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Time-constrained maximal covering routing problem

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Abstract

We introduce the time-constrained maximal covering routing problem (TCMCRP), as a generalization of the covering salesman problem. In this problem, we are given a central depot, a set of facilities and several customers which are located within a pre-determined coverage distance of available facilities. Each facility can supply the demand of some customers which are within its coverage radius. Starting from the depot, the goal is to maximize the total number of covered customers, by constructing a set of p length constraint Hamiltonian cycles. We have proposed a mixed integer linear programming model and three heuristic algorithms, namely iterated local search (ILS), tabu search (TS) and variable neighborhood search (VNS), to solve the problem. Extensive computational tests on this problem and some of its variants clearly indicate the effectiveness of the developed solution methods.

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Correspondence to Majid Salari.

Appendices

Appendix 1

See Tables 12.

Table 12 Performance of the heuristic algorithms for large instances of the TCMCRP

Appendix 2

See Tables 13, 14, 15, 16.

Table 13 Results for set 4 of the benchmark for the TOP
Table 14 Results for set 5 of the benchmark for the TOP
Table 15 Results for set 6 of the benchmark for the TOP
Table 16 Results for set 7 of the benchmark for the TOP

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Amiri, A., Salari, M. Time-constrained maximal covering routing problem. OR Spectrum 41, 415–468 (2019). https://doi.org/10.1007/s00291-018-0541-3

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  • DOI: https://doi.org/10.1007/s00291-018-0541-3

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