CN105427640B - The green wave speed inducible system of main line based on mobile terminal GPS positioning and method - Google Patents
The green wave speed inducible system of main line based on mobile terminal GPS positioning and method Download PDFInfo
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Abstract
It includes data acquisition unit, GPS positioning unit, data processing unit, display unit, data processing unit that the present invention, which provides a kind of green wave speed inducible system of the main line based on mobile terminal GPS positioning and method, the system,：By real-time vehicle running position, the time t=l/v that vehicle travels arrival downstream intersection to the distance l of downstream intersection and with present speed is calculated；And each turn signal lamp of entrance driveway that the journey time t calculating vehicle arrival times of downstream intersection are reached according to vehicle is shown and its countdown situation, provides speed suggestion value or section.The system and method, according to vehicle location situation, to its pushing speed recommended value, induction is more effective, and has specific aim and flexibility.With mobile terminal GPS gathers positioning data of vehicles, without installing fixed vehicle equipment；Relevant information is shown with mobile terminal, without installing fixed information distributing apparatus in trackside.
Description
Technical field
The present invention relates to a kind of green wave speed inducible system of main line based on mobile terminal GPS positioning and methods.
Background technology
In city road network, main line cooperative control method is often taken to improve arterial road traffic circulation efficiency, reduces vehicle
Stop frequency ensures the steady passage of arterial road traffic flow.It is provided on the road that main line Collaborative Control is carried out in part green
Wave velocity notice board provides the travel speed recommended value that can enter green wave for driver.However, by intersection spacing,
The many factors such as roadside entrance, non-motor vehicle and pedestrian's interference influence, and driving vehicle is difficult setting with traffic engineer
Meter speed degree is maintained in main line green wave band, i.e., the vehicle ratio that explanation can travel in green wave band is not high, to cause green wave
Application effect is bad.
For this problem, the prior art usually fixes induced screen or other display devices to vehicle operator with trackside
It issues the green display situation of brief intersection lipstick or speed induction is carried out with fixed green wave design speed.This type of information issue or
There are certain defects for speed induction means：
Current overwhelming majority system mount display outside section median strip or road, display downstream intersection letter
Signal lamp pornographic condition；Or green wave design speed is issued for vehicle operator with fixed equipments such as variable information boards.Partial velocity lures
Guiding systems provide sections of road speed suggestion value based on the fixed Traffic flow detecting equipment such as coil to the vehicle for crossing coil.
It is pre- that fixed display inducing device only issues consistent signal to the vehicle operator for driving to its position
Announcement and pacesetting information lack flexibility.Such technology needs to design laying display device according to system or vehicle detection is set
It is standby, increase system implementation cost.
Such as,《One seed road section green wave induction shunting control method for coordinating》One group of friendship is installed every a distance in section
Then signal lamp in these sections and the implementation of exit signal lamp are uniformly coordinated control by ventilating signal lamp.For another example,《Green wave band is aobvious
Show traffic flow signal control device》In section median strip mount display, is shone with the type of flow, show green wave.Again
Such as,《Green wave speed bootstrap technique outside road based on bus or train route collaboration》LED signal display device is installed, it is made to believe with downstream intersection
Number control collaboration.
Invention content
In view of lacking for the green wave inducible system of main line above based on fixed vehicle detector and fix information distribution apparatus
It falls into, the present invention proposes a kind of green wave speed induction of the main line based on mobile terminal GPS positioning and information issuing system.
The present invention is directed to a kind of green wave speed induction of main line based on mobile terminal GPS positioning and information publication system
System forecasts each entrance driveway signal lamp and its countdown situation of the downstream intersection when it is reached for vehicle driver, carries simultaneously
It is induced for green wave velocity, sections of road vehicle is made actively to adjust travel speed, enter green wave band as far as possible, it is not parking to pass through downstream
Intersection parking delay is reduced in intersection.
