CN109693610A - A kind of application method of laser radar in automobile front anti-collision - Google Patents
A kind of application method of laser radar in automobile front anti-collision Download PDFInfo
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- CN109693610A CN109693610A CN201811637509.1A CN201811637509A CN109693610A CN 109693610 A CN109693610 A CN 109693610A CN 201811637509 A CN201811637509 A CN 201811637509A CN 109693610 A CN109693610 A CN 109693610A
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- Prior art keywords
- laser radar
- early warning
- automobile
- vehicle
- sound
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of laser radars in the application method of automobile front anti-collision, includes the following steps: step 1, installation；Step 2, operation；Step 3, analysis；Step 4, level-one sound early warning；Step 5 releases the early warning of level-one sound；Step 6, second level sound early warning；Step 7 releases the early warning of second level sound；Step 8, anticollision of actively braking；Step 9, release anticollision of actively braking, generally, the present invention has easy to use, and ranging is accurate, it can be with voice reminder, actively brake anticollision, when work more safety and stability the advantages of, the existing front anti-collision device of car applications distances of effective solution are close, system brake reaction not in time, implements not humanized enough the problem of brake measure.
Description
Technical field
The invention belongs to technical field of vehicle safety, more particularly to a kind of laser radar in the application side of automobile front anti-collision
Method.
Background technique
With progress of the epoch, the development of science and technology, people's lives trip mode are constantly changing, present every family is almost
There is an at least automobile to ride instead of walk, but traffic accident incidence is also being in geometric growth, automobile collision accident is hair
The principal mode of raw traffic accident, existing front anti-collision device of car applications distances are close, and system brake reaction not in time, is implemented to stop
Vehicle measure is not humanized enough.
Summary of the invention
The purpose of the present invention is to provide a kind of laser radars in the application method of automobile front anti-collision, and the laser radar is in vapour
The application method of Chinese herbaceous peony anticollision is easy to use, and ranging is accurate, can be with voice reminder, anticollision of actively braking, and when work is safer
Stablize, the existing front anti-collision device of car applications distances of effective solution are close, and system brake reaction not in time, implements brake measure
Not enough humanized problem has high use value.
The object of the present invention is achieved like this: a kind of laser radar automobile front anti-collision application method, including it is as follows
Step:
Installation: step 1 laser radar is installed on automobile front beam, is connected to automobile control by laser radar controller
System processed；
Step 2, operation: when running car, laser radar is started to work, and the ranging information of vehicle front is real by calculating
When be sent to automotive control system；
Step 3, analysis: if vehicle front barrier occurs or other vehicles enter within the scope of laser radar range, vapour
The real-time speed for the ranging information and automobile that vehicle control is fed back by laser radar controller carries out vehicle safety judgement；
Step 4, level-one sound early warning: while carrying out analysis, automotive control system controls vehicle-mounted early warning device and carries out
Level-one sound early warning carries out sound prompting to driver；
Step 5, release the early warning of level-one sound: if driver takes measures, laser radar detect vehicle front barrier or its
He disappears in the ranging range of laser radar vehicle, then controls vehicle-mounted early warning device by automotive control system and stop level-one sound
Sound early warning；
Step 6, second level sound early warning: if driver does not take measures, laser radar detect automobile and front obstacle or its
The distance between his vehicle is continuing to zoom out, then it is pre- to control vehicle-mounted early warning device progress second level sound by automotive control system
It is alert, sound prompting is carried out to driver；
Step 7 releases the early warning of second level sound: if driver takes measures, slowing down to vehicle, laser radar detects vapour
Vehicle and the distance between front obstacle or other vehicles pull open or laser radar detect vehicle front barrier or its
He disappears at vehicle, then controls vehicle-mounted early warning device by automotive control system and stop the early warning of second level sound；
Step 8, anticollision of actively braking: if driver does not take measures yet, survey that automotive control system is fed back by laser radar
Real-time speed away from information and automobile judge the spacing of automobile and front obstacle or other vehicles in unsafe range, then
Brake device of electric is controlled by automotive control system and carries out anticollision of actively braking, until automobile stops；
Step 9 is released and is actively braked anticollision: if ranging information that automotive control system is fed back by laser radar and automobile
Real-time speed judges the spacing of automobile and front obstacle or other vehicles in safe range, then the active for releasing automobile is stopped
Vehicle anticollision control.
