CN104064042B - Intelligent traffic management method and intelligent traffic management system supporting emergency rescue - Google Patents
Intelligent traffic management method and intelligent traffic management system supporting emergency rescue Download PDFInfo
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- CN104064042B CN104064042B CN201410311779.9A CN201410311779A CN104064042B CN 104064042 B CN104064042 B CN 104064042B CN 201410311779 A CN201410311779 A CN 201410311779A CN 104064042 B CN104064042 B CN 104064042B
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Abstract
The present invention provides an intelligent traffic management method and an intelligent traffic management system supporting emergency rescue. The method comprises the steps of receiving an emergency rescue request by a traffic management center, planning an emergency rescue route according to the emergency rescue request, sending the emergency rescue route to an intelligent terminal of a rescue vehicle nearby a rescue site, and sending the information of the rescue vehicle to an industrial control computer along the emergency rescue route. When detecting that the rescue vehicle enters the control range of the industrial control computer, the industrial control computer real-timely tracks the position of the rescue vehicle, determines the traffic light crossing to which the rescue vehicle belongs according to the position of the rescue vehicle, and controls the working conditions of the traffic lights in the directions of the traffic light crossing, so that the rescue vehicle can pass the traffic light crossing preferentially, and the rescue vehicle can arrive the rescue site timely, and the rescue efficiency is improved.
Description
Technical field
The present invention relates to technical field of intelligent traffic, more particularly, to a kind of intelligent traffic administration system method supporting emergency relief
And system.
Background technology
When there is major accident, can breakdown lorry quickly reach the scene of the accident, and from the scene of the accident, the wounded are rapid
Transport rescue center (usually hospital) back, significant impact can be caused to rescue effect.But, the traffic congestion situation in current city
Increasingly severe, many times, breakdown lorry, in rescue operations, locks into the factors such as traffic congestion, traffic lights, and shadow
Ring it and reached the time of the scene of the accident or rescue center it is therefore necessary to be directed to breakdown lorry, the magnitude of traffic flow has been controlled,
With ensure its can quickly arrive at the scene of the accident or return rescue center.
Content of the invention
In view of this, the invention provides a kind of intelligent traffic administration system method and system supporting emergency relief, by right
Traffic lights control, and alleviate the traffic congestion situation on rescue route, so that breakdown lorry is arrived at quickly through traffic lights,
Thus improving rescue efficiency.
The invention provides a kind of intelligent traffic administration system method supporting emergency relief, methods described includes:
Traffic control center receives emergency relief request, and asks planning emergency relief route according to described emergency relief,
And send described emergency relief route to the intelligent terminal of the breakdown lorry nearby with rescue site, and by described breakdown lorry
Information send to described emergency relief route industrial computer along the line；
When described industrial computer detects breakdown lorry and enters in its control range, the position of breakdown lorry described in real-time tracing
Put, and the traffic light intersection according to belonging to the position of described breakdown lorry determines described breakdown lorry, and control this traffic lights road
The working condition of the traffic lights in mouth all directions, makes described breakdown lorry preferentially pass through this traffic light intersection.
Further, industrial computer, when breakdown lorry goes in rescue way, feeds back breakdown lorry to traffic control center in real time
The traffic conditions of place road and the information of breakdown lorry, by intelligent terminal to friendship after breakdown lorry reaches rescue site
Logical administrative center feedback reaches confirmation, after the completion of rescue, sends return route from intelligent terminal to traffic control center
Planning request, traffic control center plans return route again, and when planning described emergency relief route, optimum according to path
Principle is planned, or the mode of the jam situation with reference to each section is planned according to path principle of optimality.
Further, the information of described breakdown lorry includes: is deposited in the RFID tag being pasted on described breakdown lorry
The identity of storage.
Further, when controlling the working condition of traffic lights, the transport information according to this traffic light intersection and red green with this
The traffic coordinating information of the adjacent traffic light intersection in lamp crossing is controlled, and described transport information is used for reflecting this traffic light intersection
Traffic congestion situation in each travel direction, described traffic coordinating information is used for indicating this adjacent traffic light intersection currently to friendship
The control situation of logical congestion.
