CN110053631A - A kind of driving behavior optimization method and device - Google Patents
A kind of driving behavior optimization method and device Download PDFInfo
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- CN110053631A CN110053631A CN201910309907.9A CN201910309907A CN110053631A CN 110053631 A CN110053631 A CN 110053631A CN 201910309907 A CN201910309907 A CN 201910309907A CN 110053631 A CN110053631 A CN 110053631A
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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
-
- 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
- B60W40/10—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 vehicle motion
- B60W40/105—Speed
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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
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- 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
- B60W2554/00—Input parameters relating to objects
- B60W2554/80—Spatial relation or speed relative to objects
- B60W2554/801—Lateral distance
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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)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The embodiment of the present invention provides a kind of driving behavior optimization method and device, determines the distance between this vehicle and adjacent vehicle according to the current location of the current location of this vehicle and adjacent vehicle, and the present speed of this vehicle is combined to determine this vehicle time headway；Ruo Benche time headway is greater than critical time headway, then calculate the present speed of this vehicle and the ratio of default speed limit value, to determine the driving status of this vehicle according to ratio, and the driving status of this vehicle is fed back into driver, so that driver optimizes driving behavior.The driving condition that this method and device pass through real time monitoring driver, can the driving behavior to driver effectively optimized, without relying on the mobile unit or roadside device that largely assist, application cost is low and easy to spread, it can be widely applied in control of traffic and road work, the potential risk of road traffic accident is advantageously reduced, and then is conducive to improve the operational efficiency and safety of road traffic.
Description
Technical field
The present invention relates to field of intelligent transportation technology, more particularly, to a kind of driving behavior optimization method and device.
Background technique
With the continuous growth of highway mileage open to traffic, the traffic safety situation of highway is also severeer, in recent years
Come, the traffic accident occurred on highway has accounted for the larger proportion of whole road traffic accidents, and rising is presented
Trend.Simultaneously as the car speed of highway is higher, therefore, injury severity when traffic accident occurs is also tended to
It is bigger.It is that following distance is excessively close or drive speed is excessively high mostly from the point of view of the analysis to the traffic accidents origin cause of formation
Lead to the traffic accident that rear car can not knock into the back under safe stopping in the case where front truck brakes.
In view of this, it is urgent to provide a kind of driving behavior optimization method and devices, to prompt driver to driving behavior
It optimizes, so that the excessively close or excessively high drive speed situation of following distance is avoided the occurrence of, to reduce traffic accidents
Potential risk.
Although having correlative study in the prior art can be realized the optimization of driving behavior, its implementation needs to rely on
The mobile unit or roadside device largely assisted, is difficult to popularize in a short time, cannot be widely applied to control of traffic and road work
In work.
Summary of the invention
The embodiment of the present invention is needed to rely on and largely assisted to overcome in the prior art when realizing driving behavior optimization
The problem of mobile unit or roadside device, provides a kind of driving behavior optimization method and device.
In a first aspect, the embodiment of the present invention provides a kind of driving behavior optimization method, comprising:
The current location of this vehicle and the current location of adjacent vehicle are obtained, according to the current location of this vehicle and adjacent vehicle
Current location determines the distance between this vehicle and adjacent vehicle, as target range；
The present speed for obtaining this vehicle determines this vehicle time headway according to the present speed of the target range and Ben Che,
Ruo Benche time headway is greater than critical time headway, then calculates the present speed of this vehicle and the ratio of default speed limit value；
The driving status of this vehicle is determined according to the ratio, and the driving status of this vehicle is fed back into driver, so that
Driver is obtained to optimize driving behavior according to the driving status of this vehicle.
Second aspect, the embodiment of the present invention provide a kind of driving behavior optimization device, comprising:
First computing module, for obtaining the current location of this vehicle and the current location of adjacent vehicle, according to working as this vehicle
Front position and the current location of adjacent vehicle determine the distance between this vehicle and adjacent vehicle, as target range；
Second computing module, for obtaining the present speed of this vehicle, according to the present speed of the target range and Ben Che
Determine this vehicle time headway, Ruo Benche time headway is greater than critical time headway, then calculates the present speed of this vehicle and limit in advance
The ratio of speed value；
Driving behavior optimization module, for determining the driving status of this vehicle according to the ratio, and by the traveling shape of this vehicle
State feeds back to driver, so that driver optimizes driving behavior according to the driving status of this vehicle.
The third aspect, the embodiment of the present invention provides a kind of electronic equipment, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, is realized when the processor executes described program as first aspect provides
Method the step of.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with calculating
Machine program is realized as provided by first aspect when the computer program is executed by processor the step of method.
