CN110175743A - A kind of dynamic allocation method on airport deicing level ground - Google Patents
A kind of dynamic allocation method on airport deicing level ground Download PDFInfo
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Abstract
The invention discloses a kind of dynamic allocation methods on airport deicing level ground, comprising: (1) according to rigid business constraint, screens the selectable deicing level ground set Q of flight to be allocated0；(2) into the level ground time and the level ground time is predicted by calculating the estimated of flight to be allocated, obtains deicing level ground set Q1；(3) if deicing level ground set Q1For nonempty set, in deicing level ground set Q1Middle screening predicts level ground time earliest deicing level ground, goes to step (4)；Otherwise, postpone the estimated into the level ground time of flight to be allocated, in deicing level ground set Q0Middle screening predicts level ground time earliest deicing level ground, goes to step (4)；(4) in flight into before level ground, whether real-time judge current time flight status changes, if changing, goes to step S2, otherwise, maintains existing allocation result.The present invention considers rigid business constraint and time-constrain, while being adjusted in time according to flight status to be allocated is monitored in real time to allocation plan, has both improved the working efficiency of distribution person, has also improved the accuracy of distribution.
Description
Technical field
The invention belongs to dispatching distribution fields, more particularly, to a kind of dynamic allocation method on airport deicing level ground.
Background technique
Winter cold ice and snow weather can make aircraft surfaces generate ice formation issues, endanger air transportation safety, and aircraft floor removes
Ice is the important leverage of winter flight safe operation.
Airport deicing level ground assignment problem is that a height dynamically distributes problem in real time, and domestic airport is substantially still adopted
The method manually distributed, however, cold ice and snow weather needs the flight of deicing in winter with the continuous expansion of airport scale
It being exponentially increased, this brings huge workload to staff, and manual allocation easily malfunctions in flight for putting forth peak period,
Realize that the intelligence of airport deicing level ground distribution is extremely urgent with facilitation.The solution of airport deicing level ground assignment problem, can be sufficiently sharp
With Airport Resources, Airport Operation benefit and service quality are improved.
At this stage for the research of airport deicing level ground assignment problem, it is most of using traditional genetic algorithms, queueing theory and
The methods of game theory rests on the static allocation stage.But in actual operation, distribution person is high when carrying out deicing level ground and distributing
Degree relies on the information that blank pipe is transmitted through the information come in real time and obtains in real time from field prison radar.When a certain flight issues deicing Shen
Please, distribution person can distribute in real time a deicing level ground according to the occupancy situation on current each deicing level ground and slideway, and according to real-time letter
Breath is constantly adjusted, this is the real-time dynamic allocation procedure of height.
Summary of the invention
In view of the drawbacks of the prior art, the purpose of the present invention is to provide a kind of dynamic allocation method on airport deicing level ground,
The problem of aiming to solve the problem that airport deicing level ground static allocation low efficiency.
To achieve the above object, the present invention provides a kind of dynamic allocation methods on airport deicing level ground, comprising:
S1: according to rigid business constraint, the selectable deicing level ground set Q of flight to be allocated is screened0；
S2: the time is unsatisfactory for level ground time, acquisition removal is predicted into the level ground time by calculating the estimated of flight to be allocated
The deicing level ground set Q of constraint1；
S3: judge deicing level ground set Q1It whether is sky, if deicing level ground set Q1For nonempty set, then in deicing level ground set Q1
Middle screening predicts level ground time earliest deicing level ground, obtains allocation result, goes to step S4；Otherwise, delayed allocation flight into
After the time of level ground, in deicing level ground set Q0Middle screening predicts level ground time earliest deicing level ground, obtains allocation result, goes to step
S4；
S4: before flight goes out level ground, whether real-time judge flight status changes, if changing, goes to step S2, otherwise, maintains
Allocation result；
Preferably, the rigid business constraint includes: that deicing level ground model corresponds to type constraint, deicing level ground affiliated unit corresponds to
The constraint of flight affiliated unit and flight stop seat in the plane and correspond to the constraint of deicing level ground position.