Further, described transport information includes following at least one or combination: vehicle heading, average speed and road
Plot ratio, described road plot ratio is on the road that vehicle travels in the same direction between two adjacent traffic lights, currently
The road of the vehicle accommodating contributes total road that total value is arranged with this track to offer the ratio of value.
Further, according to transport information and traffic coordinating information, when congestion occurring on breakdown lorry direct of travel, then control
During the green light on breakdown lorry direct of travel for the traffic light intersection in current traffic light intersection that breakdown lorry is located and front
Between increase, and control the red time of the non-breakdown lorry direct of travel of traffic light intersection in current traffic light intersection and front
Increase, when breakdown lorry is after current traffic light intersection, traffic lights lighting time is returned to former setting time.
Further, after extending the traffic lights lighting time of the traffic light intersection on breakdown lorry direct of travel, vehicle
The average speed travelling is still too slow, then transport information is fed back to traffic control center by industrial computer, and traffic control center weight
New planning circuit is simultaneously sent to the intelligent terminal of breakdown lorry, and breakdown lorry receives red nearby again after the rescue path of new planning
Green light crossing changes direct of travel, and meanwhile, new route is sent to industrial computer along the line and controls new route by traffic control center
Traffic, the traffic control of original route returns to original state.
Correspondingly, the invention provides a kind of Intelligent traffic management systems supporting emergency relief, comprising:
Traffic control center is for receiving emergency relief request and optimum according to path according to described emergency relief request
Principle is planned, or the mode of the jam situation with reference to each section plans emergency relief route according to path principle of optimality, and will
Described emergency relief route sends to breakdown lorry, and by the identity mark being stored in the RFID tag of described breakdown lorry
Knowledge information sends to described emergency relief route industrial computer along the line；
Described industrial computer, is used for breakdown lorry is detected when entering in its control range, breakdown lorry described in real-time tracing
Position, and the traffic light intersection according to belonging to the position of described breakdown lorry determines described breakdown lorry, by traffic lights control
Instruction is sent to traffic lights control subsystem；
Described traffic lights control subsystem, for according to traffic lights control instruction, controlling in this traffic light intersection all directions
Traffic lights working condition, make described breakdown lorry preferentially pass through this traffic light intersection；
Intelligent terminal, is arranged at breakdown lorry, for carrying out information exchange with traffic control center；
RFID tag, is arranged at vehicle, and record has unique identity corresponding with vehicle；
Frequency read/write, for the identity of reading rfid tags, and is sent to industrial computer.
Further, described industrial computer, for when controlling the working condition of traffic lights, according to the traffic of this traffic light intersection
The traffic coordinating information of information and the traffic light intersection adjacent with this traffic light intersection is controlled, and described transport information is used for anti-
Reflect the traffic congestion situation in each travel direction of this traffic light intersection, described traffic coordinating information is used for indicating that this is adjacent red green
The lamp crossing currently control situation to traffic congestion.
Further, described transport information includes following at least one or combination: vehicle heading, average speed and road
Plot ratio, described road plot ratio is on the road that vehicle travels in the same direction between two adjacent traffic lights, currently
The road of the vehicle accommodating contributes total road that total value is arranged with this track to offer the ratio of value.
Beneficial effects of the present invention:
The present invention is planned for breakdown lorry by traffic control center and rescues route and the information of breakdown lorry is handed down to
Industrial computer on rescue route, when such industrial computer to breakdown lorry is carried out in its control range, can control red accordingly
Green light makes breakdown lorry preferentially pass through, so that breakdown lorry can arrive at quickly through traffic lights, thus improving rescue
Efficiency.
Brief description
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the principle schematic of the present invention.
Fig. 2 is the road control schematic diagram of the present invention.
Fig. 3 is the theory diagram of the management system of the present invention.
Specific embodiment
As shown in figure 1, a kind of enforcement of intelligent traffic administration system method supporting emergency relief provided in an embodiment of the present invention
The schematic flow sheet of example, comprising:
Step s11, traffic control center receive emergency relief request, and ask planning emergency relief road according to emergency relief
Line.
