CN115577859A - Anchor berth distribution method, system and equipment - Google Patents

Anchor berth distribution method, system and equipment Download PDF

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CN115577859A
CN115577859A CN202211452087.7A CN202211452087A CN115577859A CN 115577859 A CN115577859 A CN 115577859A CN 202211452087 A CN202211452087 A CN 202211452087A CN 115577859 A CN115577859 A CN 115577859A
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CN115577859B (en
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孙昌俊
李浩斌
曹馨湖
唐尧
杨振宁
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Nanjing Lianyun Intelligent System Co ltd
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Abstract

The application relates to an anchor berth distribution method, system and equipment, which belong to the technical field of berth distribution, wherein the method comprises the steps of acquiring ship information in real time; if the target acquisition time is present, so that the ship information meets any preset trigger condition, generating trigger information, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: the number of ships to be parked corresponding to the target acquisition time relative to the previous acquisition time is changed, and the number of ships to be pointed to be parked corresponding to the target acquisition time relative to the previous acquisition time is changed; when the trigger information is received, based on the ship information corresponding to the trigger moment, the berths are redistributed for all the ships to be pointed, all the ships to be pointed and the corresponding berth corresponding relations are determined, the preset distribution table is updated by using the corresponding relations, and the distribution table is fed back. The method and the device have the effects of improving the utilization rate of the berth and reducing the unavailable time of berth fragments.

Description

Anchor berth distribution method, system and equipment
Technical Field
The present application relates to the field of berth allocation technologies, and in particular, to a method, a system, and a device for allocating berths at an anchor place.
Background
The anchorage refers to a water area for anchoring a ship on water so as to realize safe mooring, wind prevention, waiting for inspection pilot, overwater refuting, formation and disassembly of a fleet and other operations, and the mooring position of the anchorage refers to a specific position for mooring the ship.
A vessel that needs to be berthed at an anchor site typically issues a berthing application, in the form of a telephone call or system software, prior to entering the anchor site, indicating the length of time the vessel is planned to remain at the berth (hereinafter collectively referred to as the planned berthing period), for which the anchor site administrator can assign the berth without error after approval of the berthing application. And for the ships successively berthing on the berth, the time difference between the moment when the first ship leaves the berth and the moment when the latter ship enters the berth is the fragment duration of the berth.
It should be noted that there are some ships leaving the berth before the end of the planned berthing period of their application, and the anchor administrator cannot know the early leaving of the ship in time, so that the berth cannot be utilized after the ship leaves in advance until the end of the planned berthing period, that is, the fragment duration of the berth is increased, and finally the utilization rate of the berth is low.
Disclosure of Invention
In order to solve the technical problem that the current berth has low berth utilization rate, the application provides an anchor berth allocation method, system and equipment.
In a first aspect, the present application provides a method for allocating anchor berths, which adopts the following technical solutions:
an anchor berth allocation method, comprising:
acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, each planned berthing time period of the ships to be berthed and each planned berthing time period of the ships to be berthed;
if the target acquisition time is available, so that the ship information meets any preset trigger condition, generating trigger information, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed, and when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed;
when the trigger information is received, based on the ship information corresponding to the trigger moment, the berths are redistributed for all the ships to be pointed, all the ships to be pointed and the corresponding berth corresponding relations are determined, the corresponding relations are used for updating a preset distribution table, and the distribution table is fed back.
By adopting the technical scheme, the berthing finger is used for berthing a ship at the berth, and the ship to be berthed obtains the entry qualification and is not berthed; the triggering condition refers to a predetermined condition for executing the berth reallocation operation; the change of the ships to be berthed and the ships to be berthed can be known in real time by acquiring the ship information in real time, the change specifically comprises the quantity change, and once the ship information meets any preset triggering condition, berths are redistributed for the ships to be berthed based on the ship information, so that the distribution table is updated, the situation that the time length of fragments of the berths is increased due to the fact that the change of the situations of early departure of the ships cannot be known in time is reduced, and the berth utilization rate is improved.
Optionally, the reassigning the berths to all the ships to be referred to includes:
determining a berth queue and a free position time interval of each berth in the berth queue, and determining a to-be-fingered berth queue; the ship queue to be pointed to berth at least comprises attribute information of the ship to be pointed to berth and a corresponding planned berthing time period;
selecting a target berth from the berth queue according to a preset berth matching sequence, determining a target ship matched with the target berth from the ship queue to be berthed, and stopping selection until the berth distribution of all ships to be berthed in the ship queue to be berthed is completed;
the step of determining the target ship matched with the target berth from the ship queue to be directed comprises the following steps:
screening out the ships to be fingered within the neutral time interval of the target berth in the planned berth parking time interval from the queues to be fingered to form a fingering queue, and sequencing the fingering queue according to the sequence of the starting time of the planned berth parking time interval;
starting from the second ship to be berthed in the berthing queue, sequentially judging whether the starting time of the corresponding planned berthing time interval is later than the ending time of the planned berthing time interval of the previous ship to be berthed;
if yes, continuing to judge the next ship to be fingered until the judgment of all the ships to be fingered in the fingering queue is completed; if not, determining the current ship to be pointed to berth as the ship to be removed, and continuing to judge the next ship to be pointed to berth until the judgment of all the ships to be pointed to berth in the pointing berth queue is completed;
removing all the ships to be removed from the berthing queue, determining all the ships to be berthed in the current berthing queue as target ships of the target berth, storing the corresponding relation between the target ships and the target berth, and removing the ships to be berthed corresponding to the target ships from the berthing queue.
