CN108010365A - A kind of method of the energy actual arrival time of accurate forecast public transit vehicle - Google Patents

A kind of method of the energy actual arrival time of accurate forecast public transit vehicle Download PDF

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Publication number
CN108010365A
CN108010365A CN201810002429.2A CN201810002429A CN108010365A CN 108010365 A CN108010365 A CN 108010365A CN 201810002429 A CN201810002429 A CN 201810002429A CN 108010365 A CN108010365 A CN 108010365A
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vehicle
station
mrow
msub
information
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凌伟
王威
翟良荣
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Suzhou Ya Xin Electronic Technology Co Ltd
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Suzhou Ya Xin Electronic Technology Co Ltd
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Priority to CN201810002429.2A priority Critical patent/CN108010365A/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/133—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention discloses a kind of method of the energy actual arrival time of accurate forecast public transit vehicle, its step summary is：(1) information of vehicles, line information and station platform information are obtained；(2) the corresponding circuit number of vehicle and station sequence are found according to the information of acquisition；(3) find under corresponding line apart from table and speedometer；(4) platform GPS information is found；(5) distance of vehicle and platform is calculated；(6) the current average speed of vehicle is calculated；(7) time of the vehicle arrival next stop is calculated according to average speed calculated above；(8) time each stood is reached by calculating vehicle apart from the set of table and speedometer；(9) in last real-time update respective lines vehicle information of arriving at a station, and according to the speedometer for differentiating vehicle pull-in and more new vehicle.This method can real-time dynamicly calculate the arrival time of public transit vehicle according to different circuits and website, allow passenger accurately to grasp arrival time of the vehicle under each period so as to targetedly formulate counte-rplan in advance.

Description

A kind of method of the energy actual arrival time of accurate forecast public transit vehicle
Technical field
The present invention relates to a kind of method of the energy actual arrival time of accurate forecast public transit vehicle.
Background technology
Present private car is more and more, causes urban transportation increasingly congestion.Therefore, more and more cities are all being advocated Bus trip, also has more people using public transport as the preferred trip mode of oneself.But present bus is due to red green The difference of lamp, the road is clear degree, the gait of march for causing bus is not necessarily all identical, it is impossible to pre- in real time as subway Know the time that will be arrived at a station of vehicle.
Currently known technology is typically all the information of arriving at a station in platform real-time display vehicle, allows passenger to understand arriving for vehicle To stand information, this provides effective information really, but not solving the problems, such as how long vehicle also arrives at a station fundamentally, it is impossible to very Well by the gap between station and station, peak on and off duty and gap usually embody.Certainly technology also realizes at present Platform forecasts vehicle arrival time, but this kind of technology is all based on default website distance and vehicle standard travel speed to calculate Arrival time, its obtained time value is quiescent value, it is not intended that other interference factors.Therefore the arrival time of vehicle reality is normal Often it is longer than the arrival time of forecast, accuracy is very low, allows the passenger to wait so long to feel very uncomfortable.
Based on it is mentioned above the problem of, in industry urgently it is a kind of can the actual arrival time of accurate forecast public transit vehicle side Method, the time of dynamic prediction bus arrival is capable of by this method, allows passenger accurately to grasp vehicle in each period in advance Under arrival time so as to targetedly formulating counte-rplan.
The content of the invention
The present invention seeks to：A kind of method of the energy actual arrival time of accurate forecast public transit vehicle is provided, this method can The arrival time of public transit vehicle is real-time dynamicly calculated according to different circuits and website, allows passenger accurately to grasp vehicle in advance and exists Arrival time under each period is so as to targetedly formulate counte-rplan.
The technical scheme is that：A kind of method of the energy actual arrival time of accurate forecast public transit vehicle, its feature exist In comprising the following steps：
1) information of vehicles, line information and station platform information where vehicle are obtained；
Wherein information of vehicles includes the circuit number l of vehicleno, be currently located the station sequence s at stationno, the GPS information of vehicle, car Velocity information and vehicles while passing station time, wherein the vehicle speed information refers to the present speed v of vehicle operationb, and car Time out of the station refer to the time t2 and outbound time t1 in a upper station that enters the station of vehicle；
Line information where vehicle, including the speed of the distance between sequence summary table LS, two stations between summary table D, two stations of standing Total Table V；
Station platform information refers to the circuit number L where the platform that is recorded in station platform information summary table Sno, platform station sequence no and The GPS information of platform；
2) according to the circuit number l of information of vehiclesnoCorresponding to the station sequence summary table LS for finding the line information where vehicle Circuit number LSno, then according to the station sequence S for being currently located station of information of vehiclesnoFind LS pairs of the station sequence summary table of line information Answer circuit number LSnoUnder station sequence no；
3) according to the circuit number LSno, between two stations apart from summary table D find under the circuit apart from table Dno, The total Table V of speed between two stations finds the speedometer V under the circuitno；
4) according to circuit number LSnoWith the next stop station sequence no+1 at place, corresponding platform is found in station platform information summary table S GPS information；
5) according to the GPS information of vehicle and the GPS information of platform, the distance between vehicle and platform d are calculatedbs；
6) according to station sequence no and next stop station sequence no+1, in speedometer VnoIn find corresponding sets of speeds v, then and car Present speed vb, current average speed is calculated according to certain formula
7) according to distance dbsWith current average speedVehicle can be calculated and reach the required time t in the next stop；
8) apart from table DnoIn find outAnd speedometer VnoThe sets of speeds at corresponding station, calculates Required time t is travelled between j stations and j+1 stationsj, then can calculate vehicle and reach the time T each to standj；
If 9) vehicle reaches website, according to the time t2 and the time t1 at the upper station of arrival for reaching the station, and previous station With the distance d of our station, the real average speed of vehicle is calculatedIt is saved in corresponding speedometer VnoIn, vehicle is really average SpeedRepeat step 1) -9).
Further, in the step 2) of the method for the present invention, the data set LS={ LS of sequence of standing summary table LS compositions1, LS2..., LSm, wherein LSi, i ∈ [1, m] are the station sequence table on i-th line road, each sequence table LS that standsi, i ∈ [1, m] have this Corresponding station sequence SN under circuitj, j ∈ [1, n], n are the sum stood under circuit, and therefore, sequence of standing summary table can be expressed as：
Further, in the step 3) of the method for the present invention, apart from the data set D={ D of summary table D compositions1, D2..., Dm, its Middle Di, i ∈ [1, m] are apart from table, for each apart from table D on i-th line roadi, have corresponding station between front and rear two station Away from so DiIt can be expressed asWhereinIt is j and j for i-th line Lu Shangzhan sequences Distance between+1 two stations, i ∈ [1, m], j ∈ [1, n-1], data set D can be expressed as:
Further, in the step 3) of the method for the present invention, the data set V={ V of the total Table V composition of speed1, V2..., Vm, its Middle Vi, i ∈ [1, m] are the speedometer under i-th line road, for each speedometer Vi, have WhereinFor speedometer ViSets of speeds v, i ∈ [1, m] between lower jth station and the station of jth+1, j ∈ [1, u-1], therefore, The total Table V of speed can be expressed as：
Wherein, eachAll it is sets of speeds v, v={ a Y1, Y2..., Yx, x is the number of writing speed under the sets of speeds.
Further, in the step 4) of the method for the present invention, the data set S={ S of station platform information summary table S compositions1, S2..., Sm, wherein Si, i ∈ [1, m] are the platform table under i-th line road, for each platform table Si, i ∈ [1, m], haveN is the number at the circuit station, and the GPS information of each platform is by longitude lon and latitude lat Composition, so for each stationHave, therefore, platform summary table S can be expressed as form：
Further, in the step 5) of the method for the present invention, the distance d of vehicle GPS and platform GPSbsFor：
Wherein, latbFor vehicle latitude, lonbFor vehicle longitude, latsFor platform latitude, lonsFor platform longitude, Earthround is the radius of the earth, is 6378.137, unit km, dbsUnit be rice.
Further, in the step 6) of the method for the present invention, average speed is calculatedFormula be：
Wherein, a and b is the proportion of historical speed record and present speed.
Further, in the step 7) of the method for the present invention, required time t is：
Further, in the step 8) of the method for the present invention, required time t is travelled between j stations and j+1 stationsjCan be with It is expressed as：
Wherein no1 is the circuit number of vehicle, and no2 is vehicle when the station sequence set out in advance to make arrangements, vehicle reach the time T each to standj It can be expressed as：
Wherein no2 is vehicle when the station sequence set out in advance to make arrangements.
Further, in the step 9) of the method for the present invention, judge vehicle whether reach website foundation it is as follows：Root According to the distance between the vehicle and platform being the previously calculated dbs, judge when the distance is less than 10m for the first time, it is believed that should Vehicle reaches the station, and time at this time just reaches the time t2 at the station for vehicle.