Driving behavior optimization method and device provided in an embodiment of the present invention, according to the current location of this vehicle and adjacent vehicle
Current location determine the distance between this vehicle and adjacent vehicle, and the present speed of this vehicle is combined to determine this vehicle time headway；
Ruo Benche time headway is greater than critical time headway, then the present speed of this vehicle and the ratio of default speed limit value is calculated, thus root
The driving status of this vehicle is determined according to ratio, and the driving status of this vehicle is fed back into driver, so that driver is to driving
The behavior of sailing optimizes.This method and device can drive driver by the driving condition of real time monitoring driver
Behavior is sailed effectively to be optimized, without relying on the mobile unit or roadside device that largely assist, application cost is low and easy to spread,
It can be widely applied in control of traffic and road work, advantageously reduce the potential risk of road traffic accident, and then be conducive to mention
The operational efficiency and safety of high road traffic.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of driving behavior optimization method provided in an embodiment of the present invention；
Fig. 2 is the pointer of the embodiment of the present invention in the display position in dial plate and the relation schematic diagram between driving status；
Fig. 3 is the structural schematic diagram that driving behavior provided in an embodiment of the present invention optimizes device；
Fig. 4 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of driving behavior optimization method provided in an embodiment of the present invention, as shown in Figure 1, of the invention
Embodiment provides a kind of driving behavior optimization method, comprising:
S1 obtains the current location of this vehicle and the current location of adjacent vehicle, according to the current location of this vehicle and neighbouring vehicle
Current location determine the distance between this vehicle and adjacent vehicle, as target range；
Specifically, the current location of this vehicle is obtained by the navigation system of this vehicle first, at the same time, is obtained by car networking
Take the current location of adjacent vehicle.It should be noted that Ben Che and adjacent vehicle are in car networking ring in the embodiment of the present invention
Border, wherein car networking refers to that vehicle and vehicle, Che Yulu, Che Yuren, vehicle and sensing equipment etc. interact, and realizes vehicle and public network
The dynamic mobile telecommunication system of communication.On this basis, in the embodiment of the present invention, in the navigation system that adjacent vehicle passes through itself
After the current location for obtaining itself, the current location of adjacent vehicle can be obtained by car networking.Furthermore, it is necessary to explanation
It is that in the embodiment of the present invention, adjacent vehicle refers to being located at this front side and the vehicle nearest apart from this vehicle, the present bit of this vehicle
It sets and refers respectively to this vehicle with the current location of adjacent vehicle and exist in the geographical position coordinates information and adjacent vehicle at current time
The geographical position coordinates information at current time.It, can be in addition, navigation system includes GPS navigation system and Beidou Navigation System etc.
It is configured, is not specifically limited herein according to actual needs.
Further, after obtaining the current location of current location and adjacent vehicle of this vehicle, according to the current of this vehicle
Position and the current location of adjacent vehicle determine the distance between this vehicle and adjacent vehicle, as target range.That is, according to this vehicle
The geographical position coordinates information at current time of geographical position coordinates information and adjacent vehicle at current time calculate this vehicle with
The distance between adjacent vehicle, as target range.
S2 obtains the present speed of this vehicle, determines this vehicle time headway according to the present speed of target range and Ben Che, if
This vehicle time headway is greater than critical time headway, then calculates the present speed of this vehicle and the ratio of default speed limit value；
Specifically, based on the above technical solution, the present speed that this vehicle is obtained by the navigation system of this vehicle,
On the basis of this, this vehicle time headway is determined according to the present speed of target range and Ben Che, in the embodiment of the present invention, by target away from
Ratio from the present speed with this vehicle is as this vehicle time headway.Wherein, time headway refers to travelling on same lane
Vehicle platoon in, time interval that two continuous vehicle headstock ends pass through a certain section.
Further, after obtaining this vehicle time headway, this vehicle time headway is compared with critical time headway,
Ruo Benche time headway is greater than critical time headway, then can determine that the current driving scene of this vehicle is to be traveled freely scene.It needs
It is noted that the driving behavior of driver only needs about without the constraint by adjacent vehicle in the case where being traveled freely scene
The drive speed of beam driver.Therefore, determine the current driving scene of this vehicle be traveled freely scene and then further
Calculate the present speed of this vehicle and the ratio of default speed limit value.
It should be noted that critical time headway is pre-set, and critical time headway is set in the embodiment of the present invention
It is set to 8s, in other embodiments, critical time headway can be configured according to actual needs, be not specifically limited herein.
In addition, the speed limit value of travel where default speed limit value refers to this vehicle need to be according to the practical institute of this vehicle in the embodiment of the present invention
It is determined in travel, is not specifically limited herein.
S3 determines the driving status of this vehicle according to ratio, and the driving status of this vehicle fed back to driver, so that
Driver optimizes driving behavior according to the driving status of this vehicle.
Specifically, based on the above technical solution, the traveling shape of this vehicle is determined according to the ratio that above-mentioned calculating obtains
State, and the driving status of this vehicle is fed back into driver, so that driver goes to driving according to the driving status of this vehicle
To optimize.In the embodiment of the present invention, driving status is divided into the state of slowing down, kilter and precarious position.Wherein, it slows down
State indicates that the current drive speed of driver is slower, and driver is needed to carry out acceleration driving；Kilter indicates to drive
The current driving behavior of personnel is preferable, and driver is needed to continue to keep current driving behavior；Precarious position indicates driver
Current drive speed it is higher, need driver to carry out deceleration driving.On this basis, however, it is determined that the driving status of this vehicle is
It slows down state, then feeding back the driving status of this current vehicle to driver is state of slowing down, so that driver accelerates
It drives；If it is determined that the driving status of this vehicle is kilter, then it is good for feeding back the driving status of this current vehicle to driver
State, so that driver continues to keep current driving behavior；If it is determined that the driving status of this vehicle is precarious position, then to driving
Sailing personnel to feed back the driving status of this current vehicle is precarious position, so that driver carries out deceleration driving.
It should be noted that can be worked as by way of vision and the sense of hearing to driver's feedback in the embodiment of the present invention
The driving status of preceding vehicle can also feed back the row of this current vehicle in other embodiments to driver by other means
State is sailed, can be configured, be not specifically limited herein according to actual needs.
