CN108305482A - A kind of safety-protection system alert processing half a year dynamic route planning system and method - Google Patents

A kind of safety-protection system alert processing half a year dynamic route planning system and method Download PDF

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CN108305482A
CN108305482A CN201711393554.2A CN201711393554A CN108305482A CN 108305482 A CN108305482 A CN 108305482A CN 201711393554 A CN201711393554 A CN 201711393554A CN 108305482 A CN108305482 A CN 108305482A
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不公告发明人
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Dongguan Equity Exchange Center
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3492—Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G06Q10/047—Optimisation of routes or paths, e.g. travelling salesman problem

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  • Automation & Control Theory (AREA)
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Abstract

The present invention is based on the big data model of each section congestion, and to specific section, method is：It determines the moment, road section length, preceding 180 days average overall travel speeds, the time, sorts, selects the 144th；144th is in c d points, the time required to the complete section of motor line.The previous 180 days traffic datas of digging utilization of the present invention estimate the transit time in each section according to six months previous traffic datas;Specific to particular moment, specific road section, in the case of extreme congestion, the responding time rate of accuracy reached in single section to 80%.

Description

A kind of safety-protection system alert processing half a year dynamic route planning system and method
Technical field
The present invention relates to the technical fields handled alert in safety-protection system, at a kind of safety-protection system alert Manage half a year dynamic route planning system and method.
Background technology
Currently, requirement of the people to alert emergency reaction speed is higher and higher, and city especially megapolis is as above Sea, the congestion of Pekinese inner city are extremely serious.Processing for alert, existing safety-protection system are some districts in city mostly Multiple security protection offices station is set in domain, when alert occurs, away from its nearest security protection work station response, alert is gone to be located in Set alert.And when the security protection of inner city office station is to alert spot, often half section is congestion, previous by pacifying Anti- office station is all quickly obtained by security personnel individual according to personal experience, to the pass of alert spot due to security protection The experience of personnel is different and judges that level of decision-making differs, thus the treatment effeciency of alert can by security personnel individual factor it is big Width influences.It occur frequently that the case where fire fighting truck gets lodged in road, and the responding time greatly improves several times or even dozens of times, gives the life of the common people Life property safety causes great hidden danger.
Although also there is the method and system of some roadings recently, all it is static programming or does not consider to gather around It is stifled, simply look up alert and point nearest security protection office station occur, then find out nearest security protection office station to alert point occurs between most This shortest path is set to final security protection vehicle traffic route by short path；Even if considering congestion, also simply drawn with congestion or not Branch condition, and congestion road conditions are simplified, provide unified vehicle pass-through speed.The road speed of different congestion road conditions is unexpectedly It is so identical, it is clear that it is not reasonable, it not can be good at excavating previous traffic data, in the metropolitan of traffic congestion normalization Urgently improve this processing alert mode in inner city.
Invention content
The object of the present invention is to provide a kind of safety-protection system alert processing half a year dynamic route planning system and methods, excavate Using previous traffic data, the different road speed of different congested links are provided, it is most short to find the alert generation point time Security protection service station and respective routes, security protection vehicle can be greatly reduced to the uncertainty of the time of fire scene, can Ensure security protection vehicle each sections of road with not less than 0.8 probability the scheduled time can reach alert scene, in time Handle alert.
To achieve the above object, the present invention uses following technical scheme：
