CN115219178A - Structure modulation system and method of steering wheel vibration absorber and storage medium - Google Patents
Structure modulation system and method of steering wheel vibration absorber and storage medium Download PDFInfo
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- CN115219178A CN115219178A CN202210835760.9A CN202210835760A CN115219178A CN 115219178 A CN115219178 A CN 115219178A CN 202210835760 A CN202210835760 A CN 202210835760A CN 115219178 A CN115219178 A CN 115219178A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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Abstract
The application relates to the technical field of vehicles, in particular to a structure modulation system, a method and a storage medium of a steering wheel vibration absorber, wherein the system comprises: the testing component is used for performing sine frequency sweep testing on the steering wheel vibration absorber to be tested; the acquisition component is used for acquiring actual test parameters of the steering wheel vibration absorber to be tested; and the modulator is used for controlling the test component to test according to the test sine signal, calculating the actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is inconsistent with the resonance frequency of the steering wheel, and obtaining the final structure of the steering wheel vibration absorber to be tested until the actual modal frequency is consistent with the resonance frequency. Therefore, the problems that in the related art, the final structure of the vibration absorber cannot be quickly and accurately determined in the research and development stage due to the fact that the modal frequency of the vibration absorber is tested through a real vehicle, the efficiency is low, the cost is high, the reliability of a test result is low and the like are solved.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and in particular, to a system and a method for modulating a structure of a steering wheel vibration absorber, and a storage medium.
Background
With the development of automobile technology, the requirement of users on the comfort level of the automobile is improved, so that the proportion of the comfort in the automobile in the performance of the automobile is improved. The steering wheel is an accessory which is necessary for driving of an automobile and is in direct contact with the body of a driver, so that the vibration of the steering wheel can directly influence the experience of the driver and is an important factor of comfort.
Since the resonance of the steering wheel at the modal point is one of the main causes of the steering wheel vibration, in the related art, a Driver Air Bag (DAB) may be used as a dynamic vibration absorber to suppress the vibration of the steering wheel.
However, the method for identifying the mode of the dynamic vibration absorber based on DAB only can verify the effect based on real vehicle matching, but cannot accurately obtain the frequency of the Damper (vibration absorber), and requires much labor and time to try and error, so that the method cannot be applied to identification of the steering wheel DAB Damper mode in the early development stage.
Disclosure of Invention
The application provides a structure modulation system and method of a steering wheel vibration absorber and a storage medium, which are used for solving the problems that the final structure of the dynamic vibration absorber cannot be quickly and accurately determined in the research and development stage due to poor accuracy caused by the fact that the modal frequency of the dynamic vibration absorber is usually tested through a real vehicle in the related technology, the efficiency is low, the cost is high, the reliability of the finally determined structure is low, and the like.
An embodiment of a first aspect of the present application provides a structural modulation system of a steering wheel vibration absorber, including: the testing component is used for performing sine frequency sweep testing on the steering wheel vibration absorber to be tested; the acquisition component is used for acquiring actual test parameters of the steering wheel vibration absorber to be tested; and the modulator is used for controlling the test component to test according to the test sinusoidal signal, calculating the actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is inconsistent with the resonance frequency of the steering wheel, and obtaining the final structure of the steering wheel vibration absorber to be tested until the actual modal frequency is consistent with the resonance frequency.
Optionally, the test assembly comprises: the test device comprises a clamp block body, a test device and a test device, wherein the to-be-tested steering wheel vibration absorber is arranged at a first preset position on the upper surface of the clamp block body; and the excitation platform is arranged on the lower surface of the clamp block body and is used for carrying out frequency sweep test according to the input test sine signal.
Optionally, the excitation stage comprises: each air spring is arranged at a second preset position corresponding to the lower surface of the clamp block body; and the vibration exciter is arranged at a third preset position on the lower surface of the clamp block body and is used for carrying out frequency sweeping test according to the input test sine signal.
Optionally, the clamp block body comprises: the vibration testing device comprises a first combined clamp block, a second combined clamp block, a third combined clamp block and a to-be-tested steering wheel vibration absorber, wherein the second combined clamp block is arranged at a fourth preset position on the upper surface of the first combined clamp block, the third combined clamp block is arranged at a fifth preset position of the second combined clamp block, and the to-be-tested steering wheel vibration absorber is arranged at a first preset position of the third combined clamp block.
