according to an embodiment of the invention;
fig. 7 is a schematic diagram of an application scenario including traces of a headlight irradiation angle adjustment method according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The embodiment provides a headlight irradiation angle adjusting method, which comprises the following implementation steps of referring to fig. 1, specifically:
s1, presetting a first gesture track on a touch screen, wherein at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals;
s2, acquiring a second gesture track formed by sliding on the touch screen;
and S3, when the second gesture track is identified to be matched with the first gesture track, displaying switching from the first gear node to the second gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the second gear node.
In some embodiments, the method implementation steps refer to fig. 2, specifically:
s1', presetting a first gesture track on a touch screen, wherein at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals;
s2', acquiring a second gesture track formed by sliding any section between a first gear node and a second gear node on the touch screen;
s3', when the second gesture track is identified to be matched with the first gesture track, displaying a state of switching from the first gear node to the second gear node on the touch screen, and executing adjustment operation of the headlamp irradiation angle corresponding to the second gear node;
and S3', when the second gesture track is not matched with the first gesture track, displaying the state of the first gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node.
The second gesture track is a gesture track from the first gear node to the second gear node on the touch screen, a gesture track from the first gear node to any point between the first gear node and the second gear node, or a gesture track from the first gear node to any point between the second gear node to the second gear node.
In some embodiments, when the headlight irradiation angle adjustment operation is not performed, the first gear node and the second gear node are displayed in a dark state, and when the headlight irradiation angle adjustment of the first gear node is performed, the first gear node is different from the display state of the second gear node, further, the first gear node is in a lit state, the second gear node is in a dark state or the first gear mark is displayed in red, and the second gear node is in a dark state, but not limited thereto.
By adopting the embodiment of the invention, virtual adjustment replaces physical adjustment, the science and technology sense is strong, the first gear mark and the second gear mark are arranged at the two ends of the first gesture track section, the operation is visual and natural, the obtained first gesture track can be any section of gesture track from the first gear mark to the second gear mark, the selection of the first gesture track is flexible, the time for obtaining the first gesture track is saved, and the obtaining efficiency is improved.
In some embodiments, identifying whether the second gesture track matches the first gesture track may specifically include:
presetting a first characteristic data set corresponding to the first gesture track;
acquiring a second characteristic data set corresponding to the second gesture track;
comparing the second characteristic data set with the first characteristic data set, wherein at least two comparison algorithms are used for comparing the second characteristic data set with the first characteristic data set, and the comparison result of the second characteristic data set and the first characteristic data set is obtained through calculation of the comparison algorithm;
when the comparison results meet the comparison requirement, the second gesture track is matched with the first gesture track, and the headlight irradiation angle adjusting operation corresponding to the second gear node is executed;
and when the comparison result does not meet the comparison requirement, the second gesture track is not matched with the first gesture track, and the headlight irradiation angle adjusting operation corresponding to the second gear node is executed.
Further, the alignment algorithm may be a vector alignment algorithm or a fitting alignment algorithm.
Further, the first feature data set may be, but not limited to, coordinates of a point on the first gesture track, a length of the first gesture track segment, or a curvature corresponding to the point on the first gesture track.
And the at least two comparison algorithms enable the comparison of the first gesture track and the second gesture track to be more accurate and the security level to be higher.
In an optional embodiment, before acquiring the second feature data set corresponding to the second gesture track, the steps further include:
and presetting a time threshold which is the shortest time value formed by the first gesture track.
And acquiring a first time value actually formed by the second gesture track, comparing the first time value with the time threshold, and performing an operation of acquiring a second characteristic data set when the first time value exceeds the time threshold, otherwise, displaying the second characteristic data set on the touch screen as a state of the first gear node, and performing an operation of adjusting the irradiation angle of the headlight corresponding to the first gear node.
By adopting the embodiment of the invention, when a user touches the touch screen carelessly, the characteristic data that the gesture operation time of the user is too short is detected, the operation of acquiring the second characteristic data set is not performed, misoperation is prevented, and in the forming process, improper headlight irradiation angle gear adjustment operation is prevented from being performed suddenly, so that the driving safety is influenced.