Emergency relief route is sent to the intelligent terminal of breakdown lorry by step s12, traffic control center, and by relief car
Information send to emergency relief route industrial computer along the line, wherein, can be in communication with each other between each industrial computer along the line.
When step s13, industrial computer detect breakdown lorry and enter in its control range, the position of real-time tracing breakdown lorry
Put.
Step s14, the industrial computer traffic light intersection according to belonging to the position of breakdown lorry determines described breakdown lorry, and control
Make the working condition of the traffic lights in this traffic light intersection all directions.
The present embodiment, for breakdown lorry, traffic control center plans that the rescue route information of breakdown lorry is handed down to is rescued
Help the industrial computer on route, such industrial computer, when breakdown lorry enters in its control range, can control corresponding traffic lights
Breakdown lorry is made preferentially to pass through, so that breakdown lorry can reach rescue site quickly through traffic lights, thus improving rescue effect
Rate；.
In Fig. 1 embodiment, when planning emergency relief route, according to the planning of path principle of optimality, or according to path
The mode of the jam situation with reference to each section for the principle of optimality is planned；Industrial computer breakdown lorry go to rescue way in when, in real time to
Traffic control center feeds back the traffic conditions of breakdown lorry place road and the information of breakdown lorry, rescues when breakdown lorry reaches
Help to feed back to traffic control center by intelligent terminal behind scene and reach confirmation, after the completion of rescue, from intelligent terminal to
Traffic control center sends return route planning request, and traffic control center is again planned return route, be ensure that and rescued
Person can reach rescue center (as hospital etc.) in time and preferably be processed.
In Fig. 1 embodiment, the information of breakdown lorry includes: is stored in the RFID tag being pasted on breakdown lorry
Identity.
In Fig. 1 embodiment, control traffic lights working condition when, the transport information according to this traffic light intersection and with
The traffic coordinating information of the adjacent traffic light intersection of this traffic light intersection is controlled, and described transport information is used for reflecting that this is red green
Traffic congestion situation in each travel direction in lamp crossing, described traffic coordinating information is used for indicating that this adjacent traffic light intersection is worked as
The front control situation to traffic congestion.
Wherein, transport information includes following at least one or combination: vehicle heading, average speed and road volume
Rate, described road plot ratio is on the road that vehicle travels in the same direction between two adjacent traffic lights, current receiving
The road of vehicle contribute total road of total value and this track setting to offer the ratio of value.
In Fig. 1 embodiment, according to transport information and traffic coordinating information, when occurring gathering around on breakdown lorry direct of travel
Stifled, then the current traffic light intersection at control breakdown lorry place and the traffic light intersection in front are on breakdown lorry direct of travel
Green time increase, and control the non-breakdown lorry direct of travel of traffic light intersection in current traffic light intersection and front
Red time increases, to mitigate the traffic pressure of breakdown lorry direct of travel it is ensured that breakdown lorry passes through traffic light intersection,
Reach rescue site in time, when breakdown lorry is after current traffic light intersection, traffic lights lighting time is returned to former setting
Time.
In Fig. 1 embodiment, after extending the traffic lights lighting time of the traffic light intersection on breakdown lorry direct of travel,
The average speed of the traveling of vehicle is still too slow, and such as traffic accident in the front in breakdown lorry, controls red in any case
Transport information, all it cannot be guaranteed that breakdown lorry can reach rescue site in time, therefore, is fed back by green time by industrial computer
To traffic control center, and traffic control center is again planned circuit and is sent the intelligent terminal of breakdown lorry, breakdown lorry
Receive after the rescue path of new planning more nearby traffic light intersection change direct of travel, meanwhile, traffic control center is by new road
Footpath is sent to industrial computer along the line and controls the traffic of new route, and the traffic control of original route returns to original state.
Illustrate first below, the acquisition modes of transport information, in Fig. 1 embodiment, each car of intersection can led to
The edge in road arranges multiple frequency read/writes, using frequency read/write read in the vehicle tag installed on vehicle with vehicle phase
The information closed, for example: the information such as vehicle id (mark), type of vehicle, these information are all unique that is to say, that each car
Set by, and record time of reading simultaneously, so, the information of vehicles that read according to each frequency read/write and corresponding
Temporal information, can be calculated the information such as travel direction, average speed and the road plot ratio of vehicle；Lower mask body combines figure
2 explanations.