Optionally, the collection assembly comprises: the three-direction acceleration sensor is used for detecting the space acceleration of the steering wheel vibration absorber to be tested during testing; and the data acquisition unit is used for acquiring the spatial acceleration detected by the three-way acceleration sensor.
Optionally, the structural modulation system of the steering wheel vibration absorber further comprises: a power amplifier for amplifying the test sinusoidal signal.
In a second aspect of the present invention, there is provided a method for modulating a structure of a steering wheel vibration absorber, where the method is applied to a system for modulating a structure of a steering wheel vibration absorber according to the above embodiments, and the method includes the following steps: acquiring a test sine signal; controlling the testing component to perform sine frequency sweep testing on the steering wheel vibration absorber to be tested according to the testing sine signal, and acquiring actual testing parameters of the steering wheel vibration absorber to be tested; and calculating the actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, and modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is inconsistent with the resonance frequency of the steering wheel until the actual modal frequency is consistent with the resonance frequency to obtain the final structure of the steering wheel vibration absorber to be tested.
Embodiments of a third aspect of the present application provide a computer-readable storage medium, on which a computer program is stored, the program being executed by a processor for implementing the method for modulating the structure of a steering wheel vibration absorber according to the above embodiments.
Therefore, the application has at least the following beneficial effects:
the method for testing the steering wheel vibration absorber can accurately identify the modal frequency of the steering wheel vibration absorber by using a sine frequency sweep testing method, so that the final structure of the steering wheel vibration absorber can be quickly and accurately determined, the determination efficiency of the structure of the steering wheel vibration absorber is improved, the testing cost in the research and development stage is reduced, the reliability of the final determined structure is improved, and the use experience of a user is improved. Therefore, the technical problems that the final structure of the dynamic vibration absorber cannot be quickly and accurately determined in the research and development stage, the efficiency is low, the cost is high, the reliability of the finally determined structure is low and the like due to poor accuracy caused by the fact that the modal frequency of the dynamic vibration absorber is generally tested through a real vehicle in the related technology are solved.
Additional aspects and advantages 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.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
figure 1 is an example diagram of a structural modulation system of a steering wheel vibration absorber provided in accordance with an embodiment of the present application;
fig. 2 is a schematic structural diagram of a structural modulation system of a steering wheel vibration absorber according to an embodiment of the present application;
fig. 3 is a schematic structural design diagram of a structural modulation system of a steering wheel vibration absorber according to an embodiment of the present application;
fig. 4 is a flowchart of a method for modulating the structure of a steering wheel vibration absorber according to an embodiment of the present application.
Description of reference numerals:
the device comprises a first combined clamp block 1, a second combined clamp block 2, a third combined clamp block 3, a steering wheel vibration absorber 4, an air spring 5, a vibration exciter 6, a power amplifier 7, a three-way acceleration sensor 8, a data collector 9, a computer 10, a structural modulation system 100 of the steering wheel vibration absorber, a test component 110, a collection component 120 and a modulator 130.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.
A structure modulating system, method, and storage medium of a steering wheel vibration absorber according to an embodiment of the present application are described below with reference to the accompanying drawings. The method comprises the steps of testing the modal frequency of the dynamic vibration absorber through a real vehicle in the related art mentioned in the background technology, wherein the accuracy is poor, the final structure of the dynamic vibration absorber cannot be quickly and accurately determined in the research and development stage, the efficiency is low, the cost is high, and the reliability of the finally determined structure is low. Therefore, the problems that in the related art, the modal frequency of the dynamic vibration absorber is usually tested through a real vehicle, the accuracy is poor, the final structure of the dynamic vibration absorber cannot be quickly and accurately determined in the research and development stage, the efficiency is low, the cost is high, the reliability of the finally determined structure is low and the like are solved.
Specifically, fig. 1 is an exemplary diagram of a structural modulation system of a steering wheel vibration absorber according to an embodiment of the present application.
As shown in fig. 1, the structural modulation system 100 of the steering wheel vibration absorber includes: a testing component 110, an acquisition component 120, and a modulator 130.
