CN115187149A - Vehicle warehousing and ex-warehouse scheduling method - Google Patents
Vehicle warehousing and ex-warehouse scheduling method Download PDFInfo
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Abstract
The invention relates to a method for scheduling product production through computer software in an internet environment, in particular to a vehicle warehousing and ex-warehouse scheduling method, which comprises the following steps: moving the vehicle in storage from the coating area to the confluence area and sending a signal to a control center; the control center compares and judges the synchronous production numbers of the warehoused vehicles in the confluence area with the synchronous production numbers of the tail vehicles on the plurality of tracks, and respectively sends a moving-out indication signal and a moving-in indication signal to the confluence area and the track area; the merging area moves the vehicles in storage out, and the track area moves the vehicles in storage into a track specified by the control center; the control center selects a plurality of vehicles which are positioned at the forefront of each track in the track area and do not make carrying-out decision to form a carrying-out vehicle group and selects the vehicle with the minimum production number in the same period as the carrying-out vehicle; the invention provides a method for controlling a vehicle to enter a general assembly workshop according to a moving-out plan generated by a control center.
Description
Technical Field
The invention relates to a method for scheduling product production through computer software in an internet environment, in particular to a method for scheduling vehicles to enter and leave a warehouse through a computer program in the automobile coating and final assembly production stages.
Background
In the high-precision automobile production process, a temporary automobile body storage area is needed between coating and final assembly, and the control center sends an indication signal to a production scheduling system according to a production plan to guide the vehicles in the storage area to enable the vehicles to be produced in sequence according to a specific rule.
In the middle, the method of vehicle warehousing and ex-warehouse scheduling determines the efficiency of production scheduling, thereby influencing the production rhythm, the product quality, the inventory backlog and the like of the whole production system. The conventional vehicle warehousing and ex-warehouse scheduling method is disordered, so that accidents often occur in the production process, the production rhythm is slowed down, the vehicle warehousing and ex-warehouse scheduling method is not in support of a synchronization production mode, the time compliance rate of vehicle production is difficult to guarantee, and the scheduling efficiency is low. And the lane is not newly increased or reduced in the vehicle body storage area. If the input or output signal is lost, the abnormal state of the signal cannot be automatically repaired, and the production is stopped. The signal interaction time sequence of the control center and the production scheduling system is fixed, and configuration is not supported.
Disclosure of Invention
The invention provides a vehicle warehousing and ex-warehouse scheduling method for solving the defects and shortcomings processed by the prior art.
In order to achieve the aim, the technical scheme adopted by the invention is a vehicle warehousing and ex-warehouse scheduling method, which is realized based on a production scheduling system for synchronous production, the system comprises a control center, and a coating area, a confluence area, a track area and a final assembly area which are connected with the control center in a signal manner and arranged in sequence, wherein the track area comprises a plurality of tracks, the coating area is used for vehicle management of vehicle coating operation, the confluence area is used for storing warehousing vehicles, the track area is used for storing and adjusting the sequence of the warehousing vehicles, and the final assembly area is used for vehicle management of the final assembly operation,
the method comprises the following steps:
s1: moving the warehousing vehicles from the coating area into the confluence area and sending signals to a control center;
s2: the control center compares and judges the synchronous production numbers of the vehicles entering the garage in the confluence area with the synchronous production numbers of the last vehicles on a plurality of tracks in the track area, and respectively sends out and in indication signals to the confluence area and the track area so as to carry the vehicles entering the garage into the appointed track;
s3: the merging area moves the warehousing vehicles out according to the moving-out indication signal, and the track area moves the warehousing vehicles into a track specified by the control center according to a moving-in indication signal so as to warehouse the warehousing vehicles;
s4: the control center selects a plurality of vehicles which are positioned at the forefront of each track in the track area and do not make a carrying-out decision to form a carrying-out vehicle group;
s5: the control center selects the vehicle with the smallest production number in the same period from the carried-out vehicle group as a carried-out vehicle and generates a carried-out plan;
s6: the delivery vehicle is delivered to the assembly area through the track area according to a delivery plan generated by the control center.
Preferably, the step S1 is that the vehicles entering the garage are moved from the painting area to the merging area, the painting area sends a vehicle moving-out signal and a synchronous production number of the vehicles entering the garage to the control center, and the merging area sends a vehicle moving-in signal and a synchronous production number of the vehicles entering the garage to the control center.
