CN108978382A - A kind of multidirectional collaboration traffic method of single-pass - Google Patents
A kind of multidirectional collaboration traffic method of single-pass Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
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Abstract
The invention discloses a kind of multidirectional collaboration traffic methods of single-pass, the definition of " single-pass is multidirectional " is basis in the present invention, herein on basis, each crossroad current moment, transit time are set by algorithm, by cooperateing with running speed, enable urban transportation that there is reasonable period and rhythm, so that each crossroad passage be enable to cooperate with, after accomplishing that vehicle driving encounters a red light as far as possible, what is next encountered is green light.In the present invention, if carrying out networking and programming Control to each crossroad traffic lights, traffic control center can adjust at any time each crossing current moment, transit time according to wagon flow situation, to improve traffic efficiency.Compared with prior art, the present invention can be such that entire urban transportation cooperates with, and facilitate the driving transit time for adjusting each each direction in crossing according to traffic conditions, to greatly improve urban transportation efficiency, alleviate the congestion of current urban transportation, economic and social benefits are inestimable.
Description
Technical field
The present invention relates to road traffic control method fields, and in particular to a kind of multidirectional collaboration traffic side of urban road single-pass
Method.
Background technique
On March 25th, 1972 Ministry of Public Security and Ministry of Communications combine and promulgated " city and highway traffic control rule ", pass through after this
It crosses continuous revision and enriches, and the promulgation of related other traffic administrations rule, gradually formed existing traffic rules.It is existing
In traffic rules, the mode of transportation of general city road crossing is bilateral one-way traffic method, i.e., by crossroad access
It is divided into two-way straight trip green light passage or Dual Left Turn green light is current, generally with no restrictions to right-turning vehicles pedestrian, and also it is entire
Traffic light time does not cooperate with or is difficult to cooperate between each crossroad in city, causes vehicle etc. often to get lodged in road and waits
Red light, rather than travel on the way, urban transportation traffic efficiency is low, and motor vehicle has crossroad with non-maneuver at the parting of the ways
Line, congestion is abnormal, Frequent Accidents.
Summary of the invention
In order to overcome the shortcomings of above-mentioned existing traffic method or traffic rules, the present invention provides a kind of multidirectional collaborations of single-pass
Traffic method.
The technical solution adopted by the present invention to solve the technical problems are as follows:
A kind of multidirectional collaboration traffic method of single-pass, method includes the following steps:
Step 1, it sets
Urban road is south and north, east and west trend, and east-west to be indicated with coordinate value " n ", south-north direction is marked with coordinate value " m "
Show, A is used at each direction crossing respectively in a crossroad (n, m)(n,m)、B(n,m)、C(n,m)、D(n,m)Mark；It is east-west to be referred to as
For street, south-north direction is referred to as road, then the (n-1)th tunnel of the street m and the n-th tunnel crossroad distance Lm (n-1,n)Mark, the n-th road m-
1 street and the street m crossroad distance Ln (m-1,m)Mark；
Step 2, it defines
" single-pass " is A(n,m)、B(n,m)、C(n,m)、D(n,m)Four crossings every time only pass through a crossing, four crossings according to
Secondary passage, current period and passage are defined as T total time(n,m)=TA(n,m)+TB(n,m)+TC(n,m)+TD(n,m), wherein TA(n,m)……
TD(n,m)Respectively each crossing transit time；Tm L(n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)Crossing distance needs
The collaboration time, vm (n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)The collaboration speed that crossing distance needs；
It is described it is " multidirectional " for above-mentioned each crossing at execution " single-pass ", each runway is turned left, keeps straight on, turns right, is adjusted
Head multiple directions are all current；
Step 3, it cooperates with
As A(n,m)Crossing is the green light current moment in the t time, then according to collaboration running speed vm (n,n+1)And A(n,m)With
A(n+1,m)Crossing distance Lm (n,n+1)T is calculatedm L(n,n+1)=Lm (n,n+1)/vm (n,n+1),A(n+1,m)Crossing green light is in tn+1=t+
Tm L(n,n+1)Moment opens, the A(n+1,m)Crossing green light transit time and running time Tm L(n,n+1)At period and multiple proportion
(do not consider that yellow time is generally its 1/2), obtains A based on the algorithm(n+1,m)Crossing is passed through moment, transit time, and with this
Analogize, so that direction through vehicles are encountering a red light or collaboration driving speed when urban road is current from West to East in the street m
After degree, what is next encountered is green light；
Due to A(n,m)With A(n+1,m)Crossing distance and C(n,m)With C(n+1,m)Crossing is all L apart from identicalm (n,n+1), so one
As in the case of A(n,m)With C(n+1,m)Crossing should open green light, i.e. C in synchronization(n+1,m)With A(n,m)Crossing is current simultaneously, according to
According to above-mentioned, the street m is encountering a red light or collaboration running speed when urban road is current from east orientation west to through vehicles
Afterwards, what is next encountered is also green light；
Step 4, after each crossroad east-west direction in the street above-mentioned m current moment, transit time determine, according to the n-th tunnel
North and South direction cooperates with running speed vn (m,m+1)M+1 is successively calculated with the n-th road street m and the street m+1 crossroad distance
The each crossing in street current moment, transit time, and so on；
The collaboration traffic on all roads Jie He so can be realized, so that all through vehicles that urban road passes through are encountering
After one red light or collaboration running speed, what is next encountered is green light.
