TAGUCHI METHOD for DYNAMIC PROBLEMS SIGNAL - TO ...

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P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP 28Feb-1Mar 2012NOMINAL - THE - BEST TYPE PROBLEMMAXIMIZEη = 10 Log 10 [ µ 2 / σ 2 ]USE TWO - STEP PROCEDURE1. Minimize Variance { σ 2 }2. Adjust the mean ‘µ’ on to target ‘µ o ’28Feb-1Mar 2012 P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP S/N ratio (Dynamic) - 15LARGER - THE - BETTER TYPE PROBLEMQUALITY CHARACTERISTICS IS(CONTINUOUS AND NON-NEGATIVE)NO SCALING OR ADJUSTMENT FACTORCAN BE TRANSFORMED INTOSMALLER - THE - BETTER TYPECONSIDER THE RECIPROCAL OF QUALITYCHARACTERISTICSMAXIMIZE= – 10 Log101nO TO OO2 221 2 n( 1/Y + 1/Y + ... + 1/Y )28Feb-1Mar 2012 P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP S/N ratio (Dynamic) - 16Dyn S/N Ratio - 8
P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP 28Feb-1Mar 2012SIGNED - TARGET TYPE PROBLEMQUALITY CHARACTERISTICS CAN TAKEPOSITIVE AND NEGATIVE VALUESOFTEN, TARGET VALUE = ZEROIF NOT, IT CAN BE MADEZERO BY CHANGE OF REFERENCEWHEN MEAN IS ZERO,STANDARD DEVIATION IS NOT ZEROA SCALING OR ADJUSTMENT FACTOR EXISTSMAXIMIZEη = - 10 Log 10 [ σ 2 ]28Feb-1Mar 2012 P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP S/N ratio (Dynamic) - 17FRACTION DEFECTIVE TYPE PROBLEMQUALITY CHARACTERISTICS IS A FRACTION P ( 0 TO 1 )TARGET VALUE = ZERONO SCALING OR ADJUSTMENT FACTORMAXIMIZEη = – 10 Log 10 [ P / ( 1 – P ) ]OR MINIMIZENO. OF BAD PIECES TO PRODUCE ONE GOOD PIECE28Feb-1Mar 2012 P.R. Apte : 3-Day Taguchi Method Workshop at UNIMAP S/N ratio (Dynamic) - 18Dyn S/N Ratio - 9
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