As shown in Fig. 2 in certain lane side along setting two frequency read/write a1 and a2, for reading information and the record of vehicle
The corresponding time, the time order and function order of the same vehicle so being read according to a1 and a2 is it can be determined that go out the traveling of vehicle
Direction, for example: read certain vehicle in t1 moment a1, also read this vehicle in t2 moment a2, and t1 early than t2, then illustrates to be somebody's turn to do
Vehicle is from a1 to a2 direction running.
As shown in Fig. 2 the time difference of the same vehicle that can be read according to a1 and a2, cover in conjunction with preset a1 and a2
The range difference of scope, calculates the average speed of this vehicle, then by the average speed of all directions identical vehicle, Ke Yiji
Calculate the average speed in this travel direction.For example: read, in t1 moment a1, the information reading vehicle a for the first time, in the t2 moment
A1 reads the information of vehicle a for the last time, in the information reading vehicle a at the beginning of t3 moment a2, last in t4 moment a2
Read the information of vehicle a, and to preset the coverage of the a1 and a2 beeline in track in system be s1, the longest
Distance is s2, then can be by formula:This vehicle can be calculated and pass through this traffic light intersection
Average speed.
Wherein, road plot ratio is on the road that vehicle travels in the same direction between two adjacent traffic lights, when
The ratio of the road contribution threshold that the road contribution margin sum of the vehicle of front receiving is arranged with this track.Herein, determine road
Plot ratio can consider vehicle, so more accurate, for example: when determining road plot ratio, reads this using rfid technology red green
The attribute information of the road vehicle that lamp crossing travels in the same direction, the type that this attribute information is used for distinguishing vehicle is (big
Type car, in-between car, compact car), then extract attribute information corresponding road contribution margin, vehicle and road contribution margin relation such as table
Shown in one, finally according to the road contribution margin extracting, calculate the road plot ratio on this road.
Table one
| Type of vehicle | Road contribution margin |
| Large car | 3 |
| In-between car | 2 |
| Compact car | 1 |
In above-mentioned, transport information is mainly used in differentiating the jam situation of this road.For example: determined according to road plot ratio
During the jam situation of road, specifically, set volume rate limit value pr1, pr2, wherein pr1 < pr2, then blocking the way road plot ratio pr < during pr1,
The jam situation of this road is unimpeded；As pr1 < pr, < during pr2, then the jam situation of this road is jogging；As pr > pr2 when, then
The jam situation of this road is congestion.
In addition, except the main foundation using road plot ratio as the jam situation differentiating road is it is also possible to take average
The other information such as speed are as the foundation of the jam situation differentiating road.Or mainly based on road plot ratio, with other letters
The mode being modified supplemented by breath.
For example: blocking the way road plot ratio pr < during pr1, tentatively judges that the jam situation of road is unimpeded, then analyzes this road
On average speed, if average speed v is less than first threshold, it is jogging that the jam situation of this road is lifted a grade,
If average speed v is more than first threshold, judge that the jam situation of this road is congestion.
Illustrate the judgment rule of congestion in road below by table two.In table two, v1 is first threshold, and v2 is the second threshold
Value, wherein v1 < v2, for different roads, v1 and v2 can differ, and this can rule of thumb set.
Table two
Specifically, the traffic coordinating information according to the position of breakdown lorry, transport information sum, controls this traffic light intersection each
During the working condition of the traffic lights on direction, its major control target is to allow breakdown lorry pass through this traffic light intersection as early as possible.Example
As: if the jam situation of present road is unimpeded, and the information of the traffic coordinating message reflection of front traffic light intersection goes out for it
Existing congestion, controls and has reached higher limit, then can reduce road from non-breakdown lorry travel direction and enter into breakdown lorry traveling
The green time (for example: 10s) of the road on direction, extends red time (for example: 10s), to mitigate the pressure of road ahead.
Again for example: if the jam situation of present road is congestion, and the information of upcoming traffic coordination information reflection is front traffic lights road
Mouth is unimpeded, and control pressure is less, then can extend the green time of present road, reduces red time, to mitigate this road
Pressure, improve front traffic light intersection traffic pressure.
