CN107545724A - A kind of dynamic dispatching method of bus, device and system - Google Patents
A kind of dynamic dispatching method of bus, device and system Download PDFInfo
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Abstract
A kind of dynamic dispatching method of bus, device and system are disclosed, had both been avoided that the waiting time of part passenger was long, and can takes into account the ride quality of bus, and then make the traffic control of bus more reasonable.Wherein, the dynamic dispatching method of the bus includes：Obtain the positional information of each bus of current wait number and the operation of each website on public bus network；The bus that will be most reached soon according to corresponding to the positional information of each bus determines each website, and calculate waiting time of each website before the corresponding bus that will most reach soon reaches；Calculate wait number increment of each website in waiting time, and according to currently waiting number and number increment of waiting calculates the name of each website and waited number；If the name of at least three websites is waited, number exceedes the predetermined threshold value of present period, newly dispatches a bus and puts into operation, and the bus newly to dispatch generates bus stop point line map.
Description
Technical field
The present invention relates to intelligent bus technical field, more particularly to a kind of dynamic dispatching method of bus, device are with being
System.
Background technology
With the quickening of the new Development of China's Urbanization in China, the vehicle guaranteeding organic quantity of each large- and-medium size cities increases sharply, and leads
Urban traffic congestion situation is caused to increasingly sharpen.In order to alleviate traffic pressure, country greatly develops public transport cause, advocates green
Trip.
Chinese patent application 200710133472.4 propose a kind of issue of digital public transport information and team control method and
Device, although it solves the RELEASE PROBLEM of bus scheduling information, the scheduling for not solving bus well is asked
Topic.For example, the prior art is merely capable of showing the arrival time for that class of bus that a certain platform will arrive at a station, can not but solve
The problem of certainly part passenger waiting time is long.Chinese patent application 201310706830.1 discloses a kind of intelligent bus platform
And intelligent public transportation system, by the indicative function of intelligent bus platform, effectively reducing bus needs to stop the number of platform for it
Amount, improve the operational efficiency of bus.Long asked however, the prior art can not also solve part passenger waiting time
Topic.
As can be seen here, above-mentioned first patent application simply simply shows arriving at a station for the bus that each platform will arrive at a station
Time, without carrying out active schedule according to public transport operation situation, it is difficult to which effectively solving part passenger waiting time long asks
Topic.Although above-mentioned second patent application has carried out active schedule to bus, it is based only on waiting for a certain platform
Patronage carries out bus dispatching, so as to isolate the contact between each platform.So, if waiting for multiple platforms is total
Number is excessive, has exceeded the carrying capacity that will carry out car, then is likely to cause that the waiting time of part passenger is long, bus
Ride quality reduce.
Therefore, need that a kind of waiting time for being both avoided that part passenger is long, and can takes into account bus in the prior art
Ride quality solution.
The content of the invention
It is an object of the invention to propose a kind of dynamic dispatching method of bus, device and system, to be both avoided that portion
Take the ride quality that objective waiting time is long, and can takes into account bus separately, and then the traffic control of bus is more closed
Reason.
To achieve the above object, according to an aspect of the present invention, it is proposed that a kind of dynamic dispatching method of bus.
The dynamic dispatching method of the bus of the embodiment of the present invention includes：Obtain what each website on a public bus network was sent
The positional information of each bus run on current wait number and the public bus network；According to each bus
Positional information determine the bus that will be most reached soon corresponding to each website, and calculate each website and most soon will corresponding
Waiting time before the bus arrival of arrival；Wait number increment of each website in the waiting time is calculated, and
According to currently waiting number and number increment of waiting calculates the name of each website and waited number；If the name of at least three websites
Number of waiting exceedes the predetermined threshold value of present period, then newly one bus of scheduling puts into operation, and the bus newly to dispatch
Generate bus stop point line map.
Alternatively, the bus stop point line map meets：Stop website justice number of waiting of running after fame for first and exceed predetermined threshold
The website of value and operation starting point near public bus network.