Technical solution of the invention is：
A kind of green wave speed inducible system of main line based on mobile terminal GPS positioning, including data acquisition unit, GPS are fixed
Bit location, data processing unit, display unit, storage unit,
Data acquisition unit：By access urban road whistle control system data, integrative design intersection scheme is obtained,
And the integrative design intersection scheme of acquisition is transmitted to data processing unit processing；
GPS positioning unit：By location information, by map match, shown in electronic map vehicle real time position and
Real time running speed v；
Data processing unit：By real-time vehicle running position, calculate vehicle to the distance l of downstream intersection stop line and
The time t=l/v for reaching downstream intersection is travelled with present speed；And the journey time t of downstream intersection is reached according to vehicle
Each turn signal lamp of entrance driveway of prediction vehicle arrival time is shown and its countdown situation, provides speed suggestion value or section；
Display unit：The information of display data collecting unit, GPS positioning unit and data processing unit, including prediction
Intersection signal light color and countdown, electronic map, vehicle real time position, real time running speed v and suggestion speed；
Storage unit：The information of storage data acquisition unit, GPS positioning unit and data processing unit, including acquisition
Integrative design intersection scheme, electronic map, vehicle real time position, real time running speed v and suggestion speed.
Further, traffic lights is green when data processing unit reaches downstream intersection stop line according to the vehicle of meter prediction
The case where lamp, provides following prompt：If it is green light to calculate when reaching and countdown is more than 5 seconds, under speed is passed through with present speed
Swim intersection；Otherwise, prompt vehicle accelerates.
Further, traffic lights is red light when data processing unit reaches downstream intersection stop line according to the vehicle of prediction
The case where provide following prompt：
It is red light when prediction reaches, and time of origin is t to red lightr, countdown tr’；Yellow time is in the period
ty；
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band
Or the green time by slowing down in the next period reaches downstream intersection and enters green wave band；Enable t1=t- (ty+tr), t2=t+
tr', if va=l/t1≥vmaxAnd vb=l/t2≤vmin, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle is suitable
Work as deceleration；If va=l/t1≤vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/
t2≥vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle is by slowing down in the green time arrival downstream intersection in next period；If vb=l/t2
≥vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave band.
Further, speed suggestion value or section are provided by the way of screen display or voice prompt.
A kind of green wave speed abductive approach of main line based on mobile terminal GPS positioning, including：
S1, GPS positioning information show vehicle real time position and real time running by map match in electronic map
Speed v；
S2, by real-time vehicle running position, calculate vehicle to the distance l of downstream intersection stop line and with present speed
Traveling reaches the time t=l/v of downstream intersection；
S3, system access urban road whistle control system data obtain integrative design intersection scheme, and according to vehicle
Each turn signal lamp of entrance driveway for reaching the journey time t acquisition vehicle arrival times of downstream intersection is shown and its countdown feelings
Condition provides speed suggestion value or section：
If being more than 5 seconds for green light and countdown when reaching, speed passes through downstream intersection with present speed；
If being green light when reaching, countdown is less than 5 seconds, then prompts vehicle suitably to accelerate；
If when reaching being red light, and time of origin is t to red lightr, countdown tr', yellow time is t in the periody,
Then：
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band
Or the green time by slowing down in the next period reaches downstream intersection and enters green wave band；Enable t1=t- (ty+tr), t2=t+
tr'；If va=l/t1≥vmaxAnd vb=l/t2≤vmin, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle subtracts
Speed；If va=l/t1≤vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/t2≥
vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle may be by slowing down in the green time arrival downstream intersection in next period；If vb=
l/t2≥vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave
Band.
The beneficial effects of the invention are as follows：The green wave speed inducible system of main line of this kind based on mobile terminal GPS positioning and side
Method, according to vehicle location situation, to its pushing speed recommended value, induction is more effective, and has specific aim and flexibility.To move
Dynamic terminal GPS gathers positioning data of vehicles, without installing fixed vehicle equipment；Relevant information is shown with mobile terminal,
Without installing fixed information distributing apparatus in trackside.
Description of the drawings
Fig. 1 is that main line of the embodiment of the present invention based on mobile terminal GPS positioning green wave speed inducible system illustrates block diagram.
Fig. 2 is the process description of the green wave speed abductive approach of main line of the embodiment of the present invention based on mobile terminal GPS positioning
Schematic diagram.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment
Based on mobile terminal GPS positioning, shift to an earlier date to it when the vehicle for being mounted with the mobile phone does not reach crossing inlet road
Traffic signals situation of the front cross mouth when it is reached, including light color and countdown number are predicted, while traveling is provided for vehicle
Speed suggestion value makes it be travelled in green wave band as possible.
The green wave speed inducible system of main line of this kind based on mobile terminal GPS positioning, such as Fig. 1, including data acquisition unit,
GPS positioning unit, data processing unit, display unit, storage unit.
Data acquisition unit：By access urban road whistle control system data, integrative design intersection scheme is obtained,
And give the integrative design intersection scheme of acquisition to data processing unit processing.