The trigger condition of level-one sound early warning in the step four are as follows: if speed is 30 ㎞/h, laser radar is at 20 meters
Barrier is detected in range；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 40 meters；If speed is 80
㎞/h, laser radar detect barrier within the scope of 70 meters.
The trigger condition of second level sound early warning in the step six are as follows: if speed is 30 ㎞/h, laser radar is at 13 meters
Barrier is detected in range；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 27 meters；If speed is 80
㎞/h, laser radar detect barrier within the scope of 55 meters.
It actively brakes in the step eight trigger condition of anticollision are as follows: if speed is 30 ㎞/h, laser radar is in 7 meters of models
Barrier is detected in enclosing；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 18 meters；If speed is 80
㎞/h, laser radar detect barrier within the scope of 40 meters.
The prompt tone of level-one sound early warning is set as the rapid audio that ticks that ticks in the step four.
The prompt tone of second level sound early warning is set as the excessively close audio of spacing in the step six.
Actively brake in the step eight anticollision brake modes for point stop.
The beneficial effect comprise that: a kind of laser radar automobile front anti-collision application method, first is that, in speed
When being not zero, in the ranging range for having object to appear in laser radar, vehicle-mounted early warning device tick the sound prompting to tick
Driver has the effect of giving warning in advance.Second is that when speed is not zero, when automobile foremost object appears in corresponding speed
It is corresponding remind apart from when, vehicle-mounted early warning device carries out the excessively close audio of speed and reminds driver, has the function of safety prompt function.Three
Be, when speed is not zero, when the spacing of automobile and foremost object not in safe range when, automotive control system passes through electronics
Brake carries out a brake, until the spacing of automobile stopping or automobile and foremost object in safe range, is released and actively braked
Anticollision has the effect of that automobile actively brakes anticollision.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
With reference to the accompanying drawing to the embodiment of the present invention further instruction.
Embodiment 1
As shown in Fig. 1, a kind of laser radar includes the following steps: in the application method of automobile front anti-collision
Installation: step 1 laser radar is installed on automobile front beam, is connected to automobile control by laser radar controller
System processed；
Step 2, operation: when automobile speed is not zero, when driving with 30 ㎞/h speed, laser radar is started to work, by automobile
The ranging information in front is sent to automotive control system by calculating in real time；
Step 3, analysis: if vehicle front barrier occurs or other vehicles enter within the scope of laser radar range, vapour
The real-time speed for the ranging information and automobile that vehicle control is fed back by laser radar controller carries out vehicle safety judgement；
Step 4, level-one sound early warning: while carrying out analysis, laser radar detect automobile and front obstacle or
At 20 meters, automotive control system controls vehicle-mounted early warning device and carries out the early warning of level-one sound the distance between other vehicles, to driving
The person of sailing carries out sound prompting, and prompt tone is the rapid audio that ticks；
Step 5, release the early warning of level-one sound: if driver takes measures, laser radar detect vehicle front barrier or its
He disappears in the ranging range of laser radar vehicle, then controls vehicle-mounted early warning device by automotive control system and stop level-one sound
Sound early warning；
Step 6, second level sound early warning: if driver does not take measures, laser radar detect automobile and front obstacle or its
The distance between his vehicle then controls vehicle-mounted early warning device by automotive control system and carries out the early warning of second level sound at 13 meters,
Sound prompting is carried out to driver, prompt tone is the excessively close audio of spacing；
Step 7 releases the early warning of second level sound: if driver takes measures, slowing down to vehicle, laser radar detects vapour
Vehicle and the distance between front obstacle or other vehicles pull open or laser radar detect vehicle front barrier or its
He disappears at vehicle, then controls vehicle-mounted early warning device by automotive control system and stop the early warning of second level sound；
Step 8, anticollision of actively braking: if driver does not take measures yet, survey that automotive control system is fed back by laser radar
Real-time speed away from information and automobile judges that automobile at 7 meters, then passes through vapour with front obstacle or the spacing of other vehicles
Vehicle control control brake device of electric carries out anticollision of actively braking, and brake modes are that point is stopped, until automobile stopping；
Step 9 is released and is actively braked anticollision: if ranging information that automotive control system is fed back by laser radar and automobile
Real-time speed judges the spacing of automobile and front obstacle or other vehicles in safe range, then the active for releasing automobile is stopped
Vehicle anticollision control.
