CN113147749A - Turn A post blind area barrier warning system - Google Patents
Turn A post blind area barrier warning system Download PDFInfo
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- CN113147749A CN113147749A CN202110449087.0A CN202110449087A CN113147749A CN 113147749 A CN113147749 A CN 113147749A CN 202110449087 A CN202110449087 A CN 202110449087A CN 113147749 A CN113147749 A CN 113147749A
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- 230000004888 barrier function Effects 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a turning A-column blind area obstacle reminding system which comprises a forward obstacle detection sensor, a steering mechanism, a controller and a reminding system. The outer extension distance of A post blind area department is good in the standardization, and the detection border to the preceding barrier detection sensor detection radiation angle one side passes the easy pedestrian's of colliding distance point before the A post blind area for turn to the in-process, preceding barrier detection sensor can detect the blind area movement barrier and avoid reminding.
Description
Technical Field
The invention belongs to a vehicle blind area detection technology, and particularly relates to a turning A-column blind area barrier reminding system.
Background
The a-pillar blind spot occupies an angle of 25 ° in all the blind spots of an automobile, but can cause 30% of traffic accidents. The main harm of the blind area of the A column is generated under the condition that a vehicle is quickly bent, and the fact that no sundries or even children exist under the blind area of a vehicle head must be paid attention to, so that serious consequences are avoided.
A plurality of blind areas on the vehicle can be avoided by the 360-degree panoramic image, but the 360-degree panoramic image is lost during image fusion, and the blind area within a range of 25 degrees cannot be accurately displayed. The blind area on the vehicle can also monitor the obstacle condition in the 360-degree range of the vehicle through the radar arranged on the periphery of the vehicle body. However, the radar is generally a millimeter wave radar, the detection range of the radar is limited, the feedback speed is slow, and if the radar is used for avoiding the influence of the A-pillar blind area, the vehicle owner must slow down the vehicle speed to a controllable value. If the vehicle speed can drop to a low level, the owner has full time to observe, so the radar system has little meaning to avoid the A-pillar blind spot.
At present, the problem of a column A blind area is solved by a method of installing a display screen on a column A, but the cost of the display screen is too high, and the implementation, popularization and cost performance of the display screen are waiting for market verification.
Therefore, there is a need to develop an integrated a-pillar blind spot detection system with a simple structure.
Disclosure of Invention
The invention discloses a system for reminding obstacles in a turning A-column blind area, which is used for controlling a front obstacle detection sensor to rotate along with the turning when a driver turns, and early warning the driver when detecting moving obstacles in the A-column blind area.
The invention discloses a turning A-column blind area obstacle reminding system which comprises a forward obstacle detection sensor, a steering mechanism, a controller and a reminding system, wherein the forward obstacle detection sensor is connected with the steering mechanism;
the forward obstacle detection sensor is arranged in the center of the front bumper and scans a forward obstacle target; the steering mechanism rotates to drive the forward obstacle detection sensor to rotate; the controller receives a vehicle steering command and controls the steering mechanism to rotate so as to drive the forward obstacle detection sensor to rotate;
the blind area angle of the A column is formed by projecting the eyes of a driver to the edges of the two sides of the A column; the detection radiation angle of the rotated front obstacle detection sensor covers a certain range of outward extension of the blind area angle of the A column; the front obstacle detection sensor detects moving obstacles in a detection range, and informs a prompt system to start driver prompt after the obstacles are detected.
Furthermore, the angle center line of the blind area angle of the A column extends outwards and is divided into distance scales according to a certain length distance as a unit; the steering angle control of the forward obstacle detection sensor is: the detection radiation angle rotates along with the detection angle boundary line on one side of the vehicle rotation direction to a scale point which penetrates through the center line of the A-pillar blind area angle and extends outwards for a certain distance.
Furthermore, the center line of the angle of the dead zone of the column A extends outwards for 5 meters, and distance scales are defined according to the unit of 1 meter; the steering angle control of the forward obstacle detection sensor is: the detection radiation angle rotates along with the detection angle boundary line on one side of the vehicle rotation direction to a scale point which passes through the center line of the A-pillar blind area angle and extends outwards for 1 meter.
Further, the controller controls the rotational angular velocity of the forward obstacle detection sensor in accordance with the vehicle steering angular velocity.
Further, the prompting system is a projection device; the front obstacle detection sensor detects moving obstacles and transmits obstacle information to the controller, and the controller controls the projection equipment to project obstacle prompt graphs to the A column.
Furthermore, the prompting system is a voice prompting system; the front obstacle detection sensor detects a moving obstacle and transmits obstacle information to the controller, and the controller controls the sound prompt system to sound to prompt the existence of the moving obstacle.
The beneficial technical effects of the invention are as follows: the outer extension distance of A post blind area department is good in the standardization, and the detection border to the preceding barrier detection sensor detection radiation angle one side passes the easy pedestrian's of colliding distance point before the A post blind area for turn to the in-process, preceding barrier detection sensor can detect the blind area movement barrier and avoid reminding.
Drawings
FIG. 1 is a schematic view of a vehicle curve;
fig. 2 is a schematic view of a forward obstacle detection sensor follower.