Driving behavior optimization method provided in an embodiment of the present invention, according to the current of the current location of this vehicle and adjacent vehicle
Position determines the distance between this vehicle and adjacent vehicle, and the present speed of this vehicle is combined to determine this vehicle time headway；Ruo Benche
Time headway is greater than critical time headway, then the present speed of this vehicle and the ratio of default speed limit value is calculated, thus according to ratio
It determines the driving status of this vehicle, and the driving status of this vehicle is fed back into driver, so that driver is to driving behavior
It optimizes.This method can have the driving behavior of driver by the driving condition of real time monitoring driver
Effect optimization, without relying on the mobile unit or roadside device that largely assist, application cost is low and easy to spread, can be widely applied to
In control of traffic and road work, the potential risk of road traffic accident is advantageously reduced, and then is conducive to improve road traffic
Operational efficiency and safety.
Based on any of the above-described embodiment, a kind of driving behavior optimization method is provided, further includes: Ruo Benche time headway is little
In critical time headway, then the present speed of this vehicle and the ratio of default speed limit value are calculated, as the first ratio, and calculates target
The ratio of distance and default safe spacing, as the second ratio；The traveling shape of this vehicle is determined according to the first ratio and the second ratio
State, and the driving status of this vehicle is fed back into driver, so that driver goes to driving according to the driving status of this vehicle
To optimize.
Specifically, in the embodiment of the present invention, after obtaining this vehicle time headway, by this vehicle time headway and critical headstock
When away from being compared, Ruo Benche time headway is not more than critical time headway, then can determine that the current driving scene of this vehicle is
With driving scene of speeding.It should be noted that not only needing the drive speed of constraint driver under with driving scene of speeding, also needing
Constrain the distance between this vehicle and adjacent vehicle.Therefore, after determining the current driving scene of this vehicle for driving scene of speeding,
The present speed of this vehicle and the ratio of default speed limit value are further calculated, and as the first ratio, while calculating target
The ratio of distance and default safe spacing, and as the second ratio.Wherein, target range refer to this current vehicle with it is neighbouring
The distance between vehicle；Default safe spacing can be precalculated by safe spacing computation model.The embodiment of the present invention
In, safe spacing computation model is as follows:
Wherein, S is default safe spacing；s0Minimum range when stopping for this vehicle apart from adjacent vehicle；V1For working as this vehicle
Preceding speed；V2For the present speed of adjacent vehicle；T is the reaction time of driver's brake；ψ is the attachment system of tire and road surface
Number；I is road resistance coefficient.
It should be noted that in other embodiments, default safe spacing can also calculate mould by other safe spacings
Type is calculated, and can be configured, is not specifically limited according to actual needs herein.
Further, the first ratio and the second ratio obtained according to above-mentioned calculating determines the driving status of this vehicle, and will
The driving status of this vehicle feeds back to driver, so that driver is excellent to driving behavior progress according to the driving status of this vehicle
Change.In the embodiment of the present invention, driving status is divided into the state of slowing down, kilter and precarious position.Wherein, state of slowing down indicates
The current drive speed of driver is slower, and driver is needed to carry out acceleration driving；Kilter indicates working as driver
Preceding driving behavior is preferable, and driver is needed to continue to keep current driving behavior；Precarious position indicates currently driving for driver
It is higher to sail speed, driver is needed to carry out deceleration driving.On this basis, however, it is determined that the driving status of this vehicle is shape of slowing down
State, then feeding back the driving status of this current vehicle to driver is state of slowing down, so that driver carries out acceleration driving；If
The driving status for determining this vehicle is kilter, then is kilter to the driving status that driver feeds back this current vehicle, with
So that driver continues to keep current driving behavior；If it is determined that the driving status of this vehicle is precarious position, then to driver
The driving status for feeding back this current vehicle is precarious position, so that driver carries out deceleration driving.
Driving behavior optimization method provided in an embodiment of the present invention, Ruo Benche time headway are not more than critical time headway,
The present speed of this vehicle and the ratio of default speed limit value are then calculated, as the first ratio, and calculates target range and default safety
The ratio of spacing, as the second ratio；Determine the driving status of this vehicle according to the first ratio and the second ratio, and by the row of this vehicle
The state of sailing feeds back to driver, so that driver optimizes driving behavior according to the driving status of this vehicle.The party
Method by real time monitoring driver driving condition, can the driving behavior to driver effectively optimized, be not necessarily to according to
Rely the mobile unit or roadside device largely assisted, application cost is low and easy to spread, can be widely applied to control of traffic and road
In work, the potential risk of road traffic accident is advantageously reduced, and then is conducive to improve the operational efficiency and peace of road traffic
Quan Xing.
Based on any of the above-described embodiment, a kind of driving behavior optimization method is provided, the traveling shape of this vehicle is determined according to ratio
State, specifically: if ratio is less than first threshold, it is determined that the driving status of this vehicle is state of slowing down；If ratio is greater than the first threshold
It is worth and is less than second threshold, it is determined that the driving status of this vehicle is kilter；If ratio is greater than second threshold, it is determined that this vehicle
Driving status be precarious position.
