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.
电力系统作为一个复杂的大型系统，具有维数高、目标多、约束复杂等难点。
The electric power system is a complex and large system with high dimensions, multi objectives and complicated constraints.
此算法实际上是求约束条件下的函数最小值问题，属于组合优化问题，其计算复杂度随着目标数的增加而发生爆炸现象。
This algorithm is actually a minimum problem under the restrict conditions, it belongs to the combined optimization problem and its computing burden increases heavily with the number of targets.
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