CN109278673B - Method for protecting vehicle chassis - Google Patents
Method for protecting vehicle chassis Download PDFInfo
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- CN109278673B CN109278673B CN201811007833.5A CN201811007833A CN109278673B CN 109278673 B CN109278673 B CN 109278673B CN 201811007833 A CN201811007833 A CN 201811007833A CN 109278673 B CN109278673 B CN 109278673B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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Abstract
The invention relates to a method for protecting a vehicle chassis, comprising the following steps: the method comprises the steps that an MCU collects first gyroscope data in a vehicle reference state and processes the first gyroscope data to obtain reference state gyroscope data; the MCU acquires second gyroscope data in the current state of the vehicle; and the MCU compares the second gyroscope data of the vehicle with the reference state gyroscope data, judges whether the deviation between the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, judges that the chassis is damaged due to the fact that the ground is uneven if the deviation exceeds the preset first threshold value, outputs early warning information to a vehicle owner, and returns to the previous step if the deviation does not exceed the preset first threshold value. After software of the vehicle-mounted equipment is upgraded, the gyroscope data in the parking state and the running state of the vehicle are analyzed and processed to judge the condition of the running ground of the vehicle, so that early warning reminding is performed on a vehicle owner, and the purpose of protecting a vehicle chassis is achieved.
Description
Technical Field
The invention relates to the technical field of vehicle safety, in particular to a method for protecting a vehicle chassis.
Background
The automobile chassis is the most important part in the whole automobile structure, if the chassis deforms, a series of problems can be caused, such as the stability of the automobile in running is affected, wheels on one side are easy to wear, the automobile can deviate to one side in running, and the like; however, many car owners do not know the damage of chassis deformation or how to avoid the problem as much as possible, which causes some involuntary actions of the car owners to damage the chassis at ordinary times, such as stopping on uneven road surfaces, even road surfaces with large fall, passing through uneven road surfaces at high speed or deceleration strips, etc., however, the current cars do not have corresponding technologies to judge the action of damaging the chassis and give an early warning.
Disclosure of Invention
The present invention overcomes the deficiencies of the prior art described above and provides a method of protecting a vehicle chassis.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a method of protecting a vehicle chassis comprising the steps of:
s10, acquiring first gyroscope data in a vehicle reference state by the MCU and processing the first gyroscope data to obtain reference state gyroscope data;
s20, acquiring second gyroscope data of the vehicle in the current state by the MCU;
and S30, comparing the second gyroscope data of the vehicle with the reference state gyroscope data by the MCU, judging whether the deviation between the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, if so, judging that the chassis is damaged due to the uneven ground, outputting early warning information to a vehicle owner, and otherwise, returning to the step S20.
Further, as a preferred embodiment, the processing of the first gyroscope data in step S10 includes: and the MCU compares the first gyroscope data acquired in the vehicle reference state with the original gyroscope data, eliminates the data with the deviation larger than a second threshold value, and performs statistical average processing on the residual data to acquire the gyroscope data in the reference state.
Further, as a preferred technical solution, the vehicle reference state includes a reference parking state, and the vehicle current state includes a current parking state.
Further, as a preferred technical solution, the first threshold is set to any one value of 20% to 40%; the second threshold value is set to any one value of 5% -15%.
Further, as a preferable technical solution, the vehicle reference state includes a reference driving state, and the vehicle current state includes a current driving state.
Further, as a preferred technical solution, the first threshold is set to any one value of 40% to 60%; the second threshold value is set to any one of 25% -45%.
Further, as a preferred technical solution, in step S30, when the deviation between the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, and the driving speed of the vehicle is greater than a third threshold value, it is determined that the chassis is damaged due to uneven ground, and the warning information is output to the vehicle owner.
Further, as a preferable technical scheme, the third threshold value is set to be any value of 40km/h-60 km/h.
Further, as a preferred technical solution, the early warning information includes: and outputting a voice alarm signal to inform the owner of the vehicle so that the owner of the vehicle can take measures in time.
Further, as a preferred technical solution, the gyroscope is disposed on a navigation device or Telematics of a vehicle.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: after software of the vehicle-mounted equipment is upgraded, the gyroscope data of the vehicle in the parking state and the driving state are analyzed and processed to judge the condition of the driving road surface of the vehicle, so that an early warning prompt is given to a vehicle owner, the vehicle owner can make an action of reducing damage to a vehicle chassis, and the purpose of protecting the vehicle chassis is achieved.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art and will therefore make the scope of the invention more clearly defined.