Alternatively, the waiting time of each website is calculated according to equation below：
In formula, t is the waiting time of each website, and s is between each website and the corresponding bus that will most reach soon
Section distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is public transport
Car time loss caused by single platform is stopped,Expression rounds up.
Alternatively, methods described also includes：Gather the road between each website and the corresponding bus that will most reach soon
The video monitoring image of segment distance；The cur-rent congestion index of the section distance is determined according to the video monitoring image；Inquiry
The congestion index and the corresponding relation of average speed prestored, obtain average speed v corresponding with cur-rent congestion index.
Alternatively, wait number increment of each website in the waiting time is calculated according to equation below：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is each website within the unit interval
Number increment of waiting.
Alternatively, the name for each website being calculated according to equation below is waited number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent.
Alternatively, methods described also includes：The day part predetermined threshold value setting table prestored is inquired about, when obtaining and be current
Predetermined threshold value corresponding to section.
To achieve the above object, according to another aspect of the present invention, there is provided a kind of dynamic scheduler of bus.
A kind of dynamic scheduler of bus of the embodiment of the present invention, including：Data acquisition module, for obtaining one
The position letter of each bus run on current wait number and the public bus network that each website is sent on public bus network
Breath；First computing module, for will most arrive soon corresponding to determining each website according to the positional information of each bus
The bus reached, and calculate waiting time of each website before the corresponding bus that will most reach soon reaches；Second meter
Module is calculated, for calculating wait number increment of each website in the waiting time, and according to current number of waiting with waiting
The name that car number increment calculates each website is waited number；Execution module is dispatched, is waited for the name at least three websites
When car number exceedes the predetermined threshold value of present period, newly dispatch a bus and put into operation, and the life of the bus newly to dispatch
Into bus stop point line map.
Alternatively, the bus stop point line map meets：Stop website justice number of waiting of running after fame for first and exceed predetermined threshold
The website of value and operation starting point near public bus network.
Alternatively, the first computing module calculates the waiting time of each website according to equation below：
In formula, t is the waiting time of each website, and s is between each website and the corresponding bus that will most reach soon
Section distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is public transport
Car time loss caused by single platform is stopped,Expression rounds up.
Alternatively, described device also includes：Speed enquiry module；The speed enquiry module includes：Image acquisition units,
For gathering the video monitoring image of the section distance between each website and the corresponding bus that will most reach soon；Congestion point
Unit is analysed, for determining the cur-rent congestion index of the section distance according to the video monitoring image；Query unit, for looking into
The corresponding relation of the congestion index prestored and average speed is ask, obtains average speed v corresponding with cur-rent congestion index.
Alternatively, the second computing module calculates wait number of each website in the waiting time according to equation below and increased
Long amount：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is each website within the unit interval
Number increment of waiting.
Alternatively, the second computing module calculates the name of each website according to equation below and waited number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent.
Alternatively, described device also includes：Predetermined threshold value enquiry module, threshold is preset for inquiring about the day part prestored
Value sets table, obtains predetermined threshold value corresponding with present period.
To achieve the above object, in accordance with a further aspect of the present invention, there is provided a kind of dynamic scheduling system of bus.
A kind of dynamic scheduling system of bus of the embodiment of the present invention, including：The dynamic of bus in the present invention is adjusted
Degree device, the first data sending device being arranged on each bus, the second data sending device for being arranged at each website；First
Data sending device, sent for obtaining the positional information of bus, and by the positional information of the bus to the public transport
The intelligent scheduling device of car；Second data sending device, currently waited for obtaining the current number of waiting on platform, and by described
Car number is sent to the intelligent scheduling device of the bus.
As can be seen from the above technical solutions, the present invention by calculating the waiting time of each website, name wait number, and
Waited in the name of at least three websites and new bus is dispatched when number is more than predetermined threshold value, and the bus newly to dispatch
The steps such as bus stop point line map are generated, can effectively reduce the waiting time of part passenger, what and can raising passenger rode relaxes
Appropriateness, and then the scheduling of bus is more rationalized.