GPS positioning unit：By location information, by map match, shown in electronic map vehicle real time position and
Real time running speed v.
Data processing unit：By real-time vehicle running position, calculate vehicle to the distance l of downstream intersection stop line and
The time t=l/v for reaching downstream intersection is travelled with present speed；And the journey time t of downstream intersection is reached according to vehicle
Each turn signal lamp of entrance driveway for calculating vehicle arrival time is shown and its countdown situation, provides speed suggestion value or section；
Display unit：The information of display data collecting unit, GPS positioning unit and data processing unit, including prediction
Intersection signal light color and countdown, electronic map, vehicle real time position, real time running speed and suggestion speed；
Storage unit：The information of storage data acquisition unit, GPS positioning unit and data processing unit, including acquisition
Integrative design intersection scheme, electronic map, vehicle real time position, real time running speed and suggestion speed.
The case where traffic lights is green light when data processing unit reaches downstream intersection stop line according to the vehicle of prediction is given
Go out following prompt：
If it is green light to calculate when reaching and countdown is more than 5 seconds, speed passes through downstream intersection with present speed.
If it is green light to calculate when reaching, countdown is less than 5 seconds, then prompts vehicle suitably to accelerate.
The case where traffic lights is red light when data processing unit reaches downstream intersection stop line according to the vehicle of meter prediction
Provide following prompt：
It is red light to calculate when reaching, and time of origin is t to red lightr, countdown tr’；Yellow time is in the period
ty；
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band
Or the green time by slowing down in the next period reaches downstream intersection and enters green wave band；Enable t1=t- (ty+tr), t2=t+
tr', if va=l/t1≥vmaxAnd vb=l/t2≤vmin, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle subtracts
Speed；If va=l/t1≤vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/t2≥
vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle is by slowing down in the green time arrival downstream intersection in next period；If vb=l/t2
≥vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave band.
The green wave speed inducible system of main line of this kind based on mobile terminal GPS positioning, can realize downstream intersection signal
Forecast is prompted the distance away from downstream intersection stop line, the time of downstream intersection stop line is reached with current driving speed, is arrived
Up to each steering traffic signals light color and its countdown situation in moment intersection respective inlets road.It can realize that travel speed lures
It leads, can be not parking by downstream intersection under the conditions of rate limitation in section, provide suggestion travel speed section to the user；If
Red light can not be avoided, then prompts the user with appropriate deceleration, reduces its down time in crossing inlet road.Reality can also be passed through
Shi Dingwei shows vehicle real time position on the electronic map.
The green wave speed abductive approach of main line of this kind based on mobile terminal GPS positioning, such as Fig. 2, including：
GPS positioning information shows vehicle real time position and real time running speed by map match in electronic map
v；
By real-time vehicle running position, vehicle is calculated to the distance l of downstream intersection stop line and with present speed row
Sail to the time t=l/v up to downstream intersection；
System access urban road whistle control system data obtain integrative design intersection scheme, and are arrived according to vehicle
Each turn signal lamp of entrance driveway up to the journey time t acquisition vehicle arrival times of downstream intersection is shown and its countdown feelings
Condition provides speed suggestion value or section：
If being more than 5 seconds for green light and countdown when reaching, speed passes through downstream intersection with present speed；
If being not more than 5 seconds for green light and countdown when reaching, vehicle is prompted suitably to accelerate；
If when reaching being red light, and time of origin is t to red lightr, countdown tr', yellow time is t in the periody,
Then：
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band
Or the green time by slowing down in the next period reaches downstream intersection and enters green wave band；Enable t1=t- (ty+tr), t2=t+
tr'；If va=l/t1≥vmaxAnd vb=l/t2≤vmin, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle subtracts
Speed；If va=l/t1≤vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/t2≥
vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle is by slowing down in the green time arrival downstream intersection in next period；If vb=l/t2
≥vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave band.
The green wave speed inducible system of main line of this kind based on mobile terminal GPS positioning and method, according to vehicle location situation,
To its pushing speed recommended value, induction is more effective, and has specific aim and flexibility.It is fixed with mobile terminal GPS gathers vehicle
Position data, without installing fixed vehicle equipment；Relevant information is shown with mobile terminal, it is fixed without being installed in trackside
Information distributing apparatus.