Example 1
The invention discloses a method for protecting a vehicle chassis, which comprises the following steps:
and S10, the MCU acquires and processes the first gyroscope data in the vehicle reference state to obtain the reference state gyroscope data.
The method comprises the following specific steps: the method comprises the steps that a MCU (microprogrammed control unit) arranged in vehicle-mounted Telematics equipment collects first gyroscope data under a vehicle reference parking state, the collected first gyroscope data are compared with gyroscope original data BD read by the MCU, data with deviation larger than a second threshold value are removed, and statistical average processing is carried out on residual data to obtain gyroscope data SG under the reference parking state; the reference parking state gyroscope data SG is set to a gyroscope state corresponding to a normal, relatively flat parking lot road surface for the vehicle.
In this step, the first gyroscope data includes data of all reference parking states collected by the MCU within a first time period, where the first time period is set to 10-30 days, and the second threshold is set to any one of 5% -15%.
And S20, the MCU acquires the second gyroscope data in the current state of the vehicle.
In this step, the MCU acquires second gyroscope data of the vehicle in the current parking state.
And S30, comparing the second gyroscope data of the vehicle with the reference state gyroscope data by the MCU, judging whether the deviation between the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, if so, judging that the chassis is damaged due to the uneven ground, outputting early warning information to a vehicle owner, and otherwise, returning to the step S20.
The method comprises the following steps that the MCU compares second gyroscope data in the current parking state of the vehicle with reference parking state gyroscope data SG, judges whether the deviation between the second gyroscope data and the reference parking state gyroscope data SG exceeds a preset first threshold value, judges that the chassis is damaged due to the fact that the ground is uneven if the deviation exceeds the preset first threshold value, outputs early warning information to a vehicle owner, and returns to the step S20 if the deviation does not exceed the preset first threshold value; wherein, the first threshold is set to any one value of 20% to 40%, in this embodiment, as an optimal technical solution, the first threshold is set to 30%; the early warning information comprises that the vehicle-mounted Telematics equipment outputs a voice alarm signal to inform the vehicle owner so that the vehicle owner can take measures in time.
In this embodiment, after software upgrading is performed on the onboard Telematics device, the gyroscope data in the vehicle parking state is analyzed and processed to judge the condition of the parking road of the vehicle, so that an early warning prompt is performed on a vehicle owner, and the vehicle owner makes an action of reducing damage to a vehicle chassis, so that the purpose of protecting the vehicle chassis is achieved.
Example 2
The present embodiment is different from embodiment 1 in that the reference state of the vehicle, which is the reference running state in the present embodiment, is different.
The method specifically comprises the following steps:
s10, the MCU collects first gyroscope data in a vehicle reference driving state, compares the collected first gyroscope data with gyroscope original data BD read by the MCU, eliminates data with deviation larger than a second threshold value, and performs statistical average processing on the residual data to obtain reference driving state gyroscope data DG; the reference driving state gyroscope data DG is set to a gyroscope state corresponding to when the vehicle is driving on a normal, relatively level road surface.
In this step, the first gyroscope data includes data of all reference driving states collected by the MCU at a specific frequency within a first time period, where the first time period is set to 30-60 days, and the second threshold is set to any one of 25% -45%, and in this embodiment, as an optimal technical solution, the first time period is set to 60 days, and the second threshold is set to 35%; the specific frequency is set to 0.5S, i.e., the MCU collects the gyro data in the vehicle reference running state at a frequency of 0.5S for 60 days.
And S20, the MCU acquires second gyroscope data in the current state of the vehicle.
In this step, the MCU acquires second gyroscope data of the vehicle in the current driving state.
And S30, comparing the second gyroscope data of the vehicle with the reference state gyroscope data by the MCU, judging whether the deviation between the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, if so, judging that the chassis is damaged due to the uneven ground, outputting early warning information to a vehicle owner, and otherwise, returning to the step S20.
The method specifically includes the steps that the MCU compares second gyroscope data in the current running state of the vehicle with reference running state gyroscope data DG, judges whether deviation between the second gyroscope data and the reference running state gyroscope data DG exceeds a preset first threshold value, judges whether the running speed of the vehicle is larger than a third threshold value, judges that the chassis is damaged due to uneven ground when the deviation between the second gyroscope data and the reference running state gyroscope data DG exceeds the preset first threshold value and the running speed of the vehicle is larger than the third threshold value, outputs early warning information to a vehicle owner, and enables the vehicle owner to take appropriate measures such as speed reduction in time to reduce damage to the chassis caused by high-speed running on a bumpy road surface and achieve the purpose of protecting the chassis, and otherwise, the method returns to the step S20.
