CN114894138A - Method, system, equipment and storage medium for detecting vertical displacement difference of automobile wheel - Google Patents
Method, system, equipment and storage medium for detecting vertical displacement difference of automobile wheel Download PDFInfo
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- CN114894138A CN114894138A CN202210669278.2A CN202210669278A CN114894138A CN 114894138 A CN114894138 A CN 114894138A CN 202210669278 A CN202210669278 A CN 202210669278A CN 114894138 A CN114894138 A CN 114894138A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The application discloses a method, a system, equipment and a storage medium for detecting vertical displacement difference of an automobile wheel, which are used for acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of the first wheel, the second stress assembly is arranged on a second spring of the second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile; determining a first vertical displacement of the first wheel through a predetermined first functional relationship according to the first stress data; determining a second vertical displacement of the second wheel through a predetermined second functional relationship according to the second stress data; and determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement. The method does not need to change the structure of the automobile, can greatly reduce the detection burden of the vertical displacement difference, and can effectively improve the detection real-time property. The method can be widely applied to the technical field of automobiles.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a method, a system, equipment and a storage medium for detecting vertical displacement difference of automobile wheels.
Background
The automobile wheels are generally provided with damping springs which have the characteristics of extensibility and compression, and can buffer the bounce generated when the automobile passes through an uneven road surface, reduce the bounce amplitude of the automobile, ensure that the wheels are kept in contact with the road surface as much as possible, and be beneficial to the stable running of the automobile.
In the related art, the damping springs of the automobile may cause metal fatigue, and when the difference in the durability of the damping springs of the wheels of the automobile is large, the difference in vertical displacement between the wheels on the left and right sides of the automobile is likely to occur during driving. The vertical displacement difference data is very useful for analyzing the endurance condition of the related parts of the automobile, and can be used for conveniently analyzing the performance of the automobile so as to optimize the problems of the automobile. At present, when detecting the vertical displacement difference of an automobile wheel, a bracing wire displacement sensor, a fixed shaft, a bearing, a fixed disc, a guide rod sucker and other devices are generally arranged at the wheel, and dynamic vertical displacement data of the automobile wheel during running is collected so as to calculate and obtain vertical displacement difference data. However, this implementation requires additional fixing fixtures and sensors, and is complex to install and debug, harsh in the use environment of the related equipment, prone to distortion in the accuracy of the detected data, and high in equipment cost.
In summary, the problems of the related art need to be solved.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
To this end, an object of the embodiments of the present application is to provide a method, a system, a device and a storage medium for detecting a vertical displacement difference of a wheel of an automobile.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the application comprises the following steps:
on one hand, the embodiment of the application provides a method for detecting the vertical displacement difference of the automobile wheels, which comprises the following steps:
acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile;
determining a first vertical displacement of the first wheel through a predetermined first functional relationship according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring;
determining a second vertical displacement of the second wheel through a predetermined second functional relationship according to the second stress data; the second functional relation is used for representing a mathematical relation between the compression displacement of the spring of the second wheel and the stress borne by the second spring;
and determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
In addition, according to the method for detecting the vertical displacement difference of the automobile wheel in the embodiment of the application, the following additional technical features can be provided:
further, in an embodiment of the present application, the first functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring first test stress data detected by the first stress component after the counterweight components are placed each time, and detecting test vertical displacement of the first wheel;
and determining the first functional relation according to the multiple groups of first test stress data and the corresponding test vertical displacement of the first wheel.
Further, in an embodiment of the present application, the second functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring second test stress data detected by the second stress component after the counterweight components are placed each time, and detecting test vertical displacement of the second wheel;
and determining the second functional relation according to the multiple groups of second test stress data and the corresponding test vertical displacement of the second wheel.
Further, in one embodiment of the present application, the first stress assembly includes a first stress tab and a second stress tab; the second stress assembly comprises a third stress sheet and a fourth stress sheet;
the first stress sheet and the second stress sheet are connected by adopting a same-adjacent method, and the third stress sheet and the fourth stress sheet are connected by adopting a same-adjacent method.
Further, in one embodiment of the present application, the method further comprises:
and transmitting the vertical displacement difference of the automobile wheels to a background database for storage.
Further, in one embodiment of the present application, the method further comprises:
and outputting an alarm signal when the vertical displacement difference is larger than a preset threshold value.
Further, the determining a vertical displacement difference of the vehicle wheel according to the first vertical displacement and the second vertical displacement includes:
calculating a difference between the first vertical displacement and the second vertical displacement;
and determining the absolute value of the difference value as the vertical displacement difference of the automobile wheels.
On the other hand, this application embodiment provides the vertical displacement difference detecting system of auto wheel, includes:
the device comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile;
the first processing unit is used for determining a first vertical displacement of the first wheel through a predetermined first functional relation according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring;
the second processing unit is used for determining a second vertical displacement of the second wheel through a predetermined second functional relation according to the second stress data; wherein the second functional relationship is used for representing a mathematical relationship between the spring compression displacement of the second wheel and the stress borne by the second spring;
and the calculating unit is used for determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
In another aspect, an embodiment of the present application provides a computer device, including:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one program causes the at least one processor to implement the method for detecting a vertical displacement difference of a vehicle wheel as described above.
In another aspect, an embodiment of the present application further provides a computer-readable storage medium, in which a program executable by a processor is stored, and the program executable by the processor is used to implement the method for detecting a vertical displacement difference of a wheel of an automobile.
Advantages and benefits of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application:
according to the method, the system, the equipment and the storage medium for detecting the vertical displacement difference of the automobile wheel, first stress data detected by a first stress assembly and second stress data detected by a second stress assembly are obtained; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile; determining a first vertical displacement of the first wheel through a predetermined first functional relationship according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring; determining a second vertical displacement of the second wheel through a predetermined second functional relationship according to the second stress data; wherein the second functional relationship is used for representing a mathematical relationship between the spring compression displacement of the second wheel and the stress borne by the second spring; and determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement. The method determines the vertical displacement of the wheels of the automobile based on the relationship between the stress received by the automobile spring and the compression displacement, so as to detect the vertical displacement difference of the wheels of the automobile. The method does not need to change the structure of the automobile, does not need to additionally increase a large number of clamping auxiliary devices and measuring devices, can greatly reduce the detection burden of vertical displacement difference, can obtain accurate detection data under the condition of low cost, supports data detection of the automobile in the actual walking process, and can effectively improve the detection real-time property.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings of the embodiments of the present application or the related technical solutions in the prior art are described below, it should be understood that the drawings in the following description are only for convenience and clarity of describing some embodiments of the technical solutions of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for detecting a vertical displacement difference of an automobile wheel according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a stress assembly setup provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a computer device provided in an embodiment of the present application.
Detailed Description
The present application is further described with reference to the following figures and specific examples. The described embodiments should not be considered as limiting the present application, and all other embodiments that can be obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present application.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
The automobile wheels are generally provided with damping springs which have the characteristics of extensibility and compression, and can buffer the bounce generated when the automobile passes through an uneven road surface, reduce the bounce amplitude of the automobile, ensure that the wheels are kept in contact with the road surface as much as possible, and be beneficial to the stable running of the automobile.
In the related art, the damping springs of the automobile may cause metal fatigue, and when the difference in the durability of the damping springs of the wheels of the automobile is large, the difference in vertical displacement between the wheels on the left and right sides of the automobile is likely to occur during driving. The vertical displacement difference data is very useful for analyzing the endurance condition of the related parts of the automobile, and can be used for conveniently analyzing the performance of the automobile so as to optimize the problems of the automobile. At present, when detecting the vertical displacement difference of an automobile wheel, a bracing wire displacement sensor, a fixed shaft, a bearing, a fixed disc, a guide rod sucker and other devices are generally arranged at the wheel, and dynamic vertical displacement data of the automobile wheel during running is collected so as to calculate and obtain vertical displacement difference data. However, this implementation requires additional fixing fixtures and sensors, and is complex to install and debug, harsh in the use environment of the related equipment, prone to distortion in the accuracy of the detected data, and high in equipment cost.
In view of this, the present application provides a method for detecting a vertical displacement difference of an automobile wheel, where the method determines a vertical displacement of the automobile wheel based on a relationship between a stress received by an automobile spring and a compressive displacement, so as to detect the vertical displacement difference of the automobile wheel. The method does not need to change the structure of the automobile, does not need to additionally increase a large number of clamping auxiliary devices and measuring devices, can greatly reduce the detection burden of vertical displacement difference, can obtain accurate detection data under the condition of low cost, supports data detection of the automobile in the actual walking process, and can effectively improve the detection real-time property.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for detecting a vertical displacement difference of an automobile wheel according to an embodiment of the present disclosure.
Referring to fig. 1, the method for detecting the vertical displacement difference of the automobile wheel includes, but is not limited to:
in this step, when detecting the vertical displacement difference of the automobile wheels, relevant stress components can be arranged on the two wheels on the same axis of the automobile. Here, the two coaxial wheels are the wheels to be detected with the vertical displacement difference, for example, for a conventional four-wheel automobile, the two wheels here may be located in the front row of the automobile or in the rear row of the automobile, and the application does not limit this. In the embodiment of the application, the two wheels detected with the vertical displacement difference are respectively recorded as a first wheel and a second wheel.
In this application embodiment, in order to realize the poor detection to vertical displacement, need combine some other subassemblies. Specifically, the components are mainly measuring equipment for detecting stress borne by a spring on an automobile wheel, and the basic principle of the components is that the automobile spring is subjected to compression displacement when subjected to axial force, and the spring is simultaneously influenced by torque, bending moment, tangential force and normal force on the cross section of the spring, wherein the tangential force can be measured through the stress detecting equipment; in the elastic range, the tangential force has a linear relationship with the compression displacement of the spring. In the embodiment of the application, a spring on a first wheel is taken as a first spring, and a spring on a second wheel is taken as a second spring; and the component for detecting the stress on the first spring of the first wheel is recorded as a first stress component, and the component for detecting the stress on the second spring of the second wheel is recorded as a second stress component.
Specifically, referring to fig. 2, in the embodiment of the present application, for a set of stress assemblies, another stress sheet may be included, for example, the first stress assembly may include a first stress sheet and a second stress sheet; the second stress assembly may include a third stress tab and a fourth stress tab. The two stress sheets in each group can be connected by the same-adjacent method, for example, the first stress sheet and the second stress sheet are connected by the same-adjacent method, and the third stress sheet and the fourth stress sheet are connected by the same-adjacent method. The included angle direction of the two stress sheets in each group is the same as the direction of the spring. Fig. 2 also includes a simplified equivalent wheatstone bridge diagram, wherein 1 and 2 are the adhered stress pieces, and 3 and 4 are the fixed resistance of the spring, according to which the actual stress data can be determined based on the longitudinal elastic coefficient of the spring.
In the embodiment of the present application, first spring stress data detected by the first stress assembly is recorded as first stress data, and similarly, second spring stress data detected by the second stress assembly is recorded as second stress data.
in this step, for the first wheel, a first vertical displacement of the first wheel may be determined based on a predetermined first functional relationship according to the first stress data. Here, the first functional relationship is used to characterize a mathematical relationship between the vertical displacement of the first wheel and the stress experienced by the first spring. Specifically, the first functional relationship may be detected in advance through experiments.
similarly, for the second wheel, a second vertical displacement of the second wheel may be determined based on a predetermined second functional relationship based on the second stress data. Here, the second functional relationship is used to represent a mathematical relationship between the vertical displacement of the second wheel and the stress applied to the second spring. Specifically, the second functional relationship may also be obtained by experimental detection in advance.
And 140, determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
In this step, after the vertical displacement of the first wheel and the second vertical displacement of the first wheel are determined, the vertical displacement difference of the automobile wheel can be determined according to the first vertical displacement and the second vertical displacement. Specifically, since the left and right wheels may not be compressed upward or stretched downward at the same time when the vehicle travels on a road surface having a left and right height difference, they may have a case where one side is compressed and the other side is stretched, and thus a positive-negative difference may occur in the vertical displacement of the left and right wheels. Therefore, in order to unify the calculation results, in the embodiment of the present application, the difference between the first vertical displacement and the second vertical displacement may be calculated, and then the vertical displacement difference of the vehicle wheel is determined and obtained according to the absolute value of the difference.
Specifically, in some embodiments, the first functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring first test stress data detected by the first stress component after the counterweight components are placed each time, and detecting test vertical displacement of the first wheel;
and determining the first functional relation according to the multiple groups of first test stress data and the corresponding test vertical displacement of the first wheel.
In the embodiment of the application, first functional relation is confirmed, a plurality of configuration components can be obtained in advance, then the different counter weight components of total weight are placed on the automobile in proper order, thereby vertical displacement can appear because of the atress for the first wheel of automobile, at this moment, can place at every turn after the configuration component, the weight of record counter weight component, the stress data that first stress component detected (note first experimental stress data), and detect the vertical displacement of first wheel, note experimental vertical displacement. Therefore, the first test stress data and the corresponding test vertical displacement of the first wheel under the condition of multiple groups of different counterweights can be obtained, and then the first functional relation can be determined according to the first test stress data and the corresponding test vertical displacement of the first wheel. Generally, the force and the length of the spring are in a linear function relationship within the bearable range of the spring. Therefore, in the embodiment of the present application, the formula may be calibrated in advance to be y ═ kx + b; and calculating values of k and b to obtain a first functional relation.