By adopting the technical scheme, the free position time interval of the berths refers to the available berthing time interval, after the free position time intervals of all the berths are determined, ships to be guided to berth which are suitable for berthing at the berths are sequentially selected for each berth according to the preset berth matching sequence until all the ships to be guided to berth find the berths; the target berth refers to any berth, and the target ship refers to a ship to be berthed matched with the target berth; in the specific process of selecting and matching target ships for target berths, all ships to be fingered within the neutral time period of the target berths are combined to form a fingering queue, then the corresponding ships to be fingered with overlapped planned berthing time periods need to be removed to ensure that the planned berthing time periods of all the ships to be fingered in the final fingering queue are not overlapped, all the ships to be fingered contained in the final fingering queue are the target ships corresponding to the target berths, and the target ships are removed from the queue to be fingered so that the ships to be fingered with matched berths do not participate in the matching of subsequent berths.
Optionally, the berthing-directing queues are sorted according to the sequence of the starting time of the planned berthing time period; the method comprises the following steps:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
when a plurality of first ships exist in the berthing queue, the first ships satisfy the following conditions: the starting time of the planned parking period is consistent; removing the first ships except the first ship with the longest planned berthing period from the berthing queue based on a preset long-period optimization method until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
By adopting the technical scheme, if a plurality of first ships with the same starting time of the planned berthing time interval exist in the finger-berthing queue, the first ship with the longest planned berthing time interval is reserved based on a long-time optimization method so as to ensure that the starting time of the planned berthing time interval of all the ships to be directed to berth in the finger-berthing queue is unique.
Optionally, the berthing-directing queues are sorted according to the sequence of the starting time of the planned berthing time period; the method comprises the following steps:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
when a plurality of first ships exist in the berthing queue, the first ships satisfy the following conditions: the starting time of the planned parking period is consistent; removing the first ships except the first ship with the shortest planned berthing period from the berthing queue based on a preset short-time period preference method until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
By adopting the technical scheme, if a plurality of first ships with the same starting time of the planned berthing time interval exist in the finger-berthing queue, the first ship with the shortest planned berthing time interval is reserved based on a long-time optimization method so as to ensure that the starting time of the planned berthing time interval of all the ships to be directed to berth in the finger-berthing queue is unique.
Optionally, the berthing-directing queues are sorted according to the sequence of the starting time of the planned berthing time period; the method comprises the following steps:
sequencing the parking-indicating queues according to the sequence of the starting time of the planned parking period;
when a plurality of first ships exist in the berthing queue; generating a first berthing queue based on the long-period preference method and generating a second berthing queue based on the short-period preference method; respectively calculating the berth utilization rate corresponding to a first berthing queue and the berth utilization rate corresponding to a second berthing queue based on a preset calculation rule;
if the berth utilization rate corresponding to the first berth directing queue is not smaller than the berth utilization rate of the second berth directing queue, taking the first berth directing queue as a berth directing queue; otherwise, the second berth queue is used as the berth queue.
By adopting the technical scheme, the first berth directing queue generated based on the long-period optimization method and the second berth directing queue generated based on the short-period optimization method are preferably used as the berth directing queue with high berth utilization rate, so that the utilization rate of berth allocation is improved.
Optionally, the determining the parking space period of the berth queue and each berth in the berth queue includes:
monitoring whether each berth exists in the berth, adding the berths which do not exist in the berth into a preset berth queue, and determining the neutral time interval of the berth based on the trigger moment;
and for the berth existing in the berth, determining whether the berth is delayed for departure or not based on the planned berthing time period and the triggering time of the berth, if not, adding the corresponding berth to the berth queue, and determining the neutral position time period of the berth based on the corresponding planned berthing time period.
By adopting the technical scheme, for the current berth without berthing, the free position time of the berth is the trigger time and later, for the current berth with the berth, whether the berthing time of the berth is overdue needs to be determined, and if not, the free position time period of the berth is the ending time and later of the planned berthing time period of the berth.
Optionally, the determining a queue to be fingered includes:
and calculating the time difference between the starting time of the planned mooring time period of each ship to be moored and the triggering time, and updating the attribute information corresponding to all the ships to be moored with the time difference larger than the preset difference and the expected mooring time period of the ships to be moored to a preset ship queue to be moored.
By adopting the technical scheme, the preset difference value can be preset and can be the calculation time length required for re-allocating berths for all ships to be berthed, and for the ships to be berthed at the port, the ships to be berthed are not needed to be berthed, and the berths of the ships to be berthed are directly used as the berths of the ships to be berthed according to the latest corresponding relation in the allocation table, so that the ships can be berthed at the port smoothly.
In a second aspect, the present application provides an anchor berth distribution system comprising:
the ship information acquisition module is used for acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, each planned berthing time period of the ships to be berthed and each planned berthing time period of the ships to be berthed;
the trigger condition judging module is used for generating trigger information when the ship information meets any preset trigger condition at the target acquisition moment, and determining the target acquisition moment as the trigger moment; wherein the trigger condition at least comprises: the number of ships to be parked corresponding to the target acquisition time relative to the previous acquisition time is changed, and the number of ships to be pointed to be parked corresponding to the target acquisition time relative to the previous acquisition time is changed;
and the anchor berth distribution module is used for redistributing berths for all ships to be berthed based on the ship information corresponding to the triggering moment when the triggering information is received, determining all the ships to be berthed and corresponding berth corresponding relations thereof, updating a preset distribution table by using the corresponding relations, and feeding back the distribution table.
In a third aspect, the present application provides an anchor berth allocation apparatus comprising a memory and a processor, the memory having stored thereon a computer program that is loadable by the processor and adapted to perform the method of any of the first aspects.
In a fourth aspect, the present application provides a computer readable storage medium storing a computer program capable of being loaded by a processor and performing the method according to any of the first aspects.
In summary, the present application includes at least one of the following beneficial technical effects:
the anchor berth allocation method is used for monitoring the state change of a berthing ship and a ship to be berthed in real time, and when the state change meets any trigger condition, the berth is reallocated for the ship to be berthed, so that berth optimization and updating of the ship to be berthed are realized, the berth utilization rate and the fragment time utilization rate of berth are improved to the greatest extent, and the unavailable time of berth fragments is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of an anchor allocation method in an embodiment of the present application.
FIG. 2 is a schematic diagram of specific contents of a general table of vessels to be referred to, a general table of vessels in berthing, a general table of berths and a distribution table in the embodiment of the application.
Fig. 3 is a logic block diagram corresponding to "reassign berths for all ships to be referred to" in step 103 in the embodiment of the present application.
Fig. 4 is a logic block diagram corresponding to "determining a target ship matching the target berth from the queue of ships to be referred to" in step 1032 in the embodiment of the present application.
Fig. 5 is a block diagram of an anchor allocation system according to an embodiment of the present application.
Description of reference numerals: 1. a ship information acquisition module; 2. a trigger condition determination module; 3. an anchor berth allocation module.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an anchor berth allocation method. The distribution method is used for distributing berths for ships and improving the utilization rate of the berths. The execution main body of the anchor berth distribution method is an anchor berth distribution system assisted by monitoring equipment; the monitoring equipment is used for monitoring the position of the ship so as to know the conditions of berthing, entering an anchor ground, leaving the anchor ground and the like of the ship; the monitoring equipment can specifically comprise a series of monitoring equipment such as a GIS system, an AIS system, an unmanned aerial vehicle and CCTV monitoring equipment; the anchor berth distribution system comprises a processor, a memory and communication equipment for realizing information intercommunication with the monitoring equipment.
The main operation flow of the anchor berth allocation method will be described in detail below with reference to fig. 1 and 2:
step 101, acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, each planned berthing period of the ships to be berthed and each planned berthing period of the ships to be berthed.
In the implementation, the ship is divided into two types according to the position of the ship, wherein one type is a ship at berth, which means the ship which enters an anchorage and is berthed at a designated berth; the other is a ship to be berthed, which refers to a ship which has issued an application to an anchoring ground and has been approved and qualified for port entry but has not yet entered the anchoring ground.
When a ship needs to apply for entering an anchor place, application information can be sent to an anchor place berth distribution system in forms of APP access and the like through an intelligent terminal, the application information can specifically contain planned berthing time intervals and ship attribute information, the attribute information is an identifier for distinguishing the ship, and specifically can include the name, model, image information and the like of the ship. The planned berthing period represents a time period during which the ship is planned to be berthed at a berth, and may be specifically represented in the form of a time interval, such as (9 hours-10 hours), where 9 hours is a starting time of the planned berthing period and 10 hours is an ending time of the planned berthing period.
After receiving the application information, the anchor berth distribution system determines whether the ship passes the approval or not based on the available berthing time periods of all current berths, and the approval aims to ensure that the ship entering the anchor berth can be distributed to one berth and avoid the situation that the ship can stop without berthing after entering the anchor berth; the specific approval rules are as follows: if the planned berthing time interval does not fall into the available berthing time interval of any berth, namely the available berthing time intervals of all berths cannot meet the requirement of the planned berthing time interval of the ship, the approval is not passed, otherwise, the approval is passed; for approved application information, the anchor berth distribution system determines the ship corresponding to the application information as a ship to be pointed, and adds the ship to be pointed and the application information corresponding to the ship to be pointed to a preset ship to be pointed to a general table (as shown in figure 2) for storage.
Monitoring equipment can be respectively arranged at the anchor ground inlet position and the anchor ground outlet position, all ships at the anchor ground inlet position, the anchor ground outlet position and the berth position are monitored in real time through the unmanned aerial vehicle and the CCTV monitoring equipment, and information detected by the monitoring equipment is received through the anchor ground berth distribution system, so that the attribute information of all the ships is obtained. When a ship to be pointed and moored enters an anchor ground, the anchor berth distribution system firstly adds the information of the ship to be pointed and moored into a preset in-mooring ship general table, and then deletes the information of the ship to be pointed and moored from the in-mooring ship general table.
Step 102, if the target acquisition time is present, so that the ship information meets any preset trigger condition, generating trigger information, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: the number of ships to be parked corresponding to the previous acquisition time is changed, and the number of ships to be pointed to be parked corresponding to the previous acquisition time is changed.