In this step, the first threshold is set to be any one of 40% to 60%, and the third threshold is set to be any one of 40km/h to 60km/h, in this embodiment, as an optimal solution, the first threshold is set to be 50%, and the third threshold is set to be 50 km/h.
In the embodiment, after software upgrading is performed on the vehicle-mounted Telematics equipment, the gyroscope data in the running state of the vehicle is analyzed and processed to judge the condition of the corresponding road surface when the vehicle runs, so that the early warning reminding is performed on a vehicle owner, the vehicle owner makes an action of reducing damage to the vehicle chassis, and the purpose of protecting the vehicle chassis is achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A method of protecting a vehicle chassis, comprising the steps of:
s10, acquiring first gyroscope data in a vehicle reference state by the MCU, comparing the first gyroscope data with original gyroscope data, eliminating data with deviation larger than a second threshold value, and performing statistical average processing on the remaining data to obtain the gyroscope data in the reference state;
s20, acquiring second gyroscope data of the vehicle in the current state by the MCU;
s30, comparing second gyroscope data of the vehicle with reference state gyroscope data by the MCU, judging whether the deviation of the second gyroscope data and the reference state gyroscope data exceeds a preset first threshold value, if so, judging that the chassis is damaged due to the fact that the ground is uneven, and outputting early warning information to a vehicle owner, otherwise, returning to the step S20;
the vehicle reference state is a reference parking state, and the current state of the vehicle is a current parking state; or, the vehicle reference state is a reference running state, and the vehicle current state is a current running state.
2. A method of protecting a vehicle chassis according to claim 1, wherein: when the vehicle reference state is a reference parking state and the current state of the vehicle is a current parking state, setting the first threshold value to be any one value of 20% -40%; the second threshold value is set to any one value of 5% -15%.
3. A method of protecting a vehicle chassis according to claim 1, wherein: when the vehicle reference state is a reference driving state and the current state of the vehicle is a current driving state, setting the first threshold value to be any one value of 40% -60%; the second threshold value is set to any one of 25% -45%.
4. A method of protecting a vehicle chassis according to claim 3, wherein: in step S30, when the deviation between the second gyroscope data and the reference state gyroscope data exceeds the preset first threshold and the driving speed of the vehicle is greater than the third threshold, it is determined that the chassis is damaged due to the uneven ground, and the warning information is output to the vehicle owner.
5. A method of protecting a vehicle chassis according to claim 4, wherein: the third threshold value is set to any one value of 40km/h-60 km/h.
6. A method of protecting a vehicle chassis according to claim 1, wherein: the early warning information includes: and outputting a voice alarm signal to inform the owner of the vehicle so that the owner of the vehicle can take measures in time.
7. A method of protecting a vehicle chassis according to claim 1, wherein: the gyroscope is arranged on navigation equipment or Telematics of a vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007833.5A CN109278673B (en) | 2018-08-31 | 2018-08-31 | Method for protecting vehicle chassis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811007833.5A CN109278673B (en) | 2018-08-31 | 2018-08-31 | Method for protecting vehicle chassis |
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| CN109278673A CN109278673A (en) | 2019-01-29 |
| CN109278673B true CN109278673B (en) | 2022-05-20 |
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| CN112256035B (en) * | 2020-11-03 | 2023-08-15 | 浙江国自机器人技术股份有限公司 | Chassis drift control method, system and device and AGV trolley |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105844963A (en) * | 2016-03-30 | 2016-08-10 | 乐视控股（北京）有限公司 | Vehicle chassis collision early-warning system and method |
| CN106314594A (en) * | 2016-08-26 | 2017-01-11 | 南京理工大学 | Storage and transfer robot used for modern logistics industry |
| CN107323454A (en) * | 2017-08-03 | 2017-11-07 | 鄂尔多斯市普渡科技有限公司 | A kind of unmanned speed-regulating device and method of adjustment based on surface evenness |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI508877B (en) * | 2010-12-03 | 2015-11-21 | Hon Hai Prec Ind Co Ltd | Stolen vehicle recovery system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844963A (en) * | 2016-03-30 | 2016-08-10 | 乐视控股（北京）有限公司 | Vehicle chassis collision early-warning system and method |
| CN106314594A (en) * | 2016-08-26 | 2017-01-11 | 南京理工大学 | Storage and transfer robot used for modern logistics industry |
| CN107323454A (en) * | 2017-08-03 | 2017-11-07 | 鄂尔多斯市普渡科技有限公司 | A kind of unmanned speed-regulating device and method of adjustment based on surface evenness |
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