It should be noted that heretofore described " collaboration running speed vm (n,n+1)" it is a variate, rather than definite value, together
Sample, with vm (n,n+1)Relevant crossing transit time T(n,m)It is also a variate, also, since vehicle passes through crossroad needs
Regular hour, so T(n,m)Certain value is had to be larger than, but due to above-mentioned relation, under normal circumstances, increases T(n,m)It will make
Obtain vm (n,n+1)Reduce, vm (n,n+1)Reduction means that passage speed is slow, so T(n,m)With vm (n,n+1)Will according to road conditions with
Vehicle flowrate takes an equilibrium valve in certain reasonable interval.Its value and each crossroad distance L are related with vehicle flowrate, generally
Lm (n,n+1)It is smaller, vehicle flowrate is bigger, then vm (n,n+1)It is smaller, i.e. vm (n,n+1)With Lm (n,n+1)Change and changes.
Further, the passage moment of each crossroad, transit time according to crossing distance with cooperate with running speed
After being calculated, networking control is carried out by programming, by traffic control center each crossing is adjusted according to wagon flow situation at any time and passed through
Moment, transit time, to improve traffic efficiency.
Further, each crossroad is provided with non-motor vehicle left-hand rotation Accreditation Waiting Area before each non-motorized lane,
Route is formed with motor vehicle to avoid left-turn non-motor to intersect.
Further, every runway is set as both keeping straight on or turning left or can both keep straight in each crossroad
It can also turn right, wait red light vehicle queue length to shorten crossing.
Further, as the city crossroad Zhong Ge distance Ln (m-1,m)With Lm (n-1,n)It is different and unequal with n and m,
When cannot achieve the collaboration traffic on all roads Jie He, the passage moment of each crossroad, transit time are set to guarantee certain
Based on the driving of one direction is unobstructed.
Bring beneficial effect of the present invention has:
The definition of " single-pass is multidirectional " is basis in the present invention, current to each crossroad by algorithm herein on basis
Moment, transit time setting enable urban transportation to have reasonable period and rhythm by collaboration running speed, thus
Each crossroad passage is set to cooperate with, after accomplishing that vehicle driving encounters a red light as far as possible, what is next encountered is equal
It is green light.
In the present invention, if to each crossroad traffic lights carry out networking and programming Control, traffic control center can be according to vehicle
Stream situation adjusts each crossing current moment, transit time at any time, to improve traffic efficiency.
Compared with prior art, the present invention can be such that entire urban transportation cooperates with, and convenient according to traffic conditions
The driving transit time in each direction in each crossing is adjusted, to greatly improve urban transportation efficiency, alleviates current urban transportation
Congestion, and can be good at control city speed, effectively avoid hypervelocity generation, the hair effectively to avoid traffic accident
Raw, economic and social benefits are inestimable.
Detailed description of the invention
Referring to attached drawing, the disclosure of the present invention will become more readily understood.Skilled addressee readily understands that: this
It is only used to illustrate the technical scheme of the present invention for a little attached drawings, and is not intended to limit the scope of protection of the present invention,
Wherein:
Fig. 1 is entire urban transportation Synergistic method schematic diagram of the invention；
Fig. 2 is (n, m) a crossroad access structural schematic diagram of the invention.
