可变模糊模型在水资源短缺风险评价中的应用(4)
发布时间:2021-06-06
发布时间:2021-06-06
可变模糊模型在水资源短缺风险评价中的应用
第27卷第5期邹晓磊等:大坝监测数据异常值识别方法探讨
85
c.考虑所选显著水平的不同及实际工程的差
3
结语
a.针对大坝安全自动化监测系统计算机自
异,本文算法可能会出现“多判”或“少判”的现象。参考文献:
Eli雷伟刚,华锡生.大坝安全监控系统中异常值判定
的研究[J].江苏测绘。2000,23(1):7-10
[22丛墙江.大坝监测数据异常值的概率识别法[J].水
电能源科学.2005.23(4):32—34
[3]吴中如.水工建筑物安全监控理论及其应用[M].北
京:高等教育出版社,2003
动识别异常值的问题,对基于传统的概率识别方法进行了算法改进。
b.算例结果表明,对非正态分布的监测数据,该法可有效地识别异常值,并能初步判断异常值类型,支持监测数据的动态增长且简单、适用,易于计算机上实现。
Study
on
Method
ofIdentifyingOutliersaboutDam
Z0uXiaolei
XUEGuiyu
Monitoring
Data
(StateKeyLaboratoryofWaterResourcesandHydropowerEngineeringScience,
WuhanUniversity。Wuhan430072,China)
Abstract:Based
on
monitoringdataoftemporalseries,themethodofthe
are
abnormalvaluesprobabilityofidentification
a
isimprovedandthemonitoringdata
an
analyzed.TakingthemonitoringdataoftoothspacecrackaboUtgravitydam
as
example,corresponding
discussionwas
performed.Theresultshowsthatthismethodhashighefficiencyandisfeasible
tO
identifytheoutliersaboutdammonitoringdata.
Keywords:dam;abnormalvalue;safetymonitoringfprobabilityidentification
】.台斗e斗e肆辜■皋斗辜蚌e斗e■e耳e斗e诤皋斗e斗e蚌e斗台斗e斗e■e斗e斗e■e斗e埒e斗辜■e■e斗e砗窜埒e'.e’.e埒e■e,.e斗e,.e斗尽膏晕坤皋斗鲁■e斗e■e斗e,.台■e
(上接第23页)
[2]陈守煜,胡吉敏.可变模糊评价法及在水资源承载
能力评价中的应用[J].水利学报.2006,37(3):264-
271,277
[7]陈守煜。郭瑜.水质综合评价的模糊可变集合方法
[J].水资源保护,2005。21(6):19-22
[8]金菊良.洪天求。王文圣.基于熵和FAHP的水资源
可持续利用模糊综合评价模型[J].水力发电学报,
2007,26(4):22-28
[3]陈守煜.水资源与防洪系统可变模糊集理论与方法
[M].大连:大连理工大学出版社,2005.
[4]陈守煜。柴春岭.区域水资源可持续利用评价的模
糊可变评价方法[J].水利水电科技进展,2007。27
(5):1-5
[93陈守煜.工程模糊集理论与应用[M].北京:国防工
业出版社.1998
[10]黄明聪,解建仓。阮本清,等.基于支持向量机的水
资源短缺风险评价模型及应用[J].水利学报.2007-
38(3):255-259
[5]陈守煜,李敏.基于可变模糊集理论的水资源可再生能力评价模型FJl.水利学报,2006.37(4):431-435
[6]赵然杭。陈守煜.模糊可变评价模型在评价农村水
利现代化中的应用[J].水利学报.2008。39(2):
218-223
[11]罗军刚.解建仓。阮本清.基于熵权的水资源短缺风
险模糊综合评价模型及应用[J].水利学报,2008。39
(9):1092-1097.1
104
VariableFuzzySet
Model
Basedon
Comprehensive
Weights
andIts
ApplicationinEvaluationof
LIShuai
LIUji
Water
ResourcesShortageRisk
LIXinzhe
LEIDan
DONGXiaohua
DUFaxing
(CollegeofCivilandHydropowerEngineering,ChinaThreeGorgesUniversity,Yichang443002。China)
Abstract:Aiming
gleone-sidedissuedue
sources
at
tO
fuzzinessofevaluationindicatorsinwaterevaluatingwithsingle
resources
shortagerisk,aswell
as
theproblemofsin-evaluatewater
re—
model.variablefuzzyevaluationmodelisemployed
can
tO
shortageriskinthispaper.Themodel
betransformedintoseveralmodelsforevaluationbychangingits
pa-
rameters。which
ory
improvesthereliabilityofevaluationresults.Fordeterminingreasonableindicatorweights entropythe—
tO
isemployed
calculate
objectiveweights.andthencomprehensiveindicatorweights
can
beobtainedbycombining
shortageriskinXi’an
are
subjectiveandobjectiveindicatorweights.Finally.thecomprehensiveevaluationofwater
resources
cityisconductedwiththedevelopedmodel,resultsshowthatthemodeliseasylyforcomputingandevaluationresultsreliable.
Keywords:fuzzyvariable
set;entropy
weight;waterresources;shortagerisk;evaluation
万方数据