In some embodiments, a method for adjusting a headlamp irradiation angle is implemented by referring to fig. 3, specifically:
s1', a first gesture track is preset on a touch screen, at least two gear nodes are preset on the first gesture track, the gear nodes are arranged at intervals, a time threshold and a first characteristic data set corresponding to the first gesture track are preset, and the time threshold is the shortest time value formed by the first gesture track;
s2', acquiring a first time value, the time at which the first gesture track is actually formed,
the second gesture track and the second characteristic data set corresponding to the second gesture track; the second gesture track may be any gesture track between the first gear mark and the second gear mark;
s3', comparing the first time value with the time threshold, and when the first time value exceeds the time threshold, performing an operation of acquiring a second characteristic data set
S4', comparing the first time value with the time threshold, displaying the state of the first gear node on the touch screen when the first time value does not exceed the time threshold, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node
S5', comparing the second characteristic data set with the first characteristic data set, wherein at least two comparison algorithms are used for comparing the second characteristic data set with the first characteristic data set, the comparison result of the second characteristic data set and the first characteristic data set is obtained through calculation of the comparison algorithm,
s6', when the comparison results meet the comparison requirement, the second gesture track is matched with the first gesture track, the state of switching from the first gear node to the second gear node is displayed on the touch screen, and the adjustment operation of the headlamp irradiation angle corresponding to the second gear node is executed;
and S7', when the comparison result does not meet the comparison requirement, the second gesture track is not matched with the first gesture track, the touch screen is displayed in the state of the first gear node, and the adjustment operation of the headlamp irradiation angle corresponding to the first gear node is executed.
In some embodiments, the method comprises:
and when the floating node does not recognize the touch action and the sliding action is finished, hiding the floating node on the touch screen.
Further, the first gesture track is a curve, an arc line or a line segment with an included angle with the preset direction.
The touch screen comprises a first direction capacitor and a second direction capacitor, the first direction capacitor is perpendicular to the second direction capacitor, the first gesture track is a line segment with an included angle in a preset direction, the preset direction is the direction of the first direction capacitor or the direction of the second direction capacitor, and when a certain point in the first direction capacitor or the second direction capacitor, a certain row along the first direction and a certain column along the second direction are damaged, the collection of a second characteristic data value group at other positions and the corresponding headlight irradiation angle adjusting operation are not affected.
Further, the comparison requirement is that the first characteristic data set corresponds to the second characteristic data set one by one or that the characteristic data in the first characteristic data set corresponds to more than 70% of the characteristic data in the second characteristic data set one by one.
The invention also provides a headlight irradiation angle adjusting system which can realize all the steps in the embodiment.
In some embodiments, referring to fig. 4, the details are as follows:
the touch screen comprises a preset unit, a first gesture track and a second gesture track, wherein the preset unit is used for presetting a first gesture track on the touch screen, at least two gear nodes are preset on the first gesture track, and the gear nodes are arranged at intervals;
the acquisition unit is used for acquiring a second gesture track formed by sliding any section between the first gear node and the second gear node on the touch screen;
a computing unit, configured to identify whether the second gesture track matches the first gesture track;
the execution unit is used for displaying the state of switching from the first gear node to the second gear node on the touch screen when the second gesture track is identified to be matched with the first gesture track, and executing the adjustment operation of the headlamp irradiation angle corresponding to the second gear node; and when the second gesture track is not matched with the first gesture track, displaying the state of the first gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node.
In some embodiments, when the headlight irradiation angle adjustment operation is not performed, the first gear node and the second gear node are displayed in a dark state, and when the headlight irradiation angle adjustment of the first gear node is performed, the first gear node is different from the display state of the second gear node, further, the first gear node is in a lit state, the second gear node is in a dark state or the first gear mark is displayed in red, and the second gear node is in a dark state, but not limited thereto.
In some embodiments, referring to fig. 5, further, the calculating unit includes at least two comparing units and a judging unit, where the comparing unit includes a comparing algorithm, and the judging unit is configured to judge whether the comparing result meets a comparison requirement according to a first feature data set corresponding to the preset first gesture track and a second feature data set corresponding to the acquired second gesture track, where the comparing result of the second feature data set and the first feature data set is obtained by the comparing unit.
Further, the system further includes a time detection unit, configured to, according to a preset time threshold, obtain, by using a time obtaining unit, a first time value actually formed by the second gesture track, compare, by using a time judging unit, the first time value with the time threshold, and when the first time value exceeds the time threshold, perform an operation of obtaining a second feature data set, and otherwise, perform a headlight irradiation angle adjustment operation corresponding to the first gear node.