Brief description of the drawings
By that will become more and the specific embodiment part provided, the features and advantages of the present invention referring to the drawings
It is readily appreciated that, in the accompanying drawings：
Fig. 1 is the application scenarios schematic diagram of bus dynamic dispatching method according to embodiments of the present invention；
Fig. 2 is the key step schematic diagram of the dynamic dispatching method of bus according to embodiments of the present invention；
Fig. 3 is a kind of composition schematic diagram of the dynamic scheduler of bus according to embodiments of the present invention；
Fig. 4 is the composition schematic diagram of the dynamic scheduler of another bus according to embodiments of the present invention；
Fig. 5 is the composition schematic diagram of speed enquiry module according to embodiments of the present invention；
Fig. 6 is the composition schematic diagram of the dynamic scheduling system of bus according to embodiments of the present invention.
Embodiment
The illustrative embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched
State merely for the sake of demonstration purpose, and be definitely not to the present invention and its application or the limitation of usage.
The defects of existing for prior art, the present inventor propose a kind of new bus dynamic dispatching side
Method, device and system.The present invention main thought be：Calculate the waiting time of each website, name is waited number, and at least
The name of three websites is waited and new bus is dispatched when number is more than predetermined threshold value, and the generation of the bus newly to dispatch is stopped
Website line map.By above step, the waiting time of part passenger can be effectively reduced, and can raising passenger rides comfortable
Degree.Isolated from the existing number of waiting by each platform come, the bus dispatching method that individually considers it is different, present invention synthesis is examined
The number of waiting of more platforms is considered, so that the scheduling of bus is more reasonable, perfect.
Technical scheme is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the application scenarios schematic diagram of the dynamic dispatching method of bus according to embodiments of the present invention.Can from Fig. 1
See, the dispatching method relates generally to following participation main body：Bus, the Ge Gegong run on bus dispatching center, public bus network
Hand over website.Wherein, bus dispatching center is provided with the dynamic scheduler of bus, and each bus is provided with the first data and sends dress
Put, each bus station is provided with the second data sending device.In the specific implementation, the dynamic scheduler of bus counts from first
Analysis is scheduled according to dispensing device, the second data sending device acquisition data and the data based on acquisition.
Mainly the dynamic dispatching method of the bus of the embodiment of the present invention is said from bus dispatching center side below
It is bright.Fig. 2 is the key step figure of the dynamic dispatching method of bus according to embodiments of the present invention.As shown in Fig. 2 the dispatching party
Method mainly includes the following steps that：
Step S1, each the current of website transmission on a public bus network is obtained to wait on number and the public bus network
The positional information of each bus of operation.In the specific implementation, those skilled in the art can the reasonable set step triggering
The frequency of frequency, i.e. data acquisition.For example, for A circuits, be able to will be run by the first dispensing device public every half an hour
Hand over the positional information of car to send to bus intelligent scheduling center, A circuits will be waited by the second data sending device on each website
The number of waiting of public transport is sent to bus intelligent scheduling center.
Step S2, the public affairs that will be most reached soon according to corresponding to the positional information of each bus determines each website
Car is handed over, and calculates waiting time of each website before the corresponding bus that will most reach soon reaches.