It is an advantage of the invention that：
1st, the method for the present invention can real-time dynamicly calculate the arrival time of public transit vehicle according to different circuits and website, Passenger is allowed accurately to grasp arrival time of the vehicle under each period so as to targetedly formulate counte-rplan in advance.
2nd, the method for the present invention has extensive real-time and applicability, it can obtain difference according to different circuit websites As a result, and cost it is relatively low, it is easy to accomplish.
3rd, the present invention is different from known when being arrived at a station based on default website distance and vehicle standard travel speed to calculate Between method, it can be according to different periods and the arrival time of vehicle actual motion prediction of speed vehicle, more accurately.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the flow chart of the method for the present invention.
Embodiment
Embodiment：We combine a specific public bus network below, as certain No. 2 circuit in city driving vehicle exemplified by, it is right A kind of method of energy actual arrival time of accurate forecast public transit vehicle provided by the invention is specifically described as follows：
Assuming that No. 2 circuits in certain city have two cars travelling.
The method of the energy actual arrival time of accurate forecast public transit vehicle provided by the invention, its basic flow combination Fig. 1 With the main technical schemes part of foregoing specification, and the present embodiment comprises the following steps that：
1) information of vehicles, line information and station platform information where vehicle are obtained
Such as the circuit number l of vehiclenoThat is No. 2 lines, wherein first car (are stood among the 5th station and the 6th station where vehicle Sequence snoInformation), the gps information of vehicle is (120.740249,31.275574), and speed is 16m/s (i.e. present speed vb)；The (stand two cars sequence s where vehicle between the 14th station and the 15th stationnoInformation), the gps information of vehicle for (120.720856, 31.322237), speed is 8m/s (i.e. present speed vb).Line information where vehicle, including station sequence summary table LS, two stations it Between the total Table V of the speed between summary table D, two stations；Station platform information refers to the platform place recorded in station platform information summary table S Circuit number Lno, the station sequence no of platform and the GPS information of platform, it is as described above to have revealed that.
2) LS is found in the sequence summary table LS that standsno=2 circuit, then according to two cars respectively station sequence, find two Sequence of standing is no1=5, no2=the 14 and station sequence no of two next stops3=6, no4=15.
3) according to circuit number LSno=2, between two stations apart from summary table D find under the circuit apart from table Dno, The total Table V of speed between two stations finds the speedometer V under the circuitno。
4) according to circuit number LSno=2 and station sequence no3=6, no4=15, stand respectively in platform summary table S to two stations The GPS information of point, gps1=(120.737222,31.275334), gps=(120.720559,31.324000).
5) according to the GPS information of vehicle 1, gps1GPS information, gps with vehicle 22Calculate vehicle 1 and the station that sequence is 6 of standing The distance of platform
6) according to station sequence no1=5, no3=6, no2=14, no4=15 respectively in speedometer VnoFind corresponding speed collection Close v1And v2, then with vehicle present speedWithCurrent average speed is calculated according to certain formula Degree
7) according to first car and the distance at the 6th stationAnd average speedFirst car can be calculated and reach the 6th Stand required time t1；Second car and the distance at the 6th stationAnd average speedFirst car can be calculated and reach the 6th Stand required time t2。
8) apart from table DnoIn find outAnd speedometer VnoCorresponding station Sets of speeds, calculates travel required time t between j stations and j+1 stations respectivelyj.Then next car can be calculated to reach To the time T each to standj。
9) if vehicle just enters the station, then according to the outbound time t1 of the time t2 and a upper station that enter the station, and previous station With the distance of our station, the true velocity that vehicle travels between this two station is calculatedIt is saved in corresponding speedometer VnoIn, car Real average speedThen t2 and t1 is updated, repeats step 1) -9).And judge whether vehicle arrives Foundation up to website is：According to the distance between the vehicle and platform being calculated in step 5) dbs, judge to work as the distance first It is secondary when be less than 10m, it is believed that the vehicle reaches the station, and time at this time just reaches the time t2 at the station for vehicle.