The testing component 110 is used for performing sine frequency sweep testing on the steering wheel vibration absorber to be tested; the acquisition component 120 is used for acquiring actual test parameters of the steering wheel vibration absorber to be tested; the modulator 130 is configured to control the testing component to perform testing according to the testing sinusoidal signal, and calculate an actual modal frequency of the steering wheel vibration absorber to be tested according to an actual testing parameter, and modulate a current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is not consistent with the resonance frequency of the steering wheel until the actual modal frequency is consistent with the resonance frequency, so as to obtain a final structure of the steering wheel vibration absorber to be tested.
It can be understood that, in the embodiment of the present application, the test component 110 may be used to input a sinusoidal signal to perform a frequency sweep test, confirm the resonant frequency of the steering wheel system of the test vehicle on the whole vehicle, and obtain frequency sweep data of the vehicle type for subsequent analysis of the vehicle type; acquiring a transfer function, a coherence function and test parameters after the frequency sweep test by using the acquisition component 120; performing data analysis by using the modulator 130 to obtain the modal frequency of the steering wheel vibration absorber, and modulating the corresponding structure of the steering wheel vibration absorber based on the obtained modal frequency of the current steering wheel vibration absorber until the modal frequency of the modulated steering wheel vibration absorber is consistent with the resonance frequency of the steering wheel system, namely, the modulated steering wheel vibration absorber structure is considered to be matched with the steering wheel system; at this time, the embodiment of the present application may consider that the modulation process is finished, and a final structure of the steering wheel vibration absorber to be tested is generated.
In the embodiment of the present application, the test assembly 110 includes: the fixture block comprises a fixture block body and an excitation table.
The steering wheel vibration absorber to be tested is arranged at a first preset position on the upper surface of the clamp block body; the vibration exciting table is arranged on the lower surface of the clamp block body and used for carrying out frequency sweeping test according to an input test sine signal; the first preset position may be set according to actual conditions, which is not particularly limited.
It can be understood that the test assembly composed of the clamp block body and the excitation table can be used in the embodiment of the application for performing frequency sweep test on the vehicle type to be tested by using a sine signal to obtain the relevant data of the vehicle type to be tested.
Specifically, as shown in fig. 2, the present embodiment may mount the steering wheel vibration reducer 4 at a corresponding position on the jig block body, and mount the vibration table 6 at a corresponding position on the lower surface of the jig block body. In the embodiment of the application, after NVH (Noise, vibration, harshness, noise, vibration and sound Vibration roughness) test software is debugged, a sine signal is input by using an excitation table to carry out frequency sweep test; the specific structure of the excitation platform and the fixture block body of the embodiment of the application is as follows:
(1) In an embodiment of the present application, an excitation stage includes: a plurality of air springs and vibration exciters.
Each air spring is arranged at a second preset position corresponding to the lower surface of the clamp block body; the vibration exciter is arranged at a third preset position on the lower surface of the clamp block body and used for carrying out frequency sweeping test according to an input test sine signal; the second and third preset positions may be set according to actual situations, which is not particularly limited.
Specifically, as shown in fig. 2, in the embodiment of the present application, the air springs 5 may be disposed at positions corresponding to the lower surface of the clamp block body, for example, at four corners of the first combined clamp block 1 and connected by bolts, where bolt mounting holes are schematically shown in fig. 3; meanwhile, the vibration exciter 6 can be fixed in the middle of the bottom of the first combined clamp block 1 in the embodiment of the application; therefore, a small-sized excitation platform is assembled to carry out frequency sweep test.
(2) In the embodiment of the present application, the clamp block body includes: first to third combined jig blocks; the second combined clamp block is arranged at a fourth preset position on the upper surface of the first combined clamp block, the third combined clamp block is arranged at a fifth preset position of the second combined clamp block, and the steering wheel vibration absorber to be tested is arranged at a first preset position of the third combined clamp block.
Specifically, as shown in fig. 3, the embodiment of the present application may assemble the first to third combined clamp blocks by bolts to satisfy the sharing of steering wheels of different structures. The first combined clamp block is a universal part and can receive an excitation signal; the second combined clamp block can be designed according to a steering wheel to be tested so as to keep the mounting angle of the steering wheel consistent with the state of the whole vehicle; the third combined clamp block can be designed according to the position of a mounting point of the steering wheel to be tested and assembled on the second combined clamp block.
