CN108230702A - Online tramcar preference strategy control system and its method - Google Patents
Online tramcar preference strategy control system and its method Download PDFInfo
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- CN108230702A CN108230702A CN201611146681.8A CN201611146681A CN108230702A CN 108230702 A CN108230702 A CN 108230702A CN 201611146681 A CN201611146681 A CN 201611146681A CN 108230702 A CN108230702 A CN 108230702A
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- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
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Abstract
The present invention relates to a kind of online tramcar preference strategy control system and its methods,By determining tramcar departure time-table,Each station down time,The data such as tramcar travel speed,And according to the position of tramcar after dispatching a car,It is expected that the time at arrival crossing and vehicle pull in down time,The dynamic adjustment tramcar crossing phase difference to be passed through,And it reaches before crossing to semaphore into horizontal phasing control tramcar is estimated,Phase is adjusted into Mobile state in driving process,Tramcar detector is provided at crossing closing on,Respectively request detector,Confirm detector,Stop detector and clear detection device,Tramcar passes through request detector,And override requests signal is sent to semaphore,Semaphore forwards the request to control centre,Control centre judges whether to give tramcar preferential answering by the data that coupled flow collection module acquires,And feed back to semaphore,Semaphore carries out priority acccess control according to actual conditions.
Description
Technical field
The present invention relates to the traffic signalization field of municipal intelligent traffic more particularly to tramcar preference strategy controls
System, in particular to a kind of online tramcar preference strategy control system and its method.
Background technology
Tramcar project at home constantly rise build climax, due to tramcar many times with social vehicle
Mixed row, influence of the public vehicles to tramcar are also larger.Tramcar operation ability is between common public transport and subway
A kind of public transport, run in the city of congestion, it should suitably give prior-release, ensure the operation ability of tramcar
Obtain certain embodiment.
Invention content
In order to overcome above-mentioned the problems of the prior art, the present invention, which proposes a kind of online tramcar, to be arrived on schedule
Stand and do not interfere the online tramcar preference strategy control system and its method of public transport.
The online tramcar preference strategy control system and its method of the present invention is specific as follows：
The online tramcar preference strategy control system, is mainly characterized by, and the system is examined including tramcar
It surveys device and flow collection module, the tramcar detector is connected with semaphore, the flow collection module and one
Control centre is connected, and the semaphore is also connected with the control centre, wherein,
The tramcar detector is detecting tramcar and obtain its speed and position；
The flow collection module is obtaining the congestion at tested crossing；
The control centre to according to the tramcar detector and the flow collection module acquisition
Tramcar information carries out preference strategy control to the tramcar.
Preferably, the tramcar detector include be set to tested crossing request detector, confirm detector,
Stop detector and clear detection device, and the request detector, confirm the installation point of detector and the detector that stops according to
The tramcar drives into tested crossing and is set gradually, and its distance with tested crossing to the sequence before tested crossing is driven out to
Be matched with the speed of the tramcar, the clear detection device be set to the tramcar be driven out to behind tested crossing by
One empty a little.
More preferably, it is described to empty the length of wagon for being a little at least the tramcar with the distance at tested crossing.
Preferably, table at the time of the semaphore is stored with the tramcar, each station down time table and should
The phase-sequence meter of semaphore.
Preferably, the control centre includes an override requests comprehensive judgment module, the override requests comprehensive descision mould
Block is also associated with a tramcar information acquisition module and a tramcar data interaction module, and the override requests integrate
Judgment module also connects a crossing flow collection module by a crossing flow preprocessing module.