Preferably, the step S2 is that the control center compares the contemporaneous production number of the parked vehicle located in the merging area with the contemporaneous production number of the last vehicle on the plurality of tracks, and if the contemporaneous production number of the parked vehicle is greater than the contemporaneous production number of the last vehicle on a certain track, a decision is made to move the parked vehicle from the merging area to the track where the contemporaneous production number of the last vehicle is less than the contemporaneous production number of the parked vehicle, and a move-out indication signal and a move-in indication signal are respectively sent to the merging area and the track area, otherwise, a decision is made to move the parked vehicle from the merging area to the track with the highest priority according to the priority of the track, and a move-out indication signal and a move-in indication signal are respectively sent to the merging area and the track area.
Preferably, the step S2 further includes, if the synchronous production number of the warehousing vehicle is greater than the synchronous production number of the last vehicle on the plurality of tracks, the control center making a decision to move the warehousing vehicle into the track with the smallest difference between the synchronous production number of the last vehicle and the synchronous production number of the warehousing vehicle, and sending the moving-out instruction signal and the moving-in instruction signal to the merging area and the track area.
Preferably, the step S2 further includes the step of the control center not making a decision to carry the garage-in vehicle into the track if the parking space on the track is full.
Preferably, the S5 further includes that the production scheduling system further includes a return area for storing vehicles returned to the merging area, and if the vehicle selected by the control center is not the vehicle with the smallest contemporaneous production number in the group of vehicles that are moved out, the vehicle with the smallest contemporaneous production number in the group of vehicles that are moved out is moved into the return area, and then is moved into the merging area to be warehoused again.
Preferably, a loading area in signal connection with a control center is arranged between the coating area and the confluence area, and the loading area is used for arranging vehicles carried in from the coating area in sequence, the method further comprises S0, the S0 is used for carrying the vehicles in storage from the coating area into the loading area, and the loading area sequences the vehicles in storage and sends a vehicle carrying-in signal and the synchronous production number of the vehicles in storage to the control center.
Preferably, the S6 further includes that the production scheduling system further includes a bifurcation area and a buffer area which are disposed behind the track area and are in signal connection with the control center, the bifurcation area is used for storing vehicles moved out of the track area, the buffer area is used for storing prepared vehicles required for assembly production, the moved-out vehicles are moved out to the bifurcation area and the buffer area through the track area according to a movement-out plan generated by the control center, and after waiting for moving out of a plurality of moved-out vehicles to form a planned vehicle group, vehicles in the planned vehicle group are sequentially moved into the assembly area to perform assembly operation.
Preferably, a loading point is arranged between the coating area and the loading area, a merging point is arranged between the loading area and the merging area, a moving point is arranged between the merging area and the track area, a moving point is arranged between the track area and the diverging area, a diverging point is arranged between the diverging area and the returning area or between the diverging area and the buffer area, and the loading point, the merging point, the moving point and the moving point are all used for parking vehicles.
The invention has the beneficial effects that:
the invention provides a vehicle warehousing and ex-warehouse scheduling method, which can ensure that vehicles can enter vehicles in a sequence strictly following the production numbers in the same period when the vehicles flow into a general assembly workshop, thereby achieving the aim of keeping the production sequence of the vehicles consistent with the planned sequence, ensuring the time adherence rate of vehicle production, achieving the synchronous production of the vehicles and further ensuring the production rhythm and quality of the whole production system.
Drawings
FIG. 1 is a schematic diagram of a production scheduling system based on synchronized production for a vehicle warehousing and ex-warehouse scheduling method according to the present invention;
fig. 2 is a step diagram of a vehicle warehousing and ex-warehouse scheduling method provided by the invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the embodiment is based on the direction of fig. 1.