Specifically, in the embodiment of the present invention, after the ratio for calculating the present speed and default speed limit value that obtain this vehicle,
The ratio is compared with first threshold and second threshold.In the embodiment of the present invention, first threshold and second threshold are preparatory
It is arranged, and first threshold is set as 0.7, second threshold is set as 1, in other embodiments, first threshold and second threshold
It can be configured, be not specifically limited herein according to actual needs.On this basis, if above-mentioned ratio is less than first threshold,
That is default speed limit value of the present speed of this vehicle less than 0.7 times, then show that the present speed of this vehicle is slower, can determine this vehicle at this time
Driving status be to slow down state.Wherein, state of slowing down indicates that the current drive speed of driver is slower, needs driver
Carry out acceleration driving.If above-mentioned ratio is greater than first threshold and is less than second threshold, i.e. the present speed of this vehicle is greater than 0.7 times
It presets speed limit value and is less than default speed limit value, then show that the present speed of this vehicle is preferable, can determine the driving status of this vehicle at this time
For kilter.Wherein, kilter indicates that the current driving behavior of driver is preferable, and driver is needed to continue to keep working as
Preceding driving behavior.If above-mentioned ratio is greater than second threshold, i.e. the present speed of this vehicle is greater than default speed limit value, then shows this vehicle
Present speed has exceeded the speed limit, and can determine that the driving status of this vehicle is precarious position at this time.Wherein, precarious position indicates driver's
Current drive speed is higher, and driver is needed to carry out deceleration driving.
Driving behavior optimization method provided in an embodiment of the present invention is the feelings for being traveled freely scene in the driving scene of this vehicle
Under condition, by the way that the present speed of this vehicle to be compared with default speed limit value, it can effectively determine the driving status of this vehicle, be conducive to
Driver optimizes driving behavior according to the driving status of this vehicle.
Based on any of the above-described embodiment, a kind of driving behavior optimization method is provided, it is true according to the first ratio and the second ratio
The driving status of Ding Benche, specifically: if the first ratio is less than first threshold or the second ratio is greater than third threshold value, it is determined that this
The driving status of vehicle is state of slowing down；If the first ratio, which is greater than first threshold and is less than second threshold or the second ratio, is greater than the
Four threshold values and be less than third threshold value, it is determined that the driving status of this vehicle be kilter；If the first ratio be greater than second threshold or
Second ratio is less than the 4th threshold value, it is determined that the driving status of this vehicle is precarious position.
Specifically, in the embodiment of the present invention, after calculating and obtaining the first ratio and the second ratio, by the first ratio and the
One threshold value and second threshold are compared, and the second ratio is compared with third threshold value and the 4th threshold value.The present invention is implemented
In example, first threshold, second threshold, third threshold value and the 4th threshold value are pre-set, and first threshold is set as 0.7, the
Two threshold values are set as 1, and third threshold value is set as 1.2, and the 4th threshold value is set as 0.9.In other embodiments, first threshold,
Two threshold values, third threshold value and the 4th threshold value can be configured according to actual needs, be not specifically limited herein.It is basic herein
On, if the first ratio is less than first threshold, i.e. default speed limit value of the present speed of this vehicle less than 0.7 times, or, the second ratio is small
In third threshold value, i.e. the distance between this vehicle and adjacent vehicle is greater than 1.2 times of default safe spacing, then shows the current of this vehicle
Speed is slower, can determine that the driving status of this vehicle is state of slowing down at this time.Wherein, state of slowing down indicates currently driving for driver
It is slower to sail speed, driver is needed to carry out acceleration driving.If the first ratio is greater than first threshold and is less than second threshold, i.e., originally
The present speed of vehicle is greater than 0.7 times of default speed limit value and is less than default speed limit value, or, the second ratio is greater than the 4th threshold value and small
In third threshold value, the i.e. default safe spacing of the distance between this vehicle and adjacent vehicle greater than 0.9 times and presetting less than 1.2 times
Safe spacing then shows that the present speed of this vehicle is preferable, can determine that the driving status of this vehicle is kilter at this time.Wherein, good
Good state indicates that the current driving behavior of driver is preferable, and driver is needed to continue to keep current driving behavior.If first
Ratio is greater than second threshold, i.e. the present speed of this vehicle is greater than default speed limit value, or, the second ratio is less than the 4th threshold value, i.e. sheet
The default safe spacing of the distance between vehicle and adjacent vehicle less than 0.9 times, then show that the present speed of this vehicle has exceeded the speed limit, at this time
The driving status that can determine this vehicle is precarious position.Wherein, precarious position indicates that the current drive speed of driver is higher, needs
Driver is wanted to carry out deceleration driving.
Driving behavior optimization method provided in an embodiment of the present invention is the feelings with driving scene of speeding in the driving scene of this vehicle
Under condition, by the way that the present speed of this vehicle is compared with default speed limit value, and by the distance between Ben Che and adjacent vehicle with
Default safe spacing is compared, and can effectively determine the driving status of this vehicle, is conducive to driver according to the traveling shape of this vehicle
State optimizes driving behavior.
Based on any of the above-described embodiment, a kind of driving behavior optimization method is provided, the driving status of this vehicle is fed back to and is driven
Personnel are sailed, specifically: display position of the pointer in dial plate is determined according to the driving status of this vehicle, according to display position by pointer
It is shown in dial plate, the driving status of this vehicle is fed back into driver.
Specifically, in the embodiment of the present invention, the driving status of this vehicle is fed back to by driver by pointer watch dial.It is first
First, display position of the pointer in dial plate is determined according to the driving status of this vehicle, shows pointer in table further according to display position
The driving status of this vehicle is fed back to driver by disk.It is understood that the driving status of this vehicle is different, then pointer exists
Display position in dial plate is also different, and therefore, driver passes through display position of the pointer in dial plate, you can learn that this vehicle
Driving status, and then driver can optimize driving behavior according to the driving status of this vehicle.
