基于组合赋权和改进TOPSIS法的航空发动机性能综合评估研究
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摘要
针对航空发动机性能不易准确评估问题,采用了一种基于改进逼近于理想解的排序法和组合赋权的多性能参数的航空发动机综合评估方法。首先,利用熵权法和层次分析法分别计算航空发动机各评价指标的权重,再通过组合赋权法得到主客观意义的综合权重,最后由各评价指标的综合权重和改进TOPSIS法计算出航空发动机性能综合评估结果。最终将模型应用于实例分析,对多台发动机性能状态进行评估以及对单台发动机进行性能趋势分析,结果验证了该方法的有效性,具有很好的工程应用价值。
It is difficult to accurately assess the performance of aero-engine. A method of comprehensive assessment of aero-engine performance was used based on improving TOPSIS and combinational weight.Firstly,the weights of each evaluation index were calculated using entropy weight method and analytic hierarchy,then the comprehensive weight of each evaluating indicator was determined by weighting approach.Finally,the results about comprehensive performance assessment of aero-engines were calculated by the comprehensive weight of each evaluating indicator and improved TOPSIS method. The performances of many aero-engines were assessed and the performance trend of single aero-engine was analyzed. The results verified this method is effective,which is good for engineering application.
It is difficult to accurately assess the performance of aero-engine. A method of comprehensive assessment of aero-engine performance was used based on improving TOPSIS and combinational weight.Firstly,the weights of each evaluation index were calculated using entropy weight method and analytic hierarchy,then the comprehensive weight of each evaluating indicator was determined by weighting approach.Finally,the results about comprehensive performance assessment of aero-engines were calculated by the comprehensive weight of each evaluating indicator and improved TOPSIS method. The performances of many aero-engines were assessed and the performance trend of single aero-engine was analyzed. The results verified this method is effective,which is good for engineering application.
引文
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[2]侯胜利,胡金海,李应红.基于混沌变量的航空发动机性能监控与故障诊断[J].航空动力学报2005,20(2):314-317.
[3]胡金海,谢寿生,胡剑锋,等.基于粗糙集理论的航空发动机性能综合评判[J].系统工程与电子技术2006,28(5):704-707.
[4]王梦琦,王瑞民,杨雪.基于改进模糊综合评判的航空发动机状态评估[J].润滑与密封,2011,36(1):80-84.
[5]黄晓燕.基于改进TOPSIS法的航空发动机性能评估方法[J].制造业自动化,2014(8):73-77.
[6]齐晓骥.基于多参数的发动机综合性能评估[D].天津:中国民航大学,2016.
[7]王正新.基于马氏距离的TOPSIS决策方法及其应用[J].经济数学,2012,29(2):17-20.
[8]COSTA T F G,LOHMANN G,OLIVEIRA A V M.A model to identify airport hubs and their importance to tourism in brazil[J].Research in transportation Economics,2010(26):3-11.
[9]DUVAL D T.Critical issues in air transport and tourism[J].Tourism Geographies,2013,15(3):494-510.
[10]FORSYTH P.Tourism benefits and aviation policy[J].Journal of Air Transport Management,2006,12(1):3-13.
[11]曹惠玲.基于AHP及灰色关联分析法的发动机健康评估研究[J].数学的实践与认识,2015,45(2):122-128.
[12]于文武,许春生,康力平.基于AHP的航空发动机健康评估系统设计[J].航空计算技术,2007,37(1):73-76.
[13]ROBERTO R M.Tourism service quality begins at the airport[J].Tourism M anagement,2006,27(5):874-877.
[14]DWYER L,FORSYTH P,SPURR R,et al.Economic impacts of a carbon tax on the australian tourism industry[J]Journal of Travel Research,2013,52(2):143-155.
[15]谢晓龙.航空发动机性能评价与衰退预测方法研究[D].哈尔滨:哈尔滨工业大学,2016.