Correspondingly, the invention provides a kind of Intelligent traffic management systems supporting emergency relief, comprising:
Traffic control center is for receiving emergency relief request and optimum according to path according to described emergency relief request
Principle is planned, or the mode of the jam situation with reference to each section plans emergency relief route according to path principle of optimality, and will
Described emergency relief route sends to breakdown lorry, and by the identity mark being stored in the RFID tag of described breakdown lorry
Knowledge information sends to described emergency relief route industrial computer along the line；
Described industrial computer, is used for breakdown lorry is detected when entering in its control range, breakdown lorry described in real-time tracing
Position, and the traffic light intersection according to belonging to the position of described breakdown lorry determines described breakdown lorry, by traffic lights control
Instruction is sent to traffic lights control subsystem；
Described traffic lights control subsystem, for according to traffic lights control instruction, controlling in this traffic light intersection all directions
Traffic lights working condition, make described breakdown lorry preferentially pass through this traffic light intersection；
Intelligent terminal, is arranged at breakdown lorry, for carrying out information exchange with traffic control center；
RFID tag, is arranged at vehicle, and record has unique identity corresponding with vehicle, such as vehicle archives
Number, certainly, in RF tag, also record has the general information of vehicle management, such as: province number, city number, bonded area vehicle mark
Will, character of use, type of vehicle, whether can go up at a high speed mark, ton/seat value, number plate species and passenger-cargo mark etc.；
Frequency read/write, for the identity of reading rfid tags, and is sent to industrial computer, industrial computer receives
After the information of frequency read/write output, the breakdown lorry information being sent with traffic control center is contrasted, and confirms the position of breakdown lorry
Put.
In the present embodiment, described industrial computer, for when controlling the working condition of traffic lights, according to this traffic light intersection
The traffic coordinating information of transport information and the traffic light intersection adjacent with this traffic light intersection is controlled, and described transport information is used
Traffic congestion situation in the reflection each travel direction of this traffic light intersection, described traffic coordinating information is used for indicating that this is adjacent
The traffic light intersection currently control situation to traffic congestion.
In the present embodiment, described transport information includes following at least one or combination: vehicle heading, average speed and
Road plot ratio, described road plot ratio is on the road that vehicle travels in the same direction between two adjacent traffic lights,
The road of the current vehicle accommodating contributes the ratio that total road that total value is arranged offers value with this track
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, the objective without deviating from technical solution of the present invention and scope, and it all should be covered at this
In the middle of the right of invention.
Claims (10)
1. a kind of intelligent traffic administration system method supporting emergency relief it is characterised in that: methods described includes:
Traffic control center receives emergency relief request, and asks planning emergency relief route according to described emergency relief, and will
Described emergency relief route sends to the intelligent terminal of the breakdown lorry nearby with rescue site, and the letter by described breakdown lorry
Breath sends to described emergency relief route industrial computer along the line；
When described industrial computer detects breakdown lorry and enters in its control range, the position of breakdown lorry described in real-time tracing, and
Traffic light intersection according to belonging to the position of described breakdown lorry determines described breakdown lorry, and control this traffic light intersection each side
The working condition of traffic lights upwards, makes described breakdown lorry preferentially pass through this traffic light intersection.
2. as claimed in claim 1 support emergency relief intelligent traffic administration system method it is characterised in that: industrial computer rescue
Traffic conditions and the relief car of breakdown lorry place road when vehicle goes in rescue way, is fed back in real time to traffic control center
Information, when breakdown lorry reach rescue site after by intelligent terminal to traffic control center feed back reach confirmation,
After the completion of rescue, return route planning request is sent to traffic control center from intelligent terminal, traffic control center is advised again
Draw return route, and when planning described emergency relief route, according to the planning of path principle of optimality or former according to path optimum
Then the mode with reference to the jam situation in each section is planned.
3. as claimed in claim 1 support emergency relief intelligent traffic administration system method it is characterised in that: described breakdown lorry
Information include: the unique identities mark corresponding with vehicle being stored in the RFID tag being pasted on described breakdown lorry
Know.