As shown in fig. 1 and fig. 2, the invention provides a vehicle warehousing and ex-warehouse scheduling method, which is realized based on a production scheduling system for synchronous production, the system comprises a control center, and a painting area 1, a confluence area 3, a track area 6 and a final assembly area 9 which are connected with the control center in a signal manner and sequentially arranged, wherein the track area 6 comprises a plurality of tracks, the painting area 1 is used for vehicle management of vehicle painting operation, the confluence area 3 is used for storing warehousing vehicles, the track area 6 is used for storing and adjusting the sequence of warehousing vehicles, the final assembly area 9 is used for vehicle management of final assembly operation,
the method comprises the following steps:
s1: moving the vehicles in storage from the coating area 1 into the confluence area 3 and sending signals to a control center;
s2: the control center compares and judges the synchronous production numbers of the warehoused vehicles positioned in the merging area 3 with the synchronous production numbers of the tail vehicles on a plurality of tracks in the track area 6, and respectively sends out and in indication signals to the merging area 3 and the track area 6 so as to carry the warehoused vehicles into the designated track;
s3: the confluence area 3 carries the warehousing vehicles out according to the carrying-out indication signal, and the track area 6 carries the warehousing vehicles into a track specified by the control center according to the carrying-in indication signal so as to warehouse the warehousing vehicles;
s4: the control center selects a plurality of vehicles which are positioned at the forefront of each track in the track area 6 and do not make carrying-out decision to form a carrying-out vehicle group;
s5: the control center selects the vehicle with the minimum production number in the same period from the moved-out vehicle group as a moved-out vehicle and generates a moved-out plan;
s6: the outgoing vehicle is carried to the assembly area 9 via the track area 6 according to an outgoing plan generated by the control center.
After the vehicle is put into production, the vehicle firstly operates in a welding workshop, then passes through the coating workshop 1 and finally enters the final assembly workshop 9. If the sequence of the same-term numbers of the vehicles before flowing out of the painting workshop 1 is changed, the vehicles are reordered on the basis of the production scheduling system through the method, and the vehicles can be ensured to enter the assembly workshop 9 strictly following the sequence of the same-term production numbers. Therefore, the purpose that the production sequence of the vehicles is consistent with the planning sequence is achieved, the time compliance rate of vehicle production is guaranteed, and synchronous production of the vehicles is achieved. Thereby ensuring the production rhythm and quality of the whole production system.
The method realizes efficient scheduling management of the vehicles by utilizing the synchronous production numbers.
The number of the tracks can be adjusted according to the production requirement, and in one embodiment, the tracks are sequentially arranged into seven tracks.
Preferably, S1 is to move the parked vehicle from the painting zone 1 into the confluence zone 3, the painting zone 1 sends a vehicle moving-out signal and a contemporaneous production number of the parked vehicle to the control center, and the confluence zone 3 sends a vehicle moving-in signal and a contemporaneous production number of the parked vehicle to the control center.
Preferably, the step S2 is that the control center compares the synchronous production number of the parked vehicle located in the merging area 3 with the synchronous production number of the last vehicle on a plurality of tracks, if the synchronous production number of the parked vehicle is greater than the synchronous production number of the last vehicle on a certain track, a decision is made to move the parked vehicle from the merging area 3 to the track where the synchronous production number of the last vehicle is less than the synchronous production number of the parked vehicle, and a move-out indication signal and a move-in indication signal are respectively sent to the merging area 3 and the track area 6, otherwise, a decision is made to move the parked vehicle from the merging area 3 to the track with the highest priority according to the priority of the track, and a move-out indication signal and a move-in indication signal are respectively sent to the merging area 3 and the track area 6.
And if the synchronous production numbers of the vehicles entering the garage are smaller than the synchronous production numbers of the tail vehicles on all the tracks, making a decision to move the vehicles entering the garage from the confluence area 3 to the track with the highest priority according to the priority of the track. The track priority in the invention can be configured according to the needs of users. The track priority in this embodiment is determined based on the presence or absence of a vehicle on the track and the track number. The track priority of no vehicle is higher than the track priority of the vehicle; in the rail without vehicles, the smaller the rail sequence number, the higher the priority; in the track with the vehicle, the smaller the track number, the higher the priority.
For example: the warehousing vehicle synchronous production number of the confluence area 3 is 0100, the synchronous production numbers of the last vehicles on the tracks with the vehicles are all larger than 0100, the first track and the second track are tracks without vehicles, and at the moment, the first track is taken as the moving-in track of the warehousing vehicles.
Preferably, the step S2 further includes, if the synchronous production number of the warehousing vehicle is greater than the synchronous production number of the last vehicle on the plurality of tracks, the control center making a decision to move the warehousing vehicle into the track with the smallest difference between the synchronous production number of the last vehicle and the synchronous production number of the warehousing vehicle, and sending the moving-out instruction signal and the moving-in instruction signal to the merging area 3 and the track area 6.
