【摘要】 针对目前输电网规划方案综合决策中存在不确定因素以及确定指标权重方法主观性强的问题,提出了基于组合权重和云模型的输电网规划方案综合决策方法。该方法首先基于层次分析法、序关系法计算的主观权重和熵权法、变异系数法计算的客观权重,利用粒子群优化算法求取各评价指标的组合权重,克服了单一专家赋权或客观赋权的不足。然后采用云模型对各方案进行优劣排序,充分发挥了云模型能反映评价信息的模糊性和随机性的优势。最后结合IEEE Garver-6算例验证了该决策方法的有效性。更多还原

【Abstract】 According to the uncertainty of comprehensive decision-making and the strong subjectivity of index weight determining method in power transmission network planning,a comprehensive decision-making method for transmission network planning schemes was proposed based on the combined weight and cloud model. Firstly,based on the subjective weights calculated by analytic hierarchy process( AHP) and order relation method as well as the objective weights calculated by entropy method and variation coefficient method,the combined weight of each evaluation index was obtained by particle swarm optimization( PSO) algorithm,in order to remedy the insufficiency of experts assigned index weight and objective weight. Then the cloud model was adapted to determine the comprehensive evaluation results of each network planning scheme,which could fully reflect the fuzziness and randomness of index information. Finally,a simulation analysis of IEEE Garver-6 system was given to verify the effectiveness of the proposed decision-making method.更多还原