针对AHP分析法的一致性检验的不确定性,建立了最小二乘拟合的非线性优化模型,并结合使用PSO智能优化算法求解这一非线性优化问题,使求得的结果更加合理,得到的权重指标更加具有参考价值。在算法实例中运用上述模型对应急预案指标体系进行权重求解,结果证明该模型简明有效,PSO算法能够很好地求解这一问题。 Aiming at the uncertainty of consistency test of AHP method, a nonlinear optimization model of least squares fitting is established. The PSO intelligent optimization algorithm is used to solve this nonlinear optimization problem, and the result obtained is more reasonable. The weight index has more reference value. In the example of algorithm, the above model is used to solve the index system of emergency plan. The result shows that the model is concise and effective, and the PSO algorithm can solve this problem well.