For example: the synchronous production number of the warehousing vehicles in the confluence area 3 is 0100, the synchronous production number of the tail vehicle of the track one is 0099, and the synchronous production number of the tail vehicle of the track two is 0098, at this time, the track one is taken as the moving-in lane of the warehousing vehicles.
Preferably, the step S2 further includes the step of the control center not making a decision to carry the storage vehicle into the track if the parking space on the track is full. The vehicles entering the flow merging area 3 temporarily stay in the flow merging area 3.
Preferably, the S5 further includes a return area 10 for storing vehicles returned to the merging area 3, and if the outgoing vehicle selected by the control center is not a vehicle with the smallest contemporaneous production number among the group of outgoing vehicles, the vehicle with the smallest contemporaneous production number among the group of outgoing vehicles is carried into the return area 10, and then carried into the merging area 3 for storage again.
For example: the first trolley of the first track is provided with the synchronous production number 0100, the second trolley is provided with the synchronous production number 9501, at the moment, if the vehicles with the synchronous production number 9501 need to be moved out to the general assembly workshop 9 before the vehicles with the synchronous production number 0100 because of production requirements, the vehicles with the synchronous production number 0100 can be moved to the returning area 10 and then enter the track area 6 again, so that the vehicles with the synchronous production number 0100 are moved behind the vehicles with the synchronous production number 9501, and the vehicle outgoing sequence can be changed to be 9501 and 0100.
Steps S4-S6 are illustrated by the following example.
Example 1: the synchronous production number of the first vehicle on the first track which is not provided with the moving-out plan is 0101, the synchronous production number of the first vehicle on the second track which is not provided with the moving-out plan is 0102, and at this time, the vehicle with the synchronous production number of 0101 is taken as the moving-out vehicle to be made into the moving-out plan. Then, the vehicle with the contemporary production number 0102 is taken out to make a carry-out plan. The departure sequence is 0101 and 0102;
example 2: if the synchronous production number of the first vehicle on the first track which is not provided with the removal plan is 0101, the synchronous production number of the second vehicle on the first track which is not provided with the removal plan is 0102, and the synchronous production number of the first vehicle on the second track which is not provided with the removal plan is 0103, the vehicles with the synchronous production numbers 0101, 0102 and 0103 can be taken as the removal vehicles to make the removal plan. The order of carrying out the vehicles is 0101, 0102, 0103.
Preferably, a loading area 2 in signal connection with a control center is arranged between the coating area 1 and the confluence area 3, the loading area 2 is used for arranging vehicles carried in from the coating area 1 in sequence, the method further comprises S0, the S0 is used for carrying the vehicles in storage from the coating area 1 into the loading area 2, and the loading area 2 sequences the vehicles in storage and sends a vehicle carrying-in signal and the synchronous production number of the vehicles in storage to the control center.
In order to realize the synchronous production of the vehicles, 1-m synchronous production numbers are firstly arranged on the vehicles of the same batch required to be produced according to the real material flow and information flow among production lines of a factory and the warehouse-out requirements of the vehicles, wherein m +1-m + x is a special vehicle. The special vehicles comprise empty trolleys, general assembly input forbidden vehicles, trial-run vehicles, part-lack vehicles, delayed vehicles, advanced vehicles and other vehicles needing special treatment. And then taking the synchronous production number and the batch number as main reference basis of the dispatching rule of the vehicle body storage area. The numerical values of m and x can be set according to production requirements, for example, m is set to 9500, x is set to 499, m +1 is 9501, and m + x is 9999.
The special vehicle warehousing and ex-warehouse scheduling method mainly comprises the following steps according to the track priority:
when the special vehicle is moved into the confluence area 3 from the coating area 1 and sends a signal to the control center, the control center makes a decision of moving the special vehicle into the track with the highest priority according to the track priority. For example, if the synchronous production number of the special vehicle in the confluence area 3 is 9501, and the first track and the second track are both tracks without vehicles, the first track is taken as a carrying-in channel of the special vehicle;
when the control center selects the special vehicle to dispatch from the track area 6, the special vehicle needs to be designated as the carrying-out vehicle to adjust the discharging sequence of the special vehicle. For example: the first trolley of the first track is a special trolley with the same term number 9501, and the current departure sequence is 0101, 0102 and 0103. At this time, if it is necessary to carry out a vehicle with a contemporary production number of 9501, it is necessary to designate a special vehicle as the next carrying-out vehicle and make a carrying-out plan, and the carrying-out order is 0101, 0102, 0103, 9501.