This realizes the method for preference strategy control according to system as described above, is mainly characterized by, the tramcar
Preferential answering grade include can preferentially, first priority and not preferentially, and the method includes the following steps：
(1) tramcar described in enters the detection range of the tramcar detector, tramcar hair
An override requests signal is sent to the semaphore；
(2) the override requests signal is transmitted to the control centre by the semaphore described in；
(3) the congestion shape that the control centre described in passes through the current tested crossing of acquisition and the crossing on the tested crossing periphery
Condition with reference to the override requests information of its reception, obtains the preferential answering grade of current tramcar, and by the preferential answering grade
It is sent to the semaphore；
(4) semaphore described in is according to the received preferential answering grade, with reference to gathering around for current tested crossing
Stifled situation obtains the possible strategy of presently described tramcar；
(5) semaphore described in is according to the possible strategy, current phase information and the letter of presently described tramcar
The phase-sequence meter of number machine judges the specific implementation strategy of presently described tramcar.
Preferably, the tramcar detector includes being set in turn in the request detector before tested crossing, confirm
Detector, parking detector and clear detection device, and the step (1) is specially：
The tramcar passes through the request detector, and sends an override requests signal to the signal
Machine, the override requests signal include the current delay grade of the tramcar.
Preferably, the step (3) is specially：
The control centre obtains currently tested crossing and the tested crossing week by the flow collection module
The congestion at the crossing on side, the override requests information with reference to described in it obtain the preferential answering grade of current tramcar, and
The preferential answering grade is sent to the semaphore, wherein, the preferential answering grade include can preferentially, it is absolute excellent
It is first and not preferential.
Preferably, the step (4) is specially：
The semaphore is according to the received preferential answering grade, with reference to the congestion shape at current tested crossing
Condition obtains the possible strategy of presently described tramcar, wherein, the congestion at possible strategy and its corresponding current tested crossing
Situation and the preferential answering grade are as follows：
Cur-rent congestion situation be normal and described current preference response grade for can be preferential when, the system can
Semaphore is controlled to carry out green light and extends operation, red light early disconnected operation and phase adjustment operations；
Cur-rent congestion situation be compared with congestion, and current preference response grade for can be preferential when, the system
Controllable semaphore carries out green light and extends the early disconnected operation of operation and red light；
Cur-rent congestion situation be congestion, and the current preference response grade for can be preferential when, the system can
Semaphore is controlled to carry out green light and extends operation；
When cur-rent congestion situation is that normal and described current preference responds grade as first priority, the system can
Control semaphore carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation be compared with congestion, and when current preference response grade is first priority, the system
Controllable semaphore carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation be congestion, and the current preference response grade be first priority when, the system can
Semaphore is controlled to carry out green light and extends the early disconnected operation of operation, red light；
Cur-rent congestion situation is for normal, congestion or compared with congestion, and when current preference response grade is not preferential,
The semaphore keeps current phase to work on by phase-sequence meter；
For cur-rent congestion situation to block, the semaphore keeps current phase to work on by phase-sequence meter.
Preferably, the step (5) is specially：
The semaphore is according to the possible strategy, current phase information and the semaphore of presently described tramcar
Phase-sequence meter, judge the specific implementation strategy of presently described tramcar, wherein, judge that current specific implementation strategy includes
Following steps：
(5.1) semaphore described in judges whether current phase is tramcar phase, if it is, continuing step
(5.2)；Otherwise continue step (5.5)；
(5.2) semaphore described in judges whether tramcar described under current phase can be tested crossing by this,
If it is then the semaphore keeps current phase to work on by phase-sequence meter, otherwise continue step (5.3)；
(5.3) whether the semaphore judgement present feasible strategy described in, which includes green light, extends operation, if including continuing
Step (5.3)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.4) semaphore described in, which extends the phase, enables the tramcar to be tested road by this in the phase
Mouthful, and continue the step (5.8)；
(5.5) semaphore described in judges whether next phase of current phase is tramcar phase, if it is, after
Continuous step (5.6)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.6) whether the semaphore judgement present feasible strategy described in includes red light early disconnected operation, if it is, described
