To solve above disadvantages, an improved GA is proposed, which includes elite strategy, crossover strategy and immigrant strategy.This adaptive improved GA can avoid precocity and inbreeding.

• 为此，提出一种改进的遗传算法，它包括精英策略，交叉策略和移民策略，具有克服早熟、避免近亲繁殖和自适应的优良特性。