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Development of Hybrid Algorithm Based on PSO and NN to Solve Economic Emission Dispatch Problem
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作者 R. Leena Rose B. Dora Arul Selvi R. Lal Raja Singh 《Circuits and Systems》 2016年第9期2323-2331,共9页
The electric power generation system has always the significant location in the power system, and it should have an efficient and economic operation. This consists of the generating unit’s allocation with minimum fue... The electric power generation system has always the significant location in the power system, and it should have an efficient and economic operation. This consists of the generating unit’s allocation with minimum fuel cost and also considers the emission cost. In this paper we have intended to propose a hybrid technique to optimize the economic and emission dispatch problem in power system. The hybrid technique is used to minimize the cost function of generating units and emission cost by balancing the total load demand and to decrease the power loss. This proposed technique employs Particle Swarm Optimization (PSO) and Neural Network (NN). PSO is one of the computational techniques that use a searching process to obtain an optimal solution and neural network is used to predict the load demand. Prior to performing this, the neural network training method is used to train all the generating power with respect to the load demand. The economic and emission dispatch problem will be solved by the optimized generating power and predicted load demand. The proposed hybrid intelligent technique is implemented in MATLAB platform and its performance is evaluated. 展开更多
关键词 Particle Swarm Optimization (PSO) Economic Dispatch (ED) Economic Dispatch Problems (edps) Genetic algorithm (GA) Neural Network (NN)
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联盟结构图的性质及应用 被引量:2
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作者 刘惊雷 张伟 +1 位作者 刘兆伟 孙雪姣 《计算机研究与发展》 EI CSCD 北大核心 2011年第4期602-609,共8页
形成有效的联盟是多Agent系统的一个重大课题.然而联盟结构的数目很大,对于包含n个Agent系统来说,其可能构成的联盟结构是O(nn),以至于通过穷举搜索最优联盟结构是不可能的.另外联盟结构空间是一个什么样的形态,这是目前为止很少有人系... 形成有效的联盟是多Agent系统的一个重大课题.然而联盟结构的数目很大,对于包含n个Agent系统来说,其可能构成的联盟结构是O(nn),以至于通过穷举搜索最优联盟结构是不可能的.另外联盟结构空间是一个什么样的形态,这是目前为止很少有人系统研究的课题,尤其是其图性质的研究.从图的视点讨论多Agent系统中的最优联盟结构生成问题.首先将联盟结构空间抽象为一个联盟结构图,其中顶点代表联盟结构,有向边代表联盟结构的分解.随后总结和形式化该联盟结构图所具有的两个性质:最优子结构、重复子结构问题;推广了一个性质:关键搜索集;给出了一个新性质:较少冗余路径的图的连通性.为了理解联盟结构图的这些性质,将这些性质用到了有效动态规划法(effectivedynamic programming,EDP)中,分析得到其时间复杂度的下界是Ω(2.1n),上界是O(3n).实验分析表明,EDP算法比DP算法的搜索次数更少,在含有21个Agent的系统中,EDP比DP减少42%的搜索次数. 展开更多
关键词 最优联盟结构 联盟结构图的性质 关键搜索集 较少冗余路径的图的连通性 edp算法
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