Semaphore is according to the tramcar from the detection range of the tramcar detector is driven into the time at arrival crossing
This phase is adjusted accordingly, current phase is carried out early break lets pass to the tramcar, and continue the step
(5.8)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter, and continue step (5.7)；
(5.7) whether the semaphore judgement present feasible strategy described in includes phase adjustment operations, if it is, continuing to walk
Suddenly (5.7), otherwise the semaphore current phase is kept to work on by phase-sequence meter；
(5.8) whether the semaphore judgement present feasible strategy described in includes redirecting phase operation, if including the letter
Current phase can be kept to work on by phase-sequence meter for number machine until the current phase is completed, and jump to tramcar phase or
The semaphore determines whether to adjust accordingly current phase and next phase according to the override requests information, with
The phase is made to reach tramcar phase, and continues step (5.8)；Otherwise the semaphore preferentially please according to described
Information is asked to determine whether to adjust accordingly current phase and next phase, so that the phase reaches tramcar phase
Position, and continue step (5.8)；
(5.8) phase invariant that is adjusted of semaphore holding described in, until the tramcar is by described clear
Empty detector, the clear detection device send an empty signal to the semaphore, and the semaphore removes current preference plan
Specific implementation strategy under slightly controlling, and work on by phase-sequence meter, if the semaphore passes through institute from the tramcar
The request detector stated starts, and by a time threshold T, and receives the empty signal, then the semaphore enters
Timeout treatment, the timeout treatment remove the specific implementation strategy under current preference policy control for the semaphore, and
It works on by phase-sequence meter.
Using the online tramcar preference strategy control system and its method, due to the use of tramcar detector to having
State of the rail electric car near semaphore is detected, and preferential with the tramcar described in the tramcar detector acquisition
Request, the system analyzes the possible strategy of the tramcar by control centre, with reference to prolonging for the tramcar
Accidentally situation, the congestion at current crossing, the preferential answering grade of the tramcar and current phase information and phase-sequence meter,
Its specific implementation strategy is analyzed current tramcar, makes tramcar in the situation for reducing the influence to public transport as far as possible
Under, realize arriving at a station on schedule for the tramcar.Compared with general tramcar priority acccess control strategy, effect of the invention is that
Ensure to have taken into account while tramcar arrives at a station on schedule in the passage situations of public vehicles, tramcar section operational process, carry
It is preceding that dynamic phasing adjustment is carried out to semaphore, ensure that tramcar can pass through, first priority and relatively excellent in normal direction phase
It is first combined, ensures tramcar priority pass process, public vehicles are influenced minimum and considering the preferential feelings of tramcar
Under condition, while consider that tramcar passes through wagon flow states in crossing multiple near crossing, its preferential answering grade of comprehensive descision.
Description of the drawings
Fig. 1 is the intersection information interaction figure of the online tramcar preference strategy control system of the present invention.
Fig. 2 is the system framework figure of the online tramcar preference strategy control system of the present invention.
Fig. 3 is the frame diagram of the control centre of the online tramcar preference strategy control system of the present invention.
Fig. 4 is the override requests of the online tramcar preference strategy control system of the present invention in a specific embodiment
Process chart.
Specific embodiment
The present invention will be described in order to better illustrate, enumerate below some embodiments to carry out the present invention it is further
Explanation.
Referring to Fig. 2, the online tramcar preference strategy control system, is mainly characterized by, the system includes
Tramcar detector and flow collection module, the tramcar detector are connected with semaphore, and the flow is adopted
Collection module is connected with a control centre, and the semaphore is also connected with the control centre, wherein,
The tramcar detector is detecting tramcar and obtain its speed and position；
The flow collection module is obtaining the congestion at tested crossing；
The control centre to according to the tramcar detector and the flow collection module acquisition
Tramcar information carries out preference strategy control to the tramcar.
The tramcar detector includes being set to the request detector at tested crossing, confirms detector, parking inspection
Device and clear detection device are surveyed, and the installation point of the request detector, confirmation detector and the detector that stops is according to described
Tramcar drives into tested crossing and is set gradually, and its distance with tested crossing is matched with to the sequence before tested crossing is driven out to
The speed of the tramcar, the clear detection device be set to the tramcar be driven out to behind tested crossing by it is one clear
Null point.