Embodiment 2
As shown in Fig. 1, a kind of laser radar includes the following steps: in the application method of automobile front anti-collision
Installation: step 1 laser radar is installed on automobile front beam, is connected to automobile control by laser radar controller
System processed；
Step 2, operation: when automobile speed is not zero, when driving with 50 ㎞/h speed, laser radar is started to work, by automobile
The ranging information in front is sent to automotive control system by calculating in real time；
Step 3, analysis: if vehicle front barrier occurs or other vehicles enter within the scope of laser radar range, vapour
The real-time speed for the ranging information and automobile that vehicle control is fed back by laser radar controller carries out vehicle safety judgement；
Step 4, level-one sound early warning: while carrying out analysis, laser radar detect automobile and front obstacle or
At 40 meters, automotive control system controls vehicle-mounted early warning device and carries out the early warning of level-one sound the distance between other vehicles, to driving
The person of sailing carries out sound prompting, and prompt tone is the rapid audio that ticks；
Step 5, release the early warning of level-one sound: if driver takes measures, laser radar detect vehicle front barrier or its
He disappears in the ranging range of laser radar vehicle, then controls vehicle-mounted early warning device by automotive control system and stop level-one sound
Sound early warning；
Step 6, second level sound early warning: if driver does not take measures, laser radar detect automobile and front obstacle or its
The distance between his vehicle then controls vehicle-mounted early warning device by automotive control system and carries out the early warning of second level sound at 27 meters,
Sound prompting is carried out to driver, prompt tone is the excessively close audio of spacing；
Step 7 releases the early warning of second level sound: if driver takes measures, slowing down to vehicle, laser radar detects vapour
Vehicle and the distance between front obstacle or other vehicles pull open or laser radar detect vehicle front barrier or its
He disappears at vehicle, then controls vehicle-mounted early warning device by automotive control system and stop the early warning of second level sound；
Step 8, anticollision of actively braking: if driver does not take measures yet, survey that automotive control system is fed back by laser radar
Real-time speed away from information and automobile judges that automobile at 18 meters, then passes through vapour with front obstacle or the spacing of other vehicles
Vehicle control control brake device of electric carries out anticollision of actively braking, and brake modes are that point is stopped, until automobile stopping；
Step 9 is released and is actively braked anticollision: if ranging information that automotive control system is fed back by laser radar and automobile
Real-time speed judges the spacing of automobile and front obstacle or other vehicles in safe range, then the active for releasing automobile is stopped
Vehicle anticollision control.