A kind of safety-protection system alert processing half a year dynamic route planing method, including step：Geographical location information is obtained with timely Between information, find out the be possible to transit route of security protection service station location to alert spot:Determine each transit route Section determines the time used in every a road section,Determine that time used in each route, the route for finding out wherein minimum value are final line Bus or train route line, corresponding security protection service station are the security protection service station for providing rescue;Specifically ,' including step：
（1）Obtain the geographical location information and temporal information of the alert spot corresponding to alarm signal；
（2）According to the geographical location information of the alert spot, the security protection service station in predeterminable area is searched for, acquisition closes on peace The geographical location information in anti-service station；
（3）According to geographical data bank and the geographical location information of alert spot and security protection service station, security protection service is found out It stands the be possible to transit route of location to alert spot:Route 1, route 2 ..., route n；
（4）Determine the section of each transit route：Determine the specific section of route 1, the specific section ... of route 2, route n's Specific section；
（5）Determine time t used in every a road sectionij：Using the big data model of section congestion, be possible to transit route is calculated Every a road section used in the time, tijTime used in the jth section of expression route i, i value ranges are 1 ..., n, and j value ranges are 1,…,m；
（6）Determine time T used in each route1, T2..., Tn：The sum of time used in each section of each route i is calculated and is： Ti=ti1+ti2+…+tim；
（7）Take T1, T2..., TnMinimum value Ta, then a routes are target route, namely it is final traffic route to choose a routes, right The security protection service station answered is the security protection service station for providing rescue.
The determination is per the method for building up of the big data model of the section congestion of time used in a road section：
S01 determines time information：D points, a, b, c, d when e a month b day c, e is determined；
S02 obtains the road section length s by geographical data bank；
The motor vehicle average overall travel speed in the d points of sections, obtains one group 180 when S03 obtains c during alert occurs first 180 days Speed data；
The time required to S04 is obtained the complete section of motor line by t=s/v；
S05 by time data obtained by S04 according to sorting from small to large,
S06 chooses wherein the 144th；
This is the time required to the particular moment motor line complete section.
The geographical location information can be obtained from geographical data bank, and geographical data bank includes road latitude and longitude coordinates Information, road name, link length, building latitude and longitude coordinates, building title etc., the geographical data bank is according to existing geography Information is established.
According to the geographical location information of the alert spot, the security protection service station in predeterminable area is searched for, is specifically included： Centered on the latitude and longitude coordinates of the alert spot, the security protection service station in pre-set radius is searched for；According to the peace searched Anti- service station determines the corresponding latitude and longitude coordinates in the security protection service station.
The determination in each section of the transit route, the road name per a road section is single, and includes starting point, does not wrap Terminal is included, the last item section includes starting and terminal point.
The initial time of information at the time of described, subsequent section is initial time the leading to plus preceding a road section of preceding a road section The row time.
The highway traffic data library includes：Link length, road direction, speed of each moment per a road section motor vehicle Degree.
180 speed datas, respectively alert occur first 1 day, 2 days first, above-mentioned c on the preceding 3rd, 4,5 ... 180 when d Divide the motor vehicle average overall travel speed v in the section1, v2..., v180。
The motor vehicle average overall travel speed in the section can obtain the section by the speed camera in the section Moment several vehicle running speeds, then take its average value.
A kind of safety-protection system alert processing half a year dynamic route planning system, including safety protection command system, road traffic number According to library, geographical data bank, security protection service station etc..
Occurs for above-mentioned alert with minute the moment as minimum time of day, is to divide 21 seconds 2 pm 01 as the moment occurs for fire behavior Then it is rounded at 2 points 01 minute.