Described empties the length of wagon for being a little at least the tramcar with the distance at tested crossing.
Table, respectively station down time table and the semaphore at the time of semaphore is stored with the tramcar
Phase-sequence meter.
Referring to Fig. 3, the control centre includes an override requests comprehensive judgment module, the override requests comprehensive descision
Module is also associated with a tramcar information acquisition module and a tramcar data interaction module, and the override requests are comprehensive
It closes judgment module and a crossing flow collection module is also connected by a crossing flow preprocessing module.
Referring to Fig. 1, the method that preference strategy control is realized according to system as described above, is mainly characterized by, it should
The preferential answering grade of tramcar include can preferentially, first priority and not preferential, and the method includes following step
Suddenly：
(1) tramcar described in enters the detection range of the tramcar detector, tramcar hair
An override requests signal is sent to the semaphore；
(2) the override requests signal is transmitted to the control centre by the semaphore described in；
(3) the congestion shape that the control centre described in passes through the current tested crossing of acquisition and the crossing on the tested crossing periphery
Condition with reference to the override requests information of its reception, obtains the preferential answering grade of current tramcar, and by the preferential answering grade
It is sent to the semaphore；
(4) semaphore described in is according to the received preferential answering grade, with reference to gathering around for current tested crossing
Stifled situation obtains the possible strategy of presently described tramcar；
(5) semaphore described in is according to the possible strategy, current phase information and the letter of presently described tramcar
The phase-sequence meter of number machine judges the specific implementation strategy of presently described tramcar.
The tramcar detector include being set in turn in the request detector before tested crossing, confirm detector,
Stop detector and clear detection device, and the step (1) is specially：
The tramcar passes through the request detector, and sends an override requests signal to the signal
Machine, the override requests signal include the current delay grade of the tramcar.
The step (3) is specially：
The control centre obtains currently tested crossing and the tested crossing week by the flow collection module
The congestion at the crossing on side, the override requests information with reference to described in it obtain the preferential answering grade of current tramcar, and
The preferential answering grade is sent to the semaphore, wherein, the preferential answering grade include can preferentially, it is absolute excellent
It is first and not preferential.
The step (4) is specially：
The semaphore is according to the received preferential answering grade, with reference to the congestion shape at current tested crossing
Condition obtains the possible strategy of presently described tramcar, wherein, the congestion at possible strategy and its corresponding current tested crossing
Situation and the preferential answering grade are as follows：
Cur-rent congestion situation be normal and described current preference response grade for can be preferential when, the system can
Semaphore is controlled to carry out green light and extends operation, red light early disconnected operation and phase adjustment operations；
Cur-rent congestion situation be compared with congestion, and current preference response grade for can be preferential when, the system
Controllable semaphore carries out green light and extends the early disconnected operation of operation and red light；
Cur-rent congestion situation be congestion, and the current preference response grade for can be preferential when, the system can
Semaphore is controlled to carry out green light and extends operation；
When cur-rent congestion situation is that normal and described current preference responds grade as first priority, the system can
Control semaphore carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation be compared with congestion, and when current preference response grade is first priority, the system
Controllable semaphore carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation be congestion, and the current preference response grade be first priority when, the system can
Semaphore is controlled to carry out green light and extends the early disconnected operation of operation, red light；
Cur-rent congestion situation is for normal, congestion or compared with congestion, and when current preference response grade is not preferential,
The semaphore keeps current phase to work on by phase-sequence meter；
For cur-rent congestion situation to block, the semaphore keeps current phase to work on by phase-sequence meter.
