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????1??????????????
??????????????????????????????????????????“?????д????”?????????????ù???????????й????????????????????淶???????????????????????????PDCA /8D/DMAIC?????????????????????ν???????????????????????????????????????????????????????????????????????????????????????????????ù????????????????衣

????2??PDCA???
????PDCA?????????????????????“????????????”???????“??????”???????????????????????????????????????????“Plan??? ??Do??С?Check??顢Action ???”??????????????
????PDCA??÷?Χ??????????????????????????“???????С???顢???”???????????????????????????е??????Щ??
????3??8D????????
????????????????????????????????8D??Eight-Disciplines????????——“???±??1520”???????“?????????????ж?????????”?? 1987??????????????????????????8D???????????γ????????????????????“???????????????”??Team Oriented Problem Solving???? ????????????????????????Щ???????????????????????????y?????????????????????????????γ?????????????
????8D????????????????????????????????????????????????????????????????Ч???????
????4??DMAIC????
????DMAIC??????????????????????????????????????????????????????????????????????????????????ж???????????????DMAIC???????Define??????Measure??????Analyze?????Improve??????Control?????ι?????????????????????????????????????????????????????????????????????DFSS??Design for Six Sigma????д???????????????2?????????????????????6???????????????“????D”??“????M”??“????A”??“???I”??“????C”5????ε???????????????????????????蹹?ɡ??????Motorola??GE??6Sigma Plus??Smart Solution????????????費????????е????6???????е????12??????24????????????????????????????????