In the embodiment of the present application, the collecting component 120 includes: three-way acceleration sensor and data collection station. The three-way acceleration sensor is used for detecting the space acceleration of the steering wheel vibration absorber to be tested during testing; the data acquisition unit is used for acquiring the spatial acceleration detected by the three-way acceleration sensor.
It can be understood that, in the embodiment of the present application, an acquisition component composed of a three-way acceleration sensor and a data acquisition unit may be used to detect and acquire data in the sweep test in step S101, so as to facilitate subsequent modulation of the steering wheel vibration absorber structure. The three-way acceleration sensor is used for detecting the spatial acceleration of the steering wheel vibration absorber of the vehicle type to be detected in the sweep frequency test, and the data acquisition unit is used for further acquiring the spatial acceleration detected by the three-way acceleration sensor.
In the embodiment of the present application, the structural modulation system 100 of the steering wheel vibration absorber further includes: a power amplifier; wherein the power amplifier is used for amplifying the test sinusoidal signal.
It can be understood that the embodiment of the application further includes a power amplifier, which can be used for amplifying the sinusoidal signal, so that the test signal can be adapted to the test requirements of different vehicle types, and the test result is more accurate and reliable.
Specifically, as shown in fig. 2, in the embodiment of the present application, three acceleration sensors 8 may be disposed on the steering wheel vibration absorber 4, and a data collector 9 is connected to a testing device, where the testing device may be a power amplifier 7 and a computer 10.
The following describes the structural modulation system of the steering wheel vibration absorber and the system function thereof with reference to the following embodiments:
step 1: confirming the resonance frequency of a steering wheel system of a test vehicle type on the whole vehicle;
step 2: assembling the first to third combined clamp blocks through bolts; installing a steering wheel vibration absorber on a clamp block body, propping air springs at four corners of a first combined clamp block and connecting the air springs by bolts, and fixing a vibration exciter at the middle part of the bottom of the first combined clamp block, thereby assembling a small-sized vibration exciting table; arranging a three-way acceleration vibration sensor on the steering wheel vibration absorber, and connecting a power amplifier, a host computer, a computer and other test equipment;
and step 3: after NVH test software is debugged, inputting a sine signal by a vibration exciter to carry out frequency sweep test, and acquiring a transfer function, namely a coherent function; carrying out data analysis to obtain the modal frequency of the steering wheel vibration absorber;
and 4, step 4: according to the modal frequency of the current steering wheel vibration absorber, modulating the corresponding structure of the steering wheel vibration absorber, and repeatedly testing the modulated steering wheel vibration absorber until the modal frequency of the modulated steering wheel vibration absorber is consistent with the resonance frequency of a steering wheel system;
and 5: and mounting the modulated steering wheel vibration absorber and the steering wheel on the whole vehicle together to verify the using effect of the real vehicle.
According to the structural modulation system of the steering wheel vibration absorber provided by the embodiment of the application, the mode frequency of the steering wheel vibration absorber can be accurately identified by using a sine sweep frequency testing method, so that the final structure of the steering wheel vibration absorber can be quickly and accurately determined, the determination efficiency of the structure of the steering wheel vibration absorber is improved, the test cost in the research and development stage is reduced, the reliability of the final determined structure is improved, and the use experience of a user is improved.
Next, a structure modulation method of the steering wheel vibration absorber according to an embodiment of the present application will be described with reference to the drawings.
As shown in fig. 4, the method for modulating the structure of the steering wheel vibration absorber includes the following steps:
in step S101, a test sinusoidal signal is acquired;
in step S102, controlling a testing component to carry out sine frequency sweep testing on the steering wheel vibration absorber to be tested according to a testing sine signal, and collecting actual testing parameters of the steering wheel vibration absorber to be tested;
in step S103, calculating an actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, and modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is not consistent with the resonance frequency of the steering wheel until the actual modal frequency is consistent with the resonance frequency, thereby obtaining a final structure of the steering wheel vibration absorber to be tested.
It should be noted that the structure modulation method of the steering wheel vibration absorber according to the embodiment of the present application may be applied to the structure modulation system of the steering wheel vibration absorber according to the above-described embodiment; the foregoing explanation of the embodiment of the structure modulation system for a steering wheel vibration absorber also applies to the structure modulation method for a steering wheel vibration absorber of this embodiment, and will not be repeated here.