In implementation, the anchor berth distribution system acquires ship information in real time, a target acquisition time (namely trigger time) is any time point corresponding to the acquisition of the ship information, and the ship information acquired at the acquisition time can meet any trigger condition; the triggering conditions are manually set in advance and are conditions for executing subsequent steps in the berth allocation method, the triggering conditions disclosed in the embodiment of the application are shown in the following table, when the ship information meets any one of the following triggering conditions, the anchor berth allocation system generates triggering information, and the triggering information can be specifically a triggering signal; only when the trigger information is generated, the anchor berth allocation system executes the steps after the step 102 in the berth allocation method to reallocate berths for the ship to be referred to, and the fragment duration of the berths is fully utilized.
Trigger condition summary table
Figure 150250DEST_PATH_IMAGE001
For the triggering condition 1, if the monitoring equipment at the anchor ground entrance position monitors that a certain ship to be referred to is entering the anchor ground, at the moment, after the anchor ground berth distribution system receives the monitoring information, the ship to be referred to is determined to be a ship in berth, all information in the ship to be referred to general table is added into the ship in berth general table, and all the information in berth is deleted from the ship to be referred to general table. If the anchor berth distribution system receives cancellation plan information sent by a certain ship to be berthed, the ship to be berthed cancels a plan of entering an anchor area, the anchor berth distribution system deletes all information of the ship to be berthed from a general table of the ship to be berthed, and if the anchor berth distribution system receives new application information and determines the ship as the ship to be berthed after approval is passed, the situation is that the ship to be berthed is newly added.
For the triggering condition 2, the anchor berth allocation system compares the planned berthing time period with the current time based on the planned berthing time periods of all the ships to be berthed in the ship to be berthed general table, and if the current time is later than the starting time period of the planned berthing time period, the ship to be berthed is overdue.
For the triggering condition 3, the condition that the number of the ships in mooring changes is caused by the fact that the ships in mooring leave the anchoring ground, and the berths occupied by the ships in mooring are released when the ships leave the anchoring ground, namely, a berth for berthing the ships is newly added; and the actual time of leaving the anchorage of the mooring vessel can be divided into a case of leaving the anchorage in advance and a case of leaving the anchorage on time; the anchor berth distribution system can receive monitoring information of the monitoring equipment at the exit position of the anchor berth to obtain the actual departure time of the berthing ship, compare the ending time of the planned berthing time period of the berthing ship with the actual departure time based on the berthing ship general table, if the actual departure time of the berthing ship is earlier than the ending time of the planned berthing time period, the berthing ship leaves the anchor berth in advance, if the actual departure time of the berthing ship is later than the ending time of the planned berthing time period and the time difference between the actual departure time and the ending time of the planned berthing time period is within a specified difference range, the anchor berth distribution system leaves the anchor berth in time, and for the berthing ship leaving the anchor berth, the anchor berth distribution system deletes all information of the berthing ship in the berthing ship general table.
For the triggering condition 4, the anchor berth distribution system compares all the planned berthing periods of the berthing ships in the berthing ship general table with the current time, receives the monitoring information of the monitoring equipment at the anchor outlet position in real time, and if the monitoring information about the berthing ships monitored by the monitoring equipment at the anchor outlet position is not received in a specified time difference range after the end time of the planned berthing period, the berthing ships leave the anchor ground in a postponed way.
103, when the trigger information is received, based on the ship information corresponding to the trigger time, reallocating berths to all the ships to be berthed, determining all the ships to be berthed and corresponding berth corresponding relations, updating a preset distribution table by using the corresponding relations, and feeding back the distribution table.
In implementation, after receiving the generated trigger information, the anchor berth allocation system reallocates berths for all ships to be berthed according to ship information acquired at the trigger time, and the corresponding relation between the ships to be berthed and the corresponding berths formed after allocation is used for updating a preset allocation table; the distribution table is used for storing information of all the ships to be berthed and the assigned berths thereof, and specifically can comprise attribute information of the ships to be berthed, planned berthing time period, corresponding berth numbers of the berths and the like, and the anchor berth distribution system determines the berths corresponding to the ships to be berthed from the current distribution table when any one of the ships to be berthed enters an anchor ground, and feeds the berths back to the ships to be berthed. The specific feedback mode may be: the anchor berth distribution system pushes and sends corresponding berth information to the ship to be berthed entering the anchor by means of short messages and the like, or directly displays the distribution table on an APP or a webpage associated with the anchor berth distribution system, so that a crew can conveniently know the corresponding berth information when visiting an APP or webpage interface.
The following will explain in detail how to reassign berths to a ship to be referred to as a berth.
Optionally, the step 103 of "reassigning berths for all ships to be referred to" includes the following sub-steps:
step 1031, determining the parking space time interval of each berth in the berth queue and the berth queue, and determining a ship queue to be fingered; the queue of the ship to be pointed to berth at least comprises attribute information of the ship to be pointed to berth and a corresponding planned berthing time period;
in practice, before allocating berths for a ship to be referred to, it is necessary to determine which of the available berths are available and the neutral time interval of each berth, where the neutral time interval is the available berth time interval of the aforementioned berths and is expressed by a time interval; accordingly, the "determining the parking space period for each of the berth queues and the berth queues" in step 1031 includes the steps of:
monitoring whether each berth exists in a berth, adding the berths which do not exist in the berth to a preset berth queue, and determining a free position time interval of the berth based on the triggering moment;
and for the berth existing in the berth, determining whether the berth is delayed for departure or not based on the planned berthing time period and the triggering time of the berth, if not, adding the corresponding berth to the berth queue, and determining the neutral position time period of the berth based on the corresponding planned berthing time period.