4. the support emergency relief as any one of claim 1-3 intelligent traffic administration system method it is characterised in that:
Control traffic lights working condition when, the transport information according to this traffic light intersection and the traffic lights adjacent with this traffic light intersection
The traffic coordinating information at crossing is controlled, and described transport information is used for reflecting the traffic in each travel direction of this traffic light intersection
Jam situation, described traffic coordinating information is used for indicating the control situation currently to traffic congestion for this adjacent traffic light intersection.
5. as claimed in claim 4 support emergency relief intelligent traffic administration system method it is characterised in that: described transport information
Including following at least one: vehicle heading, average speed and road plot ratio, described road plot ratio is adjacent two
On the road that between individual traffic lights, vehicle travels in the same direction, in the road contribution total value of the current vehicle accommodating and this road
The ratio of total road contribution margin of setting.
6. the intelligent traffic administration system method supporting emergency relief as claimed in claim 5 it is characterised in that: according to transport information and
Traffic coordinating information, when congestion on breakdown lorry direct of travel, then controls the current traffic light intersection that breakdown lorry is located
And green time on breakdown lorry direct of travel for the traffic light intersection in front increases, and control current traffic light intersection with
And the red time of the non-breakdown lorry direct of travel of the traffic light intersection in front increases, when breakdown lorry pass through current red green
Behind lamp crossing, traffic lights lighting time is returned to former setting time.
7. as claimed in claim 6 support emergency relief intelligent traffic administration system method it is characterised in that: when breakdown lorry advance
After the traffic lights lighting time of the traffic light intersection on direction extends, the average speed of the traveling of vehicle is still too slow, then industry control
Transport information is fed back to traffic control center by machine, and traffic control center is again planned circuit and sent the intelligence of breakdown lorry
Can terminal, breakdown lorry receive the rescue path of new planning after more nearby traffic light intersection change direct of travel, meanwhile, traffic
New route is sent to industrial computer along the line and controls the traffic of new route by administrative center, and the traffic control of original route returns to
Original state.
8. a kind of Intelligent traffic management systems supporting emergency relief it is characterised in that: include:
Traffic control center, for receiving emergency relief request, and asks according to path principle of optimality according to described emergency relief
Planning, or according to path principle of optimality, the mode of the jam situation with reference to each section plans emergency relief route, and will be described
Emergency relief route sends to breakdown lorry, and the identity being stored in the RFID tag of described breakdown lorry is believed
Breath sends to described emergency relief route industrial computer along the line；
Described industrial computer, is used for breakdown lorry is detected when entering in its control range, the position of breakdown lorry described in real-time tracing
Put, and the traffic light intersection according to belonging to the position of described breakdown lorry determines described breakdown lorry, by traffic lights control instruction
It is sent to traffic lights control subsystem；
Described traffic lights control subsystem, for according to traffic lights control instruction, controlling red in this traffic light intersection all directions
The working condition of green light, makes described breakdown lorry preferentially pass through this traffic light intersection；
Intelligent terminal, is arranged at breakdown lorry, for carrying out information exchange with traffic control center；
RFID tag, is arranged at vehicle, and record has unique identity corresponding with vehicle；
Frequency read/write, for the identity of reading rfid tags, and is sent to industrial computer.
9. as described in claim 8 support emergency relief Intelligent traffic management systems it is characterised in that: described industry control
Machine, for control traffic lights working condition when, the transport information according to this traffic light intersection and with this traffic light intersection phase
The traffic coordinating information of adjacent traffic light intersection is controlled, and described transport information is used for reflecting this traffic light intersection respectively side of traveling
Traffic congestion situation upwards, described traffic coordinating information is used for indicating this adjacent traffic light intersection currently to traffic congestion
Control situation.
10. the Intelligent traffic management systems supporting emergency relief as claimed in claim 9 it is characterised in that: described traffic letter
Breath include following at least one: vehicle heading, average speed and road plot ratio, described road plot ratio is adjacent
On the road that between two traffic lights, vehicle travels in the same direction, road contribution total value and this road of the current vehicle accommodating
The ratio of total road contribution margin of upper setting.
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