Specific embodiment
Embodiment 1
Referring to Fig.1, the multidirectional collaboration traffic method of a kind of single-pass, method includes the following steps:
Step 1, it sets
Urban road is south and north, east and west trend, and east-west to be indicated with coordinate value " n ", south-north direction is marked with coordinate value " m "
Show, A is used at each direction crossing respectively in a crossroad (n, m)(n,m)、B(n,m)、C(n,m)、D(n,m)Mark；It is east-west to be referred to as
For street, south-north direction is referred to as road, then the (n-1)th tunnel of the street m and the n-th tunnel crossroad distance Lm (n-1,n)Mark, the n-th road m-
1 street and the street m crossroad distance Ln (m-1,m)Mark；
Step 2, it defines
" single-pass " is A(n,m)、B(n,m)、C(n,m)、D(n,m)Four crossings every time only pass through a crossing, four crossings according to
Secondary passage, current period and passage are defined as T total time(n,m)=TA(n,m)+TB(n,m)+TC(n,m)+TD(n,m), wherein TA(n,m)……
TD(n,m)Respectively each crossing transit time；Tm L(n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)Crossing distance needs
The collaboration time, vm (n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)The collaboration speed that crossing distance needs；
It is described it is " multidirectional " for above-mentioned each crossing at execution " single-pass ", each runway is turned left, keeps straight on, turns right, is adjusted
Head multiple directions are all current；
Step 3, it cooperates with
As A(n,m)Crossing is the green light current moment in the t time, then according to collaboration running speed vm (n,n+1)And A(n,m)With
A(n+1,m)Crossing distance Lm (n,n+1)T is calculatedm L(n,n+1)=Lm (n,n+1)/vm (n,n+1),A(n+1,m)Crossing green light is in tn+1=t+
Tm L(n,n+1)Moment opens, the A(n+1,m)Crossing green light transit time and running time Tm L(n,n+1)At period and multiple proportion
(do not consider that yellow time is generally its 1/2), obtains A based on the algorithm(n+1,m)Crossing is passed through moment, transit time, and with this
Analogize, so that direction through vehicles are encountering a red light or collaboration driving speed when urban road is current from West to East in the street m
After degree, what is next encountered is green light；
Due to A(n,m)With A(n+1,m)Crossing distance and C(n,m)With C(n+1,m)Crossing is all L apart from identicalm (n,n+1), so one
As in the case of A(n,m)With C(n+1,m)Crossing should open green light, i.e. C in synchronization(n+1,m)With A(n,m)Crossing is current simultaneously, according to
According to above-mentioned, the street m is encountering a red light or collaboration running speed when urban road is current from east orientation west to through vehicles
Afterwards, what is next encountered is also green light；
Step 4, after each crossroad east-west direction in the street above-mentioned m current moment, transit time determine, according to the n-th tunnel
North and South direction cooperates with running speed vn (m,m+1)M+1 is successively calculated with the n-th road street m and the street m+1 crossroad distance
The each crossing in street current moment, transit time, and so on；
The collaboration traffic on all roads Jie He so can be realized, so that all through vehicles that urban road passes through are encountering
After one red light or collaboration running speed, what is next encountered is green light.It should be noted that " association described in the present embodiment
With running speed vm (n,n+1)" it is a variate, rather than definite value, equally, with vm (n,n+1)Relevant crossing transit time T(n,m)It is also
One variate, also, since vehicle by crossroad needs the regular hour, so T(n,m)Certain value is had to be larger than, still
Due to above-mentioned relation, under normal circumstances, increase T(n,m)It will make vm (n,n+1)Reduce, vm (n,n+1)Reduction means that current speed
Degree is slow, so T(n,m)With vm (n,n+1)An equilibrium valve is taken in certain reasonable interval according to road conditions and vehicle flowrate.Its
It is worth, general L related with vehicle flowrate to each crossroad distance Lm (n,n+1)It is smaller, vehicle flowrate is bigger, then vm (n,n+1)It is smaller, i.e.,
vm (n,n+1)With Lm (n,n+1)Change and changes.
The present embodiment application city passing vehicle under ideal conditions, i.e. urban planning be more regular, each ten in city
Word crossing distance Ln (m-1,m)With Lm (n-1,n)Roughly equal ideal situation.
For example, certain city street Jie He and road and road are all at a distance of 700m, each crossroad is in side length Lm (n,n+1)=700m
Square net on, then in general vehicle flowrate, collaboration transit time can be set as 100s, i.e. T(n,m)=100s,
And TA(n,m)=TB(n,m)=TC(n,m)=TD(n,m)=25s, then Tm L(n,n+1)=50s (does not consider yellow time), collaboration driving speed
Spend vm (n,n+1)=Lm (n,n+1)/Tm L(n,n+1)=700/50=14m/s, about 50.4km/h.If vehicle flowrate is less, T can be shortened(n,m)
Value, can improve v in this waym (n,n+1)Value.
