researchexperienceandacademicactivity
whenasophomoreijoinedtheassociationofaienthusiastandbegantonarrowdownmyinterestformyfutureresearch.in1997iparticipatedinsimulationtooldevelopmentfortheschedulingsysteminprof.wang’slab.withthetoolofopenglandmatlabidesignedasimulationprogramfortransportationschedulingsystem.itisnowwidelyusedbydifferentresearchgroupsinnust.in1998iassumedandfulfilledasewageanalysis&disposeprojectfornanjingsewagetreatmentplant.thiswasmyfirstpracticetoconvertalaboratoryideatoacommercialproduct.
in1999ijoinedthedistinguishedprofessoryu-gengxisresearchgroupaimingatnetworkflowproblemsolvingandheuristicalgorithmresearch.sooniwasengagedinthefudangenedatabasedesign.mydutywastopickuptheusefulinformationamongdifferentkindsofgenematchingformat.throughthecomparisonandanalysisformanyheuristicalgorithmsiintroducedanimprovedevolutionaryalgorithm--multi-populationgeneticalgorithm.byspanidingawholepopulationintoseveralsub-populationsthisimprovedalgorithmcaneffectivelypreventgafromlocalconvergenceandpromotevariousevolutionaryorientations.itprovedmoreefficientlythansgainexperimentstoo.inthesecondsemesterijoinedtheworkshop-schedulingresearchinshanghaiheavydutytyreplant.theschedulingwasdesignedfortherubber-makingprocessthatcoverednotonlydiscretebutalsocontinuouscircumstances.tomakeabalancepointbetweenoptimizationqualityandtimecostiproposedadynamiclayeredschedulingmethodbasedonhybridpetrinets.thepracticalapplicationshowedthattheaveragemakespanwasshortenedbyalargescale.ialsopublicizedtwopapersincorejournalswiththisidea.recentlyiamdoingresearchinthecompositepredictoftheelectricalpowersystemassistedwiththetechnologyofdataminingforbaosteel.itrytocombinethedecisiontreewithrecedingoptimizationtoprovideanewsolutionforthecompositepredictiveproblem.thisprojectisnowunderconstruction.
