CN117978005A - Vibration compensation system and method for vehicle - Google Patents
Vibration compensation system and method for vehicle Download PDFInfo
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- CN117978005A CN117978005A CN202211317460.8A CN202211317460A CN117978005A CN 117978005 A CN117978005 A CN 117978005A CN 202211317460 A CN202211317460 A CN 202211317460A CN 117978005 A CN117978005 A CN 117978005A
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Abstract
The invention discloses a vibration compensation system and method for a vehicle, and relates to the technical field of intelligent driving. A vibration compensation system for a vehicle, comprising: a data processing device, a power amplifier and a three-phase vibration device; the data processing device is connected with the power amplifier, and the power amplifier is also connected with the three-phase vibration device; the data processing device is used for sending a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation; and the power amplifier is used for driving the three-phase vibration device to vibrate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle. When the vehicle is started, the vibration of a part of the vehicle is counteracted by the vibration of the three-phase vibration device, so that the vibration level of the vehicle is actively reduced, and the vibration reduction effect of the vehicle is improved.
Description
Technical Field
The invention relates to the technical field of intelligent driving, in particular to a vibration compensation system and method for a vehicle.
Background
In the starting state of the vehicle, the vibration problem inevitably exists, and the riding experience of a driver or a passenger is greatly affected.
In the prior art, the vibration level of a vehicle is reduced mainly through a vibration reduction mechanical structure, but the vibration reduction mode is passive, and the vibration reduction effect is poor.
Disclosure of Invention
The invention provides a vibration compensation system and a vibration compensation method for a vehicle, which can actively reduce the vibration level of the vehicle when the vehicle is started and improve the vibration reduction effect of the vehicle.
In order to achieve the above purpose, the invention adopts the following technical scheme:
In a first aspect, the present invention provides a vibration compensation system for a vehicle, the system comprising a data processing device, a power amplifier, and a three-phase vibration device;
the data processing device is connected with the power amplifier, and the power amplifier is also connected with the three-phase vibration device;
The data processing device is used for sending a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation;
And the power amplifier is used for driving the three-phase vibration device to vibrate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle.
In a possible implementation, the data processing device is further configured to generate a vibration compensated acceleration signal.
In one possible implementation, the system further comprises a first vibratory acceleration sensor; the first vibration acceleration sensor is connected with the data processing device; the first vibration acceleration sensor is used for acquiring a second vibration acceleration signal of the vehicle in a starting state in real time and sending the second vibration acceleration signal to the data processing device; the data processing device is specifically used for performing filtering operation on the second vibration acceleration signal to obtain a first vibration acceleration signal in a preset frequency band, and generating a vibration compensation acceleration signal according to the first vibration acceleration signal.
In one possible implementation, the system further comprises a second vibratory acceleration sensor; the second vibration acceleration sensor is connected with the data processing device; and the second vibration acceleration sensor is used for calibrating the vibration magnitude of the three-phase vibration device under the vibration compensation acceleration signal.
In one possible implementation, the three-phase vibration device includes a first motor, a second motor, and a third motor; the first motor, the second motor and the third motor are vertically arranged between each two.
In one possible embodiment, the three-phase vibration device is fixedly connected to the steering wheel or to any of the seats of the vehicle.
In one possible implementation, the preset frequency band is 0-200HZ.
In a second aspect, the present invention provides a vibration compensation method for a vehicle, applied to a vibration compensation system of the vehicle, the vibration compensation system including a data processing device, a power amplifier, and a three-phase vibration device, the data processing device being connected to the power amplifier, the power amplifier being further connected to the three-phase vibration device, the method comprising:
The data processing device sends a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation;
The power amplifier drives the three-phase vibration device to operate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle.
In one possible implementation, the method further includes: the data processing device generates a vibration compensated acceleration signal.
In one possible implementation, the vibration compensation system further comprises a first vibration acceleration sensor; the first vibration acceleration sensor is connected with the data processing device, and the method further comprises: the first vibration acceleration sensor acquires a second vibration acceleration signal of the vehicle in a starting state in real time and sends the second vibration acceleration signal to the data processing device; the data processing device generates vibration compensation acceleration signals, and specifically comprises: the data processing device performs filtering operation on the second vibration acceleration signal to obtain a first vibration acceleration signal in a preset frequency band, and generates a vibration compensation acceleration signal according to the first vibration acceleration signal.
