CN108621933A - A kind of vehicle-mounted control method and system based on active safety technologies - Google Patents
A kind of vehicle-mounted control method and system based on active safety technologies Download PDFInfo
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- CN108621933A CN108621933A CN201810444277.1A CN201810444277A CN108621933A CN 108621933 A CN108621933 A CN 108621933A CN 201810444277 A CN201810444277 A CN 201810444277A CN 108621933 A CN108621933 A CN 108621933A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/804—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for lane monitoring
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- Mechanical Engineering (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The vehicle-mounted control method based on active safety technologies that the invention discloses a kind of obtaining the target data of acquisition module acquisition first；Then judge whether target data is more than given threshold；If it is, controlling loudspeaker exports satisfactory volume.It can be seen that, the control method, when emergency occurs for vehicle, satisfactory volume can be exported according to the timely controlling loudspeaker of target data that acquisition module acquires, the sound size that the interior driver of guarantee can perceive is in rational safety value, avoid due to interior sound it is excessive caused by driver cope with emergency when respond and the weak problem of judgement, and then improve the respond and judgement of driver, reduce the probability that vehicle is caused danger.In addition, the invention also discloses a kind of vehicle control syetem based on active safety technologies, effect is as above.
Description
Technical field
The present invention relates to field of automobile electronic control, more particularly to a kind of vehicle-mounted control method based on active safety technologies
And system.
Background technology
With the development of science and technology, automobile is more and more intelligent, automobile active safety technology application is also more and more extensive, works as vapour
Under steam in case of emergency, automobile active safety technology can assist driver to complete the relevant actions such as self-actuating brake to vehicle,
The active safety characteristic of automobile can be promoted.
There is data research to show, when interior sound is more than 60 decibels, the sensory perceptual system of people can obviously lag about
0.5s, and when automobile in case of emergency, interior sound is bigger, the mood of driver and to the processing of emergency and sentences
Cutting capacity can be weaker.If noise is more than 90 decibels, it is equivalent to and places oneself in the midst of in a music bar or subway station, at this moment the eye of people
The bright susceptibility of eyeball difference will reduce；115 decibels of noise can make eyes decline 20% to the susceptibility of brightness, noise
It is bigger, see that the clarity of things is also poorer.If played in such a closed space in compartment sound is larger, rhythm compared with
Fast music, sound equipment can combine with the vibrations of vehicle has an effect, and sound easily reaches 95 decibels, driver can be caused to listen at this time
Dispersion attention in feel, and then driver can be influenced, object and event are discovered.For example, being played on central vehicle display
Musical sound may interfere with the observation of driver's road pavement, make it that can not inspect close vehicle, and then occur
It is dangerous.
It can be seen that how to overcome when emergency occurs for vehicle, since driver has little time to adjust interior broadcasting
The audio and video volume put, interior sound is excessive, so cause driver cope with emergency when respond and judgement
Weak, the high problem of probability that vehicle is caused danger is those skilled in the art's urgent problem to be solved.
Invention content
The embodiment of the present application provides a kind of vehicle-mounted control method and system based on active safety technologies, existing to solve
Since interior sound is excessive in technology, so cause driver cope with emergency when respond and judgement it is weak, vehicle
The high problem of the probability caused danger.
In order to solve the above technical problems, the present invention provides a kind of vehicle-mounted control method based on active safety technologies, packet
It includes
Obtain the target data of acquisition module acquisition；
Judge whether the target data is more than given threshold；
If it is, controlling the loud speaker exports satisfactory volume.
Preferably, it is described judge the target data whether more than given threshold be specially：
Judge whether the distance acquired apart from acquisition module is less than the audio that given threshold and/or audio collection module acquire
Whether the volume in signal is higher than given threshold；
If it is, the step of exporting satisfactory volume into the control loud speaker.
Preferably, it is described judge the distance acquired apart from acquisition module whether less than given threshold be specially：
Judge whether the distance is more than the first given threshold and is less than or equal to the second given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than first object given threshold；
Wherein, second given threshold is more than first given threshold.