Specifically, in some embodiments, the second functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring second test stress data detected by the second stress component after the counterweight components are placed each time, and detecting test vertical displacement of the second wheel;
and determining the second functional relation according to the multiple groups of second test stress data and the corresponding test vertical displacement of the second wheel.
In the embodiment of the present application, similarly, the second functional relationship may also be determined in the foregoing manner, and a specific implementation procedure of the second functional relationship is substantially consistent with the first functional relationship, which is not described herein again. In particular, in the embodiment of the present application, in order to improve the determination efficiency of the first functional relationship and the second functional relationship, when the same set of weight components is placed, the first test stress data and the corresponding test vertical displacement of the first wheel, and the second test stress data and the corresponding test vertical displacement of the second wheel may be detected simultaneously. It is understood that, in the embodiments of the present application, the specific value of the weight component to be placed can be flexibly changed according to the needs, and the present application does not limit the specific value.
In some embodiments, the method further comprises:
and transmitting the vertical displacement difference of the automobile wheels to a background database for storage.
In the embodiment of the application, after the vertical displacement difference of the automobile wheels is detected, the vertical displacement difference can be transmitted to the background database for storage, so that the automobile can be conveniently and subsequently analyzed, monitored in quality and the like.
In some embodiments, the method further comprises:
and outputting an alarm signal when the vertical displacement difference is larger than a preset threshold value.
In this application embodiment, because the vertical displacement difference of the wheel of car can reflect auto wheel's spring state to a certain extent. Therefore, in order to improve the driving safety of the automobile, a threshold value can be preset, and when the current vertical displacement difference is detected to be larger than the preset threshold value, an alarm signal can be output. Therefore, the wheel state of the automobile can be reflected in real time, and the driving safety of the automobile is greatly improved.
In the embodiment of this application, still provide a poor detecting system of vertical displacement of auto wheel, include:
the device comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile;
the first processing unit is used for determining a first vertical displacement of the first wheel through a predetermined first functional relation according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring;
the second processing unit is used for determining a second vertical displacement of the second wheel through a predetermined second functional relation according to the second stress data; wherein the second functional relationship is used for representing a mathematical relationship between the spring compression displacement of the second wheel and the stress borne by the second spring;
and the calculating unit is used for determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
It can be understood that the contents in the embodiment of the method for detecting the vertical displacement difference of the automobile wheel shown in fig. 1 are all applicable to the embodiment of the system for detecting the vertical displacement difference of the automobile wheel, the functions specifically realized by the embodiment of the system for detecting the vertical displacement difference of the automobile wheel are the same as those in the embodiment of the method for detecting the vertical displacement difference of the automobile wheel shown in fig. 1, and the achieved beneficial effects are the same as those achieved by the embodiment of the method for detecting the vertical displacement difference of the automobile wheel shown in fig. 1.
Referring to fig. 3, an embodiment of the present application further discloses a computer device, including:
at least one processor 201;
at least one memory 202 for storing at least one program;
when the at least one program is executed by the at least one processor 201, the at least one processor 201 may implement the embodiment of the method for detecting a difference in vertical displacement of a wheel of an automobile as shown in fig. 1.
It can be understood that the contents in the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1 are all applicable to the embodiment of the computer device, the functions implemented in the embodiment of the computer device are the same as those in the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1, and the beneficial effects achieved by the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1 are also the same as those achieved by the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1.
The embodiment of the application also discloses a computer-readable storage medium, wherein a program executable by a processor is stored, and the program executable by the processor is used for realizing the embodiment of the method for detecting the vertical displacement difference of the automobile wheel shown in fig. 1 when being executed by the processor.
