Automatic wharf ALV (Automatic Lifting Vehicle) scheduling optimization method
A technology for automated wharf and optimized scheduling, applied in the direction of instruments, data processing applications, resources, etc., can solve problems affecting the efficiency of wharf operations, achieve the effects of reducing manual intervention, improving reliability, and reducing operating costs
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[0104] Example 1
[0105] Such as figure 1 As shown, an automated terminal ALV optimization scheduling method includes the following steps:
[0106] Step 1: Set the ALV individual as the scheduling object, combine the congestion on the ALV path and the location of the container at the yard, and use the minimum time spent to complete all container tasks as the goal of optimizing ALV scheduling, and construct a mathematical model for optimizing ALV scheduling;
[0107] Step 2: Use a two-dimensional array to encode container tasks, design a simulated annealing algorithm based on the shortest time principle, solve the optimal ALV scheduling mathematical model, and obtain the optimal ALV scheduling scheme under the given container task code and container type;
[0108] The container type is an import box or an export box.
[0109] Further, in the above technical solution, the container task encoding method is decimal encoding.
[0110] Further, in the above technical solution, the congestion...
Example Embodiment
[0259] Example 2
[0260] The difference between this embodiment and embodiment 1 is only that the method of generating a new code in step (3) is to exchange code positions;
[0261] When performing code position exchange, randomly generate two exchange points and compare their corresponding container position codes. When the container position codes corresponding to the two exchange points are both positive or negative, that is, when the container types are the same, the exchange For the codes of the third and fourth lines of the two interchange points, when the container types are different, repeat the above judgment process until the codes are successfully exchanged;
[0262] While the coding positions of the two sets of codes are exchanged, the corresponding AYC codes are exchanged at the same time.
[0263] Interchange coding positions for the following codes:
[0264] Case number
[0265] When the coding positions are exchanged, the randomly generated interchange point positio...
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