For a further understanding of the implication of " bus that will be most reached soon corresponding to each website ", it is given below one and shows
The example of meaning property.Assuming that A circuits share 15 websites, it is start site R1, R2 ... ... respectively, terminates website R15.At certain
In the data obtained for A circuits, obtain five A circuits buses (numbering is respectively 001,002,003,004,005)
Operation information, and the positional information of this five A circuit public transport is respectively：The A circuits public transport of numbering 001 is in website R2 and website R3
Between, the A circuits public transport of numbering 002 is between website R5 and website R6, and the A circuits public transport of numbering 003 is in website R8 and website
Between R9, the A circuits public transport of numbering 004 between website R11 and website R12, the A circuits public transport of numbering 005 website R14 with
Between website R15.So, it can be seen from the positional information of this five A circuit buses, for R15, R1, R2 website, most
The bus that will be reached soon is the public transport of numbering 005；For R3, R4, R5 website, the bus that will most reach soon is
The public transport of numbering 001；For R6, R7, R8 website, the bus that will most reach soon is the public transport of numbering 002；For
For R9, R10, R11 website, the bus that will most reach soon is the public transport of numbering 003；Come for R12, R13, R14 website
Say, the bus that will most reach soon is the public transport of numbering 004.
Further, the waiting time of each website can be calculated according to equation below：
In formula, t is the waiting time of each website, and s is between each website and the corresponding bus that will most reach soon
Section distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is public transport
Car time loss caused by single platform is stopped,Expression rounds up.In the specific implementation, those skilled in the art can
Assignment is carried out to Δ τ according to actual conditions.For example Δ τ can be set to 1 minute.
From above formula as can be seen that the embodiment of the present invention is when calculating waiting time, not only allow for section distance, put down
The two key factors of equal speed, and consider the bus time loss caused by platform is stopped that will most reach soon.
So, the computational accuracy of waiting time is largely improved.
In embodiments of the present invention, can also be true according to following steps in order to further improve the computational accuracy of waiting time
Determine the average speed v in above-mentioned formula：
Step a1, supervised apart from upper video in the section gathered between each website and the corresponding bus that will most reach soon
Control image.For example, the bus that will be most reached soon corresponding to website R3 is the public transport of numbering 001, then the public affairs of numbering 001 are obtained
Hand over the video monitoring image in section between car and website R3.
Step a2, the cur-rent congestion index of the section distance is determined according to the video monitoring image.It is being embodied
When, video monitoring image can be handled based on existing image recognition, treatment technology, to obtain working as in the distance s of section
Vehicle in front distribution density, and then determine the cur-rent congestion index in the distance s of section.
Step a3, the congestion index and the corresponding relation of average speed that inquiry prestores, are obtained and cur-rent congestion index
Corresponding average speed v.
The embodiment of the present invention can determine average car by step a1 to step a3 according to the real-time road on public bus network
The value of speed so that the value of average speed more they tends to rationally, and then improves the computational accuracy of waiting time.
Step S3, wait number increment of each website in the waiting time is calculated, and according to current number of waiting
The name that each website is calculated with number increment of waiting is waited number.
Further, the step can calculate the name of each website according to equation below and wait number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent, Δ N is each website
Number increment of waiting in waiting time t.
Further, wait number increment of each website in the waiting time can be calculated according to equation below：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is each website within the unit interval
Number increment of waiting.
Step S4, if the name of at least three websites number of waiting exceedes the predetermined threshold value of present period, new scheduling one
Bus puts into operation, and the bus newly to dispatch generates bus stop point line map.Wherein, the bus stop point line map
Meet：Stop website for first and run after fame adopted number of waiting more than predetermined threshold and the station of the operation starting point near public bus network
Point.
Further, after step s 3, before step S4, methods described also includes：It is pre- to inquire about the day part prestored
If threshold value sets table, predetermined threshold value corresponding with present period is obtained.In the specific implementation, it is contemplated that different periods traffic loading
Difference, therefore different predetermined threshold values can be set in different periods.In general, the predetermined threshold value of period commuter rush hour can be set
The ratio put is relatively low, suitably to reduce ride quality, alleviates traffic loading；The predetermined threshold value of passenger flow offpeak period can be set
Compare it is high, to properly increase passenger's ride quality.
In embodiments of the present invention, by obtain data that bus and platform send, calculate each website waiting time,
Name is waited number, and is waited when number is more than predetermined threshold value in the name of at least three websites and dispatched new bus, and
Bus newly to dispatch generates the steps such as bus stop point line map, can effectively reduce the waiting time of part passenger, and can
The comfort level that passenger rides is improved, and then the scheduling of bus is more rationalized.