Preferably, described to judge whether the distance acquired apart from acquisition module is less than given threshold, further include：
Judge whether the distance is more than third given threshold and is less than or equal to first given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than the second goal-setting threshold value；
Wherein, first given threshold is more than the third given threshold, and the second goal-setting threshold value is less than institute
State first object given threshold.
Preferably, described to judge whether the distance acquired apart from acquisition module is less than given threshold, further include：
Judge whether the distance is more than the 4th given threshold and is less than or equal to the third given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than third goal-setting threshold value；
Wherein, the third given threshold is more than the 4th given threshold, and the third goal-setting threshold value is less than institute
State the second goal-setting threshold value.
In order to solve the above technical problems, the present invention also provides a kind of and vehicle-mounted control methods based on active safety technologies
Corresponding vehicle control syetem, including：
Controller, loud speaker and acquisition module；
The controller is connect with the acquisition module and the loud speaker respectively, when the target of acquisition module acquisition
When data are more than given threshold, control the loud speaker and export satisfactory volume.
Preferably, the acquisition module is specifically included apart from acquisition module and/or audio collection module；
It is described to run the distance between vehicle-to-target vehicle or target obstacle for acquiring apart from acquisition module；
The audio collection module is used to acquire the audio signal in the operation vehicle.
Preferably, the number apart from acquisition module is 2, and respectively first adopts apart from acquisition module and second distance
Collect module；
Described first is used to acquire between operation vehicle and front vehicles or the front obstacle apart from acquisition module
Distance；
The second distance acquisition module is for acquiring between operation vehicle and front vehicle or the rear obstacle
Distance.
Preferably, further include：
The camera being connect with the controller, the camera is for shooting the rear vehicle vehicle or rear barrier
Object and the front vehicles or the front obstacle are hindered to be shown so that corresponding image information is sent to Vehicular display device.
Preferably, further include：
The alarm module being connect with the controller, the alarm module are used to be less than the first given threshold when the distance
And/or the volume in the audio signal be higher than the second given threshold when, alarm.
Compared with the prior art, a kind of vehicle-mounted control method based on active safety technologies provided by the present invention, first
Obtain the target data of acquisition module acquisition；Then judge whether target data is more than given threshold；If it is, control is raised one's voice
Device exports satisfactory volume.It can be seen that the control method can be according to acquisition mould when emergency occurs for vehicle
The timely controlling loudspeaker of target data of block acquisition exports satisfactory volume, ensures the sound that interior driver can perceive
Size avoids reaction energy when coping with emergency due to the excessive caused driver of interior sound in rational safety value
Power and the weak problem of judgement, and then the respond and judgement of driver is improved, reduce vehicle and causes danger
Probability.In addition, the present invention also provides a kind of vehicle control syetem based on active safety technologies, effect is as above.
Description of the drawings
A kind of vehicle-mounted control method flow diagram based on active safety technologies that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 triggers logical schematic by the ACC control systems that the embodiment of the present invention provides；
Fig. 3 forms signal by a kind of vehicle control syetem based on active safety technologies that the embodiment of the present invention provides
Figure.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of vehicle-mounted control method and system based on active safety technologies, can solve existing
Respond and judgement when having since interior sound is excessive in technology, and then driver being caused to cope with emergency is weak,
The high problem of probability that vehicle is caused danger.
In order to make those skilled in the art more fully understand the solution of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is described in further detail for formula.
A kind of vehicle-mounted control method flow diagram based on active safety technologies that Fig. 1 is provided by the embodiment of the present invention, such as
Shown in Fig. 1, which includes the following steps：
S101：Obtain the target data of acquisition module acquisition.
S102：Judge whether target data is more than given threshold, if it is, entering step S103.
S103：Controlling loudspeaker exports satisfactory volume.