Above-mentioned steps S2 obtains deicing level ground set Q1, comprising:
S2.1 calculates deicing level ground set Q0In the flight set on level ground has been distributed and not gone out in each deicing level ground；
S2.2 judges to have distributed and do not gone out whether the flight set on level ground is sky in each deicing level ground, if flight collection is combined into non-empty,
Go to step S2.3；
S2.3 calculates separately flight to be allocated and has distributed and do not gone out the estimated of level ground flight set and into the level ground time and predicts
The level ground time；
S2.4 judges that flight to be allocated accounts for whether the level ground time has weight with do not go out level ground flight according to the calculating of step S2.3
It is folded, if overlapping, removes and do not go out the corresponding deicing level ground acquisition deicing level ground set Q of level ground flight1。
Preferably, the flight to be allocated is estimated into level ground time and the calculation method for predicting the level ground time are as follows:
(1) judge the current position of flight, if flight has issued deicing application but do not skidded off aircraft gate, go to step (2)；
If flight has skidded off aircraft gate but not into level ground, step (3) are gone to；If flight into level ground, goes to step (4)；
(2) the application time T of deicing is issued according to current time t and flighta, calculate flight to be allocated it is estimated into level ground when
Between TeWith predict level ground time Tl；
Wherein, Tl=Te+T3；
If Ta+T1>=t, then Te=Ta+T1+T2；If Ta+T1< t, then Te=t；
(3) aircraft gate time T is skidded off according to current time t and flights, calculate the estimated into level ground time T of flight to be allocatede
With predict level ground time Tl；
Wherein, Tl=Te+T3；
If Ts+T2>=t, then Te=Ts+T2；If Ts+T2< t, then, and Te=t；
(4) according to current time t, the estimated into level ground time T of flight to be allocated is calculatedeWith predict level ground time Tl；
Wherein, if Te+T3>=t, then Tl=Te+T3；If Te+T3< t, then Tl=t；
Wherein, T1Time for flight from application deicing to stop；T2Be flight from stop seat in the plane to each deicing level ground when
Between；T3The time on deicing level ground is occupied for flight.
The estimated method into the level ground time of the delay distribution flight are as follows:
As deicing level ground set Q1When for empty set, flight to be allocated go each deicing level ground it is estimated into the level ground time be distribution to respectively removing
A upper flight on ice level ground predicts level ground time+1min.
The change of the flight status includes: flight status from normally becoming urgent and flight does not go out level ground, or is promptly become
It is delayed and flight does not go out level ground.
The method of discrimination of the flight status are as follows:
If the level ground moment that predicts of flight to be allocated is later than the estimated takeoff moment, and the time difference is less than threshold time, then should
Flight is regular flight；
If current time is later than the estimated takeoff moment, and the time difference is greater than threshold time, then the flight is Flights Delayed；
Otherwise, which is urgent flight.
Preferably, the threshold time is 25 minutes.
Contemplated above technical scheme through the invention can obtain following compared with prior art
The utility model has the advantages that
(1) one aspect of the present invention obtains deicing level ground set Q by considering hardware business constraint and time-constrain1Afterwards, in order to
Allocative efficiency is promoted, deicing level ground set Q is further screened1In predict level ground time earliest deicing level ground；On the other hand, pass through prison
The change for surveying flight virtual condition to be allocated updates estimated into the level ground and out level ground time of flight to be allocated, and realization is to boat to be allocated
Allocation plan is adjusted in time while class's real time monitoring, the working efficiency of distribution person has been significantly increased.
(2) present invention comprehensively considers rigid business constraint and time-constrain first, and reselection flight to be allocated is corresponding most
Jia Chubingping, process constantly screen determine deicing level ground set three times, complete pre-allocation process；Then in conjunction with practical flight status,
Real-time Feedback and estimated into the level ground and out level ground time for updating corresponding flight to be allocated, the corresponding deicing of flight to be allocated of reallocating
Level ground, compared with existing static allocation method, accuracy is obviously improved.
Detailed description of the invention
Fig. 1 is the flow chart of airport deicing provided by the invention level ground distribution method；
Fig. 2 is screening deicing level ground set Q provided by the invention1Flow diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the present invention provides a kind of dynamic allocation methods on airport deicing level ground, comprising:
S1: according to rigid business constraint, the selectable deicing level ground set Q of flight to be allocated is screened0；
S2: the time is unsatisfactory for level ground time, acquisition removal is predicted into the level ground time by calculating the estimated of flight to be allocated
The deicing level ground set Q of constraint1；
S3: judge deicing level ground set Q1It whether is sky, if deicing level ground set Q1For nonempty set, then in deicing level ground set Q1
Middle screening predicts level ground time earliest deicing level ground, obtains allocation result, goes to step S4；Otherwise, delayed allocation flight into
After the time of level ground, in deicing level ground set Q0Middle screening predicts level ground time earliest deicing level ground, obtains allocation result, goes to step
S4；
One highest wisdom deicing level ground set Q1When for sky, adjust flight to be allocated it is estimated into the level ground time be a boat on each deicing level ground
After class goes out one minute of level ground moment；
S4: before flight goes out level ground, whether real-time judge flight status changes, if changing, goes to step S2, otherwise maintains
Allocation result.Preferably, the rigid business constraint includes: that deicing level ground model corresponds to type constraint, deicing level ground affiliated unit pair
It answers the constraint of flight affiliated unit and flight to stop seat in the plane and corresponds to the constraint of deicing level ground position.