Fig. 3 is a kind of composition schematic diagram of the dynamic scheduler of bus according to embodiments of the present invention.Such as Fig. 3 institutes
Show, the dynamic scheduler of the bus mainly includes：Data acquisition module 10, the first computing module 20, the second computing module
30th, execution module 40 is dispatched.
Data acquisition module 10, current wait number, the Yi Jisuo sent for obtaining each website on a public bus network
State the positional information of each bus run on public bus network.
First computing module 20, for most fast corresponding to determining each website according to the positional information of each bus
The bus that will be reached, and calculate waiting time of each website before the corresponding bus that will most reach soon reaches.
Further, the first computing module 20 can calculate the waiting time of each website according to equation below：
In formula, t is the waiting time of each website, and s is between each website and the corresponding bus that will most reach soon
Section distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is public transport
Car time loss caused by single platform is stopped,Expression rounds up.From above formula as can be seen that the present invention is implemented
Example not only allows for section distance, average speed the two key factors when calculating waiting time, and considers most fast general
The bus to be reached time loss caused by platform is stopped.So, waiting time is largely improved
Computational accuracy.
Second computing module 30, for calculating wait number increment of each website in the waiting time, and according to
It is current to wait number and number increment of waiting calculates the name of each website and waited number.
Further, the second computing module 30 can calculate the name of each website according to equation below and wait number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent.
Further, the second computing module 30 calculates wait number of each website in the waiting time according to equation below
Increment：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is each website within the unit interval
Number increment of waiting.
Dispatch execution module 40, for the name of at least three websites wait number exceed present period predetermined threshold value
When, newly dispatch a bus and put into operation, and the bus newly to dispatch generates bus stop point line map.Wherein, scheduling is held
The bus stop point line map that row module 40 generates meets：First stop website run after fame justice wait number more than predetermined threshold and
Near the website of the operation starting point of public bus network.
In embodiments of the present invention, the data of bus and platform transmission obtained by data acquisition module, pass through first
Computing module calculates the waiting time of each website, and calculating name by the second computing module waits number, and passes through to dispatch and perform
Module 40 is waited when number is more than predetermined threshold value in the name of at least three websites and dispatches new bus, and is newly dispatched
The steps such as bus generation bus stop point line map, can effectively reduce the waiting time of part passenger, and and can improves passenger and multiplied
The comfort level of car, and then the scheduling of bus is more rationalized.
Fig. 4 is the composition schematic diagram of the dynamic scheduler of another bus according to embodiments of the present invention.Such as Fig. 4 institutes
Show, the dynamic scheduler of the bus mainly includes：Data acquisition module 10, the first computing module 20, the second computing module
30th, execution module 40, speed enquiry module 50, predetermined threshold value enquiry module 60 are dispatched.Because data acquisition module 10, first is counted
Module 20, the second computing module 30, scheduling execution module 40 is calculated to be described above, therefore only introduce speed below and look into
Ask module 50, predetermined threshold value enquiry module 60.Wherein, speed enquiry module 50, for inquiring about being averaged in each section distance s
Speed.Predetermined threshold value enquiry module 60, for inquiring about the day part predetermined threshold value setting table prestored, acquisition and present period
Corresponding predetermined threshold value.
Fig. 5 is the composition schematic diagram of speed enquiry module according to embodiments of the present invention.As shown in figure 5, the speed is inquired about
Module mainly includes：Image acquisition units 501, jamming analysis unit 502, speed query unit 503.
Image acquisition units 501, for gathering the section between each website and the corresponding bus that will most reach soon
The video monitoring image of distance.
Jamming analysis unit 502, for determining that the cur-rent congestion of the section distance refers to according to the video monitoring image
Number.