The step (5) is specially：
The semaphore is according to the possible strategy, current phase information and the semaphore of presently described tramcar
Phase-sequence meter, judge the specific implementation strategy of presently described tramcar, wherein, judge that current specific implementation strategy includes
Following steps：
(5.1) semaphore described in judges whether current phase is tramcar phase, if it is, continuing step
(5.2)；Otherwise continue step (5.5)；
(5.2) semaphore described in judges whether tramcar described under current phase can be tested crossing by this,
If it is then the semaphore keeps current phase to work on by phase-sequence meter, otherwise continue step (5.3)；
(5.3) whether the semaphore judgement present feasible strategy described in, which includes green light, extends operation, if including continuing
Step (5.3)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.4) semaphore described in, which extends the phase, enables the tramcar to be tested road by this in the phase
Mouthful, and continue the step (5.8)；
(5.5) semaphore described in judges whether next phase of current phase is tramcar phase, if it is, after
Continuous step (5.6)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.6) whether the semaphore judgement present feasible strategy described in includes red light early disconnected operation, if it is, described
Semaphore is according to the tramcar from the detection range of the tramcar detector is driven into the time at arrival crossing
This phase is adjusted accordingly, current phase is carried out early break lets pass to the tramcar, and continue the step
(5.8)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter, and continue step (5.7)；
(5.7) whether the semaphore judgement present feasible strategy described in includes phase adjustment operations, if it is, continuing to walk
Suddenly (5.7), otherwise the semaphore current phase is kept to work on by phase-sequence meter；
(5.8) whether the semaphore judgement present feasible strategy described in includes redirecting phase operation, if including the letter
Current phase can be kept to work on by phase-sequence meter for number machine until the current phase is completed, and jump to tramcar phase or
The semaphore determines whether to adjust accordingly current phase and next phase according to the override requests information, with
The phase is made to reach tramcar phase, and continues step (5.8)；Otherwise the semaphore preferentially please according to described
Information is asked to determine whether to adjust accordingly current phase and next phase, so that the phase reaches tramcar phase
Position, and continue step (5.8)；
(5.8) phase invariant that is adjusted of semaphore holding described in, until the tramcar is by described clear
Empty detector, the clear detection device send an empty signal to the semaphore, and the semaphore removes current preference plan
Specific implementation strategy under slightly controlling, and work on by phase-sequence meter, if the semaphore passes through institute from the tramcar
The request detector stated starts, and by a time threshold T, and receives the empty signal, then the semaphore enters
Timeout treatment, the timeout treatment remove the specific implementation strategy under current preference policy control for the semaphore, and
It works on by phase-sequence meter.
In a specific embodiment, if tramcar is on major trunk roads or the main line for needing green wave, first really
Determine tramcar departure time-table, each station down time, tramcar travel speed, it is green to prepare the departure interval according to data above
Wave scheme.
After dispatching a car, pulled in down time according to tramcar position, estimated arrival crossing time and vehicle, dynamic adjustment has
The rail electric car crossing phase difference to be passed through.
To semaphore into horizontal phasing control in 2~3 periods before the estimated arrival crossing of tramcar, and in rail
It is adjusted into Mobile state during electric car form, while in view of pulling in the factors such as down time with the presence or absence of tramcar.
Tramcar close on crossing set 4 tramcar detectors, respectively request detector, confirm detector,
Stop detector and clear detection device.
In 70km/h or so, the request detector is laid in tramcar and enters intersection side tramcar speed
At before stop line 250 meters；Confirm that Loop detector layout enters intersection direction 90 meters before stop line in tramcar
Place；Parking Loop detector layout enters intersection direction at before stop line 3 meters in tramcar；Clear detection device has been laid in
Rail electric car is driven out to length of the intersection direction apart from an intersection at least row tramcar.More than request detector confirms detection
The specific distance at device, parking detector and clear detection device and crossing can be also adjusted according to actual needs.
