人机工程学考试复习重点资料（a review of key information on the ergonomic test）

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1、人机工程学考试复习重点资料（Areviewofkeyinformationontheergonomictest）1.Ergonomicsisthestudyoftheinteractionbetweenpeople,machineryandtheirworkingenvironment.Ergonomics:man-machine-environmentalsystemsengineering,ergonomics,ergonomics,ergonomics,engineeringpsychology,e

2、rgonomics,humanfactors,etc.Definitionofergonomics:thestudyofvariousfactorsintheanatomy,physiologyandpsychologyofhumanbeinginsomeworkenvironment;Theinteractionbetweenhumanandmachineandenvironment;Studiesonhowtointegratetheworkefficiency,humanhealth,safetya

3、ndcomfortandothersubjectsinthework,familylifeandvacationtime.Researchcontentofergonomics:1.Thedesignofthedesignofenvironmentcontrolandsafetyprotectionforthedesignof3workplaceandinformationtransmissiondevicesResearchmethodsofergonomics:1observationmethod2t

4、estmethod3experimentmethod4simulationandmodeltest5computernumericalsimulationmethod6analysismethod7researchmethod:thedefinitionofanthropometryisdeterminedbymeasuringthehumanbodyeachplacedimensiontodeterminebetweenindividualandgroupdifferencesinbodysize,is

5、usedtostudythemorphologicalcharacteristics,thustoprovideallkindsofindustrialdesignandengineeringdesignofhumanbodymeasurementdata.2.Therearethreemainmethodsofanthropometry:generalmeasurement,photographicmethod,three-dimensionalmathematicalmeasurement,3.The

6、mainstatisticalfunctioninthehumanbodymeasurements(computing):1means2variance3standard4samplingerror(samplingerror==allsamplemeanstandarderrorofstandarddeviation)5percentilePK4.ThepercentilePKThepercentiledividesthetotalmeasuredvalueofagrouporsampleintotwo

7、parts.ThemeasuredvalueofK%isequaltoandlessthanit,andthemeasurementvalueof(100-k%)islessthanthat(1)findacertainpercentilehumandimensionIftheaverageheightofapersonis170,SD=10,andK%=30P30=X=X-(SD(K)Thatis,30%ofpeoplearelessthanorequalto164.76cm.(2)figureoutt

8、hepercentageofdatathatbelongstoPForexample,howmanypercentofapersonislessthanorequalto164.76cmZ=(Xi-X)/SDP=P+0.5Checkthenormaldistributiontable,p=-0.1985Soabout30percentofthepopulationislessthanorequalto164.765.Appli