Speed query unit 503, for inquiring about the corresponding relation of the congestion index that prestores and average speed, obtain with
Average speed v corresponding to cur-rent congestion index.
In embodiments of the present invention, by setting image acquisition units 501, jamming analysis unit 502, speed query unit
503, the value of average speed can be determined according to the real-time road on public bus network so that the value of average speed more they tends to close
Reason, and then improve the computational accuracy of waiting time.
Based on the dynamic scheduler of above bus, the embodiment of the present invention also proposed a kind of dynamic dispatching of bus
System.Fig. 6 is the composition schematic diagram of the dynamic scheduling system of bus according to embodiments of the present invention.As seen from Figure 6, the system
Mainly include：The first data for be arranged at the dynamic scheduler of the bus at bus dispatching center, being arranged on each bus
Dispensing device, the second data sending device for being arranged at each website.
Wherein, the dynamic scheduler of bus, be mainly used in obtaining each website on a public bus network send it is current
The positional information of number of waiting and each bus run on the public bus network；According to the position of each bus
Confidence breath determines the bus that will be most reached soon corresponding to each website, and calculates each website and will most be reached soon corresponding
Bus reach before waiting time；Calculate wait number increment of each website in the waiting time, and according to
It is current to wait number and number increment of waiting calculates the name of each website and waited number；If the name of at least three websites is waited
Number exceedes the predetermined threshold value of present period, then newly one bus of scheduling puts into operation, and the generation of the bus newly to dispatch
Bus stop point line map.
First data sending device, sent out for obtaining the positional information of bus, and by the positional information of the bus
Deliver to the intelligent scheduling device of the bus.
Second data sending device, sent out for obtaining the current number of waiting on platform, and by the current number of waiting
Deliver to the intelligent scheduling device of the bus.In the specific implementation, the second data sending device may include：Command reception mould
Block, wait passenger's statistical module, second communication module.
Wherein, command reception module, can be the input equipments such as touching display screen, peripheral hardware keyboard, button, for receiving
The instruction of waiting of passenger's input, the instruction of waiting include：Wait line identification.For example, the passenger of 101 tunnel public transport of waiting can press
The corresponding button of the tunnel public transport of Xia Yu 101, the passenger of 851 tunnel public transport of waiting can press button corresponding with 851 tunnel public transport.
Wait passenger's statistical module, the ridership of waiting of each circuit on the platform is counted for instruction of being waited according to
Amount.Specifically, passenger's statistical module of waiting can classify to the instruction of waiting of reception according to public bus network, and unite respectively
Count the number of waiting of every circuit public transport.
Second communication module, for the passengers quantity of waiting of each circuit on the platform to be sent to intelligent bus dispatching
Device 1.In the specific implementation, the wireless communication modules such as GPRS or 3G or 4G or 5G can be selected in second communication module 303.
In embodiments of the present invention, by setting the dynamic scheduler of bus, the first data sending device, the second number
According to dispensing device, the dynamic dispatching of bus can be realized, makes the traffic control of bus more reasonable, is ensureing multiplying for passenger
Sit comfortableness and waiting time etc. and make further improvement.
Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to
The embodiment that Yu Wenzhong is described in detail and shown, in the case of without departing from claims limited range, this
Art personnel can make various changes to the illustrative embodiments.
Claims (10)
1. a kind of dynamic dispatching method of bus, it is characterised in that methods described includes：
Obtain each public affairs run on current wait number and the public bus network that each website on a public bus network is sent
Hand over the positional information of car；
The bus that will be most reached soon according to corresponding to the positional information of each bus determines each website, and calculate
Waiting time of each website before the corresponding bus that will most reach soon reaches；
Wait number increment of each website in the waiting time is calculated, and according to current wait number and number increasing of waiting
The name that long amount calculates each website is waited number；
If the name of at least three websites is waited, number exceedes the predetermined threshold value of present period, new one bus input of scheduling
Operation, and the bus newly to dispatch generates bus stop point line map.