In the implementation, a berth general table is prestored in the anchor berth distribution system, berth numbers of all berths and the berth state of each berth are stored in the berth general table, and the specific content of the berth state is divided into two conditions, wherein the specific content of the berth state is NULL, which represents that the corresponding berth is vacant and does not berth a berthing ship; secondly, the specific content of the berthing state comprises the attribute information of the berthing ship and the corresponding planned berthing time interval, which indicates that the berthing ship is berthed.
At the triggering moment, the anchor berth distribution system can determine the berthing states of all the berths by calling the berthing general table, add the berthing numbers of the berths which do not exist in the berthing ship into a preset berthing queue, and determine the neutral time period of the berthing as (triggering moment, + ∞); for a berth existing at a berth, the anchor berth allocation system determines whether the berth on the berth is delayed to leave the anchor (the specific determination method is already explained in the foregoing and is not described again), and if not, the anchor berth allocation system adds the corresponding berth to the berth queue and determines the neutral period of the berth as (the end time of the corresponding planned berth period, plus infinity).
Optionally, before allocating a berth to a ship to be berthed, all ships to be berthed participating in berth matching need to be determined, because if a certain ship to be berthed is about to enter an anchor ground, if a new berth is allocated to the ship to be berthed again at the moment, a situation of disordered berth allocation can be caused; to this end, "determining a queue to be referred to as mooring" in step 1031 includes the steps of:
and calculating the time difference between the starting time and the triggering time of the planned mooring time period of each ship to be moored, and updating the preset queue of the ships to be moored according to the attribute information corresponding to all the ships to be moored with the time difference larger than the preset difference and the expected mooring time period of the ships to be moored.
In implementation, the anchor berth allocation system may calculate a time difference between a planned berthing time and a triggering time of each ship to be berthed in the ship to be berthed general table, and then compare the time difference with a preset difference, where the preset difference is a manually set time length, and the specific setting basis may be: the anchor berth distribution system determines the berth corresponding to the ship to be pointed according to the distribution table and deletes the corresponding berth from the berth queue; all the ships to be pointed and berthed with the time difference value larger than the preset difference value are added to a preset ship queue to be pointed and participate in subsequent berth distribution by the anchor berth distribution system; the queue to be berthed is a queue formed by all the ships to be berthed, which need to be redistributed, and the specific content comprises the attributes of the ships to be berthed and the corresponding expected berthing time period.
And step 1032, selecting a target berth from the berth queue according to a preset berth matching sequence, determining a target ship matched with the target berth from the ship queue to be berthed, and stopping selection until the berth distribution of all ships to be berthed in the ship queue to be berthed is completed.
Referring to fig. 3, in the implementation, the order of the berth matching is not artificially set, and is an order of the berth numbers. The anchor berth distribution system can sort all berth information in the berth queues according to the berth matching sequence, and then select target berths one by one according to the berth sequence in the berth queues (i in fig. 3 represents the sequence of the target berths in the berth queues), wherein the target berths are any berths in the berth queues, and target ships are ships to be fingered and can be berthed on the target berths; the anchor berth distribution system selects a target ship from the ship queue to be designated for the target berth, the distribution operation of the target berth is completed after the target berth is selected, then the anchor berth distribution system continues to select the next target berth for berth distribution until the berth distribution of all ships to be designated in the ship queue to be designated is completed, and the anchor berth distribution system empties the ship queue to be designated after the berth distribution of all the ships to be designated is completed.
Referring to fig. 4, specifically, the step 1032 of "determining a target ship matched with the target berth from the to-be-pointed berthing ship queue" includes the following operation steps:
screening out the ships to be fingered within the neutral time interval of the target berth in the planned berth time interval from the queues to be fingered to form a fingering queue, and sequencing the fingering queue according to the sequence of the starting time of the planned berth time interval;
starting from the second ship to be fingered in the fingering queue, sequentially judging whether the starting time of the corresponding planned berthing time interval is later than the ending time of the planned berthing time interval of the previous ship to be fingered;
if yes, continuing to judge the next ship to be fingered until the judgment of all the ships to be fingered in the fingering queue is completed; if not, determining the current ship to be pointed to berth as the ship to be removed, and continuing to judge the next ship to be pointed to berth until the judgment of all the ships to be pointed to berth in the pointing berth queue is completed;
and removing all ships to be removed, determining all ships to be pointed in the current pointing and mooring queue as target ships of the target berth, storing the corresponding relation between the target ships and the target berth, and removing the ships to be pointed corresponding to the target ships from the ship queue to be pointed.
In implementation, when the target berth is matched with the corresponding target ship, the anchor berth distribution system screens out the ships to be berthed within the neutral time interval of the target berth in the planned berth time interval from the queues to be berthed according to the neutral time interval of the target berth, and the ships to be berthed are combined to form a berthing queue, wherein the berthing queue comprises the attribute information of the ships to be berthed and the corresponding planned berthing time interval.
