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Received: 2005-08-03

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.4 P.607-614


Hybrid discrete particle swarm optimization algorithm for capacitated vehicle routing problem

Author(s):  Chen Ai-ling, Yang Gen-ke, Wu Zhi-ming

Affiliation(s):  Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding email(s):   chengchengcal@sjtu.edu.cn

Key Words:  Capacitated routing problem, Discrete particle swarm optimization (DPSO), Simulated annealing (SA)

Chen Ai-ling, Yang Gen-ke, Wu Zhi-ming. Hybrid discrete particle swarm optimization algorithm for capacitated vehicle routing problem[J]. Journal of Zhejiang University Science A, 2006, 7(4): 607-614.

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%T Hybrid discrete particle swarm optimization algorithm for capacitated vehicle routing problem
%A Chen Ai-ling
%A Yang Gen-ke
%A Wu Zhi-ming
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T1 - Hybrid discrete particle swarm optimization algorithm for capacitated vehicle routing problem
A1 - Chen Ai-ling
A1 - Yang Gen-ke
A1 - Wu Zhi-ming
J0 - Journal of Zhejiang University Science A
VL - 7
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SP - 607
EP - 614
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A0607

Capacitated vehicle routing problem (CVRP) is an NP-hard problem. For large-scale problems, it is quite difficult to achieve an optimal solution with traditional optimization methods due to the high computational complexity. A new hybrid approximation algorithm is developed in this work to solve the problem. In the hybrid algorithm, discrete particle swarm optimization (DPSO) combines global search and local search to search for the optimal results and simulated annealing (SA) uses certain probability to avoid being trapped in a local optimum. The computational study showed that the proposed algorithm is a feasible and effective approach for capacitated vehicle routing problem, especially for large scale problems.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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