CN114475102A - Automobile driving control system based on intelligent tire perception - Google Patents
Automobile driving control system based on intelligent tire perception Download PDFInfo
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- CN114475102A CN114475102A CN202210300730.8A CN202210300730A CN114475102A CN 114475102 A CN114475102 A CN 114475102A CN 202210300730 A CN202210300730 A CN 202210300730A CN 114475102 A CN114475102 A CN 114475102A
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- perception
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- 230000008447 perception Effects 0.000 title claims description 16
- 239000007788 liquid Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000005188 flotation Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an automobile driving control system based on intelligent tire sensing, which comprises an input terminal, a sensing terminal and an execution terminal which are respectively in signal connection with a central controller, wherein the input terminal comprises a voice output device and an electronic hand brake, the sensing terminal comprises a strain sensor for detecting tire pressure, the execution terminal comprises a voice output device, and if the strain sensor detects that the tire pressure is greater than or less than a set threshold value for more than two seconds, a signal is sent to the central controller The condition of false alarm is generated due to the tire pressure increase of the tire in a short time when the road surface is uneven or the road surface meets an obstacle.
Description
Technical Field
The invention relates to an intelligent automobile control system, in particular to an automobile driving control system based on intelligent tire perception.
Background
With the development of the automobile industry and the improvement of the living standard of people, automobiles become a third space for people to live except for families and work units. The intelligent vehicle refers to a vehicle capable of autonomously perceiving and autonomously deciding to plan and track a track.
In the practical application of the intelligent vehicle, the logic of the existing tire pressure alarm system is to detect the peak value signal of the strain sensor of the tire pressure, if the average peak value of the peak value signal increases along with the increase of time, the tire is determined to be in the state of the increase of the tire pressure currently, and then the alarm of the increase of the tire pressure is sent out immediately. Thus, although the tire pressure increase alarm is realized, certain potential safety hazard still exists, and a driver can be preferably warned in advance, namely, the defect still exists in the aspect of tire pressure sensing.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an automobile driving control system based on intelligent tire perception, which can give out early warning to drivers and passengers in advance.
The technical scheme is as follows: the invention relates to an intelligent tire sensing-based automobile driving control system which comprises an input terminal, a sensing terminal and an execution terminal, wherein the input terminal, the sensing terminal and the execution terminal are respectively in signal connection with a central controller, the input terminal comprises a voice output device and an electronic hand brake, the sensing terminal comprises a strain sensor for detecting tire pressure, the strain sensor is arranged on the side surface of a wheel hub and is opposite to the inner side wall of a tire, the execution terminal comprises a voice output device, and if the strain sensor detects that the tire pressure is larger than or smaller than a set threshold value for more than two seconds, a signal is sent to the central controller.
In the technical scheme, compared with the existing strain sensor detection mode, if the tire pressure is detected to be greater than or less than the set threshold value for more than two seconds, a signal is sent to the central controller and early warning is sent out, so that early warning can be realized, a driver pays attention to and decelerates in advance, the vehicle is checked by parking beside, and the driving safety is improved.
Preferably, the central controller sends a pre-alarm signal to the voice output device after receiving the signal from the strain sensor, and the voice output device sends an alarm voice, so that the driver and the passenger can be prompted in a voice notification mode.
Preferably, the execution terminal further comprises a central control screen, the central controller sends a pre-alarm signal to the central control screen after receiving the signal from the strain sensor, and the central control screen prompts drivers and passengers in a screen display mode.
Preferably, the perception terminal further comprises a camera and a tracking locator, a time module is integrated on the central controller, the tracking locator records the driving track, the time module records the time periods of different driving tracks, and the camera records the road conditions of different driving tracks.
Preferably, a memory is integrated on a main board of the central controller, the memory records a plurality of driving tracks for tracking the travel of the positioner and records time information of the same driving track, and further determines whether the same track has a condition of missing time period and a special road condition driving strategy of uniform driving tracks.
Preferably, the road conditions of different driving tracks recorded by the exclusive road condition driving strategy comprise a flat road surface, an uneven road surface, a bumpy road surface and an up-and-down road surface, therefore, different road condition information can be transmitted to the memory through the road condition driving strategy, after the memory records the road condition information, the central controller can know the road condition in advance according to the time module and the positioning tracker when driving to the same road section, and then prompt drivers and passengers to make corresponding processing through voice, central control display and other modes when the road condition changes, so that the driving safety and stability are improved.
Preferably, the sensing terminal comprises a self-righting distance sensor, the self-righting distance sensor is used for detecting the distance between the automobile and the front and rear automobiles and between the automobile and the left and right automobiles, the measuring accuracy when the road surface bumps or fluctuates can be more accurate through the self-righting distance sensor, and the danger of rear-end collision or scratch is prevented.
Preferably, from putting the distance sensor body in the box is place to the sensor, is equipped with two symmetrical guide bars in the box is place to the sensor, the both sides of distance sensor body respectively with guide bar fixed connection, the top of guide bar is equipped with the slidable flotation pontoon, the flotation pontoon floats on the liquid level of the fluid in the box is place to the sensor, the top of flotation pontoon is equipped with the regulating plate, the distance sensor body is installed on the regulating plate.