In a specific embodiment, the method for the online tramcar preference strategy control system includes the following steps：
(1) after tramcar enters request detector, which sends override requests signal to semaphore；
(2) the override requests signal that tramcar is sent out is transmitted to centring system by semaphore；
(3) whether the data that control centre is acquired by the flow collection module of junction perimeter, comprehensive descision give rail
Electric car preferential answering, feeds back to semaphore.
(4) semaphore according to control centre give whether give preferential and its tramcar be delayed in itself grade carry out it is comprehensive
Close the possible strategy judged under present case；
(5) semaphore obtains current specific implementation strategy according to present feasible strategy, current phase information and phase-sequence meter.
Referring to Fig. 4, in a kind of specific embodiment, include green light in the possible strategy of current tramcar and extend behaviour
Make, red light early disconnected operation, phase adjustment operations and when redirecting phase operation, which obtains according to phase information and phase-sequence meter
Current specific implementation strategy is as follows：
(5.1) semaphore described in judges whether current phase is that tramcar phase (is considered to have done green wave feelings in advance
Under condition, it is more likely that currently phase or next phase are exactly the preferential phase of tramcar), if it is, continuing step
(5.2)；Otherwise continue step (5.3)；
(5.2) semaphore described in judges under current control mode that can tramcar pass through crossing, if can
Then to be run by former scheme；If not all right, if can if extend this phase duration, it is not all right to be carried out by former scheme.
(5.3) semaphore described in judges whether next phase is tramcar phase, if so, and being not present on the road
Barrier then can adjust current phase according to the tramcar estimated time for reaching crossing, terminate current phase ahead of time and let pass, such as
Fruit is no, then enters step (5.4).
(5.4) semaphore described in is delayed grade according to tramcar, centring system permits Rule of judgment and whether there is
The conditions comprehensive descision such as barrier, if time permission can shorten respective phase, tramcar phase needed for arrival；Or terminate
Tramcar phase directional is jumped to after current phase.
In a kind of specific embodiment, the adjustment of tramcar phase, which has to reach in tramcar, confirms detector
Before, otherwise tramcar carries out brake deceleration operation, until giving clearance or parking.
After being adjusted in place, keep the phase invariant after adjustment, until tramcar reaches clear detection device, restore from master control
System.
If being adjusted in place rear tramcar never enters clear detection device, time-out is waited for, restores autonomous after time-out
Control.
If adjustment, the result is that not preferential, tramcar is also let pass during next clearance.
Using the online tramcar preference strategy control system and its method, due to the use of tramcar detector to having
State of the rail electric car near semaphore is detected, and preferential with the tramcar described in the tramcar detector acquisition
Request, the system analyzes the possible strategy of the tramcar by control centre, with reference to prolonging for the tramcar
Accidentally situation, the congestion at current crossing, the preferential answering grade of the tramcar and current phase information and phase-sequence meter,
Its specific implementation strategy is analyzed current tramcar, makes tramcar in the situation for reducing the influence to public transport as far as possible
Under, realize arriving at a station on schedule for the tramcar.Compared with general tramcar priority acccess control strategy, effect of the invention is that
Ensure to have taken into account while tramcar arrives at a station on schedule in the passage situations of public vehicles, tramcar section operational process, carry
It is preceding that dynamic phasing adjustment is carried out to semaphore, ensure that tramcar can pass through, first priority and relatively excellent in normal direction phase
It is first combined, ensures tramcar priority pass process, public vehicles are influenced minimum and considering the preferential feelings of tramcar
Under condition, while consider that tramcar passes through wagon flow states in crossing multiple near crossing, its preferential answering grade of comprehensive descision.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that it can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (10)
1. a kind of online tramcar preference strategy control system, which is characterized in that the system includes rail tram detection
Device and flow collection module, the tramcar detector are connected with semaphore, the flow collection module and a control
Center processed is connected, and the semaphore is also connected with the control centre, wherein,
The tramcar detector is detecting tramcar and obtain its speed and position；
The flow collection module is obtaining the congestion at tested crossing；
The control centre is to the rail according to the tramcar detector and flow collection module acquisition
Electric car information carries out preference strategy control to the tramcar.
