价值工程
價值工程
개치공정
VALUE ENGINEERING
2015年
19期
30-32
,共3页
BP%神经网络%代建制%风险评价
BP%神經網絡%代建製%風險評價
BP%신경망락%대건제%풍험평개
BP%neural network%gent-construction%risk assessment
在政府投资项目推行代建制的过程中,必须正确认识代建制模式下的风险管理工作的重要性,认清风险的来源,有效评估工程项目风险严重程度和整体风险水平是决策项目上马的先决条件。本文在阐述代建制项目进行风险评价的重要性基础上,结合政府投资代建项目的特征和国内工程的实践进行归纳总结,建立了共性的风险评价指标体系,提出了基于误差反向传播算法的BP神经网络评价模型,并通过算例验证了该模型的可行性,为实际工程项目进行风险预测、应对、规避提供决策支持,从而提高了政府投资项目的整体效益。
在政府投資項目推行代建製的過程中,必鬚正確認識代建製模式下的風險管理工作的重要性,認清風險的來源,有效評估工程項目風險嚴重程度和整體風險水平是決策項目上馬的先決條件。本文在闡述代建製項目進行風險評價的重要性基礎上,結閤政府投資代建項目的特徵和國內工程的實踐進行歸納總結,建立瞭共性的風險評價指標體繫,提齣瞭基于誤差反嚮傳播算法的BP神經網絡評價模型,併通過算例驗證瞭該模型的可行性,為實際工程項目進行風險預測、應對、規避提供決策支持,從而提高瞭政府投資項目的整體效益。
재정부투자항목추행대건제적과정중,필수정학인식대건제모식하적풍험관리공작적중요성,인청풍험적래원,유효평고공정항목풍험엄중정도화정체풍험수평시결책항목상마적선결조건。본문재천술대건제항목진행풍험평개적중요성기출상,결합정부투자대건항목적특정화국내공정적실천진행귀납총결,건립료공성적풍험평개지표체계,제출료기우오차반향전파산법적BP신경망락평개모형,병통과산례험증료해모형적가행성,위실제공정항목진행풍험예측、응대、규피제공결책지지,종이제고료정부투자항목적정체효익。
In the process of government investment project implementing agency construction, we must understand correctly the importance of risk management under agency construction and recognize the risk source,so as to assess the severity of project risk and the overall level of risk effectively which is an essential prerequisite of decision-making project. On the basis of expounding the importance of project under agency construction carrying on risk assessment,combined with the characteristic of project under agency construction and the generalization of domestic engineering practice,this paper set up common risk evaluation index system,put forward the BP neural network evaluation model based on error back propagation. Besides this paper uses the BP neural network evaluation model in the really construction to draw a conclusion that the model is feasible and hope the model can provide the decision support for risk prediction、risk response and risk aversion in the really construction,so as to improve the whole efficiency of the government investment project.