Driving behavior optimization method provided in an embodiment of the present invention determines pointer in dial plate according to the driving status of this vehicle
Display position, pointer is shown in dial plate according to display position, the driving status of this vehicle is fed back into driver.The party
The driving status of this vehicle is fed back to driver by pointer watch dial by method, is conducive to driver and is known this vehicle accurate and visually
Driving status, and then be conducive to driver and driving behavior can be optimized according to the driving status of this vehicle.
Based on any of the above-described embodiment, a kind of driving behavior optimization method is provided, is referred to according to the determination of the driving status of this vehicle
Display position of the needle in dial plate, specifically: the driving status of Ruo Benche is state of slowing down, then pointer is in the display position of dial plate
For the first predeterminable area；The driving status of Ruo Benche is kilter, then pointer is the second preset areas in the display position of dial plate
Domain；The driving status of Ruo Benche is precarious position, then pointer is third predeterminable area in the display position of dial plate.
Specifically, in the embodiment of the present invention, display position of the pointer in dial plate is determined according to the driving status of this vehicle, is had
Body realizes that process is as follows:
The driving status of Ruo Benche is state of slowing down, then pointer is the first predeterminable area in the display position of dial plate, also
It is to say, when the driving status for determining this vehicle is to slow down state, then pointer is shown into the first predeterminable area in dial plate, as a result,
Driver can know that the driving status of this vehicle is state of slowing down accurate and visually.In addition, showing by pointer in dial plate
While first predeterminable area, the text of " state of slowing down " can also be shown on dial plate, and pass through the row of this vehicle of voice broadcast
Sailing state is state of slowing down, to prompt driver to carry out acceleration driving.
The driving status of Ruo Benche is kilter, then pointer is the second predeterminable area in the display position of dial plate, also
It is to say, when the driving status for determining this vehicle is kilter, then pointer is shown into the second predeterminable area in dial plate, as a result,
Driver can know that the driving status of this vehicle is kilter accurate and visually.In addition, showing by pointer in dial plate
While second predeterminable area, the text of " kilter " can also be shown on dial plate, and pass through the row of this vehicle of voice broadcast
Sailing state is kilter, to prompt driver to continue to keep current state.
The driving status of Ruo Benche is precarious position, then pointer is third predeterminable area in the display position of dial plate, also
It is to say, when the driving status for determining this vehicle is precarious position, then pointer is shown into the third predeterminable area in dial plate, as a result,
Driver can know that the driving status of this vehicle is precarious position accurate and visually.In addition, showing by pointer in dial plate
While third predeterminable area, the text of " precarious position " can also be shown on dial plate, and pass through the row of this vehicle of voice broadcast
Sailing state is precarious position, to prompt driver to carry out deceleration driving.
Fig. 2 is the pointer of the embodiment of the present invention in the display position in dial plate and the relation schematic diagram between driving status,
As shown in Fig. 2, dial plate is divided into three regions in the embodiment of the present invention, wherein yellow area is the first predeterminable area, if pointer is aobvious
Show and represents the driving status of this vehicle at this time then in yellow area as the state of slowing down；Green area is the second predeterminable area, if pointer
It is shown in green area, then represents the driving status of this vehicle at this time as kilter；Red area is third predeterminable area, if referring to
Needle is shown in red area, then represents the driving status of this vehicle at this time as precarious position.Wherein, 1. position is the left margin of dial plate
Position；2. position is the boundary position of yellow area and green area；3. position is the center of green area；4. position is
The boundary position of green area and red area；5. position is the right margin position of dial plate.In Fig. 2, the first predeterminable area, second
Predeterminable area and third predeterminable area are fan-shaped region, and fan angle is 30 degree.In other embodiments, the first preset areas
Domain, the Fill Color of the second predeterminable area and third predeterminable area and fan angle size can be set according to actual needs
It sets, is not specifically limited herein.
In the embodiment of the present invention, in the case where the current driving scene of this vehicle is to be traveled freely scene, Ruo Benche's works as
The ratio of preceding speed and default speed limit value is equal to α2, then display position of the pointer in dial plate be figure in position 2.；Ruo Benche
Present speed and default speed limit value ratio be greater than α1And it is less than α2, then display position of the pointer in dial plate is the position in figure
Set 1. and position 2. between；The present speed of Ruo Benche and the ratio of default speed limit value are less than or equal to α1, then pointer is in dial plate
In display position be figure in position 1.；The present speed of Ruo Benche and the ratio of default speed limit value are greater than α2And it is less than α4, then
Pointer the display position in dial plate be position in figure 2. and position 4. between, and and if only if the present speed of this vehicle and pre-
If the ratio of speed limit value is equal to α3(α2<α3<α4) when, 3. for the position in figure, 3. position is located for display position of the pointer in dial plate
In the centre of dial plate, show that the driving status of this vehicle is best at this time；The ratio of the present speed of Ruo Benche and default speed limit value
Equal to α4, then display position of the pointer in dial plate be figure in position 4.；The present speed of Ruo Benche and default speed limit value
Ratio is greater than α4And it is less than α5, then pointer the display position in dial plate be figure in position 4. and position 5. between；Ruo Benche's
Present speed and the ratio of default speed limit value are greater than or equal to α5, then display position of the pointer in dial plate is the position in figure
⑤.Wherein, α1Value is 0.55；α2For above-mentioned first threshold, value 0.7；α3Value is 0.85；α4For above-mentioned second threshold,
Value is 1；α5Value is 1.15.In other embodiments, α1, α2, α3, α4And α5Value can be set according to actual needs
It sets, is not specifically limited herein.