Then, the anchor berth distribution system sequences all the information of the ships to be assigned in the assigned berth queue according to the sequence of the starting time of the planned berthing time interval, and then judges whether the starting time of the planned berthing time interval corresponding to the ship to be assigned berths is later than the ending time of the planned berthing time interval of the ship to be assigned berths (N in figure 4 represents the sequence of the ships to be assigned berths in the assigned berth queue, and the initial value of N is 2), if so, the planned berthing time intervals of the front and the rear ships to be assigned berths are not overlapped, if not, the ship to be assigned berths is determined as the ship to be removed, then the next ship to be assigned berths is continuously judged until all the ships to be assigned berths in the assigned berth queue are judged, all the ships to be removed from the assigned berths are removed, and all the ships to be assigned berths left in the assigned berths are all the target berths corresponding to the target berths finally, so that the ships to be matched with the target berths are completed, and the target ships do not participate in the subsequent berths; the anchor berth distribution system deletes the information corresponding to the target ship from the ship queue to be assigned for berthing and updates a distribution table by using the information of the target ship and the information of the target berth; after the ship matching of the target berth is completed, the generated berthing queue is deleted to release the storage space of the system.
Optionally, when the anchor berth allocation system sequences all the ships to be berthed in the berthing queue according to the starting time of the planned berthing time period, if there are a plurality of ships to be berthed in the berthing queue, where the starting times of the planned berthing time period are the same, then only one of the ships to be berthed may berth at the corresponding target berth, and therefore, the anchor berth allocation system needs to process the ships to be berthed to select out one ship to be berthed from the ships to be berthed in the berthing queue, and remove the berthing queue from the other ships to be berthed, so as to ensure that the starting times of the planned berthing time periods of all the ships to be berthed in the berthing queue are unique.
For this reason, "sorting the berthing-indicating queues according to the sequence of the starting time of the planned berthing period" in step 1032 specifically includes the following operations:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
if a plurality of first ships exist in the berthing queue, and the first ships meet the following conditions: the starting time of the planned parking period is consistent; then, based on a preset long-period optimization method, the first ships except the first ship with the longest planned berthing period are removed from the berthing queue until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
In practice; the first ship represents all ships to be berthed in the berthing-indicating queue with the same starting time of the planned berthing time period, and the preset long-time period optimization method is a preset selection algorithm which is used for selecting the only ship to be berthed from the first ships. The specific rule of the long-time optimization method is as follows: selecting the ship to be fingered and moored with the longest planned mooring period; that is, when there are a plurality of first vessels having the same starting time of the planned berth period, the anchor berth distribution system retains the first vessel having the longest planned berth period in the fingering queue, removes the remaining first vessels from the fingering queue, and the first vessel removed from the fingering queue will participate in the matching of the next berth.
Optionally, the content of the step of "sorting the berthing-indicating queues according to the sequence of the starting time of the planned berthing period" in the step 1032 further includes the following operations:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
if a plurality of first ships exist in the berthing queue, and the first ships meet the following conditions: the starting time of the planned parking period is consistent; the first ships except the first ship with the shortest planned berthing period are removed from the berthing queue based on a preset short-time period preference method until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
In practice, the predetermined short period preference method is a predetermined alternative algorithm for selecting a single ship to be moored from the first ships. The specific rule of the short-time optimization method is as follows: selecting a ship to be fingered to park in the shortest planned parking period; that is, when there are a plurality of first vessels having the same starting time of the planned berth period, the anchor berth allocation system retains the first vessel having the shortest planned berth period in the fingering queue, removes the remaining first vessels from the fingering queue, and the first vessel removed from the fingering queue will participate in the matching of the next berth.
Optionally, the content of the step of "sorting the berthing-indicating queues according to the sequence of the starting time of the planned berthing period" in the step 1032 further includes the following operations:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
if a plurality of first ships exist in the berthing queue; generating a first berthing queue based on the long-period preference method and generating a second berthing queue based on the short-period preference method; respectively calculating the berth utilization rate corresponding to the first berth directing queue and the berth utilization rate corresponding to the second berth directing queue based on a preset calculation rule;
if the berth utilization rate corresponding to the first berth directing queue is not less than the berth utilization rate of the second berth directing queue, taking the first berth directing queue as a berth directing queue; otherwise, the second finger-mooring queue is used as the finger-mooring queue.
In practice, the berth utilization rate indicates the sum of the duration of the planned berthing period of all the vessels at the berth divided by the total berth berthing duration for a specified period of time (e.g., 24 hours); specifically, if the berth A1 is berthed during 10 months 1, 1 days 0-10 months 1, 24 days, the ship M1 (planned berthing period is (0 hours-4 hours)), the ship M2 (planned berthing period is (5 hours-10 hours)), the ship M3 (planned berthing time is (10 hours-16 hours)), and the ship M4 (planned berthing time is (19 hours-24 hours)); then the berth utilization rate of the berth A1 = the total length/24 hours of the estimated berthing period of the ships M1, M2, M3, M4, and preferably the high berth utilization rate is used as a berthing directing queue; if the berth utilization rates are the same, the anchor berth distribution system can determine the queue corresponding to the shortest fragment unavailable duration as a berthing-directing queue by judging the fragment unavailable duration; the debris unavailability duration is duration that the berth is not affiliated to the ship within a specified time period, for example, the debris unavailability duration of the berth A1 during the period from 0 at 10 months 1 day to 24 at 10 months 1 day is 4 hours.
In summary, the anchor berth allocation method is used for monitoring the state change of a berthing ship and a ship to be pointed, when the state change meets any trigger condition, the berth is reallocated for the ship to be pointed, the berth optimization and updating of the ship to be pointed are realized, the berth utilization rate and the fragment time utilization rate of the berth are improved to the greatest extent, and the unavailable time of the fragments of the berth is reduced.