2. the method as described in claim 1, it is characterised in that the bus stop point line map meets：
Stop website for first and run after fame adopted number of waiting more than predetermined threshold and the station of the operation starting point near public bus network
Point；With
The waiting time of each website is calculated according to equation below：
In formula, t is the waiting time of each website, and s is the section between each website and the corresponding bus that will most reach soon
Distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is that bus exists
Time loss caused by single platform is stopped,Expression rounds up.
3. method as claimed in claim 2, it is characterised in that methods described also includes：
Gather the video monitoring image of the section distance between each website and the corresponding bus that will most reach soon；
The cur-rent congestion index of the section distance is determined according to the video monitoring image；
The corresponding relation of the congestion index prestored and average speed is inquired about, obtains average car corresponding with cur-rent congestion index
Fast v.
4. the method as described in claim 1, it is characterised in that each website is calculated in the waiting time according to equation below
Number increment of waiting：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is time of each website within the unit interval
Car number increment；
Also, the name that each website is calculated according to equation below is waited number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent.
5. a kind of dynamic scheduler of bus, it is characterised in that described device includes：
Data acquisition module, current wait number and the public transport sent for obtaining each website on a public bus network
The positional information of each bus run on circuit；
First computing module, for will most arrive soon corresponding to determining each website according to the positional information of each bus
The bus reached, and calculate waiting time of each website before the corresponding bus that will most reach soon reaches；
Second computing module, waited for calculating wait number increment of each website in the waiting time, and according to current
The name that car number and number increment of waiting calculate each website is waited number；
Dispatch execution module, for the name of at least three websites wait number exceed present period predetermined threshold value when, newly
One bus of scheduling puts into operation, and the bus newly to dispatch generates bus stop point line map.
6. device as claimed in claim 5, it is characterised in that the bus stop point line map meets：
Stop website for first and run after fame adopted number of waiting more than predetermined threshold and the station of the operation starting point near public bus network
Point；With
First computing module calculates the waiting time of each website according to equation below：
In formula, t is the waiting time of each website, and s is the section between each website and the corresponding bus that will most reach soon
Distance, v are average speed of the bus in the distance s of section, and l is the distance between two neighboring website, and Δ τ is that bus exists
Time loss caused by single platform is stopped,Expression rounds up.
7. device as claimed in claim 5, it is characterised in that described device also includes：Speed enquiry module；The speed is looked into
Asking module includes：
Image acquisition units, for gathering regarding for the section distance between each website and the corresponding bus that will most reach soon
Frequency monitoring image；
Jamming analysis unit, for determining the cur-rent congestion index of the section distance according to the video monitoring image；
Speed query unit, for inquiring about the corresponding relation of the congestion index prestored and average speed, obtain with currently gathering around
Average speed v corresponding to stifled index.
8. device as claimed in claim 5, it is characterised in that the second computing module calculates each website in institute according to equation below
State the number increment of waiting in waiting time：
Δ N=t* Δs n
In formula, Δ N is wait number increment of each website in waiting time t, and Δ n is time of each website within the unit interval
Car number increment；With
The name that second computing module calculates each website according to equation below is waited number：
N=N0+ΔN；
In formula, N is that the name of each website is waited number, N0It is the current number of waiting that each website is sent.
9. device as claimed in claim 5, it is characterised in that described device also includes：
Predetermined threshold value enquiry module, for inquiring about the day part predetermined threshold value setting table prestored, obtain and present period pair
The predetermined threshold value answered.
10. a kind of dynamic scheduling system of bus, it is characterised in that the system includes：Claim 5 to 9 is any described
Bus dynamic scheduler, be arranged on each bus the first data sending device, be arranged at the second of each website
Data sending device；
First data sending device, for obtaining the positional information of bus, and by the positional information of the bus send to
The intelligent scheduling device of the bus；
Second data sending device, for obtaining the current number of waiting on platform, and by the current number of waiting send to
The intelligent scheduling device of the bus.
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