In addition, the current driving scene of this vehicle be with speed driving scene in the case where, if the first ratio be equal to α2Or the
Two ratios are equal to β2, then display position of the pointer in dial plate be figure in position 2.；If the first ratio is greater than α1And it is less than α2Or
Second ratio is greater than β2And it is less than β1, then pointer the display position in dial plate be figure in position 1. and position 2. between；If the
One ratio is less than or equal to α1Or second ratio be greater than or equal to β1, then display position of the pointer in dial plate is the position in figure
①；If the first ratio is greater than α2And it is less than α4Or second ratio be greater than β4And it is less than β2, then display position of the pointer in dial plate be
Position in figure 2. and position 4. between, and and if only if the first ratio be equal to α3(α2<α3<α4) or the second ratio be equal to β3(β4<
β3<β2) when, 3. for the position in figure, 3. position is in the centre of dial plate, show at this time for display position of the pointer in dial plate
The driving status of this vehicle is best；If the first ratio is equal to α4Or second ratio be equal to β4, then display position of the pointer in dial plate be
Position in figure is 4.；If the first ratio is greater than α4And it is less than α5Or second ratio be greater than β5And it is less than β4, then pointer is in dial plate
Display position be figure in position 4. and position 5. between；If the first ratio is greater than or equal to α5Or second ratio be less than or equal to
β5, then display position of the pointer in dial plate be figure in position 5..Wherein, α1Value is 0.55；α2For above-mentioned first threshold,
Value is 0.7；α3Value is 0.85；α4For above-mentioned second threshold, value 1；α5Value is 1.15；β1Value is 1.5；β2It is upper
State third threshold value, value 1.2；β3Value is 1；β4For above-mentioned 4th threshold value, value 0.9；β5Value is 0.8.In other realities
It applies in example, α1, α2, α3, α4, α5, β1, β2, β3, β4And β5Value can be configured according to actual needs, do not do herein specific
It limits.
Driving behavior optimization method provided in an embodiment of the present invention is fed back to the driving status of this vehicle by pointer watch dial
Driver is conducive to driver and knows the driving status of this vehicle accurate and visually, and then being conducive to driver can root
Driving behavior is optimized according to the driving status of this vehicle.
Fig. 3 is the structural schematic diagram that driving behavior provided in an embodiment of the present invention optimizes device, as shown in figure 3, the device
It include: the first computing module 31, the second computing module 32 and driving behavior optimization module 33, in which:
First computing module 31 is used to obtain the current location of this vehicle and the current location of adjacent vehicle, according to working as this vehicle
Front position and the current location of adjacent vehicle determine the distance between this vehicle and adjacent vehicle, as target range.
Specifically, the first computing module 31 first obtains the current location of this vehicle by the navigation system of this vehicle, same with this
When, the first computing module 31 obtains the current location of adjacent vehicle by car networking.Wherein, adjacent vehicle refers to being located at this vehicle
Front and the vehicle nearest apart from this vehicle, the current location of this vehicle and the current location of adjacent vehicle refer respectively to this vehicle and are working as
Geographical position coordinates information of the geographical position coordinates information and adjacent vehicle at preceding moment at current time.
Further, after obtaining the current location of current location and adjacent vehicle of this vehicle, the first computing module 31
Determine the distance between this vehicle and adjacent vehicle according to the current location of the current location of this vehicle and adjacent vehicle, as target away from
From.That is, the first computing module 31 according to this vehicle current time geographical position coordinates information and adjacent vehicle at current time
Geographical position coordinates information calculate the distance between this vehicle and adjacent vehicle, as target range.
Second computing module 32 is used to obtain the present speed of this vehicle, is determined according to the present speed of target range and Ben Che
This vehicle time headway, Ruo Benche time headway be greater than critical time headway, then calculate this vehicle present speed and default speed limit value
Ratio.
Specifically, based on the above technical solution, the second computing module 32 obtains this by the navigation system of this vehicle
The present speed of vehicle, on this basis, the second computing module 32 determine Ben Cheche according to the present speed of target range and Ben Che
Away from the embodiment of the present invention, using the ratio of target range and the present speed of this vehicle as this vehicle time headway when head.Wherein,
Time headway refers in the vehicle platoon travelled on same lane, two continuous vehicle headstock ends by a certain section when
Between be spaced.
Further, after obtaining this vehicle time headway, the second computing module 32 is by this vehicle time headway and critical vehicle
Away from being compared when head, Ruo Benche time headway is greater than critical time headway, then can determine that the current driving scene of this vehicle is
It is traveled freely scene.It should be noted that the driving behavior of driver is not necessarily to by adjacent vehicle in the case where being traveled freely scene
Constraint, and only need constraint driver drive speed.Therefore, determining that the current driving scene of this vehicle is to be traveled freely field
After scape, the second computing module 32 further calculates the present speed of this vehicle and the ratio of default speed limit value.
Driving behavior optimization module 33 is used to determine the driving status of this vehicle according to ratio, and the driving status of this vehicle is anti-
Feed driver, so that driver optimizes driving behavior according to the driving status of this vehicle.