Further, the preset unit includes a hover node preset unit, configured to preset a movable hover node on the first gesture track, when the hover node identifies a touch action, display the hover node at an identification position on the touch screen, where a center of the hover node can move along a sliding direction on the first gesture track and leave a moving trace, and when the hover node does not identify the touch action and ends the sliding action, hide the hover node on the touch screen.
Further, the preset unit comprises a gesture preset unit and a gear joint node preset unit, wherein the first gesture track in the gesture preset unit is a curve, an arc line or a line segment with an included angle with a preset direction, and the gear joint node in the gear joint preset unit corresponds to a preset display state when executing headlamp irradiation angle adjustment operation of a certain gear.
Referring to fig. 6, a schematic diagram of an application scenario of a headlight illumination angle adjustment method according to an embodiment of the invention is shown.
In this embodiment, the first gesture track has 4 gear nodes.
Fourth gear node position: 1 grade, corresponding headlight irradiation angle adjustment operation: adjusted to a headlight beam of about 0.87 ° to the ground;
third gear node position: 2, corresponding headlight irradiation angle adjusting operation: adjusted to a headlight beam of about 1.74 ° to the ground;
second gear node position: 3, corresponding headlight irradiation angle adjusting operation: the height of the headlight irradiation beam is adjusted to be about 2.61 degrees with the ground;
first gear node position: 0 th gear, corresponding headlight irradiation angle adjusting operation: initial position of the headlight.
When the first gesture track is touched, a touch action is recognized, a floating node is displayed and slides on the first gesture track on the touch screen, the floating node moves along with the sliding action and leaves a trace shown in fig. 7, and when the sliding time is detected to meet a threshold value, the gesture track and the gesture feature data set are acquired.
The height of the current headlight is 1 grade, the headlight slides on a first gesture track on the touch screen, the height of the headlight is adjusted from 1 grade to 2 grade, if the data comparison result of the current operation in the calculator is successful, the operation is effective, the 2 grade mark display state is in a lighting state, and the 1 grade is in a dark state; if not, the operation is invalid, the 1 st gear sign display state is a lighting state, and the 2 nd gear is a dark state.
From the above description of the embodiments, it will be clear to those skilled in the art that the present invention may be implemented by means of software plus necessary general purpose hardware, or of course by means of special purpose hardware, including integrated circuits, special purpose CPUs, special purpose memories, special purpose components, ECU electronic controllers, etc. The electronic controller for identifying whether the second gesture track matches the first gesture track has a functional security level greater than or equal to ASIL class B, which is defined by functional security standard ISO 26262. Generally, the functions performed by the computer program may be easily implemented by corresponding hardware, and the specific hardware structure for implementing the same function may be various, for example, analog circuits, digital circuits, or dedicated circuits, etc., but the technical solution of the present invention may be embodied essentially or portions contributing to the prior art in the form of a software product, where the computer software product is stored in a readable storage medium, such as a floppy disk, a usb disk, a removable hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk of a computer, etc., and includes several instructions for causing a computer device (which may be a personal computer, a touch panel, a server, or a network device, etc.) to perform the methods described in the embodiments of the present invention.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A headlamp irradiation angle adjusting method, characterized by comprising:
presetting a first gesture track on a touch screen, wherein at least two gear nodes are preset on the first gesture track, the gear nodes are arranged at intervals, the at least two gear nodes comprise a first gear node and a second gear node, and the first gear node and the second gear node respectively correspond to different headlight irradiation angle adjustment operations;
acquiring a second gesture track formed by sliding on the touch screen;
when the second gesture track is identified to be matched with the first gesture track, displaying switching from the first gear node to the second gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the second gear node;
when the second gesture track is not matched with the first gesture track, displaying a state of a first gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node; the second gesture track is a gesture track sliding from the first gear node to the second gear node on the touch screen, and the gesture track starts from the first gear node to any point between the first gear node and the second gear node, or the gesture track starts from the first gear node to any point between the second gear node and the second gear node.
2. The headlamp illumination angle adjustment method according to claim 1, wherein identifying that the second gesture track matches the first gesture track comprises:
presetting a first characteristic data set corresponding to the first gesture track;
acquiring a second characteristic data set corresponding to the second gesture track;
and comparing the second characteristic data set with the first characteristic data set, wherein at least two comparison algorithms are used for comparing the second characteristic data set with the first characteristic data set, the comparison result of the second characteristic data set and the first characteristic data set is obtained through calculation of the comparison algorithm, and when the comparison results meet comparison requirements, the second gesture track is matched with the first gesture track.
