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Application of a case-based reasoning method in estimating the power grid project cost

机译:基于案例的推理方法在电网工程造价估算中的应用

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The accuracy of the power grid construction cost estimation is essential to the whole-process cost management. However, the estimation of the power grid project cost calculated by traditional methods varies largely, which cannot meet the needs of estimation accuracy. This paper proposes a case-based reasoning (CBR) method for estimating the power grid project cost. This method, supported by Fuzzy Mathematics, analytical hierarchy process (AHP) and Rough Set, makes full use of expert experiences and rule-based reasoning to improve the estimation accuracy that calculated only by the case-based reasoning method. And then, an actual case is involved in this paper to verify its scientificity and practicality. The case-based reasoning cost estimating method will provide valuable references for the cost decision-making in power grid projects.
机译:电网建设成本估算的准确性对全过程成本管理至关重要。但是,传统方法对电网工程造价的估算差异很大,无法满足估算精度的需要。本文提出了一种基于案例的推理(CBR)方法来估算电网工程成本。该方法在模糊数学,层次分析法(AHP)和粗糙集的支持下,充分利用专家经验和基于规则的推理,提高了仅基于案例推理方法计算的估计准确性。然后,以实际案例为例,验证了其科学性和实用性。基于案例的推理成本估算方法将为电网项目的成本决策提供有价值的参考。

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