In a third aspect, the invention provides a vehicle comprising a vibration compensation system of the vehicle as in the first aspect and any one of the possible implementations.
The vibration compensation system of the vehicle provided by the embodiment of the invention comprises a data processing device, a power amplifier and a three-phase vibration device; the data processing device is connected with the power amplifier, and the power amplifier is also connected with the three-phase vibration device; the data processing device is used for sending a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation; and the power amplifier is used for driving the three-phase vibration device to vibrate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle. When the vehicle is started, the vibration of a part of the vehicle is counteracted by the vibration of the three-phase vibration device, so that the vibration level of the vehicle is actively reduced, and the vibration reduction effect of the vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of a vibration compensation system for a vehicle according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of a vibration compensation system for a vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a vibration compensation method for a vehicle according to an embodiment of the present invention;
FIG. 4 is a second flow chart of a vibration compensation method for a vehicle according to an embodiment of the invention;
fig. 5 is a third flow chart of a vibration compensation method for a vehicle according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the use of "based on" or "according to" is intended to be open and inclusive in that a process, step, calculation, or other action "based on" or "according to" one or more of the stated conditions or values may in practice be based on additional conditions or beyond the stated values.
In order to improve the vibration reduction effect of a vehicle and improve the driving experience of a driver, the embodiment of the invention provides a vibration compensation system and a method of the vehicle, wherein the vibration compensation system comprises a data processing device, a power amplifier and a three-phase vibration device; the data processing device is connected with the power amplifier, and the power amplifier is also connected with the three-phase vibration device; the data processing device is used for sending a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation; and the power amplifier is used for driving the three-phase vibration device to vibrate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle. The invention can offset the vibration of a part of the vehicle by the vibration of the three-phase vibration device when the vehicle is started, thereby actively reducing the vibration level of the vehicle and improving the vibration reduction effect of the vehicle.
Fig. 1 is a schematic diagram of a vibration compensation system of a vehicle according to an embodiment of the present invention. As shown in fig. 1, the vibration compensation system includes a data processing device 01, a power amplifier 02, and a three-phase vibration device 03, wherein the data processing device 01 is connected to the power amplifier 02, and the power amplifier 02 is also connected to the three-phase vibration device 03. The three-phase vibration device 03 may be fixedly provided on a steering wheel of a vehicle or in a saddle of the vehicle, as exemplified by the steering wheel.
The data processing device 01 is mainly used for receiving, processing, transmitting, etc. vibration acceleration signals, and may be a terminal or a server, and is not limited herein.
The main structure of the three-phase vibration device 03 may be a cube, and 3 motors (these motors may be linear motors) are built in, for example, a first motor, a second motor, and a third motor, where the first motor, the second motor, and the third motor are vertically arranged between each other. In one possible implementation, the first motor, the second motor, and the third motor establish a three-dimensional coordinate system a with any three intersecting sides of the cube, the first motor being disposed in the X-axis direction, the second motor being disposed in the Y-axis direction, and the third motor being disposed in the Z-axis direction. The first motor, the second motor and the third motor are powered by an external power supply.
Specifically, the data processing device 01 is configured to send a vibration compensation acceleration signal of a preset frequency band to the power amplifier 02 when the vehicle starts. The vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used to indicate a three-phase vibration characteristic of the vehicle when operating stably.
A power amplifier 02 for driving the three-phase vibration device 03 to vibrate according to the vibration compensation acceleration signal to perform vibration compensation on the vehicle.
It is understood that the frequency band having a great subjective influence on the driver is a preset frequency band, for example, 0 to 200HZ.
In this embodiment, the vibration compensation system includes a data processing device 01, a power amplifier 02, and a three-phase vibration device 03; the data processing device 01 is connected with the power amplifier 02, and the power amplifier 02 is also connected with the three-phase vibration device 03; a data processing device 01 for transmitting a vibration compensation acceleration signal of a preset frequency band to the power amplifier 02 when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation; a power amplifier 02 for driving the three-phase vibration device 03 to vibrate according to the vibration compensation acceleration signal to perform vibration compensation on the vehicle. Thus, when the vehicle is started, under the control of the vibration compensation acceleration signal of the preset frequency band, the vibration of the three-phase vibration device 03 can offset the vibration of a part of the vehicle, so that the vibration level of the vehicle is actively reduced, and the vibration reduction effect of the vehicle is improved.
Optionally, the data processing device 01 is further configured to generate a vibration compensated acceleration signal.