Specifically, based on the above technical solution, the ratio that driving behavior optimization module 33 is obtained according to above-mentioned calculating
It is worth the driving status for determining this vehicle, and the driving status of this vehicle is fed back into driver, so that driver is according to this vehicle
Driving status driving behavior is optimized.In the embodiment of the present invention, by driving status be divided into the state of slowing down, kilter and
Precarious position.Wherein, state of slowing down indicates that the current drive speed of driver is slower, and driver is needed to carry out accelerating to drive
It sails；Kilter indicates that the current driving behavior of driver is preferable, and driver is needed to continue to keep current driving behavior；Danger
Dangerous state indicates that the current drive speed of driver is higher, and driver is needed to carry out deceleration driving.
Based on any of the above-described embodiment, a kind of driving behavior optimization device, the second computing module 32, if being also used to this are provided
Vehicle time headway is not more than critical time headway, then the present speed of this vehicle and the ratio of default speed limit value is calculated, as first
Ratio, and the ratio of target range Yu default safe spacing is calculated, as the second ratio.
Specifically, in the embodiment of the present invention, after obtaining this vehicle time headway, the second computing module 32 is by this vehicle headstock
When away from being compared with critical time headway, Ruo Benche time headway is not more than critical time headway, then can determine that this vehicle is worked as
Preceding driving scene is with driving scene of speeding.It should be noted that not only needing constraint driver's under with driving scene of speeding
Drive speed also needs to constrain the distance between this vehicle and adjacent vehicle.Therefore, determining that the current driving scene of this vehicle is with speeding
After driving scene, the second computing module 32 further calculates the present speed of this vehicle and the ratio of default speed limit value, and will
It calculates the ratio of target range Yu default safe spacing as the first ratio, and as the second ratio.Wherein,
Target range refers to current the distance between this vehicle and adjacent vehicle；Default safe spacing can calculate mould by safe spacing
Type is precalculated.
Driving behavior optimization module 33 is also used to determine the driving status of this vehicle according to the first ratio and the second ratio, and
The driving status of this vehicle is fed back into driver, so that driver carries out driving behavior according to the driving status of this vehicle
Optimization.
Specifically, the first ratio and the second ratio that driving behavior optimization module 33 is obtained according to above-mentioned calculating determine this vehicle
Driving status, and the driving status of this vehicle is fed back into driver, so that driving status of the driver according to this vehicle
Driving behavior is optimized.In the embodiment of the present invention, driving status is divided into the state of slowing down, kilter and precarious position.
Wherein, state of slowing down indicates that the current drive speed of driver is slower, and driver is needed to carry out acceleration driving；Kilter
It indicates that the current driving behavior of driver is preferable, driver is needed to continue to keep current driving behavior；Precarious position indicates
The current drive speed of driver is higher, and driver is needed to carry out deceleration driving.
Driving behavior provided in an embodiment of the present invention optimizes device, specifically executes above-mentioned each method embodiment process, specifically
The content of above-mentioned each method embodiment please be detailed in, details are not described herein again.
Driving behavior provided in an embodiment of the present invention optimizes device, by monitoring the driving condition of driver, energy in real time
It is enough that the driving behavior of driver is effectively optimized, without relying on the mobile unit or roadside device that largely assist, application
It is at low cost and easy to spread, it can be widely applied in control of traffic and road work, advantageously reduce the potential of road traffic accident
Hidden danger, and then be conducive to improve the operational efficiency and safety of road traffic.
Fig. 4 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention.Reference Fig. 4, the electronic equipment,
It include: processor (processor) 41, memory (memory) 42 and bus 43；Wherein, the processor 41 and memory 42
Mutual communication is completed by the bus 43；The processor 41 is used to call the program instruction in the memory 42,
To execute method provided by any of the above-described embodiment of the method, for example, obtain the current location and adjacent vehicle of this vehicle
Current location determines the distance between this vehicle and adjacent vehicle according to the current location of the current location of this vehicle and adjacent vehicle,
As target range；The present speed for obtaining this vehicle determines this vehicle time headway according to the present speed of target range and Ben Che,
Ruo Benche time headway is greater than critical time headway, then calculates the present speed of this vehicle and the ratio of default speed limit value；According to than
It is worth the driving status for determining this vehicle, and the driving status of this vehicle is fed back into driver, so that driver is according to this vehicle
Driving status driving behavior is optimized.
In addition, the logical order in above-mentioned memory 42 can be realized and as only by way of SFU software functional unit
Vertical product when selling or using, can store in a computer readable storage medium.Based on this understanding, this hair
Substantially the part of the part that contributes to existing technology or the technical solution can in other words for the technical solution of bright embodiment
To be expressed in the form of software products, which is stored in a storage medium, including some instructions
With so that computer equipment (can be personal computer, server or the network equipment an etc.) execution present invention is each
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The embodiment of the present invention also provides a kind of non-transient computer readable storage medium, is stored thereon with computer program,
The computer program is implemented to carry out the various embodiments described above offer method when being executed by processor, for example, obtain this vehicle
Current location and adjacent vehicle current location, this vehicle is determined according to the current location of the current location of this vehicle and adjacent vehicle
The distance between adjacent vehicle, as target range；The present speed for obtaining this vehicle, according to the current of target range and Ben Che
Speed determines this vehicle time headway, and Ruo Benche time headway is greater than critical time headway, then calculates the present speed of this vehicle and pre-
If the ratio of speed limit value；The driving status of this vehicle is determined according to ratio, and the driving status of this vehicle is fed back into driver, with
So that driver optimizes driving behavior according to the driving status of this vehicle.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of driving behavior optimization method characterized by comprising
The current location of this vehicle and the current location of adjacent vehicle are obtained, according to the current of the current location of this vehicle and adjacent vehicle
Position determines the distance between this vehicle and adjacent vehicle, as target range；
The present speed for obtaining this vehicle determines this vehicle time headway according to the present speed of the target range and Ben Che, if this
Vehicle time headway is greater than critical time headway, then calculates the present speed of this vehicle and the ratio of default speed limit value；
The driving status of this vehicle is determined according to the ratio, and the driving status of this vehicle is fed back into driver, so that driving
Personnel are sailed to optimize driving behavior according to the driving status of this vehicle.
