Method of using reuse strategy-based intelligent swarm algorithm to optimize dynamic traveling salesman problem (TSP)
A traveling salesman problem and technology of traveling salesman, applied in computing, data processing applications, forecasting, etc., can solve problems such as NP-hard combinatorial optimization, algorithms that are difficult to solve, and cannot be solved
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[0054] In this embodiment, the set-based particle swarm algorithm and ant colony algorithm are combined with the reuse strategy and applied to the optimization of the dynamic traveling salesman. The content of the invention can be mainly divided into the modeling of dynamic traveling salesman and the reuse strategy of historical search information.
[0055] 1) Modeling of dynamic traveling salesman:
[0056] exist figure 1 In the partial map shown, there are a total of 12 access nodes (a-l), assuming two situations:
[0057] i) When an unexpected event (traffic accident, road failure) occurs on the original shortest path (red dotted line) from h to a, the red solid line will become the current shortest path from h to a;
[0058] ii) In some cases, since point l does not need to be visited, the visit order of the original three nodes f, i, l changes from f→l→i to f→i, thus directly skipping node l. Based on these two real situations, this embodiment models them respectively ...
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