This method may make entire urban transportation to cooperate with, especially through vehicles, encounter (or the collaboration of a red light
Running speed) what is next encountered afterwards can be entirely green light, and it allows vehicle to walk on the road, does not allow for vehicle etc. on the way, greatly mention
High urban highway traffic utilization rate alleviates traffic congestion.
Embodiment 2
The multidirectional collaboration traffic method of single-pass based on embodiment 1.
As each crossroad distance L in city in realityn (m-1,m)With Lm (n-1,n)With n and m it is different and unequal when, difference
When different larger, occur it cannot be guaranteed that all crossing transit time T cooperateed with all sections running speed v can obtain it is reasonable or
The case where person's desired quantity, that is, when cannot achieve the collaboration traffic on all roads Jie He, passage moment of each crossroad, it is current when
Between setting with guarantee the driving of a direction/main roads it is unobstructed based on.
Street as the long and narrow distribution of thing or east-west direction is presented in certain cities is city arterial street, and each street
It is again not straight, then each crossroad transit time can be to guarantee that east-west direction driving is unobstructed according to the method for the present invention
Main to be set, the preferential setting crossing A and the crossing C current moment and time, transit time can also be appropriately extended, and shorten the crossing B
With the crossing D transit time, also, each street can the relatively independent crossing setting A and the crossing C current moment and time, do not consider
Or consider the collaboration situation on each road less, can at least guarantee the smooth passage of east-west direction through vehicles in this way.
Embodiment 3
The multidirectional collaboration traffic method of single-pass based on embodiment 1.
Passage moment of each crossroad, transit time according to crossing distance with cooperate with running speed to be calculated after, lead to
It crosses programming and carries out networking control.
Urban transportation command centre can facilitate the green light transit time for adjusting each each direction in crossing according to traffic conditions,
And by simple programming Control, the green light transit time in each direction in each crossing is made to may be implemented to link.For example, certain city
The city north is mostly residential area, and south is industrial area, and vehicle when every morning goes to work from north to south is more, when coming off duty from south to north
Vehicle is more.So according to the method for the present invention, each crossroad can will prolong from north to south to crossing transit time every morning
Long, crossing transit time shortens from south to north, that is, extends all crossings D transit time, shorten all crossings B transit time, and
It need not influence east-west direction (crossing A and the crossing C transit time) vehicular traffic.Vice versa.
Embodiment 4
The multidirectional collaboration traffic method of single-pass based on embodiment 1.
Referring to Fig. 2, each crossroad is provided with non-motor vehicle left-hand rotation Accreditation Waiting Area before each non-motorized lane.
Non-motor vehicle left-hand rotation is divided into two straight trip steps by the present embodiment to be implemented, non-motor vehicle needs turn left in A(n,m)Road
Mouth enters B when current(n,m)" non-motor vehicle left-hand rotation Accreditation Waiting Area " before crossing, in B(n,m)Straight trip passes through four crossway when crossing is current
Mouthful, it can avoid the non-maneuver generation route with motorized traffic and intersect, reduce accident.
According to wagon flow situation, every runway can be set to both keep straight on or turn left or both may be used in each crossroad
Straight trip can also turn right, and wait red light vehicle queue length to shorten crossing.
Above describe a variety of different embodiments of the invention, it is obvious to a person skilled in the art that of the invention
It is not limited to the details of above-mentioned exemplary embodiment, above content is only presently preferred embodiments of the present invention, should not be construed as limiting
Fixed practical range of the invention.Any changes and modifications in accordance with the scope of the present application should still belong to this hair
Within bright patent covering scope.