Wherein in step 2), the data set LS={ LS of sequence of standing summary table LS compositions1, LS2..., LS45, wherein LSi, i ∈ [Isosorbide-5-Nitrae 5] is the station sequence table on i-th line road.Each station sequence table LSi, i ∈ [Isosorbide-5-Nitrae 5] have corresponding station sequence SN under the circuitj, J ∈ [1, n], n are the sum stood under circuit.Therefore, sequence of standing summary table can be expressed as：
Wherein in step 3), apart from the data set D={ D of summary table D compositions1, D2..., D45, wherein Di, i ∈ [Isosorbide-5-Nitrae 5] For on i-th line road apart from table.For each apart from table Di, have corresponding stop spacing between front and rear two station.So DiCan be with table It is shown asWhereinIt is j between two of j+1 stations for i-th line Lu Shangzhan sequences Distance, i ∈ [Isosorbide-5-Nitrae 5], j ∈ [1, n-1].Data set D can be expressed as:
Meanwhile in step 3), the data set V={ V of the total Table V composition of speed1, V2..., V45, wherein Vi, i ∈ [Isosorbide-5-Nitrae 5] For the speedometer under i-th line road.For each speedometer Vi, haveWherein For speedometer ViSets of speeds v, i ∈ [Isosorbide-5-Nitrae 5] between lower jth station and the station of jth+1, j ∈ [1, n-1].Therefore, speed summary table V can be expressed as：
Wherein, eachAll it is sets of speeds v, v={ a v1, v2..., vx, x is the number of writing speed under the sets of speeds.
Wherein in step 4), the data set S={ S of station platform information summary table S compositions1, S2..., S45, wherein Si, i ∈ [1, 45] it is the platform table under i-th line road.For each platform table Si, i ∈ [Isosorbide-5-Nitrae 5], haven For the number at the circuit station.And the GPS information of each platform is made of longitude lon and latitude lat.So for each stationHaveTherefore, platform summary table S can be expressed as form：
Wherein in step 5), the distance of vehicle GPS and platform GPSWithRespectively：
Wherein, latbFor vehicle latitude, lonbFor vehicle longitude, latsFor platform latitude, lonsFor platform longitude. Earthround is the radius of the earth, is 6378.137, unit km.dbsUnit be rice.
Wherein in step 6), average speed is calculatedFormula be：
Wherein, a and b is the proportion of historical speed record and present speed.A and b values are all 0.5 herein.
Sets of speeds v1={ 7.5,4.8,6.3,5.9 }；
Sets of speeds v2={ 8.4,2.6,6.7 }；
Can be in the hope of
Wherein in step 7), required time t1For：
Wherein in step 8), required time t is travelled between j stations and j+1 stationsjIt can be expressed as：
Wherein no1 is the circuit number of vehicle, and no2 is vehicle when the station sequence set out in advance to make arrangements.
Vehicle reaches the time T each to standjIt can be expressed as：
Wherein no2 is vehicle when the station sequence set out in advance to make arrangements.
The collection of the distance between No. 2 two stations of circuit composition is combined into：
{353,278,534,382,380,723,583,955,1103,643,998,402,701,586,1056,579, 389,9342,1320 } (unit：Rice)
So each station can be obtained by next car and reach time needed for the station：
{null,null,null,null,null,26,128,218,332,522,609,729,795,877,28,196, 281,331,915,1062 } (unit：Second)
These temporal informations all can in real time as station platform information renewal on the electronic information screen of platform, facilitate passenger with When consult.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique People can understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.It is all according to this hair The modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.

Claims (10)

  1. A kind of 1. method of the energy actual arrival time of accurate forecast public transit vehicle, it is characterised in that comprise the following steps：
    1) information of vehicles, line information and station platform information where vehicle are obtained；
    Wherein information of vehicles includes the circuit number l of vehicleno, be currently located the station sequence s at stationno, vehicle GPS information, vehicle speed Information and vehicles while passing station time are spent, wherein the vehicle speed information refers to the present speed v of vehicle operationb, and vehicle Time out of the station refers to the time t2 and outbound time t1 in a upper station that enters the station of vehicle；
    Line information where vehicle, including the speed summary table of the distance between sequence summary table LS, two stations between summary table D, two stations of standing V；
    Station platform information refers to the circuit number L where the platform that is recorded in station platform information summary table Sno, platform station sequence no and platform GPS information；
    2) according to the circuit number l of information of vehiclesnoFind the circuit corresponding to the station sequence summary table LS of the line information where vehicle Number LSno, then according to the station sequence s for being currently located station of information of vehiclesnoFind the station sequence summary table LS corresponding lines of line information Number LSnoUnder station sequence no；
    3) according to the circuit number LSno, between two stations apart from summary table D find under the circuit apart from table Dno, at two stations Between the total Table V of speed find speedometer V under the circuitno；
    4) according to circuit number LSnoWith the next stop station sequence no+1 at place, corresponding platform GPS is found in station platform information summary table S Information；
    5) according to the GPS information of vehicle and the GPS information of platform, the distance between vehicle and platform d are calculatedbs；
    6) according to station sequence no and next stop station sequence no+1, in speedometer VnoIn find corresponding sets of speeds v, then with vehicle Present speed vb, current average speed is calculated according to certain formula
    7) according to distance dbsWith current average speedVehicle can be calculated and reach the required time t in the next stop；
    8) apart from table DnoIn find outAnd speedometer VnoThe sets of speeds at corresponding station, calculates and stands in j Required time t is travelled between j+1 stationsj, then can calculate vehicle and reach the time T each to standj；
    If 9) vehicle reaches website, according to the time t2 for reaching the station and the time t1 at a upper station is reached, and previous station and originally The distance d to stand, calculates the real average speed of vehicleIt is saved in corresponding speedometer VnoIn, the real average speed of vehicleRepeat step 1) -9).
