多变量研究 六西格玛经典教材.pdf

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1、Multi-VariStudiesProcessmap30inputsC&EFMEA10-15MultVari8-10DOE4-8SPC3-6KPOVDOE2Y-XBoxPlotsDotPlotsMainEffectsPlotsInterantionPlotsY-XMult-VarichartChi-SquareDescriptiveStatsEqualVariancesT-testsTANOVAY-XLogisticRegressionY-XScatterplotsCorrelationRegressionMultiple

2、Regression•–Within-Piece–Piece-to-Piece––Location-to-Location•Time-to-Time–•R&RExampleofMulti-varidisplayDay1Day20.05BackFront0.040.0310.02230.01AMPMAMPM•Panel123123123123•Sample3consecutivepanelsatonetime.••––––•WithinX=Front=BackUnitVariation1.075-.079.070-.0746.

3、065-.069=Time-to-Time25Variation.060-.0644.055-.0593.050-.0542.045-.0491.040-.044.035-.0391.000.030-.0349.025-.029Spec.8Limit.020-.024XX7.015-.019XX6.010-.014XXXX0.995.005-.009XX40-.004XX3Pc.No.:123123123123Time:9:30a.m.2:00p.m.7:45a.m.1:30p.m.1Day:Apr.18Apr.190.99

4、0ThreeSequentialUnitsatFourTimeIntervalsUnitUnit-to-UnitNo.12345123451234512345VariationTime:9:30a.m.1:45p.m.5:00p.m.1-:15p.m.1stShift2ndShiftFiveSequentialUnitsatFourTimeIntervals3UnitNo.123453738394041Time1Time2FiveSequentialUnitsfoProductatTwoIntervalsintheProdu

5、ctionRun7.[1][PAINTLIN.MTW]•••ID•••AM/FM•0.04••3••41.32.3.4.4321AMPM2223=24>>11234>>>•Minitab14/18/99>>1–3•••1•–––––––––––••1–X6:302:30•2–––•3a.QCb.•12—•2•3•441841943212232=24•[Paint2L.MTW]••PanelIDDateAM/PMPositionFilmThickTrueTimeUnitName•14/18/99AMBack0.0569:301

6、•14/18/99AMFront0.0369:301•24/18/99AMBack0.0709:302•24/18/99AMFront0.0429:302•34/18/99AMBack0.0629:303•34/18/99AMFront0.0449:303•44/18/99PMBack0.07614:001•44/18/99PMFront0.04814:001•54/18/99PMBack0.07214:002•54/18/99PMFront0.04414:002•64/18/99PMBack0.07214:003•64/1

7、8/99PMFront0.05214:003•74/19/99AMBack0.0527:451•74/19/99AMFront0.0347:451•84/19/99AMBack0.0567:452•84/19/99AMFront0.0347:452•94/19/99AMBack0.0687:453•94/19/99AMFront0.0387:453•104/19/99PMBack0.07213:301•104/19/99PMFront0.04613:301•114/19/99PMBack0.06213:302•114/19/

8、99PMFront0.04213:302•124/19/99PMBack0.07813:303•124/19/99PMFront0.05213:303•6•>>•Factor1Factor23Minitab>>PanelID418•Minitab>>-••••••••••••••Minit