The embodiment of the application also discloses an anchor ground berth distribution system. Referring to FIG. 5, an anchor berth distribution system includes:
the ship information acquisition module 1 is used for acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, the planned berthing time period of each ship to be berthed and the planned berthing time period of each ship to be berthed;
the trigger condition judgment module 2 is used for generating trigger information when the ship information meets any preset trigger condition at the target acquisition time, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: the number of ships to be parked corresponding to the previous acquisition time at the target acquisition time is changed, and the number of ships to be pointed to be parked corresponding to the previous acquisition time at the target acquisition time is changed;
and the anchor berth distribution module 3 is used for redistributing berths for all ships to be berthed based on the ship information corresponding to the triggering moment when the triggering information is received, determining all the ships to be berthed and corresponding berth corresponding relations thereof, updating a preset distribution table by using the corresponding relations, and feeding back the distribution table.
Optionally, the anchor berth allocation module 3 is further configured to determine the berth queues and the free interval of each berth in the berth queues, and determine a to-be-fingered berth train; the queue of the ship to be pointed to berth at least comprises attribute information of the ship to be pointed to berth and a corresponding planned berthing time period; selecting a target berth from the berth queue according to a preset berth matching sequence, and selecting a target ship matched with the target berth from the ship queue to be berthed until the berth distribution of all ships to be berthed in the ship queue to be berthed is completed, and stopping the selection; the system is also used for screening out the ships to be fingered within the free period of the target berth in the planned berth period from the queues to be fingered to form a fingering queue, and sequencing the fingering queue according to the sequence of the starting time of the planned berth period; the system is also used for sequentially judging whether the starting time of the corresponding planned mooring time interval is later than the ending time of the planned mooring time interval of the previous ship to be berthed from the second ship to be berthed in the berthing queue; if yes, continuing to judge the next ship to be fingered until the judgment of all the ships to be fingered in the fingering queue is completed; if not, determining the current ship to be pointed to berth as the ship to be removed, and continuing to judge the next ship to be pointed to berth until the judgment of all the ships to be pointed to berth in the pointing berth queue is completed; and the system is also used for removing all ships to be removed, determining all ships to be pointed in the current pointing queue as target ships of the target berth, storing the corresponding relation between the target ships and the target berth, and removing the ships to be pointed corresponding to the target ships from the ship queue to be pointed.
Optionally, the anchor berth allocation module 3 is further configured to sort the berthing-indicating queues according to the sequence of the starting time of the planned berthing time period; also for the presence of a number of first vessels in the berthing line, and the first vessels satisfying: and when the starting time of the planned berthing period is consistent, removing the first ships except the first ship with the longest planned berthing period from the berthing queue based on a preset long-period optimization method until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
Optionally, the anchor berth allocation module 3 is further configured to sort the berthing-indicating queues according to the sequence of the starting time of the planned berthing time period; also for the presence of a number of first vessels in the fingerhold queue, and the first vessels satisfy: and when the starting time of the planned berthing period is consistent, removing the first ships except the first ship with the shortest planned berthing period from the berthing queue based on a preset short-period optimization method until the starting time of the planned berthing period of all the ships to be berthed in the berthing queue is unique.
Optionally, the anchor berth allocation module 3 is further configured to sort the berthing-indicating queues according to the sequence of the starting time of the planned berthing time period; the ship berthing system is also used for generating a first berthing queue based on a long-period preference method and a second berthing queue based on a short-period preference method when a plurality of first ships exist in the berthing queue; respectively calculating the berth utilization rate corresponding to the first berth directing queue and the berth utilization rate corresponding to the second berth directing queue based on a preset calculation rule; the first berth directing queue is used as a berth directing queue when the berth utilization rate corresponding to the first berth directing queue is not less than the berth utilization rate of the second berth directing queue; otherwise, the second finger-mooring queue is used as the finger-mooring queue.
Optionally, the anchor berth allocation module 3 is further configured to monitor whether each berth exists in a berth, add the berth that does not exist in the berth to a preset berth queue, and determine a neutral time period of the berth based on the trigger time; and the system is also used for determining whether the ship is delayed to leave the port based on the planned berthing time period and the triggering moment of the ship, if not, adding the corresponding berth to the berth queue, and determining the neutral time period of the berth based on the corresponding planned berthing time period.
Optionally, the anchor berth allocation module 3 is further configured to calculate a time difference between a starting time and a triggering time of a planned berthing time period of each ship to be berthed, and update the preset queue of the ships to be berthed with the attribute information corresponding to all the ships to be berthed, of which the time difference is greater than the preset difference, and the expected berthing time period of the attribute information.
The embodiment of the application further discloses an anchor berth allocation device, which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the anchor berth allocation method.
The embodiment of the present application further discloses a computer-readable storage medium, which stores a computer program that can be loaded by a processor and execute the anchor berth allocation method as described above, and the computer-readable storage medium includes, for example: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk, or other various media capable of storing program codes.
The above examples are only used to illustrate the technical solutions of the present application, and do not limit the scope of protection of the application. It is to be understood that the embodiments described are only some of the embodiments of the present application and not all of them. All other embodiments, which can be derived by a person skilled in the art from these embodiments without inventive step, are intended to be within the scope of the present application.