Specifically, after the data processing device 01 performs filtering operation on different frequency bands of the second vibration acceleration signal, the steering wheel vibration condition corresponding to the filtering condition can be obtained.
In one possible implementation, fig. 2 is a second schematic diagram of a vibration compensation system of a vehicle according to an embodiment of the present invention. As shown in fig. 2, the system may further include a first vibration acceleration sensor 04; the first vibration acceleration sensor 04 is connected with the data processing device 01; the first vibration acceleration sensor 04 is used for acquiring a second vibration acceleration signal of the vehicle in a starting state in real time and sending the second vibration acceleration signal to the data processing device 01; the data processing device 01 is specifically configured to perform a filtering operation on the second vibration acceleration signal to obtain a first vibration acceleration signal in a preset frequency band, and generate a vibration compensation acceleration signal according to the first vibration acceleration signal.
In another possible implementation, as shown in fig. 2, the system may further include a second vibration acceleration sensor 05; the second vibration acceleration sensor 05 is connected with the data processing device 01; the second vibration acceleration sensor 05 is used for calibrating the vibration magnitude of the three-phase vibration device 03 under the vibration compensation acceleration signal.
Specifically, the first vibration acceleration sensor 04 may be fixed to the steering wheel, and the second vibration acceleration sensor 05 may be fixed to the three-phase vibration device 03. Similarly, the first vibration acceleration sensor 04 and the second vibration acceleration sensor 05 are both in a cube structure, and three intersecting sides can establish a three-dimensional coordinate system B. The coordinate system A and the coordinate system B are in parallel. At this time, the first vibration acceleration sensor 04 may test the actual vibration signal of the steering wheel, that is, the second vibration acceleration signal, under the working condition that the vehicle stably works after being started, and store the second vibration acceleration signal in the data processing device 01.
Further, the vehicle is returned to the completely stationary state, the data processing device 01 outputs the second vibration acceleration signal to the power amplifier 02, and further inputs the second vibration acceleration signal to the three-phase vibration device 03, and the three motors in the three-phase vibration device 03 vibrate in accordance with the input signals. The second vibration acceleration sensor 05 collects and outputs a vibration result to the data processing device 01, and compares the vibration result with an original second vibration acceleration signal f, so that the vibration generated by the three-phase vibration device 03 under the same vibration signal is consistent with the magnitude of the real vibration of the steering wheel.
Alternatively, the position of the three-phase vibration device 03 is flexibly variable, for example, the three-phase vibration device 03 may be fixedly connected to any one of the seats, thereby serving to reduce the vibration level of the seat.
Based on fig. 1 and fig. 2, fig. 3 is a schematic flow chart of a vibration compensation method for a vehicle according to an embodiment of the present invention. As shown in fig. 3, the method may include the following steps S301 to S302.
S301, the data processing device 01 sends a vibration compensation acceleration signal of a preset frequency band to the power amplifier 02 when a vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used to indicate a three-phase vibration characteristic of the vehicle when operating stably.
And S302, driving the three-phase vibration device 03 to operate by the power amplifier 02 according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle.
Optionally, based on fig. 3, fig. 4 is a second flow chart of a vibration compensation method for a vehicle according to an embodiment of the present invention, as shown in fig. 4, the method may further include the following step S401.
S401, the data processing device 01 generates a vibration-compensated acceleration signal.
Optionally, based on fig. 4, fig. 5 is a second flow chart of a vibration compensation method for a vehicle according to an embodiment of the present invention, as shown in fig. 5, the step S401 may further include the following steps S501 to S502.
S501, the first vibration acceleration sensor 04 acquires a second vibration acceleration signal of the vehicle in a starting state in real time, and sends the second vibration acceleration signal to the data processing device 01.
S502, the data processing device 01 performs filtering operation on the second vibration acceleration signal to obtain a first vibration acceleration signal in a preset frequency band, and generates a vibration compensation acceleration signal according to the first vibration acceleration signal.
In this embodiment, the data processing device 01 sends a vibration compensation acceleration signal of a preset frequency band to the power amplifier 02 when the vehicle starts, and the power amplifier 02 drives the three-phase vibration device 03 to operate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle. The vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in a preset frequency section after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used to indicate a three-phase vibration characteristic of the vehicle when operating stably. Thus, when the vehicle is started, under the control of the vibration compensation acceleration signal of the preset frequency band, the vibration of the three-phase vibration device 03 can offset the vibration of a part of the vehicle, so that the vibration level of the vehicle is actively reduced, and the vibration reduction effect of the vehicle is improved.
The invention also provides a vehicle comprising a vibration compensation system of a vehicle as in any one of the possible embodiments described above.
The above description has been presented mainly in terms of apparatus for the solution provided by the embodiments of the present invention. It will be appreciated that the apparatus, in order to achieve the above-described functions, comprises hardware structures and/or software modules corresponding to the execution of the respective functions. Those of skill in the art will readily appreciate that the various illustrative algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is implemented as hardware or computer software driven hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the present invention is not limited thereto, but any changes or substitutions within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A vibration compensation system for a vehicle, the system comprising a data processing device, a power amplifier, and a three-phase vibration device;
The data processing device is connected with the power amplifier, and the power amplifier is also connected with the three-phase vibration device;
The data processing device is used for sending a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in the preset frequency band after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation;
the power amplifier is used for driving the three-phase vibration device to vibrate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle.
2. The system of claim 1, wherein the data processing device is further configured to generate the vibration-compensated acceleration signal.
3. The system of claim 2, further comprising a first vibratory acceleration sensor; the first vibration acceleration sensor is connected with the data processing device;
the first vibration acceleration sensor is used for acquiring a second vibration acceleration signal of the vehicle in a starting state in real time and sending the second vibration acceleration signal to the data processing device;
The data processing device is specifically configured to perform a filtering operation on the second vibration acceleration signal to obtain the first vibration acceleration signal in a preset frequency band, and generate the vibration compensation acceleration signal according to the first vibration acceleration signal.
4. A system according to claim 3, further comprising a second vibratory acceleration sensor; the second vibration acceleration sensor is connected with the data processing device;
the second vibration acceleration sensor is used for calibrating the vibration magnitude of the three-phase vibration device under the vibration compensation acceleration signal.
5. The system of any of claims 1-4, wherein the three-phase vibration device comprises a first motor, a second motor, and a third motor;
The first motor, the second motor and the third motor are vertically arranged in pairs.
6. The system of any one of claims 1-4, wherein the three-phase vibration device is fixedly connected to a steering wheel or any one of the seats of the vehicle.
7. The system of any of claims 1-4, wherein the predetermined frequency range is 0-200HZ.
8. A vibration compensation method of a vehicle, applied to a vibration compensation system of a vehicle, characterized in that the vibration compensation system includes a data processing device, a power amplifier, and a three-phase vibration device, the data processing device being connected to the power amplifier, the power amplifier being further connected to the three-phase vibration device, the method comprising:
The data processing device sends a vibration compensation acceleration signal of a preset frequency band to the power amplifier when the vehicle is started; the vibration compensation acceleration signal and the first vibration acceleration signal are equal in amplitude and opposite in phase; the first vibration acceleration signal is a signal in the preset frequency band after the second vibration acceleration signal is filtered; the second vibration acceleration signal is used for indicating three-phase vibration characteristics of the vehicle during stable operation;
the power amplifier drives the three-phase vibration device to operate according to the vibration compensation acceleration signal so as to perform vibration compensation on the vehicle.
9. The method of claim 8, wherein the method further comprises:
The data processing device generates the vibration compensated acceleration signal.
10. The method of claim 9, wherein the vibration compensation system further comprises a first vibration acceleration sensor; the first vibration acceleration sensor is connected with the data processing device, and the method further comprises:
The first vibration acceleration sensor acquires a second vibration acceleration signal of the vehicle in a starting state in real time and sends the second vibration acceleration signal to the data processing device;
the data processing device generates the vibration compensation acceleration signal, and specifically comprises:
the data processing device performs filtering operation on the second vibration acceleration signal to obtain the first vibration acceleration signal in a preset frequency band, and generates the vibration compensation acceleration signal according to the first vibration acceleration signal.
11. A vehicle, characterized in that the vehicle comprises a vibration compensation system of the vehicle according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211317460.8A CN117978005A (en) | 2022-10-26 | 2022-10-26 | Vibration compensation system and method for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211317460.8A CN117978005A (en) | 2022-10-26 | 2022-10-26 | Vibration compensation system and method for vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN117978005A true CN117978005A (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211317460.8A Pending CN117978005A (en) | 2022-10-26 | 2022-10-26 | Vibration compensation system and method for vehicle |
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| CN (1) | CN117978005A (en) |
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- 2022-10-26 CN CN202211317460.8A patent/CN117978005A/en active Pending
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