Advantages of the present invention：
The present invention is based on the big data model of each section congestion, previous 180 days of digging utilization, i.e., previous friendship in six months Logical data, specific to particular moment, specific road section estimates the transit time in each section with statistical method, and then obtains security protection Personnel are by taken route to the time driven to alert spot, in the case of extreme congestion, the responding time in single section Rate of accuracy reached is to 80%.
The present invention especially pay attention in time using calculate preceding a road section newest transit time data, section it is initial when Carve realizes Dynamic Programming on choosing, therefore the obtained responding time is very accurate and reliable, responding route science.
Present invention determine that security protection service station be by the most short determination of responding time, rather than it is previous simply with passive distance most Short leading determination ensure that the responding time is most short, improve the efficiency of entire safety-protection system.
In addition, data processing method of the present invention is simple and efficient, a customary personal computer can carry out the complete of foregoing invention Portion's calculating process, cost is extremely low, easy to spread.
Specific implementation mode
Embodiment 1：
For example safety protection command system is in September in 2017 is connected to the alert report Room 801 of Yan'an road 7 for 23 seconds 6 minutes at 5 points in afternoon on the 4th Fire needs to rescue.
So safety protection command system will be done as follows：
（1）The entitled the Yellow River mansion of building on Yan'an road 7 is transferred according to geographical data bank, latitude and longitude coordinates are（8 ° of east longitude, north 9 ° of latitude）, obtain the geographical location information of alert spot；
（2）With the Yellow River mansion（8 ° of east longitude, 9 ° of north latitude）Centered on, it is assumed that with 5 kilometers for predetermined search radius, in 5 kilometers of search Security protection service station, obtain the geographical location information and title that close on security protection service station, obtain peace 1 security protection station（10 ° of east longitude, 11 ° of north latitude）, pacify 2 security protection stations（12 ° of east longitude, 13 ° of north latitude）, pacify 3 security protection stations（14 ° of east longitude, 15 ° of north latitude）；
（3）1 security protection station of peace is easy to get by geographical data bank（10 ° of east longitude, 11 ° of north latitude）To the Yellow River mansion（8 ° of east longitude, north latitude 9°）5 different routes, specially route 1, route 2, route 3, route 4, route 5；
（4）Similar finds out 2 security protection stations of peace（12 ° of east longitude, 13 ° of north latitude）To the Yellow River mansion（8 ° of east longitude, 9 ° of north latitude）4 differences Route, specially route 6, route 7, route 8, route 9；And pacify 3 security protection stations（14 ° of east longitude, 15 ° of north latitude）To the Yellow River mansion（East Through 8 °, 9 ° of north latitude）3 different routes, specially route 10, route 11, route 12；
(5) we illustrate how to determine the section of route by taking route 1 as an example：Route 1 is made of 3 sections：Yan'an 1 Road, 2 tunnel of Yan'an, 3 tunnel of Yan'an；1 section of Yan'an, 2 section of Yan'an include starting point crossing, and 3 section of Yan'an includes starting point crossing and end Point crossing, crossings all so all by calculation to and only let it pass primary；
Using the big data model of section congestion, time t used in every a road section of route 1 is calculated1,1, t1,2, t1,3;
(6) with the changed time t in 1 tunnel of the 1st section Yan'an1,1For illustrate how to establish the big data model of certain a road section congestion, Specific method is：
S01 determines alert time of origin at 5 points in the afternoon on the 4th of 23 seconds 6 minutes determining time informations 2017 on the September 4,17 of September in 2017 When 6 divide；
S02 obtains 1 tunnel length s=2 kilometer of section Yan'an by geographical data bank；
S03 is according to highway traffic data library, 66 machine for being segmented 1 tunnels of Yan'an when dividing i.e. September in 2017 3 days 17 when obtaining preceding 1 day 17 Motor-car average speed:6 divide four kinds of vehicle running speeds when obtaining September in 2017 3 days 17 by the speed camera on 1 tunnel of Yan'an, Respectively：30,22,18,26, take its average value（30+22+18+26）/ 4=24, so v1=24 kilometers/hour；It obtains first 2 days The motor vehicle average overall travel speed V on 66 pavement branch sections Yan'an, 1 tunnels when dividing i.e. September in 2017 2 days 17 when 172=25 kilometers/hour ... The motor vehicle average overall travel speed V on 6 pavement branch sections Yan'an, 1 tunnel when obtaining first 180 days i.e. 8 days 17 March in 2017180=25 kilometers/small When
