对于有时间窗的非满载VSP问题,将货运量约束和软时间窗约束转化为目标约束,建立了非满载VSP模型,设计了基于自然数编码,使用最大保留交叉、改进的反转变异等技术的遗传算法。
On the VSP with time window, while the restraints of capacity and time windows are changed into object restraints, a mathematic model is established.
针对运输中的“必经点”问题,设计了特殊染色体编码、交叉与变异规则;
For solving the problems of the necessity - node, the special rules of coding, crossover and mutation are designed.
其主要算子包括:编码方式、选择算子、交叉算子、变异算子及采用精英保留策略。
Its main operators include coding way, selecting operator, cross operator, mutation operator and adopting elites to keep the tactics.
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