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全寿命周期价值工程在建设工程项目评标过程中的应用研究——以电梯实际评标过程为例 被引量:1
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作者 王洪亮 《中国建筑金属结构》 2013年第4X期121-121,共1页
建设工程项目评标过程应综合考虑各种因素,科学决策,选取最佳投标方案。本文将全寿命周期价值工程理论引入到工程项目评标过程中,并以电梯实际评标过程为例,说明如何利用该方法分析出最佳投标方案,确定中标人。
关键词 全寿命周期 价值工程 评标 电梯评标
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Elevator Group-Control Policy Based on Neural Network Optimized by Genetic Algorithm 被引量:1
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作者 沈虹 万健如 +2 位作者 张志超 刘英培 李光叶 《Transactions of Tianjin University》 EI CAS 2009年第4期245-248,共4页
Aiming at the diversity and nonlinearity of the elevator system control target, an effective group method based on a hybrid algorithm of genetic algorithm and neural network is presented in this paper. The genetic alg... Aiming at the diversity and nonlinearity of the elevator system control target, an effective group method based on a hybrid algorithm of genetic algorithm and neural network is presented in this paper. The genetic algorithm is used to search the weight of the neural network. At the same time, the multi-objective-based evaluation function is adopted, in which there are three main indicators including the passenger waiting time, car passengers number and the number of stops. Different weights are given to meet the actual needs. The optimal values of the evaluation function are obtained, and the optimal dispatch control of the elevator group control system based on neural network is realized. By analyzing the running of the elevator group control system, all the processes and steps are presented. The validity of the hybrid algorithm is verified by the dynamic imitation performance. 展开更多
关键词 elevator group control genetic algorithm neural network hybrid algorithm
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