The first n days（1=<n<=180）6 divide v kilometers/hour of average overall travel speed when motor vehicle 17
Preceding V on the 1st1=24
Preceding V on the 2nd2=25
. .
. .
Preceding V on the 90th90=24
. .
. .
Preceding V on the 180th180=20.7
S04 obtains t by t=s/v1The driving of 6 extension set motor-cars has been gone the 1st section and has been taken at=2/24 hour=5 minutes, i.e., first 1 day 17 Between, 6 divide t the time required to the complete section of motor line at first 2 days 172=4.8 minutes, in this way, show that alert occurs preceding 3,4, 6 divide t the time required to the complete section of motor line at 5 ... 180 days 173,t4,…,t180;
ti t1, t2, t3, t4, t5, … ,t90, …, t 180
Time/minute 5,4.8,4.9,5.2,5.1 ..., 5 ..., 5.8
S05 is by t1, t2, … ,t90, …, t 180According to sorting from small to large
t’i t’1, t’2, t’3 , …, t’90 , …,t’144, …, t’ 180
Time/minute 4,4.2,4.3 ..., 5 ... 6 ..., 7,
S06 chooses wherein the 144th t '144=6 at 17 6 divide the motor line complete section the time required to, i.e. t1,1=6.Its Middle 0.2*180=36, because of hereafter 36 namely t145---t180Probability of happening be 0.2, and preceding 144 probability of happening be 1- 0.2=0.8.
I.e. at 17 6 divide 1 tunnel of Yan'an pass through the time required to《=6 minutes probability are 0.8, take t '144=6 minutes extension set 6 at 17 The time required to the complete section of motor-car row.
t1,2,t1,3The same t of algorithm1,1, do not exist together and be only that the moment：
t1,16 divide when September in 2017 4 days 17,
T again1,1=6 minutes, so：
t1,212 divide when September in 2017 4 days 17
T is calculated using the big data model of above-mentioned section congestion1,2When, 12 divide when time information takes September in 2017 4 days 17, into And calculate t1,2=3 minutes, then similar
t1,315 divide when September in 2017 4 days 17
T is calculated using the big data model of above-mentioned section congestion1,3When, 15 divide when time information takes September in 2017 4 days 17, into And calculate t1,3=4 minutes；
(7) by the changed time t in 1 tunnel of the 1st section Yan'an1,1=6 minutes, the changed time t in 2 tunnel of the 2nd section of Yan'an1,2=3 minutes, the 3rd section The changed time t in 3 tunnel of Yan'an1,3=4 minutes;
So transit time T of route 11=t1,1+t1,2+t1,3=6+4+3=13 minute.
Because route 1 is made of 3 sections, and the used time that the probability per a road section is 0.8 is respectively 5,4,3, so whole Probability of the used time of route no more than 13 is 0.8*0.8*0.8;
Similar, we can calculate route 2 ..., the transit time of route 12, T1, T2..., T12, it is assumed that we obtain one Group transit time
Ti T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12
Unit/minute 13,15,16,20,37,44,14,15,19,18,7,10
(8) T11=7 is minimum, therefore it is target route to take 11 routes, namely it is final traffic route, corresponding peace to choose 11 routes Anti- 3 station of service station security protection is the security protection service station for providing rescue.
Safety protection command system sends out instruction to 3 station of security protection, provides traffic route 11 to 3 station of security protection and provides suggestion speed Degree, it is proposed that speed is calculates the motor vehicle average speed in the section taken when the time, and 3 station of security protection executes instruction, and fire fighting truck is It can reach alarm place the Yellow River mansion being connected in alert about 7 minutes and sue and labour；When route 11 is made of 3 sections, The probability reached in its 7 minutes is 0.8*0.8*0.8；It is extremely serious in megalopolis such as Shanghai, Central district's congestion In the case of, security protection vehicle roadway does not exceed 3 sections generally, it is possible to ensure that security protection vehicle reaches in the case of as congestion The time at scene is still controllable.
The present invention takes 180 numerical value, and data volume is big, so gained probability value accuracy is high, the present invention takes 180 numerical value, Data volume is big, so gained probability value accuracy is high.In fact, because the data of half a year are about 180, we can be straight The data with half a year are scooped out, deal with so more convenient, are easy to application.
It is serious that present invention is generally directed to congestions, and security protection center is more, thus the situation that security protection vehicle roadway is less.
If still wanting to improve route running time certainty, the certainty of the time in each section can also be improved, such as It improves to 0.85 etc..