As shown in Fig. 2, above-mentioned steps S2 obtains deicing level ground set Q1Method, comprising:
S2.1 calculates deicing level ground set Q0In the flight set on level ground has been distributed and not gone out in each deicing level ground；
S2.2 judges to have distributed and do not gone out whether the flight set on level ground is sky in each deicing level ground, if flight collection is combined into non-empty,
Go to step S2.3；
S2.3 calculates separately flight to be allocated and has distributed and do not gone out the estimated of level ground flight set and into the level ground time and predicts
The level ground time；
S2.4 judges that flight to be allocated accounts for whether the level ground time has weight with do not go out level ground flight according to the calculating of step S2.3
It is folded, if overlapping, removes and distributed and do not gone out the corresponding deicing level ground of level ground flight, obtain deicing level ground set Q1。
Preferably, the flight to be allocated is estimated into level ground time and the calculation method for predicting the level ground time are as follows:
(1) judge the current position of flight, if flight has sent out deicing application but do not skidded off aircraft gate, go to step (2)；If
Flight has skidded off aircraft gate but not into level ground, goes to step (3)；If flight into level ground, goes to step (4)；
(2) the application time T of deicing is issued according to current time t and flighta, calculate flight to be allocated it is estimated into level ground when
Between TeWith predict level ground time Tl；
Wherein, Tl=Te+T3；
If Ta+T1>=t, then Te=Ta+T1+T2；If Ta+T1< t, then Te=t；
(3) aircraft gate time T is skidded off according to current time t and flights, calculate the estimated into level ground time T of flight to be allocatede
With predict level ground time Tl；
Wherein, Tl=Te+T3；
If Ts+T2>=t, then Te=Ts+T2；If Ts+T2< t, then, and Te=t；
(4) according to current time t, the estimated into level ground time T of flight to be allocated is calculatedeWith predict level ground time Tl；
Wherein, if Te+T3>=t, then Tl=Te+T3；If Te+T3< t, then Tl=t；
Wherein, T1It is flight from application deicing to the time for skidding off aircraft gate；T2It is flight from seat in the plane is skidded off to each deicing level ground
Time；T3The time on deicing level ground is occupied for flight.
T1It is the average time acquisition by flight to be allocated in calculating one month from application deicing to stop；T3Initial value
The level ground time is accounted for for first flight in the same day each deicing level ground, is being averaged for flight accounts in each deicing level ground in one month by calculating
The level ground time obtains, since second flight, T3The average value of level ground time is accounted for for each flight in front.
Preferably, the estimated method into the level ground time of the delay flight to be allocated are as follows: as deicing level ground set Q1For empty set
When, it into the level ground time be to distribute to a upper flight on each deicing level ground to predict the level ground time that flight to be allocated, which goes the estimated of each deicing level ground,
+1min。
The change of the flight status includes: flight status from normally becoming urgent and flight does not go out level ground, or is promptly become
It is delayed and flight does not go out level ground.
The method of discrimination of the flight status are as follows:
If the level ground time that predicts of flight to be allocated is later than the estimated takeoff moment, and the time difference is less than threshold time, then should
Flight is regular flight；
If current time is later than the estimated takeoff moment, and the time difference is greater than threshold time, then the flight is Flights Delayed；
Otherwise, which is urgent flight.