2. online tramcar preference strategy control system according to claim 1, which is characterized in that the rail electricity
Vehicle detector includes being set to the request detector at tested crossing, confirms detector, parking detector and clear detection device, and institute
The installation point of request detector, confirmation detector and the detector that stops stated is driven into tested crossing according to the tramcar and is arrived
It is driven out to the sequence before tested crossing to set gradually, and its distance with tested crossing is matched with the speed of the tramcar, it is described
Clear detection device be set to the tramcar be driven out to behind tested crossing by one empty a little.
3. online tramcar preference strategy control system according to claim 2, which is characterized in that described empties a little
It is at least the length of wagon of the tramcar with the distance at tested crossing.
4. online tramcar preference strategy control system according to claim 1, which is characterized in that the semaphore
The phase-sequence meter of table, each station down time table and semaphore at the time of being stored with the tramcar.
5. online tramcar preference strategy control system according to claim 1, which is characterized in that in the control
Pericardium includes an override requests comprehensive judgment module, the override requests comprehensive judgment module is also associated with a tramcar information collection
Module and a tramcar data interaction module, and the override requests comprehensive judgment module is also located in advance by a crossing flow
It manages module and connects a crossing flow collection module.
6. the method that the system described in a kind of any one of claim 1 to 5 realizes preference strategy control, which is characterized in that institute
The tramcar detector stated includes request detector, confirms detector, parking detector and clear detection device, and it is described please
Ask detector, confirm detector and stop detector installation point according to the tramcar drive into tested crossing to be driven out to by
The sequence surveyed before crossing is set gradually, and its distance with tested crossing is matched with the speed of the tramcar, and described empties
Detector be set to the tramcar be driven out to behind tested crossing by one empty a little, preferential answering of the tramcar etc.
Grade include can preferentially, first priority and not preferentially, and the method includes the following steps：
(1) tramcar described in enters the detection range of the tramcar detector, and the tramcar sends one
Override requests signal gives the semaphore；
(2) the override requests signal is transmitted to the control centre by the semaphore described in；
(3) control centre described in is currently tested the congestion at crossing and the crossing on the tested crossing periphery by acquisition,
With reference to the override requests information of its reception, the preferential answering grade of current tramcar is obtained, and the preferential answering grade is sent out
Give the semaphore；
(4) semaphore described in is according to the received preferential answering grade, with reference to the congestion shape at current tested crossing
Condition obtains the possible strategy of presently described tramcar；
(5) semaphore described in is according to the possible strategy, current phase information and the semaphore of presently described tramcar
Phase-sequence meter, judge the specific implementation strategy of presently described tramcar.
7. the method according to claim 6 for realizing preference strategy control, which is characterized in that the tramcar detection
Device includes being set in turn in request detector, confirmation detector, parking detector and the clear detection device before tested crossing, and institute
The step of stating (1) is specially：
The tramcar passes through the request detector, and sends an override requests signal to the semaphore, should
Override requests signal includes the current delay grade of the tramcar.
8. the method according to claim 6 for realizing preference strategy control, which is characterized in that the step (3) is specific
For：
The control centre obtains current tested crossing by the flow collection module and this is tested crossing periphery
The congestion at crossing, the override requests information with reference to described in it obtain the preferential answering grade of current tramcar, and should
Preferential answering grade is sent to the semaphore, wherein, the preferential answering grade include can preferentially, first priority and
It is not preferential.