Claims (10)

1. a kind of safety-protection system alert handles half a year dynamic route planing method, which is characterized in that including step：Obtain geographical position Confidence ceases and temporal information, finds out the be possible to transit route of security protection service station location to alert spot:It determines every The section of one transit route determines the time used in every a road section,It determines the time used in each route, finds out used time minimum value route As final traffic route, corresponding security protection service station are the security protection service station for providing rescue;Specifically ,' including step：
（1）Obtain the geographical location information and temporal information of the alert spot corresponding to alarm signal；
（2）According to the geographical location information of the alert spot, the security protection service station in predeterminable area is searched for, acquisition closes on peace The geographical location information in anti-service station；
（3）According to geographical data bank and the geographical location information of alert spot and security protection service station, security protection service is found out It stands the be possible to transit route of location to alert spot:Route 1, route 2 ..., route n；
（4）Determine the section of each transit route：Determine the specific section of route 1, the specific section ... of route 2, route n's Specific section；
（5）Determine time t used in every a road sectionij：Using the big data model of section congestion, be possible to transit route is calculated Time used in per a road section, tijTime used in the jth section of expression route i, i value ranges are 1 ..., n, and j value ranges are 1,…,m；
（6）Determine time T used in each route1, T2..., Tn：The sum of time used in each section of each route i is calculated and is：Ti =ti1+ti2+…+tim；
（7）Take T1, T2..., TnMinimum value Ta, then a routes are target route, namely it is final traffic route to choose a routes, corresponding Security protection service station be the security protection service station that rescue is provided.
2. alert according to claim 1 handles half a year dynamic route planing method, which is characterized in that the geographical location Information can be obtained from geographical data bank, and geographical data bank includes that road latitude and longitude coordinates information, road name, road are long Degree, building latitude and longitude coordinates, building title, the geographical data bank is established according to existing geography information.
3. alert according to claim 1 handles half a year dynamic route planing method, which is characterized in that according to the alert The geographical location information of spot is searched for the security protection service station in predeterminable area, is specifically included：With the warp of the alert spot Centered on latitude coordinate, the security protection service station in pre-set radius is searched for；According to the security protection service station searched, the security protection is determined The corresponding latitude and longitude coordinates in service station.
4. the determination in each section of transit route according to claim 1, which is characterized in that the road name per a road section It is single, and include starting point, do not include terminal, the last item section includes starting and terminal point.
5. the big data model of section congestion according to claim 1, to specific section, method is：
S01 determines time information：D points, a, b, c, d when e a month b day c, e is determined；
S02 obtains the road section length s by geographical data bank；
The motor vehicle average overall travel speed in the d points of sections, obtains one group of 180 speed when S03 obtains c during alert occurs first 180 days Degrees of data；
The time required to S04 is obtained the complete section of motor line by t=s/v；
S05 by time data obtained by S04 according to sorting from small to large,
S06 chooses wherein the 144th, this is in c d points, the time required to the complete section of motor line.
6. time information according to claim 5, which is characterized in that the initial time of subsequent section is rising for preceding a road section Moment beginning adds the transit time of preceding a road section.
7. highway traffic data library according to claim 5, which is characterized in that including：Link length, road direction, often The speed of the various vehicles in one moment road.
8. 180 speed datas according to claim 5, which is characterized in that 180 speed datas are respectively alert First 1 day, 2 days first, above-mentioned c on the preceding 3rd, 4,5 ... 180 when the d points of motor vehicle average overall travel speed v in the section1, v2..., v180。
9. the motor vehicle average overall travel speed in the section according to claim 5, which is characterized in that can be by the section Speed camera obtains the moment several vehicle running speeds in the section, then takes its average value.
10. a kind of safety-protection system alert handles half a year dynamic route planning system, which is characterized in that including safety protection command system, Highway traffic data library, geographical data bank, security protection service station.
CN201711393554.2A 2017-12-21 2017-12-21 A kind of safety-protection system alert processing half a year dynamic route planning system and method Pending CN108305482A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661668A (en) * 2009-06-19 2010-03-03 赵钊 Electronic navigation method for public transport
CN102184640A (en) * 2011-05-05 2011-09-14 东南大学 Method for automatically determining rescue path of expressway network
CN102353381A (en) * 2011-07-06 2012-02-15 广东威创视讯科技股份有限公司 Method and device for obtaining optimal path to hurry to scene of traffic accident
CN106971516A (en) * 2017-05-09 2017-07-21 河北金锁安防工程股份有限公司 A kind of alert process circuit method and system for planning of safety-protection system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661668A (en) * 2009-06-19 2010-03-03 赵钊 Electronic navigation method for public transport
CN102184640A (en) * 2011-05-05 2011-09-14 东南大学 Method for automatically determining rescue path of expressway network
CN102353381A (en) * 2011-07-06 2012-02-15 广东威创视讯科技股份有限公司 Method and device for obtaining optimal path to hurry to scene of traffic accident
CN106971516A (en) * 2017-05-09 2017-07-21 河北金锁安防工程股份有限公司 A kind of alert process circuit method and system for planning of safety-protection system

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