Although not each embodiment only includes one simultaneously it should be appreciated that this specification is described according to embodiment
This narrating mode of independent technical solution, this specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
Claims (5)
1. a kind of multidirectional collaboration traffic method of single-pass, it is characterised in that: method includes the following steps:
Step 1, it sets
Urban road is south and north, east and west trend, and east-west to be indicated with coordinate value " n ", south-north direction is indicated with coordinate value " m ", the
A is used at each direction crossing respectively in a crossroad (n, m)(n,m)、B(n,m)、C(n,m)、D(n,m)Mark；It is east-west to be referred to as street,
South-north direction is referred to as road, then the (n-1)th tunnel of the street m and the n-th tunnel crossroad distance Lm (n-1,n)Mark, the n-th road street m-1 with
The street m crossroad distance Ln (m-1,m)Mark；
Step 2, it defines
" single-pass " is A(n,m)、B(n,m)、C(n,m)、D(n,m)Four crossings every time only pass through a crossing, four crossings successively lead to
Row, current period and passage are defined as T total time(n,m)=TA(n,m)+TB(n,m)+TC(n,m)+TD(n,m), wherein TA(n,m)……TD(n,m)
Respectively each crossing transit time；Tm L(n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)The collaboration that crossing distance needs
Time, vm (n,n+1)Pass through the street m A for vehicle(n,m)With A(n+1,m)The collaboration speed that crossing distance needs；
It is described it is " multidirectional " be above-mentioned each crossing at execution " single-pass ", each runway turns left, keeps straight on, turning right, it is more to reverse end for end
A direction is all current；
Step 3, it cooperates with
As A(n,m)Crossing is the green light current moment in the t time, then according to collaboration running speed vm (n,n+1)And A(n,m)With A(n+1,m)
Crossing distance Lm (n,n+1)T is calculatedm L(n,n+1)=Lm (n,n+1)/vm (n,n+1),A(n+1,m)Crossing green light is in tn+1=t+Tm L(n,n+1)
Moment opens, the A(n+1,m)Crossing green light transit time and running time Tm L(n,n+1)At period and multiple proportion, it is based on the calculation
Method obtains A(n+1,m)Crossing is passed through moment, transit time, and so on, so that direction through vehicles exist from West to East in the street m
When urban road is current after encountering a red light or collaboration running speed, what is next encountered is green light；
C(n+1,m)With A(n,m)Crossing is current simultaneously, logical in urban road from east orientation west to through vehicles according to the above-mentioned then street m
When row after encountering a red light or collaboration running speed, what is next encountered is also green light；
Step 4, after each crossroad east-west direction in the street above-mentioned m current moment, transit time determine, according to n-th south of road north
Direction cooperates with running speed vn (m,m+1)It is each apart from the street m+1 is successively calculated with the street m+1 crossroad with the n-th road street m
A crossing current moment, transit time, and so on；
The collaboration traffic on all roads Jie He so can be realized, so that all through vehicles that urban road passes through are encountering one
After red light or collaboration running speed, what is next encountered is green light.
2. the multidirectional collaboration traffic method of a kind of single-pass according to claim 1, it is characterised in that: each crossroad
The current moment, transit time according to crossing distance with cooperate with running speed to be calculated after, by programming progress networking control, by
Traffic control center adjusts each crossing current moment, transit time according to wagon flow situation at any time, to improve traffic efficiency.
3. the multidirectional collaboration traffic method of a kind of single-pass according to claim 1, it is characterised in that: each crossroad exists
It is provided with non-motor vehicle left-hand rotation Accreditation Waiting Area before each non-motorized lane, forms route to avoid left-turn non-motor and motor vehicle
Intersect.
4. the multidirectional collaboration traffic method of a kind of single-pass according to claim 3, it is characterised in that: in each crossroad
Every runway is set as both keeping straight on or turning left or both can keep straight on or turn right, and waits red light vehicle row to shorten crossing
Team leader's degree.
5. the multidirectional collaboration traffic method of a kind of single-pass according to claim 1, it is characterised in that: when four crossway each in city
Mouth distance Ln (m-1,m)With Lm (n-1,n)It is different and unequal with n and m, when cannot achieve the collaboration traffic on all roads Jie He, institute
State each crossroad the passage moment, transit time setting with guarantee a direction driving it is unobstructed based on.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115083165A (en) * | 2022-06-29 | 2022-09-20 | 北京智城交建科技有限公司 | Traffic command control method, device and storage medium for smart city intersection |
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| CN102664916A (en) * | 2012-03-23 | 2012-09-12 | 清华大学 | Multi-mode wireless communication vehicle road cooperation data interaction system |
| CN108166342A (en) * | 2017-12-27 | 2018-06-15 | 蔡建国 | The vehicle shunting linking traffic system and control method of city road crossing |
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|---|---|---|---|---|
| US3958512A (en) * | 1970-12-11 | 1976-05-25 | Stankiewicz Jerzy G | Rapid transit system |
| CN102664916A (en) * | 2012-03-23 | 2012-09-12 | 清华大学 | Multi-mode wireless communication vehicle road cooperation data interaction system |
| CN108166342A (en) * | 2017-12-27 | 2018-06-15 | 蔡建国 | The vehicle shunting linking traffic system and control method of city road crossing |
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| CN115083165A (en) * | 2022-06-29 | 2022-09-20 | 北京智城交建科技有限公司 | Traffic command control method, device and storage medium for smart city intersection |
| CN115083165B (en) * | 2022-06-29 | 2023-11-28 | 北京智城交建科技有限公司 | Smart city intersection traffic command control method, device and storage medium |
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