  2. A kind of 2. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 2), the data set LS={ LS of sequence of standing summary table LS compositions1, LS2..., LSm, wherein LSi, i ∈ [1, m] are i-th line The station sequence table on road, each sequence table LS that standsi, i ∈ [1, m] have corresponding station sequence SN under the circuitj, j ∈ [1, m], n are under circuit The sum stood, therefore, sequence of standing summary table can be expressed as：
  3. A kind of 3. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 3), apart from the data set D={ D of summary table D compositions1, D2..., Dm, wherein Di, i ∈ [1, m] are on i-th line road Apart from table, for each apart from table Di, have corresponding stop spacing between front and rear two station, so DiIt can be expressed asWhereinFor the i-th line Lu Shangzhan sequences distance that is j between two of j+1 stations, I ∈ [1, m], j ∈ [1, m-1], data set D can be expressed as:
  4. A kind of 4. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 3), the data set V={ V of the total Table V composition of speed1, V2..., Vm, wherein Vi, i ∈ [1, m] are under i-th line road Speedometer, for each speedometer Vi, haveWhereinFor speedometer ViLower jth station Sets of speeds v, i ∈ [1, m] between the station of jth+1, j ∈ [1, n-1], therefore, the total Table V of speed can be expressed as：
    Wherein, eachI ∈ [1, m], j ∈ [1, n-1] are sets of speeds v, v={ a v1, v2..., vx, x is should The number of writing speed under sets of speeds.
  5. A kind of 5. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 4), the data set S={ S of station platform information summary table S compositions1, S2..., Sm, wherein Si, i ∈ [1, m] are i-th line road Under platform table, for each platform table Si, i ∈ [1, m], haveN is at the circuit station Number, and the GPS information of each platform is made of longitude lon and latitude lat, so for each stationI ∈ [1, m], j ∈ [1, n ］, haveTherefore, platform summary table S can be expressed as form：
  6. A kind of 6. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 5), the distance d of vehicle GPS and platform GPSbsFor：
    <mfenced open = "" close = ""> <mtable> <mtr> <mtd> <mrow> <msub> <mi>d</mi> <mrow> <mi>b</mi> <mi>s</mi> </mrow> </msub> <mo>=</mo> <mn>2</mn> <mo>*</mo> <msup> <mi>sin</mi> <mrow> <mo>-</mo> <mn>1</mn> </mrow> </msup> <mrow> <mo>(</mo> <msqrt> <msup> <mrow> <mo>(</mo> <mi>sin</mi> <mo>(</mo> <mo>(</mo> <msub> <mi>lat</mi> <mi>b</mi> </msub> <mo>-</mo> <msub> <mi>lat</mi> <mi>s</mi> </msub> <mo>)</mo> <mo>*</mo> <mfrac> <mi>&amp;pi;</mi> <mn>180</mn> </mfrac> <mo>)</mo> <mo>)</mo> </mrow> <mn>2</mn> </msup> </msqrt> <mo>+</mo> <mi>cos</mi> <mo>(</mo> <msub> <mi>lat</mi> <mi>b</mi> </msub> <mo>*</mo> <mfrac> <mi>&amp;pi;</mi> <mn>180</mn> </mfrac> <mo>)</mo> </mrow> <mo>*</mo> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mrow> <mo>(</mo> <msub> <mi>lat</mi> <mi>s</mi> </msub> <mo>*</mo> <mfrac> <mi>&amp;pi;</mi> <mn>180</mn> </mfrac> <mo>)</mo> </mrow> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>*</mo> <msup> <mrow> <mo>(</mo> <mi>sin</mi> <mo>(</mo> <mo>(</mo> <msub> <mi>lon</mi> <mi>b</mi> </msub> <mo>-</mo> <msub> <mi>lon</mi> <mi>s</mi> </msub> <mo>)</mo> <mo>*</mo> <mfrac> <mi>&amp;pi;</mi> <mn>180</mn> </mfrac> <mo>)</mo> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mo>)</mo> <mo>*</mo> <mi>e</mi> <mi>a</mi> <mi>r</mi> <mi>t</mi> <mi>h</mi> <mi>r</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>d</mi> <mo>*</mo> <mn>1000</mn> </mrow> </mtd> </mtr> </mtable> </mfenced>
    Wherein, latbFor vehicle latitude, lonbFor vehicle longitude, latsFor platform latitude, lonsFor platform longitude, earthround It is 6378.137 for the radius of the earth, unit km, dbsUnit be rice.
