Simulation-based Optimization of a Real-World Travelling Salesman Problem Using an Evolutionary Algorithm with a Repair Function

Provided by: Computer Science Journals
Topic: Software
Format: PDF
In this paper, the authors present a real-world case study of optimizing waste collection in Sweden. The problem, involving approximately 17,000 garbage bins served by three bin lorries, is approached as a travelling salesman problem and solved using simulation-based optimization and an evolutionary algorithm. To improve the performance of the evolutionary algorithm, it is enhanced with a repair function that adjusts its genome values so that shorter routes are found more quickly. The algorithm is tested using two crossover operators, i.e., the order crossover and heuristic crossover, combined with different mutation rates.

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