In addition, the track priority of the special vehicle warehousing and ex-warehouse scheduling method can be adjusted according to production requirements or user requirements.
In actual production, how to set the track priority specifically can be determined according to the actual situation of field operation. If the final assembly input prohibited vehicle needs to be processed in a unified mode, the final assembly input prohibited vehicle can be limited to be allowed to enter the first rail. If a certain track is reserved for the trial-run vehicle as much as possible, other special vehicles can be forbidden to enter the track or enter other tracks preferentially.
Preferably, the S6 further includes that the production scheduling system further includes a branch area 7 and a buffer area 8 which are disposed behind the track area 6 and are in signal connection with the control center, the branch area 7 is used for storing vehicles carried out from the track area 6, the buffer area 8 is used for storing prepared vehicles required for assembly production, the carrying-out vehicles are carried out to the branch area 7 and the buffer area 8 through the track area 6 according to a carrying-out plan generated by the control center, and after waiting for carrying out a plurality of carrying-out vehicles to form a planned vehicle group, the vehicles in the planned vehicle group are sequentially carried into the assembly area 9 to perform assembly operation.
Preferably, a loading point is arranged between the coating area 1 and the loading area 2, a merging point is arranged between the loading area 2 and the merging area 3, a moving point is arranged between the merging area 3 and the track area 6, a moving point is arranged between the track area 6 and the diverging area 7, a diverging point is arranged between the diverging area 7 and the returning area 10 or between the diverging area 7 and the buffer area 8, and the loading point, the merging point, the moving point and the diverging point are all used for parking vehicles.
The loading point serves as a stop station before the delivery vehicles move from the paint shop 1 to the loading zone 2, the merging point serves as a stop station before the delivery vehicles move from the loading zone 2 to the merging zone 3, the carry-in point serves as a stop station before the delivery vehicles move from the merging zone 3 to the track zone 6, the carry-out point serves as a stop station before the carry-out vehicles move from the track zone 6 to the diverging zone 7, and the diverging point serves as a stop station before the carry-out vehicles move from the diverging zone 7 to the return zone 10 or the buffer zone 8.
Preferably, a first intermediate area 4 and a second intermediate area 5 in signal connection with the control center are disposed between the confluence area 3 and the track area 6, and the first intermediate area 4 and the second intermediate area 5 may be set according to operation requirements for relieving inventory pressure.
The present invention also provides a terminal device, including: the vehicle warehouse entry and exit scheduling method comprises a memory, a processor and a data processing program which is stored on the memory and can run on the processor, wherein the data processing program realizes the vehicle warehouse entry and exit scheduling method when being executed by the processor.
The invention also provides a computer readable storage medium, wherein a data processing program is stored on the computer readable storage medium, and when being executed by a processor, the data processing program realizes the vehicle warehousing and ex-warehouse scheduling method.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A vehicle warehousing and ex-warehouse scheduling method is characterized in that the method is realized based on a production scheduling system of synchronous production, the system comprises a control center, and a coating area (1), a confluence area (3), a track area (6) and a final assembly area (9) which are connected with the control center in a signal mode and are sequentially arranged, the track area (6) comprises a plurality of tracks, the coating area (1) is used for vehicle management of vehicle coating operation, the confluence area (3) is used for storing warehousing vehicles, the track area (6) is used for storing and adjusting the sequence of the warehousing vehicles, and the final assembly area (9) is used for vehicle management of final assembly operation,
the method comprises the following steps:
s1: moving the vehicles entering the garage from the painting area (1) into the confluence area (3) and sending signals to a control center;
s2: the control center compares and judges the synchronous production numbers of the warehousing vehicles positioned in the confluence area (3) with the synchronous production numbers of the tail vehicles on a plurality of tracks in the track area (6), and respectively sends out and in indication signals to the confluence area (3) and the track area (6) so as to move the warehousing vehicles into the appointed tracks;
s3: the merging area (3) moves the vehicles in storage out according to the moving-out indication signal, and the track area (6) moves the vehicles in storage into a track specified by the control center according to the moving-in indication signal so as to store the vehicles in storage;
s4: the control center selects a plurality of vehicles which are positioned at the forefront of each track in the track area (6) and do not make carrying-out decision to form a carrying-out vehicle group;
s5: the control center selects the vehicle with the minimum production number in the same period from the moved-out vehicle group as a moved-out vehicle and generates a moved-out plan;
s6: the outgoing vehicle is carried to the assembly area (9) through the track area (6) according to an outgoing plan generated by the control center.
