基于新初始种群方法的时间-成本权衡优化

IF 0.8 4区 工程技术 Q4 ENGINEERING, CIVIL Teknik Dergi Pub Date : 2019-11-01 DOI:10.18400/TEKDERG.410934
V. Toğan, M. A. Eirgash
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引用次数: 9

摘要

考虑到所有行业的竞争环境,按时完成项目对项目的利益相关者来说至关重要。这个有利的目标是通过寻找最优的时间成本替代方案来实现的,这在文献中被称为时间成本权衡问题(TCTP)。本文提出了一种新的初始群体方法,以提高时间成本选择的最优集合的质量。它将预定数量的单目标TCTP解放入基于教学的算法的初始种群中,作为TCTP多目标优化的优化器。因此,该算法的目标是降低初始种群的随机性,减少搜索努力,以在搜索空间中捕获时间成本最优的备选方案集。提出的方法在一系列基准问题上进行了测试,并与技术文献中的结果进行了比较。它可以产生与其他技术一样有效的解决方案,用于同时优化TCTPs。
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Time-Cost Trade-Off Optimization with a New Initial Population Approach
Considering the competitive environment in all industries, completion on time is crucial for the stakeholders of a project. This favorable target is achieved by finding the optimal set of time-cost alternatives and this is known as time-cost trade-off problem (TCTP) in the literature. In this study, a new initial population approach is presented to improve the quality of the optimal set of time-cost alternatives. It put a predefined number of the solutions of the single objective TCTP into the initial population of teaching learning-based algorithm, which is utilized as an optimizer for the multi-objective optimization of TCTP. Hence, it is aimed to descend the randomness on initial population and to decrease the searching effort to catch the optimal set of time-cost alternatives in the search space. The proposed methodology is tested on a series of benchmark problems and the obtained results are compared with those available in the technical literature. It can produce good solutions as effective as with other techniques applied for simultaneous optimization of TCTPs.
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来源期刊
Teknik Dergi
Teknik Dergi 工程技术-工程:土木
自引率
30.80%
发文量
65
审稿时长
>12 weeks
期刊介绍: The scope of Teknik Dergi is naturally confined with the subjects falling in the area of civil engineering. However, the area of civil engineering has recently been significantly enlarged, even the definition of civil engineering has somewhat changed. Half a century ago, engineering was simply defined as “the art of using and converting the natural resources for the benefit of the mankind”. Today, the same objective is expected to be realised (i) by complying with the desire and expectations of the people concerned and (ii) without wasting the resources and within the sustainability principles. This change has required an interaction between engineering and social and administrative sciences. Some subjects at the borderline between civil engineering and social and administrative sciences have consequently been included in the area of civil engineering. Teknik Dergi defines its scope in line with this understanding. However, it requires the papers falling in the borderline to have a significant component of civil engineering.
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