Preferably, the threshold time is 25 minutes.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of dynamic allocation method on airport deicing level ground characterized by comprising
S1: according to rigid business constraint, the selectable deicing level ground set Q of flight to be allocated is screened0；
S2: time-constrain is unsatisfactory for level ground time, acquisition removal is predicted into the level ground time by calculating the estimated of flight to be allocated
Deicing level ground set Q1；
S3: judge deicing level ground set Q1It whether is sky, if deicing level ground set Q1For nonempty set, then in deicing level ground set Q1Middle sieve
Choosing predicts level ground time earliest deicing level ground, obtains allocation result, goes to step S4；
Otherwise, postpone expecting into after the time of level ground for flight to be allocated, in deicing level ground set Q0It is earliest that middle screening predicts the level ground time
Deicing level ground, obtains allocation result, goes to step S4；
S4: in flight into before level ground, whether real-time judge current time flight status changes, if changing, goes to step S2, no
Then, allocation result is maintained.
2. dynamic allocation method as described in claim 1, which is characterized in that the hardness business constraint includes: deicing level ground type
Number corresponding type constraint, deicing level ground affiliated unit correspond to the constraint of flight affiliated unit and flight stop seat in the plane corresponds to deicing level ground institute
In position constraint.
3. dynamic allocation method as claimed in claim 1 or 2, which is characterized in that the step S2 obtains deicing level ground set Q1's
Method, comprising:
S2.1 calculates deicing level ground set Q0In the flight set on level ground has been distributed and not gone out in each deicing level ground；
S2.2 judges to have distributed and do not gone out whether the flight set on level ground is sky in each deicing level ground, if flight collection is combined into non-empty, go to
Step S2.3；
S2.3 calculates separately flight to be allocated and has distributed and do not gone out when expecting into the level ground time and predicting level ground of level ground flight set
Between；
S2.4 according to the calculating of step S2.3, judge flight to be allocated with do not go out level ground flight account for the level ground time whether have it is overlapping, if
Overlapping then removes and does not go out the corresponding deicing level ground of level ground flight, obtains deicing level ground set Q1。
4. dynamic allocation method as claimed in claim 3, which is characterized in that the flight to be allocated it is estimated into the level ground time and
Predict the calculation method of level ground time are as follows:
(1) judge the current position of flight, if flight has issued deicing application but do not skidded off aircraft gate, go to step (2)；If boat
Class has skidded off aircraft gate but not into level ground, goes to step (3)；If flight into level ground, goes to step (4)；
(2) the application time T of deicing is issued according to current time t and flighta, calculate the estimated into level ground time T of flight to be allocatede
With predict level ground time Tl；
Wherein, Tl=Te+T3；
If Ta+T1>=t, then Te=Ta+T1+T2；If Ta+T1< t, then Te=t；
(3) aircraft gate time T is skidded off according to current time t and flights, calculate the estimated into level ground time T of flight to be allocatedeWith it is pre-
Count out level ground time Tl；
Wherein, Tl=Te+T3；
If Ts+T2>=t, then Te=Ts+T2；If Ts+T2< t, then, and Te=t；
(4) according to current time t, the estimated into level ground time T of flight to be allocated is calculatedeWith predict level ground time Tl；
Wherein, if Te+T3>=t, then Tl=Te+T3；If Te+T3< t, then Tl=t；
Wherein, T1It is flight from application deicing to the time for skidding off aircraft gate；T2For flight from skid off seat in the plane to each deicing level ground when
Between；T3The time on deicing level ground is occupied for flight.
5. dynamic allocation method as claimed in claim 3, which is characterized in that the delayed allocation flight expected into the level ground time
Method are as follows:
As deicing level ground set Q1When for empty set, flight to be allocated go each deicing level ground it is estimated into the level ground time be distribution to each deicing level ground
A upper flight predict level ground time+1min.
6. dynamic allocation method as claimed in claim 4, which is characterized in that the change of the flight status includes: flight shape
State does not go out level ground from normally becoming urgent and flight, or promptly becomes delay and flight does not go out level ground.
7. dynamic allocation method as claimed in claim 5, which is characterized in that the method for discrimination of the flight status are as follows:
If the level ground time that predicts of flight to be allocated is later than the estimated takeoff moment, and the time difference is less than threshold time, then the flight
For regular flight；
If current time is later than the estimated takeoff moment, and the time difference is greater than threshold time, then the flight is Flights Delayed；
Otherwise, which is urgent flight.
8. dynamic allocation method as claimed in claim 7, which is characterized in that the threshold time is 25 minutes.
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| CN114491317A (en) * | 2022-04-18 | 2022-05-13 | 中国民航大学 | Centralized deicing operation method and system for airplane, storage medium and computer equipment |
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