2. The vehicle warehousing and ex-warehouse scheduling method according to claim 1, characterized in that S1 is to move the warehoused vehicles from the painting zone (1) into the merging zone (3), the painting zone (1) sends a vehicle moving-out signal and the contemporaneous production number of the warehoused vehicles to the control center, and the merging zone (3) sends a vehicle moving-in signal and the contemporaneous production number of the warehoused vehicles to the control center.
3. The vehicle warehousing and ex-warehouse scheduling method according to claim 2, characterized in that S2 is a control center that compares the contemporaneous production number of the warehoused vehicle located in the merging area (3) with the contemporaneous production number of the last vehicle on several tracks, and if the contemporaneous production number of the warehoused vehicle is greater than the contemporaneous production number of the last vehicle on a certain track, makes a decision to move the warehoused vehicle from the merging area (3) to a track where the contemporaneous production number of the last vehicle is less than the contemporaneous production number of the warehoused vehicle, and respectively sends a move-out instruction signal and a move-in instruction signal to the merging area (3) and the track area (6), and otherwise, makes a decision to move the warehoused vehicle from the merging area (3) to a track with the highest priority according to the priority of the track, and respectively sends a move-out instruction signal and a move-in instruction signal to the merging area (3) and the track area (6).
4. The vehicle warehousing and ex-warehouse scheduling method according to claim 3, wherein the S2 further comprises the step of determining that the difference between the contemporaneous production number of the warehoused vehicle moved into the last vehicle and the contemporaneous production number of the warehoused vehicle is the smallest if the contemporaneous production number of the warehoused vehicle is larger than the contemporaneous production number of the last vehicle on the plurality of tracks, and sending a moving-out instruction signal and a moving-in instruction signal to the merging area (3) and the track area (6).
5. The vehicle warehousing and ex-warehouse scheduling method according to claim 4, characterized in that the step S2 further comprises the step of not making a decision to move the warehoused vehicle into the track by the control center if the parking space on the track is full.
6. The vehicle warehousing and ex-warehouse scheduling method according to claim 5, wherein the S5 further comprises a returning area (10) for storing vehicles returned to the merging area (3), and if the outgoing vehicle selected by the control center is not the vehicle with the smallest contemporaneous production number in the outgoing vehicle group, the vehicle with the smallest contemporaneous production number in the outgoing vehicle group is moved into the returning area (10), and then moved into the merging area (3) for warehousing again.
7. The vehicle warehousing and ex-warehouse scheduling method according to claim 6, characterized in that a loading area (2) in signal connection with a control center is arranged between the coating area (1) and the merging area (3), the loading area (2) is used for arranging vehicles carried in from the coating area (1) in sequence, the method further comprises S0, the S0 is used for carrying vehicles in warehouse from the coating area (1) into the loading area (2), and the loading area (2) sequences vehicles in warehouse and sends vehicle carrying-in signals and the contemporaneous production numbers of the vehicles in warehouse to the control center.
8. The vehicle warehousing and ex-warehouse scheduling method according to claim 7, wherein the S6 further comprises a branch area (7) and a buffer area (8) which are arranged behind the track area (6) and are in signal connection with the control center, the branch area (7) is used for storing vehicles moved out from the track area (6), the buffer area (8) is used for storing prepared vehicles required for assembly production, the moved-out vehicles are moved out to the branch area (7) and the buffer area (8) through the track area (6) according to a moving-out plan generated by the control center, and after waiting for moving out of a plurality of moved-out vehicles to form a planned vehicle group, the vehicles in the planned vehicle group are sequentially moved into the assembly area (9) to perform assembly operation.
9. The vehicle warehousing and ex-warehouse scheduling method according to claim 8, characterized in that a loading point is provided between the coating area (1) and the loading area (2), a confluence point is provided between the loading area (2) and the confluence area (3), a moving point is provided between the confluence area (3) and the track area (6), a moving point is provided between the track area (6) and the divergence area (7), a diverging point is provided between the divergence area (7) and the return area (10) or between the divergence area (7) and the buffer area (8), and the loading point, the confluence point, the moving point and the diverging point are all used for parking vehicles.
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