Claims (4)
1. a kind of green wave speed inducible system of main line based on mobile terminal GPS positioning, it is characterised in that：It is acquired including data single
Member, GPS positioning unit, data processing unit, display unit, storage unit,
Data acquisition unit：By accessing urban road whistle control system data, integrative design intersection scheme is obtained, and will
The integrative design intersection scheme of acquisition gives data processing unit processing；
GPS positioning unit：By location information, by map match, shown in electronic map vehicle real time position and in real time
Travel speed v；
Data processing unit：By real-time vehicle running position, vehicle is calculated to the distance l of downstream intersection stop line and to work as
Preceding speed traveling reaches the time t=l/v of downstream intersection；And the journey time t that downstream intersection is reached according to vehicle is calculated
Each turn signal lamp of entrance driveway of vehicle arrival time is shown and its countdown situation, provides speed suggestion section；
Data processing unit according to prediction vehicle reach downstream intersection stop line when traffic lights be red light the case where provide as
Lower prompt：
It is red light when prediction reaches, and time of origin is t to red lightr, countdown tr’；Yellow time is t in the periody；
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band or logical
It crosses the green time arrival downstream intersection to slow down in the next period and enters green wave band；Enable t1=t- (ty+tr), t2=t+tr', if
va=l/t1≥vmaxAnd vb=l/t2≤vmin, wherein vminThe minimum speed limit in section, v where vehiclemaxThe road where vehicle
The maximum speed limit of section, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle suitably slows down；If va=l/t1≤
vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/t2≥vmin, then vehicle with
[vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle is by slowing down in the green time arrival downstream intersection in next period；If vb=l/t2≥
vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave band；
Display unit：The information of display data collecting unit, GPS positioning unit and data processing unit, including intersection signal
Light color and countdown, electronic map, vehicle real time position, real time running speed v and suggestion speed；
Storage unit：The information of storage data acquisition unit, GPS positioning unit and data processing unit, includes the intersection of acquisition
Mouth signal timing plan, electronic map, vehicle real time position, real time running speed v and suggestion speed.
2. the green wave speed inducible system of main line as described in claim 1 based on mobile terminal GPS positioning, which is characterized in that
The case where traffic lights is green light when data processing unit reaches downstream intersection stop line according to the vehicle of prediction provides to be carried as follows
Show：
If being more than 5 seconds for green light and countdown when prediction reaches, speed passes through downstream intersection with present speed；
If being green light when prediction reaches, countdown is less than 5 seconds, then prompts vehicle suitably to accelerate.
3. the green wave speed inducible system of main line as described in claim 1 based on mobile terminal GPS positioning, it is characterised in that：
Speed suggestion value or section are provided by the way of screen display or voice prompt.
4. a kind of green wave speed abductive approach of main line based on mobile terminal GPS positioning, which is characterized in that including：
S1, GPS positioning information show vehicle real time position and real time running speed by map match in electronic map
v；
S2, by real-time vehicle running position, calculate vehicle and travelled to the distance l of downstream intersection stop line and with present speed
Reach the time t=l/v of downstream intersection；
S3, system access urban road whistle control system data obtain integrative design intersection scheme, and are reached according to vehicle
Each turn signal lamp of entrance driveway of the journey time t prediction vehicle arrival times of downstream intersection is shown and its countdown situation,
Provide speed suggestion value or section：
If being more than 5 seconds for green light and countdown when reaching, speed passes through downstream intersection with present speed；
If being not more than 5 seconds for green light and countdown when reaching, vehicle is prompted suitably to accelerate；
If when reaching being red light, and time of origin is t to red lightr, countdown tr', yellow time is t in the periody, then：
If t ＞ tr+ty, then vehicle is by accelerating the green time in this period to reach downstream intersection and entering green wave band or logical
It crosses the green time arrival downstream intersection to slow down in the next period and enters green wave band；Enable t1=t- (ty+tr), t2=t+tr'；If
va=l/t1≥vmaxAnd vb=l/t2≤vmin, wherein vminThe minimum speed limit in section, v where vehiclemaxThe road where vehicle
The maximum speed limit of section, then vehicle acceleration or deceleration cannot be into green wave band, and prompt vehicle suitably slows down；If va=l/t1≤
vmax, then vehicle is with section [va,vmax] in speed traveling can enter green wave band；If vb=l/t2≥vmin, then vehicle with
[vmin,vb] overall travel speed traveling can enter green wave band；
If t≤tr+ty, then vehicle is by slowing down in the green time arrival downstream intersection in next period；If vb=l/t2≥
vmin, then vehicle is with [vmin,vb] overall travel speed traveling can enter green wave band；Otherwise, prompt vehicle cannot be introduced into green wave band.
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