2. the method according to claim 1, wherein further include:
Ruo Benche time headway is not more than critical time headway, then calculates the present speed of this vehicle and the ratio of default speed limit value,
As the first ratio, and the ratio of the target range Yu default safe spacing is calculated, as the second ratio；
The driving status of this vehicle is determined according to first ratio and second ratio, and the driving status of this vehicle is fed back to
Driver, so that driver optimizes driving behavior according to the driving status of this vehicle.
3. the method according to claim 1, wherein determining the driving status of this vehicle according to the ratio, specifically
Are as follows:
If the ratio is less than first threshold, it is determined that the driving status of this vehicle is state of slowing down；
If the ratio is greater than the first threshold and is less than second threshold, it is determined that the driving status of this vehicle is kilter；
If the ratio is greater than the second threshold, it is determined that the driving status of this vehicle is precarious position.
4. according to the method described in claim 2, it is characterized in that, determining this according to first ratio and second ratio
The driving status of vehicle, specifically:
If first ratio is less than first threshold or second ratio is greater than third threshold value, it is determined that the driving status of this vehicle
For the state of slowing down；
If first ratio be greater than the first threshold and be less than second threshold or second ratio be greater than the 4th threshold value and
Less than the third threshold value, it is determined that the driving status of this vehicle is kilter；
If first ratio is greater than the second threshold or second ratio is less than the 4th threshold value, it is determined that this vehicle
Driving status is precarious position.
5. the method according to claim 3 or 4, which is characterized in that the driving status of this vehicle is fed back to driver, is had
Body are as follows:
Display position of the pointer in dial plate is determined according to the driving status of this vehicle, is shown the pointer according to the display position
Show in the dial plate, the driving status of this vehicle is fed back into driver.
6. according to the method described in claim 5, it is characterized in that, determining pointer in dial plate according to the driving status of this vehicle
Display position, specifically:
The driving status of Ruo Benche is state of slowing down, then the pointer is the first predeterminable area in the display position of the dial plate；
The driving status of Ruo Benche is kilter, then the pointer is the second predeterminable area in the display position of the dial plate；
The driving status of Ruo Benche is precarious position, then the pointer is third predeterminable area in the display position of the dial plate.
7. a kind of driving behavior optimizes device characterized by comprising
First computing module, for obtaining the current location of this vehicle and the current location of adjacent vehicle, according to the present bit of this vehicle
It sets and determines the distance between this vehicle and adjacent vehicle with the current location of adjacent vehicle, as target range；
Second computing module is determined for obtaining the present speed of this vehicle according to the present speed of the target range and Ben Che
This vehicle time headway, Ruo Benche time headway be greater than critical time headway, then calculate this vehicle present speed and default speed limit value
Ratio；
Driving behavior optimization module, for determining the driving status of this vehicle according to the ratio, and the driving status of this vehicle is anti-
Feed driver, so that driver optimizes driving behavior according to the driving status of this vehicle.
8. device according to claim 7, it is characterised in that:
Second computing module is also used to Ruo Benche time headway no more than critical time headway, then calculates the current of this vehicle
The ratio of speed and default speed limit value as the first ratio, and calculates the ratio of the target range Yu default safe spacing, makees
For the second ratio；
The driving behavior optimization module is also used to determine the traveling shape of this vehicle according to first ratio and second ratio
State, and the driving status of this vehicle is fed back into driver, so that driver goes to driving according to the driving status of this vehicle
To optimize.
9. a kind of electronic equipment characterized by comprising
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough methods executed as described in claim 1 to 6 is any.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 6 is any.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110503522A (en) * | 2019-08-23 | 2019-11-26 | 北京嘀嘀无限科技发展有限公司 | Track order generation method, storage medium and electronic equipment |
| CN117238131A (en) * | 2023-09-14 | 2023-12-15 | 中国民航大学 | Traffic flow characteristic analysis method in Internet of vehicles environment |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110503522A (en) * | 2019-08-23 | 2019-11-26 | 北京嘀嘀无限科技发展有限公司 | Track order generation method, storage medium and electronic equipment |
| CN110503522B (en) * | 2019-08-23 | 2021-02-12 | 北京嘀嘀无限科技发展有限公司 | Tracking order generation method, storage medium and electronic equipment |
| CN117238131A (en) * | 2023-09-14 | 2023-12-15 | 中国民航大学 | Traffic flow characteristic analysis method in Internet of vehicles environment |
| CN117238131B (en) * | 2023-09-14 | 2024-05-07 | 中国民航大学 | Traffic flow characteristic analysis method in Internet of vehicles environment |
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