9. the method according to claim 6 for realizing preference strategy control, which is characterized in that the step (4) is specific
For：
The semaphore is obtained according to the received preferential answering grade with reference to the congestion at current tested crossing
The possible strategy of presently described tramcar is taken, wherein, the congestion at possible strategy and its corresponding current tested crossing
It is as follows with the preferential answering grade：
Cur-rent congestion situation be normal and described current preference response grade for can be preferential when, the system can control
Semaphore carries out green light and extends operation, red light early disconnected operation and phase adjustment operations；
Cur-rent congestion situation be compared with congestion, and current preference response grade for can be preferential when, the system is controllable
Semaphore processed carries out green light and extends the early disconnected operation of operation and red light；
Cur-rent congestion situation be congestion, and the current preference response grade for can be preferential when, the system can control
Semaphore carries out green light and extends operation；
When cur-rent congestion situation is that normal and described current preference responds grade as first priority, the system can control
Semaphore carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation is compared with congestion, and when current preference response grade is first priority, the system is controllable
Semaphore processed carries out green light and extends operation, the disconnected operation of red light morning, phase adjustment operations and redirect phase operation；
Cur-rent congestion situation be congestion, and the current preference response grade be first priority when, the system can control
Semaphore carries out green light and extends the early disconnected operation of operation, red light；
Cur-rent congestion situation is for normal, congestion or compared with congestion, described and when current preference response grade is not preferential
Semaphore current phase is kept to work on by phase-sequence meter；
For cur-rent congestion situation to block, the semaphore keeps current phase to work on by phase-sequence meter.
10. the method according to claim 6 for realizing preference strategy control, which is characterized in that the step (5) is specific
For：
The semaphore is according to the phase of the possible strategy of presently described tramcar, current phase information and the semaphore
Sequence table judges the specific implementation strategy of presently described tramcar, wherein, it is following to judge that current specific implementation strategy includes
Step：
(5.1) semaphore described in judges whether current phase is tramcar phase, if it is, continuing step (5.2)；It is no
Then continue step (5.5)；
(5.2) semaphore described in judges whether tramcar described under current phase can be tested crossing by this, if
It can be with then the semaphore keeps current phase to work on by phase-sequence meter, otherwise continues step (5.3)；
(5.3) whether the semaphore judgement present feasible strategy described in, which includes green light, extends operation, if including continuing step
(5.3)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.4) semaphore described in, which extends the phase, enables the tramcar to be tested crossing by this in the phase,
And continue the step (5.8)；
(5.5) semaphore described in judges whether next phase of current phase is tramcar phase, if it is, continuing to walk
Suddenly (5.6)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.6) whether the semaphore judgement present feasible strategy described in includes red light early disconnected operation, if it is, the signal
Machine is according to the tramcar from the detection range of the tramcar detector is driven into reaching the time at crossing to this
Phase adjusts accordingly, and current phase is carried out early break lets pass to the tramcar, and continue the step
(5.8)；Otherwise the semaphore keeps current phase to work on by phase-sequence meter, and continue step (5.7)；
(5.7) whether the semaphore judgement present feasible strategy described in includes phase adjustment operations, if it is, continuing step
(5.7), otherwise the semaphore keeps current phase to work on by phase-sequence meter；
(5.8) whether the semaphore judgement present feasible strategy described in includes redirecting phase operation, if including the semaphore
Current phase can be kept to work on by phase-sequence meter until the current phase is completed, and jump to tramcar phase or described
Semaphore determine whether to adjust accordingly current phase and next phase according to the override requests information so that institute
The phase stated reaches tramcar phase, and continues step (5.8)；Otherwise the semaphore is believed according to the override requests
Breath determines whether to adjust accordingly current phase and next phase, so that the phase reaches tramcar phase, and
Continue step (5.8)；
(5.8) phase invariant that the semaphore holding described in is adjusted, until the tramcar empties inspection by described
Device is surveyed, the clear detection device sends an empty signal to the semaphore, and the semaphore removes current preference strategy control
The lower specific implementation strategy of system, and working on by phase-sequence meter, if the semaphore pass through from the tramcar it is described
Request detector starts, and by a time threshold T, and receives the empty signal, then the semaphore enters time-out
Processing, the timeout treatment remove the specific implementation strategy under current preference policy control for the semaphore, and by phase
Sequence table works on.
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