It can be understood that the contents in the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1 are all applicable to the embodiment of the computer-readable storage medium, the functions implemented in the embodiment of the computer-readable storage medium are the same as those in the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1, and the beneficial effects achieved by the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1 are also the same as those achieved by the embodiment of the method for detecting a difference in vertical displacement of an automobile wheel shown in fig. 1.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flowcharts of the present application are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present application is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in separate physical devices or software modules. It will also be appreciated that a detailed discussion regarding the actual implementation of each module is not necessary for an understanding of the present application. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer, given the nature, function, and internal relationship of the modules. Accordingly, those skilled in the art can, using ordinary skill, practice the present application as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the application, which is defined by the appended claims and their full scope of equivalents.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the foregoing description of the specification, reference to the description of "one embodiment/example," "another embodiment/example," or "certain embodiments/examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
While the present application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims
In the description herein, references to the description of the term "one embodiment," "another embodiment," or "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The method for detecting the vertical displacement difference of the automobile wheels is characterized by comprising the following steps of:
acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile;
determining a first vertical displacement of the first wheel through a predetermined first functional relationship according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring;
determining a second vertical displacement of the second wheel through a predetermined second functional relationship according to the second stress data; wherein the second functional relationship is used for representing a mathematical relationship between the spring compression displacement of the second wheel and the stress borne by the second spring;
and determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
2. The method of detecting vertical displacement differences of vehicle wheels according to claim 1, wherein the first functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring first test stress data detected by the first stress component after the counterweight components are placed each time, and detecting test vertical displacement of the first wheel;
and determining the first functional relation according to the multiple groups of first test stress data and the corresponding test vertical displacement of the first wheel.
3. The method of detecting vertical displacement differences of vehicle wheels according to claim 1, wherein the second functional relationship is determined by:
placing counterweight components with different weights on an automobile for multiple times, acquiring second test stress data detected by the second stress component after the counterweight components are placed each time, and detecting test vertical displacement of the second wheel;
and determining the second functional relation according to the multiple groups of second test stress data and the corresponding test vertical displacement of the second wheel.
4. The method for detecting vertical displacement difference of automobile wheels according to any one of claims 1-3, wherein the first stress assembly comprises a first stress sheet and a second stress sheet; the second stress assembly comprises a third stress sheet and a fourth stress sheet;
the first stress sheet and the second stress sheet are connected by adopting a same-adjacent method, and the third stress sheet and the fourth stress sheet are connected by adopting a same-adjacent method.
5. The method of detecting vertical differential displacement of an automotive wheel as set forth in claim 1, further comprising:
and transmitting the vertical displacement difference of the automobile wheels to a background database for storage.
6. The method of detecting vertical differential displacement of an automotive wheel as set forth in claim 1, further comprising:
and outputting an alarm signal when the vertical displacement difference is larger than a preset threshold value.
7. The method of claim 1, wherein determining the difference in vertical displacement of the vehicle wheel based on the first vertical displacement and the second vertical displacement comprises:
calculating a difference between the first vertical displacement and the second vertical displacement;
and determining the absolute value of the difference value as the vertical displacement difference of the automobile wheels.
8. Poor detecting system of auto wheel vertical displacement, its characterized in that includes:
the device comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring first stress data detected by a first stress assembly and second stress data detected by a second stress assembly; the first stress assembly is arranged on a first spring of a first wheel, the second stress assembly is arranged on a second spring of a second wheel, and the first wheel and the second wheel are two wheels which are positioned on the same axis of the automobile;
the first processing unit is used for determining a first vertical displacement of the first wheel through a predetermined first functional relation according to the first stress data; the first functional relation is used for representing a mathematical relation between the vertical displacement of the first wheel and the stress borne by the first spring;
the second processing unit is used for determining a second vertical displacement of the second wheel through a predetermined second functional relation according to the second stress data; wherein the second functional relationship is used for representing a mathematical relationship between the spring compression displacement of the second wheel and the stress borne by the second spring;
and the calculating unit is used for determining the vertical displacement difference of the automobile wheels according to the first vertical displacement and the second vertical displacement.
9. A computer device, comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the method of detecting differences in vertical displacement of vehicle wheels as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium in which a program executable by a processor is stored, characterized in that: the processor executable program when executed by a processor is for implementing a method of detecting a difference in vertical displacement of a vehicle wheel as claimed in any one of claims 1 to 7.
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| CN203881541U (en) * | 2014-04-16 | 2014-10-15 | 浙江吉利控股集团有限公司 | Measuring device |
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| CN203881541U (en) * | 2014-04-16 | 2014-10-15 | 浙江吉利控股集团有限公司 | Measuring device |
| JP2017181061A (en) * | 2016-03-28 | 2017-10-05 | 新日鐵住金株式会社 | Measuring method and device for vertical creep force between wheel of railway vehicle and rail |
| CN106524967A (en) * | 2016-11-07 | 2017-03-22 | 重庆理工大学 | Automotive wheel center actual driving displacement measuring and extracting method |
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