Preferably, the adjusting plate comprises a lower groove-shaped body and a top plate located at the top of the lower groove-shaped body, a partition plate is arranged at the middle position inside the lower groove-shaped body, a distance is reserved between the top end of the partition plate and the inner top wall of the sensor containing box, the partition plate divides the lower groove-shaped body into two chambers, liquid is arranged in each chamber, and the liquid level of the liquid is flush with the upper end of the partition plate.
Preferably, the top of roof is equipped with the connecting rod of two perpendicular to roofs, and the connecting rod sets up along the width direction of roof, two connecting rod fixedly connected with articulated shafts, and the articulated shaft rotates and sets up on the interior roof of box is place to the sensor.
Has the advantages that: compared with the prior art, the invention has the advantages that: 1. the strain sensor sends an early warning signal when the tire pressure detected by the strain sensor is greater than or less than a set threshold value for more than two seconds, so that the false alarm condition caused by the tire pressure increase of the tire in a short time when the automobile bumps, the road surface is uneven or an obstacle is met can be avoided; 2. the driver and passengers are warned by adopting a mode of prompting in advance, so that the safety and the comfort of driving can be improved; 3. the self-righting distance sensor can more accurately measure the distance between the automobile and the front and rear automobiles as well as the distance between the automobile and the left and right automobiles, and inaccurate distance measurement caused by bumpiness or fluctuation of a road surface is avoided.
Drawings
FIG. 1 is a block diagram of a control system according to the present invention;
FIG. 2 is a longitudinal sectional view of the self-righting distance sensor of the present invention;
FIG. 3 is a front view of the self-righting distance sensor of the present invention;
FIG. 4 is a schematic view of the self-righting distance sensor of the present invention after liquid is discharged;
FIG. 5 is a schematic view of a portion of the self-righting distance sensor of the present invention;
FIG. 6 is a schematic longitudinal cross-sectional view taken perpendicular to the cross-sectional view of FIG. 2 in accordance with the present invention;
fig. 7 is a schematic view of the self-righting distance sensor in a state where the road surface is inclined after undulation in the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in FIG. 1, the driving control system for the vehicle based on intelligent tire sensing comprises an input terminal, a sensing terminal and an execution terminal which are respectively in signal connection with a final controller.
Specifically, the input terminal comprises a voice input device and an electronic hand brake, and corresponding signals are sent to the central controller through the voice input device and the electronic hand brake. The sensing terminal comprises a strain sensor for detecting the tire pressure, a camera and a tracking positioner, wherein the strain sensor is arranged on the side surface of the wheel hub and is opposite to the inner side wall of the tire. The execution terminal comprises a voice output device and a central control screen and is used for receiving voice prompt information sent by the central controller.
In the actual working process, if the strain sensor detects that the tire pressure is greater than or less than the set threshold value for more than two seconds, the strain sensor sends a signal to the central controller, the central controller receives the signal and then sends an alarm signal to the voice output device and the central control screen, the voice output device sends out an alarm voice, and the central control screen displays corresponding information to prompt drivers and passengers.
In addition, a time module is integrated on the central controller, the tracking positioner records the driving tracks, the time module records the time periods of different driving tracks, and the camera records the road conditions of different driving tracks. Correspondingly, a memory is further integrated on the main board of the central controller, the memory records a plurality of driving tracks formed by the tracking positioner and time information of the same driving track, whether the same track has the condition of similar time periods or not is further judged, and an exclusive road condition driving strategy of uniform driving tracks is formed, wherein the road surface conditions of different driving tracks recorded by the exclusive road condition driving strategy comprise a flat road surface, an uneven road surface, a bumpy road surface and an ascending and descending road surface.
As shown in fig. 2 to 7, the sensing terminal includes a self-righting distance sensor for detecting the distance between the vehicle and the front and rear vehicles, and the left and right vehicles. Structurally, it places box 1 internal distance sensor body 2 including setting up at the sensor, and this sensor is placed and is equipped with two symmetrical guide bars 3 in the box 1, and distance sensor body 2's both sides respectively with guide bar 3 fixed connection. The top of guide bar 3 is equipped with slidable flotation pontoon 4, and flotation pontoon 4 floats on the liquid level of the fluid 5 in the box 1 is place to the sensor, and the top of flotation pontoon 4 is equipped with the regulating plate, and the distance sensor body is installed on the regulating plate. Since the oil liquid 5 is insulating, there is no fear of affecting the normal use of the distance sensor, and oil of low viscosity such as coal, or oil of viscosity lower than 20mm2/s, 20cSt is preferable. Further, the liquid level of the oil 5 is lower than the height of the lower surface of the regulation plate but higher than the height at which the lower end of the guide rod 3 is located.
The adjusting plate comprises a lower trough body 6 and a top plate 7 positioned at the top of the lower trough body 6, a partition plate 10 is arranged in the middle of the inner portion of the lower trough body 6, the lower trough body 6 is divided into two chambers by the partition plate 10, liquid is respectively arranged in each chamber, and the liquid level of the liquid is flush with the upper end of the partition plate 10. The top of roof 7 is equipped with two connecting rods 9 perpendicular to roof 7, and connecting rod 9 sets up along the width direction of roof 7, and two connecting rod 8 fixedly connected with articulated shaft 9, articulated shaft 9 rotate to set up on the interior roof of box 1 is place to the sensor.