3. A headlamp irradiation angle adjusting method according to claim 2, comprising: presetting a time threshold, wherein the time threshold is the shortest time value formed by the first gesture track, detecting a first time value actually formed by the second gesture track, comparing the first time value with the time threshold, and when the first time value exceeds the time threshold, performing an operation of acquiring a second characteristic data set, otherwise, displaying the touch screen as being in the state of the first gear node, and executing an operation of adjusting the headlamp irradiation angle corresponding to the first gear node.
4. The method for adjusting the illumination angle of a headlight according to claim 1, wherein a movable hover node is preset on the first gesture track, the hover node is displayed at an identification position on a touch screen when the hover node identifies a touch action, the center of the hover node can move along a sliding direction on the first gesture track and a moving trace is left, and the hover node is hidden on the touch screen when the hover node does not identify the touch action and the sliding action is finished.
5. The headlamp irradiation angle adjusting method according to claim 1, wherein: and the first gesture track is a curve, an arc line or a line segment with an included angle with the preset direction, and when the headlamp irradiation angle adjusting operation of a certain gear is executed, the gear node corresponds to a preset display state.
6. A headlight illumination angle adjustment system, characterized in that:
the device comprises a presetting unit, a touch screen and a control unit, wherein the presetting unit is used for presetting a first gesture track on the touch screen, at least two gear nodes are preset on the first gesture track, the gear nodes are arranged at intervals, the at least two gear nodes comprise a first gear node and a second gear node, and the first gear node and the second gear node respectively correspond to different headlight irradiation angle adjustment operations;
the acquisition unit is used for acquiring a second gesture track formed by sliding on the touch screen;
a computing unit, configured to identify whether the second gesture track matches the first gesture track;
the execution unit is used for displaying the state of switching from the first gear node to the second gear node on the touch screen when the second gesture track is identified to be matched with the first gesture track, and executing the adjustment operation of the headlamp irradiation angle corresponding to the second gear node; when the second gesture track is not matched with the first gesture track, displaying a state of a first gear node on the touch screen, and executing the adjustment operation of the headlamp irradiation angle corresponding to the first gear node; the second gesture track is a gesture track sliding from the first gear node to the second gear node on the touch screen, and the gesture track starts from the first gear node to any point between the first gear node and the second gear node, or the gesture track starts from the first gear node to any point between the second gear node and the second gear node.
7. The headlamp illumination angle adjustment system according to claim 6, wherein: the computing unit at least comprises two comparison units and a judging unit, wherein the comparison unit comprises a comparison algorithm, and the judging unit is used for judging whether the comparison result meets comparison requirements or not according to a first characteristic data set corresponding to the preset first gesture track and a second characteristic data set corresponding to the acquired second gesture track.
8. A headlamp illumination angle adjustment system according to claim 7, wherein: the system further comprises a time detection unit, a time acquisition unit and a time judgment unit, wherein the time detection unit is used for acquiring a first time value actually formed by the second gesture track according to a preset time threshold, the time threshold is the shortest time value formed by the first gesture track, the first time value is compared with the time threshold through the time judgment unit, when the first time value exceeds the time threshold, the operation of acquiring a second characteristic data set is carried out, and otherwise, the headlamp irradiation angle adjustment operation corresponding to the first gear node is executed.
9. The headlamp illumination angle adjustment system according to claim 6, wherein: the preset unit comprises a floating node preset unit, wherein the floating node preset unit is used for presetting a movable floating node on the first gesture track, when the floating node identifies a touch action, the floating node is displayed at an identification position on the touch screen, the center of the floating node can move on the first gesture track along the sliding direction and leave a moving trace, and when the floating node does not identify the touch action and the sliding action is finished, the floating node is hidden on the touch screen.
10. The headlamp illumination angle adjustment system according to claim 6, wherein: the gear node presetting unit comprises a gesture presetting unit and a gear joint node presetting unit, wherein the first gesture track in the gesture presetting unit is a curve, an arc line or a line segment with an included angle with a preset direction, and the gear node in the gear node presetting unit corresponds to a preset display state when executing headlamp irradiation angle adjusting operation of a certain gear.
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