Embodiment 3
As shown in Fig. 1, a kind of laser radar includes the following steps: in the application method of automobile front anti-collision
Installation: step 1 laser radar is installed on automobile front beam, is connected to automobile control by laser radar controller
System processed；
Step 2, operation: when automobile speed is not zero, when driving with 80 ㎞/h speed, laser radar is started to work, by automobile
The ranging information in front is sent to automotive control system by calculating in real time；
Step 3, analysis: if vehicle front barrier occurs or other vehicles enter within the scope of laser radar range, vapour
The real-time speed for the ranging information and automobile that vehicle control is fed back by laser radar controller carries out vehicle safety judgement；
Step 4, level-one sound early warning: while carrying out analysis, laser radar detect automobile and front obstacle or
At 70 meters, automotive control system controls vehicle-mounted early warning device and carries out the early warning of level-one sound the distance between other vehicles, to driving
The person of sailing carries out sound prompting, and prompt tone is the rapid audio that ticks；
Step 5, release the early warning of level-one sound: if driver takes measures, laser radar detect vehicle front barrier or its
He disappears in the ranging range of laser radar vehicle, then controls vehicle-mounted early warning device by automotive control system and stop level-one sound
Sound early warning；
Step 6, second level sound early warning: if driver does not take measures, laser radar detect automobile and front obstacle or its
The distance between his vehicle then controls vehicle-mounted early warning device by automotive control system and carries out the early warning of second level sound at 55 meters,
Sound prompting is carried out to driver, prompt tone is the excessively close audio of spacing；
Step 7 releases the early warning of second level sound: if driver takes measures, slowing down to vehicle, laser radar detects vapour
Vehicle and the distance between front obstacle or other vehicles pull open or laser radar detect vehicle front barrier or its
He disappears at vehicle, then controls vehicle-mounted early warning device by automotive control system and stop the early warning of second level sound；
Step 8, anticollision of actively braking: if driver does not take measures yet, survey that automotive control system is fed back by laser radar
Real-time speed away from information and automobile judges that automobile at 40 meters, then passes through vapour with front obstacle or the spacing of other vehicles
Vehicle control control brake device of electric carries out anticollision of actively braking, and brake modes are that point is stopped, until automobile stopping；
Step 9 is released and is actively braked anticollision: if ranging information that automotive control system is fed back by laser radar and automobile
Real-time speed judges the spacing of automobile and front obstacle or other vehicles in safe range, then the active for releasing automobile is stopped
Vehicle anticollision control.
Generally, the present invention has easy to use, and ranging is accurate, can be with voice reminder, anticollision of actively braking, when work more
The advantages of adding safety and stability, the existing front anti-collision device of car applications distances of effective solution are close, system brake reaction not in time,
Implement not humanized enough the problem of brake measure.
Claims (7)
1. a kind of laser radar is in the application method of automobile front anti-collision, which comprises the steps of:
Installation: step 1 laser radar is installed on automobile front beam, is connected to automobile control by laser radar controller
System processed；
Step 2, operation: when running car, laser radar is started to work, and the ranging information of vehicle front is real by calculating
When be sent to automotive control system；
Step 3, analysis: if vehicle front barrier occurs or other vehicles enter within the scope of laser radar range, vapour
The real-time speed for the ranging information and automobile that vehicle control is fed back by laser radar controller carries out vehicle safety judgement；
Step 4, level-one sound early warning: while carrying out analysis, automotive control system controls vehicle-mounted early warning device and carries out
Level-one sound early warning carries out sound prompting to driver；
Step 5, release the early warning of level-one sound: if driver takes measures, laser radar detect vehicle front barrier or its
He disappears in the ranging range of laser radar vehicle, then controls vehicle-mounted early warning device by automotive control system and stop level-one sound
Sound early warning；
Step 6, second level sound early warning: if driver does not take measures, laser radar detect automobile and front obstacle or its
The distance between his vehicle is continuing to zoom out, then it is pre- to control vehicle-mounted early warning device progress second level sound by automotive control system
It is alert, sound prompting is carried out to driver；
Step 7 releases the early warning of second level sound: if driver takes measures, slowing down to vehicle, laser radar detects vapour
Vehicle and the distance between front obstacle or other vehicles pull open or laser radar detect vehicle front barrier or its
He disappears at vehicle, then controls vehicle-mounted early warning device by automotive control system and stop the early warning of second level sound；
Step 8, anticollision of actively braking: if driver does not take measures yet, survey that automotive control system is fed back by laser radar
Real-time speed away from information and automobile judge the spacing of automobile and front obstacle or other vehicles in unsafe range, then
Brake device of electric is controlled by automotive control system and carries out anticollision of actively braking, until automobile stops；
Step 9 is released and is actively braked anticollision: if ranging information that automotive control system is fed back by laser radar and automobile
Real-time speed judges the spacing of automobile and front obstacle or other vehicles in safe range, then the active for releasing automobile is stopped
Vehicle anticollision control.
2. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
The trigger condition of level-one sound early warning in step 4 are as follows: if speed is 30 ㎞/h, laser radar detects barrier within the scope of 20 meters
Hinder object；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 40 meters；If speed is 80 ㎞/h, laser radar
Barrier is detected within the scope of 70 meters.
3. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
The trigger condition of second level sound early warning in step 6 are as follows: if speed is 30 ㎞/h, laser radar detects barrier within the scope of 13 meters
Hinder object；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 27 meters；If speed is 80 ㎞/h, laser radar
Barrier is detected within the scope of 55 meters.
4. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
It actively brakes in step 8 the trigger condition of anticollision are as follows: if speed is 30 ㎞/h, laser radar detects obstacle within the scope of 7 meters
Object；If speed is 50 ㎞/h, laser radar detects barrier within the scope of 18 meters；If speed is 80 ㎞/h, laser radar exists
Barrier is detected within the scope of 40 meters.
5. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
The prompt tone of level-one sound early warning is set as the rapid audio that ticks in step 4.
6. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
The prompt tone of second level sound early warning is set as the excessively close audio of spacing in step 6.
7. a kind of laser radar according to claim 1 is in the application method of automobile front anti-collision, which is characterized in that described
Actively brake in step 8 anticollision brake modes for point stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637509.1A CN109693610A (en) | 2018-12-29 | 2018-12-29 | A kind of application method of laser radar in automobile front anti-collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637509.1A CN109693610A (en) | 2018-12-29 | 2018-12-29 | A kind of application method of laser radar in automobile front anti-collision |
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| CN109693610A true CN109693610A (en) | 2019-04-30 |
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| CN201811637509.1A Pending CN109693610A (en) | 2018-12-29 | 2018-12-29 | A kind of application method of laser radar in automobile front anti-collision |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104648245A (en) * | 2015-02-04 | 2015-05-27 | 深圳市航盛电子股份有限公司 | Forward anti-collision early-warning method based on laser radar |
| CN107031621A (en) * | 2016-11-21 | 2017-08-11 | 南宁市浩发科技有限公司 | A kind of automobile anti-collision method |
| CN107444129A (en) * | 2017-09-13 | 2017-12-08 | 洛阳大河新能源车辆有限公司 | A kind of operating method of electric car reverse anti-collision system |
| CN107845291A (en) * | 2017-10-26 | 2018-03-27 | 中国外运大件物流有限公司 | The anti-collision early warning system of vehicle and the vehicle for including it |
| CN108515934A (en) * | 2018-05-10 | 2018-09-11 | 芜湖航飞科技股份有限公司 | A kind of vehicle anti-collision early warning method and system based on more radars |
-
2018
- 2018-12-29 CN CN201811637509.1A patent/CN109693610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104648245A (en) * | 2015-02-04 | 2015-05-27 | 深圳市航盛电子股份有限公司 | Forward anti-collision early-warning method based on laser radar |
| CN107031621A (en) * | 2016-11-21 | 2017-08-11 | 南宁市浩发科技有限公司 | A kind of automobile anti-collision method |
| CN107444129A (en) * | 2017-09-13 | 2017-12-08 | 洛阳大河新能源车辆有限公司 | A kind of operating method of electric car reverse anti-collision system |
| CN107845291A (en) * | 2017-10-26 | 2018-03-27 | 中国外运大件物流有限公司 | The anti-collision early warning system of vehicle and the vehicle for including it |
| CN108515934A (en) * | 2018-05-10 | 2018-09-11 | 芜湖航飞科技股份有限公司 | A kind of vehicle anti-collision early warning method and system based on more radars |
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Application publication date: 20190430 |