According to the structural modulation method of the steering wheel vibration absorber provided by the embodiment of the application, the mode frequency of the steering wheel vibration absorber can be accurately identified by using a sine sweep frequency test method, so that the final structure of the steering wheel vibration absorber can be quickly and accurately determined, the determination efficiency of the structure of the steering wheel vibration absorber is improved, the test cost in the research and development stage is reduced, the reliability of the final determined structure is improved, and the use experience of a user is improved.
Embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the above method for modulating the structure of the steering wheel vibration absorber.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some 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, the schematic representations of the terms used above are not necessarily intended to 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 N embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of implementing the embodiments of the present application.
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 N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. 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, a field programmable gate array, or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
Claims (8)
1. A structural modulation system for a steering wheel vibration absorber, comprising:
the testing component is used for performing sine frequency sweep testing on the steering wheel vibration absorber to be tested;
the acquisition component is used for acquiring actual test parameters of the steering wheel vibration absorber to be tested;
and the modulator is used for controlling the test component to test according to the test sinusoidal signal, calculating the actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is inconsistent with the resonance frequency of the steering wheel, and obtaining the final structure of the steering wheel vibration absorber to be tested until the actual modal frequency is consistent with the resonance frequency.
2. The system of claim 1, wherein the testing component comprises:
the test device comprises a clamp block body, a test device and a test device, wherein the to-be-tested steering wheel vibration absorber is arranged at a first preset position on the upper surface of the clamp block body;
and the excitation platform is arranged on the lower surface of the clamp block body and is used for carrying out frequency sweep test according to the input test sine signal.
3. The system of claim 2, wherein the excitation stage comprises:
each air spring is arranged at a second preset position corresponding to the lower surface of the clamp block body;
and the vibration exciter is arranged at a third preset position on the lower surface of the clamp block body and is used for carrying out frequency sweeping test according to the input test sine signal.
4. The system of claim 2, wherein the clamp block body comprises:
the vibration testing device comprises a first combined clamp block, a second combined clamp block, a third combined clamp block and a to-be-tested steering wheel vibration absorber, wherein the second combined clamp block is arranged at a fourth preset position on the upper surface of the first combined clamp block, the third combined clamp block is arranged at a fifth preset position of the second combined clamp block, and the to-be-tested steering wheel vibration absorber is arranged at a first preset position of the third combined clamp block.
5. The system of claim 1, wherein the acquisition component comprises:
the three-direction acceleration sensor is used for detecting the space acceleration of the steering wheel vibration absorber to be tested during testing;
and the data acquisition unit is used for acquiring the spatial acceleration detected by the three-way acceleration sensor.
6. The system of any one of claims 1-5, further comprising:
and the power amplifier is used for amplifying the test sinusoidal signal.
7. A structural modification method of a steering wheel vibration absorber, which is applied to a structural modification system of a steering wheel vibration absorber according to any one of claims 1 to 6, wherein the method comprises the steps of:
acquiring a test sine signal;
controlling the testing component to perform sine frequency sweep testing on the steering wheel vibration absorber to be tested according to the testing sine signal, and acquiring actual testing parameters of the steering wheel vibration absorber to be tested;
and calculating the actual modal frequency of the steering wheel vibration absorber to be tested according to the actual test parameters, and modulating the current structure of the actual modal frequency according to the actual modal frequency when the actual modal frequency is inconsistent with the resonance frequency of the steering wheel until the actual modal frequency is consistent with the resonance frequency to obtain the final structure of the steering wheel vibration absorber to be tested.
8. A computer-readable storage medium on which a computer program is stored, the program being executed by a processor for implementing the structural modulation method of the steering wheel vibration absorber according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210835760.9A CN115219178A (en) | 2022-07-15 | 2022-07-15 | Structure modulation system and method of steering wheel vibration absorber and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210835760.9A CN115219178A (en) | 2022-07-15 | 2022-07-15 | Structure modulation system and method of steering wheel vibration absorber and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU218642U1 (en) * | 2023-04-06 | 2023-06-02 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Stand for testing vibration isolators of the vehicle cabin |
-
2022
- 2022-07-15 CN CN202210835760.9A patent/CN115219178A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU218642U1 (en) * | 2023-04-06 | 2023-06-02 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Stand for testing vibration isolators of the vehicle cabin |
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