In vehicle operation, car entertainment terminal control system can obtain the number of targets of acquisition module acquisition in real time
According to；And the target data of acquisition is judged, when the target data of acquisition is more than given threshold, just control associated loudspeaker
Export satisfactory volume.Given threshold is set in advance, be specifically set as it is how many properly can according to the experience of accumulation and
Actual conditions determine；The number of loud speaker can be multiple, and several loud speakers, which are specifically arranged, can properly be set according to actual conditions,
The present invention does not limit.Certainly, the size of given threshold and the number of loud speaker have no effect on the realization of the embodiment of the present application.
In practical applications, preferably embodiment, judge target data whether more than given threshold be specially：Sentence
Whether turn-off is less than the sound in the audio signal that given threshold and/or audio collection module acquire with a distance from acquisition module acquisition
Whether amount is higher than given threshold；If it is, entering step S103.If it is not, then normal play, i.e. interior audio and video
Sound itself, which has, much just exports great sound.
In vehicle operation, can utilize acquired in real time apart from acquisition module current operation vehicle and front vehicles or
The distance between barrier can also acquire current vehicle and the distance between front vehicle or rear obstacle in real time, also with regard to
The distance between vehicle or barrier of current vehicle and left and right directions can be acquired in real time；Audio collection module, which can acquire, to be worked as
Audio signal in preceding operation vehicle；When the controller in vehicle control syetem judges that corresponding distance is less than given threshold
And/or the volume in audio signal exports satisfactory volume when being higher than given threshold with regard to controlling loudspeaker, that is to say, that
Distance needs controlling loudspeaker to export the volume in satisfactory volume, audio signal higher than setting threshold when being less than given threshold
Controlling loudspeaker is needed to export satisfactory volume and apart from when being less than given threshold and volume is higher than given threshold when value
It is also required to controlling loudspeaker and exports satisfactory volume, i.e., be required for controlling loudspeaker output satisfactory in the case of three kinds
Volume causes vehicle to be caused danger when emergency occurs to prevent currently running vehicle since interior sound is excessive.The application
The corresponding given threshold of distance and the corresponding given threshold of volume are different in embodiment, and the two is independent of each other, this setting
Threshold value is all rule of thumb and actual conditions are set in advance.
A kind of vehicle-mounted control method based on active safety technologies provided by the present invention obtains acquisition module acquisition first
Target data；Then judge whether target data is more than given threshold；If it is, controlling loudspeaker output is satisfactory
Volume.It can be seen that the control method can be according to the target data of acquisition module acquisition when emergency occurs for vehicle
Timely controlling loudspeaker exports satisfactory volume, and the sound size that the interior driver of guarantee can perceive is in rational safety
In value, avoid due to interior sound it is excessive caused by driver cope with emergency when respond and judgement it is weak
Problem, and then the respond and judgement of driver are improved, reduce the probability that vehicle is caused danger.
On the basis of the above embodiments, preferably embodiment, judges that the distance acquired apart from acquisition module is
It is no to be specially less than given threshold：
Judge whether distance is more than the first given threshold and is less than or equal to the second given threshold；
If it is, controlling loudspeaker output volume value is less than the volume of first object given threshold；
Wherein, the second given threshold is more than the first given threshold.
On the basis of the above embodiments, preferably embodiment, judges that the distance acquired apart from acquisition module is
It is no to be less than given threshold, further include：
Judge whether distance is more than third given threshold and is less than or equal to the first given threshold；
If it is, controlling loudspeaker output volume value is less than the volume of the second goal-setting threshold value；
Wherein, the first given threshold is more than third given threshold, and the second goal-setting threshold value is less than first object and sets threshold
Value.
On the basis of the above embodiments, preferably embodiment, judges that the distance acquired apart from acquisition module is
It is no to be less than given threshold, further include：
Judge whether distance is more than the 4th given threshold and is less than or equal to third given threshold；
If it is, controlling loudspeaker output volume value is less than the volume of third goal-setting threshold value；
Wherein, third given threshold is more than the 4th given threshold, and third goal-setting threshold value is less than the second goal-setting threshold
Value.
In order to further improve vehicle operation safety, specifically, when get apart from acquisition module acquire away from
From more than the first given threshold and less than or equal to the second given threshold when, then controlling loudspeaker output volume value be less than the first mesh
Mark the volume of given threshold.In order to further improve the safety of vehicle operation, when judge to acquire apart from acquisition module
When distance is more than third given threshold and is less than or equal to the first given threshold, then controlling loudspeaker output volume value is less than second
The volume of goal-setting threshold value；When judging that the distance acquired apart from acquisition module is more than the 4th given threshold and is less than or equal to
When third given threshold, then controlling loudspeaker output volume value is less than the volume of third goal-setting threshold value.
It is understood that the first given threshold, the second given threshold, third given threshold and the 4th given threshold and
First object given threshold, the second goal-setting threshold value and third goal-setting threshold value are for the setting of difference different phase
Threshold value and goal-setting threshold value are named according to hobby and custom, and there is no other Special Significances；Each given threshold and target are set
Determining the size of threshold value can be set in advance according to actual conditions, the naming method of certain given threshold and goal-setting threshold value and
Size has no effect on the realization of the embodiment of the present application.
Fig. 2 triggers logical schematic by the ACC control systems that the embodiment of the present invention provides, as shown in Fig. 2, actually answering
In, braking is stepped on after driver hears alarm, but brake force deficiency is to avoid collision, driver activation's emergency brake assistance
When function, ACC control systems can be divided into three processes and be controlled, and first process is denoted as L1, and second process is denoted as L2, the
Three processes are denoted as L3, as shown in Fig. 2, the process is elaborated as follows：
The L1 stages：When the vehicle is driving up the road, the front millimeter wave radar of ACC control systems can detect always vehicle
The state in front, when driving vehicle and front vehicles or front obstacle enter there are behind risk of collision region, ACC control systems
Acousto-optic can be started and remind driver, level-one warning prompt is simultaneously emitted by and gives car entertainment terminal control system, that is, work as distance
When the distance of acquisition module acquisition is more than the first given threshold and is less than or equal to the second given threshold, coherent signal can be sent
To car entertainment terminal control system.After car entertainment terminal control system receives coherent signal, controlling loudspeaker will be current
Volume adjustment is prewarning area volume (volume for being less than first object given threshold), when ACC control systems send out level-one warning
When prompt, illustrate that operation the distance between vehicle and other vehicles or barrier is safe distance at this time, driver can be according to
Speed normally travel before, when sending out level-one warning prompt, the embodiment of the present application preferably can be by the volume value of loud speaker
45 decibels are adjusted to, but is not limited to 45 decibels, other values can also be adjusted to according to actual conditions, the present invention does not limit
It is fixed.
The L2 stages：If vehicle continues to move ahead, when being more nearly with front vehicles or barrier, ACC control systems can start
Point brake auxiliary alarm system, ACC system can be with -1.5m/s at this time2To -3.5m/s2Acceleration deceleration execution point brake action, together
When ACC control systems send out two level warning instruction (distance acquire apart from acquisition module more than third given threshold and be less than or
Equal to the first given threshold) it is prompted to car entertainment terminal control system, car entertainment terminal control system receives corresponding
After signal, current volume is adjusted to the volume (volume for being less than the second goal-setting threshold value) of smaller rank by controlling loudspeaker.
The L3 stages：Hereafter when driver, which intervenes, to brake with all strength, ACC control systems also ask startup emergency braking auxiliary simultaneously
Helping EBA systems quickly makes operation vehicle stop, and ACC control systems can send out three-level warning prompt instruction (distance acquisition mould at this time
The distance of block acquisition is more than the 4th given threshold and is less than or equal to third given threshold) to recreation terminal control system, it is vehicle-mounted
After recreation terminal control system receives corresponding signal, controlling loudspeaker, which adjusts current volume to minimum volume, (is less than the
The volume of three goal-setting threshold values), to be enough to ensure that driver carries out emergency braking under quietly interference-free environment
Or the evacuation of urgent barrier can be kept away in time as shown in Fig. 2, curve 1 is the curve graph activated after function of emergency brake assist
Exempt from operation vehicle to cause danger；Curve 2 is the curve graph of un-activation function of emergency brake assist, that is to say, that if driver
Hearing three-level warning prompt, if not activating function of emergency brake assist, at this moment timely driver floors brake, collision
It is also unavoidable, that is, runs vehicle and enter the L4 stages.
Braking is not stepped on always after driver hears alarm, but when brake force is enough to avoid collision, as shown in Fig. 2, driving
The person of sailing can be when hearing that three-level alarm enters the L3 stages with -8m/s2Acceleration carry out all one's effort braking, prevent from running
Vehicle was caused danger into the L4 stages.
As shown in Fig. 2, the region before L1 is all safety zone, L1, L2 and L3 stage are that there are risk of collision areas
Domain, L4 stages are the inevitable regions of collision.In practical applications, operation vehicle enters which different rank L1, L2 and L3 are
The value of Duan Shi, acceleration when specifically how to operate and slow down can be set according to actual conditions, however it is not limited to data above.
Above-mentioned volume adjustment control mode can be understood as：Interior noise is in perfect condition, is at this moment only raised by turning down
Sound device volume ensures that indoor driver is in quiet driving environment.And actual conditions are, vehicle is being run over
Cheng Zhong, often according to the difference of different vehicle, the noise source of vehicle is different, and noise level value is also variant.If for example, working as
ACC control systems detect target obstacle, and when sending out level-one warning prompt, the interior level of noise size detected is X decibels,
Car entertainment terminal control system controlling loudspeaker output volume size should be A1, then final grade decibel value is X+A1
(first object given threshold).When ACC control systems detect barrier, send out two level warning prompt, interior at this time makes an uproar
Value size is that Y decibels of car entertainment terminal control system controlling loudspeaker output volume sizes should be B1.So final etc.
Grade decibel value is Y+B1 (the second goal-setting threshold value).When ACC control systems detect barrier, three-level warning prompt is sent out
When, interior level of noise size is Z decibels at this time, and car entertainment terminal control system controlling loudspeaker output volume size should be
C1, then final grade decibel value is Z+C1 (third goal-setting threshold value).By interior noise detecting system, car entertainment is whole
End control system can be with the sounding size of the adjustment loud speaker of the size adaptability of integrated noise value, to ensure that interior driver can
The sound size perceived is within a rational safety value.When car entertainment terminal control system detects that engine turns
Speed, for speed all when stepping up, system thinks that vehicle risk releases, and the volume of loud speaker can be gradually increased.
It is described in detail above for a kind of embodiment of the vehicle-mounted control method based on active safety technologies, base
In the vehicle-mounted control method based on active safety technologies of above-described embodiment description, the embodiment of the present invention is additionally provided a kind of and is somebody's turn to do
The corresponding system of method.Since the embodiment of components of system as directed is corresponded with the embodiment of method part, components of system as directed
Embodiment please refers to the embodiment description of method part, and which is not described herein again.
Fig. 3 forms signal by a kind of vehicle control syetem based on active safety technologies that the embodiment of the present invention provides
Figure, as shown in figure 3, the control system includes：
Controller 301, loud speaker 302 and acquisition module 303；
Controller 301 is connect with acquisition module 303 and loud speaker 302 respectively, when the target data that acquisition module 303 acquires
When more than given threshold, controlling loudspeaker 302 exports satisfactory volume.
A kind of vehicle control syetem based on active safety technologies provided by the present invention, including controller, loud speaker and
Acquisition module；Controller is connect with acquisition module and loud speaker respectively, when the target data of acquisition module acquisition is more than setting threshold
When value, controlling loudspeaker exports satisfactory volume.It can be seen that the control system, when emergency occurs for vehicle, control
The target data controlling loudspeaker that device processed can be acquired according to acquisition module exports satisfactory volume, ensures interior driver
The sound size that can be perceived avoids in rational safety value since the excessive caused driver's reply of interior sound is urgent
The weak problem of respond and judgement when situation, and then the respond and judgement of driver is improved, it reduces
The probability that vehicle is caused danger.
On the basis of the above embodiments, preferably embodiment, acquisition module 303 specifically include distance acquisition mould
Block and/or audio collection module；
Apart from acquisition module for acquiring operation the distance between vehicle-to-target vehicle or target obstacle；
Audio collection module is used to acquire the audio signal in operation vehicle.
On the basis of the above embodiments, preferably embodiment, the number apart from acquisition module are 2, respectively
For first apart from acquisition module and second distance acquisition module；
First runs vehicle and the distance between front vehicles or front obstacle apart from acquisition module for acquiring；
Second distance acquisition module is for acquiring operation vehicle and the distance between front vehicle or rear obstacle.
In order to improve precise control and safety, preferably embodiment, the number apart from acquisition module are 2
A, one for acquiring operation vehicle and the distance between front vehicles or front obstacle；Another is for acquiring operation vehicle
With the distance between front vehicle or rear obstacle.Certainly, it can also be 2 or more apart from acquisition module, for example, increasing again
Add vehicle or barrier the distance between of 2 range sensors for acquiring current operation vehicle and the left and right sides.
On the basis of the above embodiments, preferably embodiment further includes：
The camera being connect with controller 301, camera is for shooting rear vehicle vehicle or rear obstacle and front vehicle
Or front obstacle shown so that corresponding image information is sent to Vehicular display device.
In order to avoid occur due to the front windshield of operation vehicle is fuzzy and do not see front vehicles or barrier or
The case where rearview mirror due to running vehicle obscures and looks down upon front vehicle or barrier, which further includes, with control
The camera that device 301 processed connects, can shoot other vehicles or barrier, then be sent to corresponding image information
Vehicular display device is shown, driver is facilitated to watch.
On the basis of the above embodiments, preferably embodiment further includes：
The alarm module being connect with controller 301, alarm module are used to be less than the first given threshold and/or audio when distance
When volume in signal is higher than the second given threshold, alarm.
When the distance acquired apart from acquisition module is less than the audio letter that the first given threshold and/or audio collection module acquire
When volume in number is higher than the second given threshold, in order to remind driver in time, which further includes connecting with controller 301
The alarm module connect.
In practical applications, which may be used CAN bus communications protocol.Bus message sends week
Phase preferred 10ms.Car entertainment terminal control system, ACC control systems, the CAN of three integrated control units of noise detecting system
Message ID can be respectively：Ox70E, Ox718 and Ox701 can refer to according to different alert levels and define three-level alarm warning
The CAN bus signal of signal is：Level-one warning prompt Ox01, two level warning prompt Ox02, three-level warning prompt Ox03 are controlled herein
In system processed, noise detecting system is internally integrated noise measuring sensor (audio collection module), is adopted by noise measuring sensor
Collect acoustic audio signal, sampling period 20ms is handled through internal arithmetic, formed corresponding sound decibel value, pass through CAN bus
It is sent in car entertainment terminal system bus, sound in current vehicle is read in car entertainment terminal system (controller 301) acquisition
Simultaneously controlling loudspeaker 302 exports satisfactory volume to size.It is understood that above-mentioned sending cycle, sampling period, each control
The selection of system bus ID and grade warning prompt processed can be changed according to actual conditions, be not changeless.
To provided by the present invention, the vehicle-mounted control method and system based on active safety technologies have carried out detailed Jie above
It continues.Using several examples herein, principle and implementation of the present invention are described, the explanation of above example, only
It is used to help understand the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be understood
For limitation of the present invention, those skilled in the art repair under the premise of no creative work to what the present invention was made
Change, equivalent replacement, improvement etc., should be included in the application.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One operation is distinguished with another operation, without necessarily requiring or implying there are any between these entities or operation
This actual relationship or sequence.Moreover, the similar word such as term " comprising " so that unit, equipment including a series of elements
Or system includes not only those elements, but also include other elements that are not explicitly listed, or further include for this list
Member, equipment or the intrinsic element of system.
Claims (10)
1. a kind of vehicle-mounted control method based on active safety technologies, which is characterized in that including：
Obtain the target data of acquisition module acquisition；
Judge whether the target data is more than given threshold；
If it is, controlling the loud speaker exports satisfactory volume.
2. the vehicle-mounted control method according to claim 1 based on active safety technologies, which is characterized in that the judgement institute
State target data whether more than given threshold be specially：
Judge whether the distance acquired apart from acquisition module is less than the audio signal that given threshold and/or audio collection module acquire
In volume whether be higher than given threshold；
If it is, the step of exporting satisfactory volume into the control loud speaker.
3. the vehicle-mounted control method according to claim 2 based on active safety technologies, which is characterized in that it is described judge away from
With a distance from acquisition module acquisition whether less than given threshold be specially：
Judge whether the distance is more than the first given threshold and is less than or equal to the second given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than first object given threshold；
Wherein, second given threshold is more than first given threshold.
4. the vehicle-mounted control method according to claim 3 based on active safety technologies, which is characterized in that it is described judge away from
Whether it is less than given threshold with a distance from acquisition module acquisition, further includes：
Judge whether the distance is more than third given threshold and is less than or equal to first given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than the second goal-setting threshold value；
Wherein, first given threshold is more than the third given threshold, and the second goal-setting threshold value is less than described the
One goal-setting threshold value.
5. the vehicle-mounted control method according to claim 4 based on active safety technologies, which is characterized in that it is described judge away from
Whether it is less than given threshold with a distance from acquisition module acquisition, further includes：
Judge whether the distance is more than the 4th given threshold and is less than or equal to the third given threshold；
If it is, controlling the volume that the loud speaker output volume value is less than third goal-setting threshold value；
Wherein, the third given threshold is more than the 4th given threshold, and the third goal-setting threshold value is less than described the
Two goal-setting threshold values.
6. a kind of vehicle control syetem based on active safety technologies, which is characterized in that including：
Controller, loud speaker and acquisition module；
The controller is connect with the acquisition module and the loud speaker respectively, when the target data of acquisition module acquisition
When more than given threshold, controls the loud speaker and export satisfactory volume.
7. the vehicle control syetem according to claim 6 based on active safety technologies, which is characterized in that the acquisition mould
Block is specifically included apart from acquisition module and/or audio collection module；
It is described to run the distance between vehicle-to-target vehicle or target obstacle for acquiring apart from acquisition module；
The audio collection module is used to acquire the audio signal in the operation vehicle.
8. the vehicle control syetem according to claim 7 based on active safety technologies, which is characterized in that the distance is adopted
The number for collecting module is 2, and respectively first apart from acquisition module and second distance acquisition module；
Described first is used to acquire the operation vehicle and the distance between front vehicles or front obstacle apart from acquisition module；
The second distance acquisition module is for acquiring the operation vehicle and the distance between front vehicle or rear obstacle.
9. the vehicle control syetem according to claim 8 based on active safety technologies, which is characterized in that further include：
The camera being connect with the controller, the camera is for shooting the rear vehicle vehicle or the rear obstacle
It is shown with the front vehicles or the front obstacle with corresponding image information is sent to Vehicular display device.
10. the vehicle control syetem according to claim 7 based on active safety technologies, which is characterized in that further include：
The alarm module being connect with the controller, the alarm module be used for when the distance be less than the first given threshold and/
Or the volume in the audio signal be higher than the second given threshold when, alarm.
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Application publication date: 20181009 |