In fig. 7, the solid line indicates the liquid level of the liquid after the inclination, and after the inclination, the liquid flows from the chamber at the higher position to the chamber at the lower position, so that the amount of the liquid in the chamber at the lower position originally increases, the weight of the chamber at the lower position also increases, and the self-leveling function is achieved.
Claims (10)
1. The utility model provides a motorist control system based on intelligence tire perception, its characterized in that, this system include respectively with central controller signal connection's input terminal, perception terminal and execution terminal, input terminal includes voice input device and electron manual brake, the perception terminal is including the strain sensor who detects tire pressure, strain sensor installs in wheel hub's side and just to the inside wall of tire, execution terminal includes voice output device, strain sensor if it is greater than or less than the settlement threshold value duration and exceeds two seconds to detect the tire pressure, then send signal for central controller.
2. The intelligent tire perception-based automobile driving control system according to claim 1, wherein the central controller sends a pre-alarm signal to the voice output device after receiving the signal from the strain sensor, and the voice output device sends out an alarm voice.
3. The intelligent tire perception-based automobile driving control system according to claim 1, wherein the execution terminal further comprises a central control screen, the central control unit sends a pre-alarm signal to the central control screen after receiving the signal from the strain sensor, and the central control screen prompts a driver and passengers in a screen display manner.
4. The intelligent tire perception-based automobile driving control system according to claim 1, wherein the perception terminal further comprises a camera and a tracking locator, a time module is integrated on the central controller, the tracking locator records the driving tracks, the time module records time periods of different driving tracks, and the camera records road conditions of different driving tracks.
5. The intelligent tire perception-based automobile driving control system according to claim 4, wherein a memory is further integrated on a main board of the central controller, the memory records a plurality of driving tracks formed by the tracking locator and time information of the same driving track, and further determines whether the same track has similar time period conditions and forms exclusive road driving strategies of the same driving track.
6. The intelligent tire perception-based automobile driving control system according to claim 5, wherein the road conditions of different driving tracks recorded by the exclusive road driving strategy comprise a flat road surface, an uneven road surface, a bumpy road surface and an ascending and descending road surface.
7. The intelligent tire perception-based automobile driving control system according to claim 1, wherein the perception terminal comprises a self-righting distance sensor, and the self-righting distance sensor detects the distance between an automobile and a front automobile, a rear automobile and a left automobile and a right automobile.
8. The intelligent tire sensing-based automobile driving control system according to claim 7, wherein the self-righting distance sensor comprises a distance sensor body arranged in a sensor placing box, two symmetrical guide rods are arranged in the sensor placing box, two sides of the distance sensor body are respectively fixedly connected with the guide rods, a slidable buoy is arranged at the top end of each guide rod, the buoy floats on the liquid level of oil in the sensor placing box, an adjusting plate is arranged above the buoy, and the distance sensor body is installed on the adjusting plate.
9. The intelligent tire sensing-based automobile driving control system according to claim 8, wherein the adjusting plate comprises a lower trough-shaped body and a top plate located at the top of the lower trough-shaped body, a partition plate is arranged in the middle of the inside of the lower trough-shaped body, a distance is reserved between the top end of the partition plate and the inner top wall of the sensor placing box, the partition plate divides the lower trough-shaped body into two chambers, liquid is respectively arranged in each chamber, and the liquid level of the liquid is flush with the upper end of the partition plate.
10. The intelligent tire sensing-based automobile driving control system according to claim 9, wherein two connecting rods perpendicular to the top plate are arranged on the top of the top plate, the connecting rods are arranged along the width direction of the top plate, and a hinge shaft is fixedly connected to the two connecting rods and rotatably arranged on the inner top wall of the sensor placing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300730.8A CN114475102A (en) | 2022-03-25 | 2022-03-25 | Automobile driving control system based on intelligent tire perception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300730.8A CN114475102A (en) | 2022-03-25 | 2022-03-25 | Automobile driving control system based on intelligent tire perception |
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| Publication Number | Publication Date |
|---|---|
| CN114475102A true CN114475102A (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210300730.8A Withdrawn CN114475102A (en) | 2022-03-25 | 2022-03-25 | Automobile driving control system based on intelligent tire perception |
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| Country | Link |
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| CN (1) | CN114475102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662186A (en) * | 2022-10-13 | 2023-01-31 | 安徽信息工程学院 | Vehicle obstacle avoidance method and system based on artificial intelligence |
-
2022
- 2022-03-25 CN CN202210300730.8A patent/CN114475102A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662186A (en) * | 2022-10-13 | 2023-01-31 | 安徽信息工程学院 | Vehicle obstacle avoidance method and system based on artificial intelligence |
| CN115662186B (en) * | 2022-10-13 | 2023-09-15 | 安徽信息工程学院 | Vehicle obstacle avoidance method and system based on artificial intelligence |
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Application publication date: 20220513 |