Detailed Description
The invention discloses a turning A-column 1 blind area obstacle reminding system which comprises a forward obstacle detection sensor 3, a steering mechanism, a controller and a reminding system.
The forward obstacle detection sensor 3 is arranged in the center of the front bumper and scans a forward obstacle target; the steering mechanism rotates to drive the forward obstacle detection sensor to rotate; the controller receives a steering instruction of the vehicle 4 and controls the steering mechanism to rotate so as to drive the forward obstacle detection sensor to rotate;
the driver's eyes 2 are projected to the edges of the two sides of the A column 1 to form an angle C of a dead zone of the A column; the detection radiation angle B after the forward obstacle detection sensor rotates covers a certain range B' of the outward extension of the A column blind area angle C; the forward obstacle detection sensor 3 detects moving obstacles within a detection range, and notifies a prompt system to start driver prompting after detecting the obstacles.
The angle center line of the dead zone angle of the A column extends outwards and is divided into distance scales according to a certain length distance as a unit; the steering angle control of the forward obstacle detection sensor is: the detection radiation angle rotates along with the detection boundary line on one side of the rotation direction of the vehicle to a scale point which penetrates through the center line of the A-pillar blind area angle and extends outwards for a certain distance.
The angle center line of the blind area angle of the A column extends outwards for 5 meters, and distance scales are defined according to the unit of 1 meter; the steering angle control of the forward obstacle detection sensor is: the angle of the detected radiation rotates with the detection boundary line on one side of the vehicle rotation direction to a scale point which passes through the center line of the A-pillar blind area angle C and extends outwards for 1 meter. As shown in fig. 2, the thick line region is the a-pillar blind area detection range of the forward obstacle detection sensor.
The controller controls the rotational angular velocity of the forward obstacle detection sensor in accordance with the vehicle steering angular velocity.
The prompting system is projection equipment; the front obstacle detection sensor detects moving obstacles and transmits obstacle information to the controller, and the controller controls the projection equipment to project obstacle prompt graphs to the A column.
The prompting system is a sound prompting system; the front obstacle detection sensor detects a moving obstacle and transmits obstacle information to the controller, and the controller controls the sound prompt system to sound to prompt the existence of the moving obstacle.
Claims (6)
1. Turn A post blind area barrier warning system, its characterized in that: the device comprises a forward obstacle detection sensor (3), a steering mechanism, a controller and a prompt system;
the forward obstacle detection sensor (3) is arranged in the center of the front bumper and scans a forward obstacle target; the steering mechanism rotates to drive the front obstacle detection sensor (3) to rotate; the controller receives a steering instruction of the vehicle (4) and controls the steering mechanism to rotate so as to drive the forward obstacle detection sensor (3) to rotate;
the driver's eyes (2) are projected to the edges of the two sides of the A column (1) to form an A column blind zone angle (C); the detection radiation angle (B) after the forward obstacle detection sensor rotates covers a certain range (B') of the outward extension of the A column blind area angle (C); the front obstacle detection sensor (3) detects moving obstacles in a detection range and informs a prompt system to start driver prompt after the obstacles are detected.
2. The turning a-pillar blind spot obstacle alert system as recited in claim 1, further comprising: the angle center line of the A column dead zone angle (B) extends outwards and is divided into distance scales according to a certain length distance as a unit; the steering angle of the forward obstacle detection sensor (3) is controlled as follows: the detection radiation angle (B) rotates along with the detection angle boundary line on one side of the vehicle rotation direction to a scale point which penetrates through the center line of the A-column blind area angle (C) and extends outwards for a certain distance.
3. The turning a-pillar blind spot obstacle alert system as recited in claim 2, wherein: the central line of the angle of the dead zone of the column A extends outwards for 5 meters, and distance scales are defined according to the unit of 1 meter; the steering angle of the forward obstacle detection sensor (3) is controlled as follows: the detection radiation angle (B) rotates along with the detection angle boundary line on one side of the vehicle rotation direction to a scale point which passes through the center line of the A-column blind area angle (C) and extends outwards for 1 meter.
4. The turning a-pillar blind spot obstacle alert system as recited in claim 3, further comprising: the controller controls the rotational angular velocity of the forward obstacle detection sensor (3) in accordance with the vehicle steering angular velocity.
5. The turning a-pillar blind spot obstacle alert system as recited in claim 4, wherein: the prompting system is projection equipment; the front obstacle detection sensor detects moving obstacles and transmits obstacle information to the controller, and the controller controls the projection equipment to project obstacle prompt graphs to the A column.
6. The turning a-pillar blind spot obstacle alert system as recited in claim 5, further comprising: the prompting system is a sound prompting system; the front obstacle detection sensor (3) detects a moving obstacle and transmits obstacle information to the controller, and the controller controls the sound prompt system to sound to prompt the moving obstacle to exist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449087.0A CN113147749A (en) | 2021-04-25 | 2021-04-25 | Turn A post blind area barrier warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449087.0A CN113147749A (en) | 2021-04-25 | 2021-04-25 | Turn A post blind area barrier warning system |
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| CN113147749A true CN113147749A (en) | 2021-07-23 |
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| CN202110449087.0A Pending CN113147749A (en) | 2021-04-25 | 2021-04-25 | Turn A post blind area barrier warning system |
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Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |