CN105564429A - Running safety pre-warning method and device - Google Patents
Running safety pre-warning method and device Download PDFInfo
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- CN105564429A CN105564429A CN201610066116.4A CN201610066116A CN105564429A CN 105564429 A CN105564429 A CN 105564429A CN 201610066116 A CN201610066116 A CN 201610066116A CN 105564429 A CN105564429 A CN 105564429A
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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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
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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
- B60W40/06—Road conditions
- B60W40/072—Curvature of the road
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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
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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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- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
Abstract
The embodiment of the invention relates to a running safety pre-warning method and device which are used for a running vehicle. The running safety pre-warning method comprises the steps of obtaining the curvature radius of a pavement turn and current vehicle speed and turn angle data information of the running vehicle, obtaining driving behavior data information, judging whether the running vehicle meets running safety pre-warning conditions or not under the condition of the current curvature radius according to the curvature radius of the pavement turn, the current vehicle speed and the turn angle data information of the running vehicle and the driving behavior data information, and outputting a running safety pre-warning prompt or sending out a running vehicle control signal to control the running vehicle when determining the running vehicle meets the running safety pre-warning conditions.
Description
Technical field
The present invention relates to communication technique field, particularly relate to a kind of method and device of traffic safety early warning.
Background technology
Along with the raising of economic development and people's living standard, the quantity of automobile gets more and more, the complexity of road is also more and more serious, traffic safety has just become an important problem, bend ratio is easier to traffic accident occurs, therefore bend of being everlasting arranges speed limit, must travel guarantee safety through vehicle within speed of a motor vehicle limited range.
But, current most of speed limit reminds the prompting being only traffic warning board, and chaufeur is often ignored than being easier to because of a variety of causes, and whether sometimes also often notice when driving has speed limit in certain section, disperse the attention of chaufeur, affect traffic safety on the contrary.
In prior art, that (again journey adaptive cruise) is travelled for the tracking carrying out identifying or carrying out vehicle under craspedodrome situation mostly, and bend speed prediction policy is realized complicated, often introduce larger communication overhead, cause the unnecessary waste of Internet resources, also or need by infrared pickoff, the equipment such as ground induction coil, economical not, and the signal of algorithm to sensor collection of roadside unit and car-mounted terminal needs complexity processes, cause very large device expense, in addition whether these bend speed prediction policies can not have bend and in advance to limited speed of going off the curve by the vehicle front of anticipation efficiently.
Meanwhile, because the driving habit of each driver is different with driving experience, the speed of a motor vehicle taked during different bend is also different, and therefore, what vary with each individual carries out corresponding bend prompting and control very important.
Summary of the invention
The invention provides a kind of traffic safety method for early warning and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether to need early warning, both ensure that the safety of driving, reduce unnecessary early warning simultaneously, improve Consumer's Experience.
In first aspect, the invention provides a kind of traffic safety method for early warning, for driving vehicle, described method comprises:
Obtain the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
Obtain driving behavior data message;
According to the radius of curvature of described road surface bend, the speed of a motor vehicle of described driving vehicle and corner data message, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
When determining that described driving vehicle meets traffic safety early-warning conditions, export traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.
In second aspect, the invention provides a kind of traffic safety prior-warning device, for driving vehicle, described device comprises:
First acquisition module, for obtaining the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
Second acquisition module, for obtaining driving behavior data message;
First judge module, for the speed of a motor vehicle and the corner data message of the radius of curvature according to described road surface bend, described driving vehicle, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
Output module, for when determining that described driving vehicle meets traffic safety early-warning conditions, exports traffic safety early warning, or sends thermoacoustic prime engine signal and control described driving vehicle.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
Accompanying drawing explanation
A kind of traffic safety method for early warning diagram of circuit that Fig. 1 provides for the embodiment of the present invention 1;
A kind of traffic safety method for early warning diagram of circuit that Fig. 2 provides for the embodiment of the present invention 2;
A kind of traffic safety method for early warning diagram of circuit that Fig. 3 provides for the embodiment of the present invention 3;
A kind of traffic safety prior-warning device schematic diagram that Fig. 4 provides for the embodiment of the present invention 1;
A kind of traffic safety prior-warning device schematic diagram that Fig. 5 provides for the embodiment of the present invention 2;
A kind of traffic safety prior-warning device schematic diagram that Fig. 6 provides for the embodiment of the present invention 3;
A kind of traffic safety prior-warning device partial schematic diagram that Fig. 7 provides for the embodiment of the present invention 3.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing with specific embodiment, embodiment does not form the restriction to the embodiment of the present invention.
Embodiment 1
Below for the traffic safety method for early warning that Fig. 1 detailed description embodiment of the present invention 1 provides, the traffic safety method for early warning diagram of circuit that Fig. 1 provides for the embodiment of the present invention 1, subject of implementation is a comprehensive treatment equipment in embodiments of the present invention.As shown in Figure 1, this embodiment specifically comprises the following steps 110-step 140:
Step 110, obtain the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
In the present embodiment, described comprehensive treatment equipment utilizes the picture pick-up device that described driving vehicle is arranged, and takes the bend in horizon range, obtains the radius of curvature of described road surface bend.In other embodiments, described comprehensive treatment equipment also directly can receive the radius of curvature of the described road surface bend be stored in cloud server, or obtained the radius of curvature of the described road surface bend in horizon range by vehicle-mounted GPS apparatus, or obtained the radius of curvature of road surface bend by real-time wireless communication with fixed frequency (as 1Hz) from the car-mounted terminal of vehicle.
In the present embodiment, described comprehensive treatment device directly obtains the current speed information of described driving vehicle by acceleration pick-up, and is obtained the corner data message of described driving vehicle by gyro sensor.In other embodiments, described comprehensive treatment device also can to obtain from controller local area network from the car-mounted terminal of vehicle with fixed frequency (as 5Hz) as described in the current vehicle speed information of driving vehicle and corner data message.
In other embodiments, step 110 also can comprise: the information obtaining the pedestrian in real-time road, other biological, vehicle, obstacle, and pavement humidity, at least one item in Roughness Information.
Step 120, acquisition driving behavior data message;
In the present embodiment, described driving behavior data message comprises driving behavior personality data and driving behavior conventional data.Described comprehensive treatment device directly obtains driving behavior personality data and the driving behavior conventional data of described driving vehicle from cloud database or controller local area network.Under the driving habit that described driving behavior personality data information refers to according to driver's different times, different phase, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner; Described driving behavior conventional data refers under normal circumstances, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.Described driving behavior personality data and described driving behavior conventional data are stored in cloud database or controller local area network, call at any time when needed in order to described comprehensive treatment device.
In other embodiments, step 120 also can comprise further:
Judge under current described radius of curvature, whether have available described driving behavior personality data information; When there being available described driving behavior personality data information, obtain described driving behavior personality data; When there is no available described driving behavior personality data information, obtain described driving behavior conventional data.
Step 130, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
According to the radius of curvature of described road surface bend obtained in step 110, the speed of a motor vehicle of described driving vehicle and corner data message, and the described driving behavior data message obtained in step 120, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature.
When described driving vehicle no enough row car safe early warning condition, jump to step 110; When described driving vehicle meets traffic safety early-warning conditions, jump to step 140.
Step 140, export traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.
When determining that described driving vehicle meets traffic safety early-warning conditions, carry out alarm by sound or image, or send brake or the thermoacoustic prime engine signal such as deceleration controls described driving vehicle, to ensure the driving safety of driver.
In other embodiments, can also in conjunction with the information of the pedestrian in real-time road, other biological, vehicle, obstacle, with at least one item in roadside humidity, Roughness Information, send warnings such as blowing a whistle, or thermoacoustic prime engine signal controls described driving vehicle, to ensure the safety of pedestrian and driver to send deceleration, hide etc.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
Embodiment 2
Below for the traffic safety method for early warning that Fig. 2 detailed description embodiment of the present invention 2 provides, the traffic safety method for early warning diagram of circuit that Fig. 2 provides for the embodiment of the present invention 2, subject of implementation is a comprehensive treatment equipment in embodiments of the present invention.As shown in Figure 2, this embodiment specifically comprises the following steps 210-step 280:
Step 210, obtain the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
In the present embodiment, described comprehensive treatment equipment utilizes the picture pick-up device that described driving vehicle is arranged, and takes the bend in horizon range, obtains the radius of curvature of described road surface bend.In other embodiments, described comprehensive treatment equipment also directly can receive the radius of curvature of the described road surface bend be stored in cloud server, or obtained the radius of curvature of the described road surface bend in horizon range by vehicle-mounted GPS apparatus, or obtained the radius of curvature of road surface bend by real-time wireless communication with fixed frequency (as 1Hz) from the car-mounted terminal of vehicle.
In the present embodiment, described comprehensive treatment device directly obtains the current speed information of described driving vehicle by acceleration pick-up, and is obtained the corner data message of described driving vehicle by gyro sensor.In other embodiments, described comprehensive treatment device also can to obtain from controller local area network from the car-mounted terminal of vehicle with fixed frequency (as 5Hz) as described in the current vehicle speed information of driving vehicle and corner data message.
In other embodiments, step 210 also can comprise: the information obtaining the pedestrian in real-time road, other biological, vehicle, obstacle, and pavement humidity, at least one item in Roughness Information.
Step 220, analyze the radius of curvature of described road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message, obtain driving behavior personality data information;
The radius of curvature of the described road surface bend that described comprehensive treatment equipment obtains according to step 210, and the current speed of a motor vehicle of described driving vehicle and corner data message, in conjunction with historical data, carry out comprehensive driving behavior analysis, obtain driving behavior personality data information.
Under the driving habit that described driving behavior personality data information refers to according to driver's different times, different phase, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.
Step 230, store described driving behavior personality data;
The described driving behavior personality data that storing step 220 analysis obtains, calls when needing in order to described comprehensive treatment equipment at any time.
Step 240, judge under current described radius of curvature, whether have available described driving behavior personality data information;
When there being available described driving behavior personality data information, jump to step 250;
When there is no available described driving behavior personality data information, jump to step 260;
Step 250, obtain described driving behavior personality data;
The described driving behavior personality data stored in obtaining step 230.
Step 260, acquisition driving behavior conventional data;
Described driving behavior conventional data refers under normal circumstances, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.In the present embodiment, described driving behavior conventional data is stored in cloud database or controller local area network, and described comprehensive treatment device directly obtains the driving behavior conventional data of described driving vehicle from cloud database or controller local area network.In other embodiments, described driving behavior conventional data is stored in described comprehensive treatment equipment, calls at any time when needed.
Step 270, according to the radius of curvature of described road surface bend, the speed of a motor vehicle of described driving vehicle and corner data message, and described driving behavior data message, judges whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
When described driving vehicle no enough row car safe early warning condition, jump to step 210; When described driving vehicle meets traffic safety early-warning conditions, jump to step 280;
Described driving behavior data message comprises in described step 250 and obtains described driving behavior personality data, or obtains driving behavior conventional data in step 260.
Step 280, export traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.
When determining that described driving vehicle meets traffic safety early-warning conditions, carry out alarm by sound or image, or send brake or the thermoacoustic prime engine signal such as deceleration controls described driving vehicle, to ensure the driving safety of driver.
In other embodiments, can also in conjunction with the information of the pedestrian in real-time road, other biological, vehicle, obstacle, with at least one item in roadside humidity, Roughness Information, send warnings such as blowing a whistle, or thermoacoustic prime engine signal controls described driving vehicle, to ensure the safety of pedestrian and driver to send deceleration, hide etc.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
Embodiment 3
Below for the traffic safety method for early warning that Fig. 3 detailed description embodiment of the present invention 3 provides, the traffic safety method for early warning diagram of circuit that Fig. 3 provides for the embodiment of the present invention 3, subject of implementation is a comprehensive treatment equipment in embodiments of the present invention.As shown in Figure 3, this embodiment specifically comprises the following steps 310-step 420:
Step 310, acquisition traffic information;
Described traffic information includes but not limited to the information of road surface bend, and in other embodiments, described traffic information can also comprise the information of pedestrian in real-time road, other biological, vehicle, obstacle, and pavement humidity, at least one item in Roughness Information.
In the present embodiment, described comprehensive treatment equipment utilizes the picture pick-up device that described driving vehicle is arranged, and takes the bend in horizon range, obtains the information of described road surface bend.In other embodiments, described comprehensive treatment equipment also directly can receive the information of the described road surface bend be stored in cloud server, or obtained the information of the described road surface bend in horizon range by vehicle-mounted GPS apparatus, or obtain bend information with fixed frequency (as 1Hz) by real-time wireless communication from the car-mounted terminal of vehicle.
Step 320, calculate the radius of curvature of road surface bend according to described traffic information;
The CAN information of step 330, acquisition driving vehicle;
Described comprehensive treatment equipment utilizes the information collecting device that described driving vehicle is arranged, and obtains vehicle CAN information.
Step 340, CAN information according to described driving vehicle, calculate the real time information of described driving vehicle;
The real time information of described driving vehicle comprises the data message of the current speed of a motor vehicle of described driving vehicle and corner.
In the present embodiment, utilize acceleration sensor sensing rows vehicle speed obtain an accekeration and deliver to described comprehensive treatment equipment, calculate the vehicle speed data that described driving vehicle is current; And utilize the driving of gyro sensor sensing obtain a deviation angle speed value and deliver to described comprehensive treatment equipment, calculate the corner data of described driving vehicle.
In other embodiments, step 310 and step 330 can be carried out simultaneously, step 320 also also can be carried out in step 340 simultaneously, namely after the CAN information obtaining traffic information simultaneously and obtain driving vehicle, then the radius of curvature of road surface bend and the current speed of a motor vehicle of described driving vehicle and corner data message is calculated according to the CAN information of described traffic information and described driving vehicle.
In another embodiment, step 310 can after step 330, and namely step 320 also after step 340, can obtain the CAN information of driving vehicle; According to the CAN information of described driving vehicle, calculate the real time information of described driving vehicle; Obtain traffic information; The radius of curvature of road surface bend is calculated according to described traffic information.
Step 350, obtain the radius of curvature of described road surface bend according to step 320 and step 340, and the current speed of a motor vehicle of described driving vehicle and corner data message;
Step 360, analyze the radius of curvature of described road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message, obtain driving behavior personality data information;
The radius of curvature of the described road surface bend that described comprehensive treatment equipment obtains according to step 350, and the current speed of a motor vehicle of described driving vehicle and corner data message, in conjunction with historical data, carry out comprehensive driving behavior analysis, obtain driving behavior personality data information.
Under the driving habit that described driving behavior personality data information refers to according to driver's different times, different phase, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.
Step 370, store described driving behavior personality data;
The described driving behavior personality data that storing step 360 analysis obtains, calls when needing in order to described comprehensive treatment equipment at any time.
Step 380, judge under current described radius of curvature, whether have available described driving behavior personality data information;
When there being available described driving behavior personality data information, jump to step 381;
When there is no available described driving behavior personality data information, jump to step 382;
Step 381, obtain described driving behavior personality data;
The described driving behavior personality data stored in obtaining step 370.
Step 382, acquisition driving behavior conventional data;
Described driving behavior conventional data refers under normal circumstances, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.In the present embodiment, described driving behavior conventional data is stored in cloud database or controller local area network, and described comprehensive treatment device directly obtains the driving behavior conventional data of described driving vehicle from cloud database or controller local area network.In other embodiments, described driving behavior conventional data is stored in described comprehensive treatment equipment, calls at any time when needed.
Step 390, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
In the present embodiment, according to the radius of curvature of described road surface bend, the speed of a motor vehicle of described driving vehicle and corner data message, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
When described driving vehicle no enough row car safe early warning condition, jump to step 310; When described driving vehicle meets traffic safety early-warning conditions, jump to step 391;
Described driving behavior data message comprises in described step 381 and obtains described driving behavior personality data, or obtains driving behavior conventional data in step 382.
Step 391, export traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.
When determining that described driving vehicle meets traffic safety early-warning conditions, carry out alarm by sound or image, or send brake or the thermoacoustic prime engine signal such as deceleration controls described driving vehicle, to ensure the driving safety of driver.
In other embodiments, can also in conjunction with the information of the pedestrian in real-time road, other biological, vehicle, obstacle, with at least one item in roadside humidity, Roughness Information, send warnings such as blowing a whistle, or thermoacoustic prime engine signal controls described driving vehicle, to ensure the safety of pedestrian and driver to send deceleration, hide etc.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
The method that above-described embodiment describes all can realize traffic safety method for early warning, correspondingly, present invention also offers a kind of traffic safety prior-warning device, in order to realize the traffic safety method for early warning provided in previous embodiment.
A kind of traffic safety prior-warning device schematic diagram that Fig. 4 provides for the embodiment of the present invention 1.
Please refer to Fig. 4, in a preferred embodiment of traffic safety prior-warning device of the present invention, described device comprises: the first acquisition module 410, second acquisition module 420, first judge module 430, and output module 440.
In the present embodiment, the first acquisition module 410 that described device comprises, for obtaining the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message.
In the present embodiment, described first acquisition module 410 comprises shooting submodule, utilizes described shooting submodule, takes the bend in horizon range, obtain the radius of curvature of described road surface bend.In other real-time examples, described first acquisition module 410 also comprises reception submodule, described reception submodule is for receiving the radius of curvature of the described road surface bend being stored in cloud server, the radius of curvature of described road surface bend is stored in cloud server, described traffic safety prior-warning device sends inquiry request to cloud server, and described reception submodule receives the radius of curvature of the described road surface bend that cloud server returns.Certainly, described reception submodule also can be used for receiving GPS information, and then obtains the radius of curvature of the described road surface bend in horizon range.
Second acquisition module 420, for obtaining driving behavior data message.
In the present embodiment, described driving behavior data message comprises driving behavior personality data and driving behavior conventional data.Described second acquisition module 420 directly obtains driving behavior personality data and the driving behavior conventional data of described driving vehicle from cloud database or controller local area network.
In other embodiments, the second acquisition module 420 also comprises judgement submodule, for judging under current described radius of curvature, whether has available described driving behavior personality data information; Obtaining submodule, for when there being available described driving behavior personality data information, obtaining described driving behavior personality data; When there is no available described driving behavior personality data information, obtain described driving behavior conventional data.
First judge module 430, for the speed of a motor vehicle and the corner data message of the radius of curvature according to described road surface bend, described driving vehicle, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature; When described driving vehicle no enough row car safe early warning condition, signal is sent to the first acquisition module 410 by the first judge module 430; When described driving vehicle meets traffic safety early-warning conditions, signal is sent to output module 440 by the first judge module 430.
Output module 440, for when determining that described driving vehicle meets traffic safety early-warning conditions, exports traffic safety early warning, or sends thermoacoustic prime engine signal and control described driving vehicle.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
A kind of traffic safety prior-warning device schematic diagram that Fig. 5 provides for the embodiment of the present invention 2.
Please refer to Fig. 5, in one preferred embodiment of traffic safety prior-warning device of the present invention, described device comprises: the first acquisition module 510, analysis module 511, storage module 512, second judge module 513, second acquisition module 520, first judge module 530, and output module 540.
In the present embodiment, the first acquisition module 510 that described device comprises, for obtaining the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message.
In the present embodiment, described first acquisition module 510 comprises shooting submodule, utilizes described shooting submodule, takes the bend in horizon range, obtain the radius of curvature of described road surface bend.In other real-time examples, described first acquisition module 510 also comprises reception submodule, described reception submodule is for receiving the radius of curvature of the described road surface bend being stored in cloud server, the radius of curvature of described road surface bend is stored in cloud server, described traffic safety prior-warning device sends inquiry request to cloud server, and described reception submodule receives the radius of curvature of the described road surface bend that cloud server returns.Certainly, described reception submodule also can be used for receiving GPS information, and then obtains the radius of curvature of the described road surface bend in horizon range.
Analysis module 511, for analyzing the radius of curvature of described road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message, obtain described driving behavior personality data information.The radius of curvature of the described road surface bend that analysis module 511 obtains according to the first acquisition module 510, and the current speed of a motor vehicle of described driving vehicle and corner data message, in conjunction with historical data, carry out comprehensive driving behavior analysis, obtain driving behavior personality data information.
Under the driving habit that described driving behavior personality data information refers to according to driver's different times, different phase, vehicle turn time, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.
Storage module 512, for storing the described driving behavior personality data information that described analysis module analysis obtains.
In the present embodiment, the described driving behavior personality data that described memory module 512 obtains for storing analysis module 511 analysis, calls when needing in order to described second acquisition module 520 at any time.In other embodiments, described storage module 512 also can be used for storing driving behavior conventional data information, and described driving behavior refers under normal circumstances, vehicle when turning, the curvature of described road surface bend and the correspondence relationship information of the data such as the speed of a motor vehicle, corner.
Whether the second judge module 513, for judging under current described radius of curvature, have available described driving behavior personality data information.
Second acquisition module 520, for obtaining driving behavior data message.In the present embodiment, described driving behavior data message comprises driving behavior personality data and driving behavior conventional data.When the second judge module 513 judges there is available described driving behavior personality data information under current described radius of curvature, obtain driving behavior personality data described in storage module 512; When the second judge module 513 judges do not have available described driving behavior personality data information under current described radius of curvature, obtain described driving behavior conventional data.
First judge module 530, for the speed of a motor vehicle and the corner data message of the radius of curvature according to described road surface bend, described driving vehicle, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature; When described driving vehicle no enough row car safe early warning condition, signal is sent to the first acquisition module 510 by the first judge module 530; When described driving vehicle meets traffic safety early-warning conditions, signal is sent to output module 540 by the first judge module 530.
Output module 540, for when determining that described driving vehicle meets traffic safety early-warning conditions, exports traffic safety early warning, or sends thermoacoustic prime engine signal and control described driving vehicle.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
A kind of traffic safety prior-warning device schematic diagram that Fig. 6 provides for the embodiment of the present invention 3.
Please refer to Fig. 6, in one preferred embodiment of traffic safety prior-warning device of the present invention, described device comprises: the first acquisition module 610, analysis module 611, storage module 612, second judge module 613, second acquisition module 620, first judge module 630, and output module 640.
The difference of a kind of traffic safety prior-warning device that the present embodiment 3 provides and a kind of traffic safety prior-warning device that embodiment 2 provides is, as shown in Figure 7, a kind of traffic safety prior-warning device partial schematic diagram that Fig. 7 provides for the embodiment of the present invention 3, first acquisition module 610 of a kind of traffic safety prior-warning device that the present embodiment 3 provides comprises further: first obtains submodule 6101, first processes submodule 6102, second acquisition submodule 6103, and the second process submodule 6104.
In the present embodiment, the first acquisition submodule 6101 that the first acquisition module 610 comprises, for obtaining traffic information, described traffic information includes but not limited to the information of road surface bend.In other embodiments, described traffic information can also comprise the information of pedestrian in real-time road, other biological, vehicle, obstacle, and pavement humidity, at least one item in Roughness Information.
First process submodule 6102, for calculating the radius of curvature of road surface bend according to described traffic information;
Second obtains submodule 6102, obtains the CAN information of described driving vehicle;
Second process submodule 6104, for the CAN information according to described driving vehicle, calculates the front speed of a motor vehicle of described driving vehicle and the data message of corner.In the present embodiment, the real time information of described driving vehicle comprises the current speed of a motor vehicle of described driving vehicle and corner data message.
Analysis module 611, storage module 612, second judge module 613, second acquisition module 620, first judge module 630, and output module 640 and analysis module 511 in a kind of traffic safety prior-warning device that embodiment 2 provides, storage module 512, second judge module 513, second acquisition module 520, first judge module 530 are identical, do not repeat one by one at this.
Therefore, by applying traffic safety method for early warning provided by the invention and device, based on the radius of curvature of road surface bend and the current speed of a motor vehicle and corner data message, in conjunction with the driving habit of driver, judge whether driving vehicle meets traffic safety early-warning conditions, when meeting traffic safety early-warning conditions, then send traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.The present invention carries out analysis according to the driving habit of each driver's different times, different time sections and judges, ensure that the safety of driver and vehicle, improves Consumer's Experience; When judge vehicle can safety time, do not make early warning, avoid the unnecessary interference of driver, more improve safety.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; all on the basis of technical scheme of the present invention, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a traffic safety method for early warning, for driving vehicle, is characterized in that, described method comprises:
Obtain the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
Obtain driving behavior data message;
According to the radius of curvature of described road surface bend, the speed of a motor vehicle of described driving vehicle and corner data message, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
When determining that described driving vehicle meets traffic safety early-warning conditions, export traffic safety early warning, or send thermoacoustic prime engine signal described driving vehicle is controlled.
2. traffic safety method for early warning according to claim 1, is characterized in that, described driving behavior data message comprises driving behavior personality data information, and driving behavior conventional data information.
3. traffic safety method for early warning according to claim 2, it is characterized in that, at the radius of curvature of described acquisition road surface bend, and after the current speed of a motor vehicle of described driving vehicle and corner data message, before described acquisition driving behavior data message, also comprise:
Analyze the radius of curvature of described road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message, obtain described driving behavior personality data information;
Store described driving behavior personality data;
Judge under current described radius of curvature, whether have available described driving behavior personality data information.
4. traffic safety method for early warning according to claim 3, is characterized in that,
When there being available described driving behavior personality data information, obtain described driving behavior personality data information;
When there not being available described driving behavior personality data information, obtain described driving behavior conventional data information.
5. traffic safety method for early warning according to claim 1, it is characterized in that, when determining described driving vehicle no enough row car safe early warning condition, perform the radius of curvature of described acquisition road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message step.
6. traffic safety method for early warning according to claim 1, is characterized in that, at the radius of curvature of described acquisition road surface bend, and before the current speed of a motor vehicle of described driving vehicle and corner data message, also comprises:
Obtain traffic information;
The radius of curvature of road surface bend is calculated according to described traffic information;
Obtain the CAN information of described driving vehicle;
According to the CAN information of described driving vehicle, calculate the front speed of a motor vehicle of described driving vehicle and the data message of corner.
7. traffic safety method for early warning according to claim 6, is characterized in that, when determining described driving vehicle no enough row car safe early warning condition, performs described acquisition traffic information step.
8. a traffic safety prior-warning device, for driving vehicle, is characterized in that, described device comprises:
First acquisition module, for obtaining the radius of curvature of road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message;
Second acquisition module, for obtaining driving behavior data message;
First judge module, for the speed of a motor vehicle and the corner data message of the radius of curvature according to described road surface bend, described driving vehicle, and described driving behavior data message, judge whether described driving vehicle meets traffic safety early-warning conditions under current described radius of curvature;
Output module, for when determining that described driving vehicle meets traffic safety early-warning conditions, exports traffic safety early warning, or sends thermoacoustic prime engine signal and control described driving vehicle.
9. traffic safety prior-warning device according to claim 8, is characterized in that, described device also comprises:
Analysis module, for analyzing the radius of curvature of described road surface bend, and the current speed of a motor vehicle of described driving vehicle and corner data message, obtain described driving behavior personality data information;
Storage module, for storing the described driving behavior personality data information that described analysis module analysis obtains;
Whether the second judge module, for judging under current described radius of curvature, have available described driving behavior personality data information.
10. traffic safety prior-warning device according to claim 8, is characterized in that, described first acquisition module comprises:
First obtains submodule, for obtaining traffic information;
First process submodule, for calculating the radius of curvature of road surface bend according to described traffic information;
Second obtains submodule, obtains the CAN information of described driving vehicle;
Second process submodule, for the CAN information according to described driving vehicle, calculates the front speed of a motor vehicle of described driving vehicle and the data message of corner.
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| CN201610066116.4A CN105564429A (en) | 2016-01-29 | 2016-01-29 | Running safety pre-warning method and device |
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Application publication date: 20160511 |