  7. A kind of 7. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 6), average speed is calculatedFormula be：
    <mrow> <mover> <mi>v</mi> <mo>&amp;OverBar;</mo> </mover> <mo>=</mo> <mrow> <mo>(</mo> <mi>a</mi> <mo>*</mo> <mo>(</mo> <mrow> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <mi>x</mi> </munderover> <msub> <mi>v</mi> <mi>i</mi> </msub> </mrow> <mo>)</mo> <mo>+</mo> <mi>b</mi> <mo>*</mo> <msub> <mi>v</mi> <mi>b</mi> </msub> <mo>)</mo> </mrow> <mo>/</mo> <mrow> <mo>(</mo> <mi>a</mi> <mo>+</mo> <mi>b</mi> <mo>)</mo> </mrow> </mrow>
    Wherein, a and b is the proportion of historical speed record and present speed.
  8. A kind of 8. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 7), required time t is：
  9. A kind of 9. method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1, it is characterised in that： In step 8), required time t is travelled between j stations and j+1 stationsjIt can be expressed as：
    <mrow> <msub> <mi>t</mi> <mi>j</mi> </msub> <mo>=</mo> <msub> <mi>D</mi> <mrow> <mi>n</mi> <mi>o</mi> <msub> <mn>1</mn> <mrow> <mi>j</mi> <mi>j</mi> <mo>+</mo> <mn>1</mn> </mrow> </msub> </mrow> </msub> <mo>*</mo> <mi>x</mi> <mo>/</mo> <msubsup> <mi>&amp;Sigma;</mi> <mn>1</mn> <mi>x</mi> </msubsup> <msub> <mi>v</mi> <mi>l</mi> </msub> <mo>,</mo> <mi>j</mi> <mo>&amp;Element;</mo> <mo>&amp;lsqb;</mo> <mi>n</mi> <mi>o</mi> <mn>2</mn> <mo>,</mo> <mi>n</mi> <mo>-</mo> <mn>1</mn> <mo>&amp;rsqb;</mo> </mrow>
    Wherein no1 is the circuit number of vehicle, and no2 is vehicle when the station sequence set out in advance to make arrangements, vehicle reach the time T each to standjCan It is expressed as：
    <mrow> <msub> <mi>T</mi> <mi>j</mi> </msub> <mo>=</mo> <msubsup> <mi>&amp;Sigma;</mi> <mrow> <mi>n</mi> <mi>o</mi> <mn>2</mn> <mo>+</mo> <mn>1</mn> </mrow> <mi>j</mi> </msubsup> <msub> <mi>t</mi> <mi>k</mi> </msub> <mo>+</mo> <mi>t</mi> <mo>,</mo> <mi>j</mi> <mo>&amp;Element;</mo> <mo>&amp;lsqb;</mo> <mi>n</mi> <mi>o</mi> <mn>2</mn> <mo>,</mo> <mi>n</mi> <mo>-</mo> <mn>1</mn> <mo>&amp;rsqb;</mo> </mrow>
    Wherein no2 is vehicle when the station sequence set out in advance to make arrangements.
  10. 10. a kind of method of energy actual arrival time of accurate forecast public transit vehicle according to claim 1 or 6, its feature It is：In step 9), judge vehicle whether reach website foundation it is as follows：According to the vehicle and platform being calculated in step 5) The distance between dbs, judge when the distance is less than 10m for the first time, it is believed that the vehicle reaches the station, and the time at this time is just The time t2 at the station is reached for vehicle.
CN201810002429.2A 2018-01-02 2018-01-02 A kind of method of the energy actual arrival time of accurate forecast public transit vehicle Pending CN108010365A (en)

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