Claims (10)

1. An anchor berth allocation method, comprising:
acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, each planned berthing time period of the ships to be berthed and each planned berthing time period of the ships to be berthed;
if the target acquisition time is present, so that the ship information meets any preset trigger condition, generating trigger information, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed, and when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed;
when receiving the trigger information, based on the ship information corresponding to the trigger time, reallocating berths for all ships to be berthed, determining all ships to be berthed and corresponding berth corresponding relations, updating a preset distribution table by using the corresponding relations, and feeding back the distribution table.
2. The method of claim 1, wherein said reassigning berths for all vessels to be fingered comprises:
determining a berth queue and a free position time interval of each berth in the berth queue, and determining a to-be-fingered berth queue; the ship queue to be pointed to berth at least comprises attribute information of the ship to be pointed to berth and a corresponding planned berthing time period;
selecting a target berth from the berth queue according to a preset berth matching sequence, determining a target ship matched with the target berth from the ship queue to be assigned, and stopping selection until the berth allocation of all ships to be assigned in the ship queue to be assigned is completed;
the step of determining the target ship matched with the target berth from the ship queue to be directed comprises the following steps:
screening out ships to be fingered within the neutral time period of the target berth in the planned berth time period from the queues to be fingered to form a fingering queue, and sequencing the fingering queue according to the sequence of the starting time of the planned berth time period;
starting from the second ship to be fingered in the fingering queue, sequentially judging whether the starting time of the corresponding planned berthing time interval is later than the ending time of the planned berthing time interval of the previous ship to be fingered;
if yes, continuing to judge the next ship to be fingered until the judgment of all the ships to be fingered in the fingering queue is completed; if not, determining the current ship to be pointed to berth as the ship to be removed, and continuing to judge the next ship to be pointed to berth until the judgment of all the ships to be pointed to berth in the pointing berth queue is completed;
removing all the ships to be removed from the fingering queue, determining all the ships to be fingered in the current fingering queue as target ships of the target berth, storing the corresponding relation between the target ships and the target berth, and removing the target ships from the queue to be fingered.
3. The method of anchor berth allocation according to claim 2, wherein the berthing queues are ordered in chronological order of the start times of the planned berthing periods; the method comprises the following steps:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
when a plurality of first ships exist in the berthing queue, the first ships satisfy the following conditions: the starting time of the planned parking period is consistent; removing the first ships except the first ship with the longest planned berthing period from the berthing queue based on a preset long-period preference method; the starting time of the planned berthing period until all ships to be berthed in the berthing queue is unique.
4. The method of anchor berth allocation according to claim 3, wherein the berthing queues are ordered in chronological order of the start times of the planned berthing periods; the method comprises the following steps:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
when a plurality of first ships exist in the berthing queue, the first ships satisfy the following conditions: the starting time of the planned parking period is consistent; removing the first ships except the first ship with the shortest planned berthing time period from the berthing queue based on a preset short-time period preference method; the starting time of the planned berthing period until all ships to be berthed in the berthing queue is unique.
5. The anchor berth allocation method of claim 4, wherein the berthing queues are ordered in chronological order of the start times of the planned berthing periods; the method comprises the following steps:
sequencing the berthing queues according to the sequence of the starting time of the planned berthing time period;
when a plurality of first ships exist in the berthing queue; generating a first berthing queue based on the long-period preference method and generating a second berthing queue based on the short-period preference method;
respectively calculating the berth utilization rate corresponding to a first berthing queue and the berth utilization rate corresponding to a second berthing queue based on a preset calculation rule;
if the berth utilization rate corresponding to the first berth directing queue is not smaller than the berth utilization rate of the second berth directing queue, taking the first berth directing queue as a berth directing queue; otherwise, the second berth queue is used as the berth queue.
6. The anchor berth allocation method of claim 2, wherein the determining of the berth queues and the free period for each berth in the berth queues comprises:
monitoring whether each berth exists in the berth, adding the berths which do not exist in the berth to a preset berth queue, and determining a free position time interval of the berth based on the triggering moment;
and for the berth existing in the berth, determining whether the berth is delayed for departure or not based on the planned berthing time period and the triggering time of the berth, if not, adding the corresponding berth to the berth queue, and determining the neutral position time period of the berth based on the corresponding planned berthing time period.
7. The method of claim 2, wherein determining a queue to be fingered comprises:
and calculating the time difference between the starting time of the planned mooring time period of each ship to be moored and the triggering time, and updating the attribute information corresponding to all the ships to be moored with the time difference larger than the preset difference and the expected mooring time period of the ships to be moored to a preset ship queue to be moored.
8. An anchor berth distribution system, comprising:
the ship information acquisition module (1) is used for acquiring ship information in real time; the ship information at least comprises the number of ships to be berthed, each planned berthing time period of the ships to be berthed and each planned berthing time period of the ships to be berthed;
the trigger condition judging module (2) is used for generating trigger information when the target acquisition time enables the ship information to meet any preset trigger condition, and determining the target acquisition time as the trigger time; wherein the trigger condition at least comprises: when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed, and when the target acquisition time is relative to the previous acquisition time, the corresponding number of ships to be berthed is changed;
and the anchor berth distribution module (3) is used for redistributing berths for all the ships to be berthed based on the ship information corresponding to the trigger moment when receiving the trigger information, determining corresponding relations between all the ships to be berthed and the berths corresponding to the ships to be berthed, updating a preset distribution table by using the corresponding relations, and feeding back the distribution table.
9. An anchor berth allocation apparatus comprising a memory and a processor, the memory having stored thereon a computer program that is loadable by the processor and operable to perform the method of any of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 7.
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