QFD - Quality Function Deployment

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• QFD - Quality Function Deployment

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2
?????? ????? ????? PPM Product Planning Matrix

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??? 6 ????? ????? ?????? ?????? ??? ?????????
???? ???? ??? 7 ????? ???? ??? ?????????.
4
??????? ???? QFD

• ????? ????? ??? ?????? ?????, ????? ?????????
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• ????? ?????? ????? ???? ?????? ?? ????? ??????
  ??? ????? ??????? ????? ???????? ??????? ??
  "?????" ???????.
• QFD ???? ?? ????? ???? ??? ?????? ?????? ?????
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5
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• ??? ??' 1 ?????? ?????
• ????? ????? ????? ????? ??? ???? ?????? ????
• ?"? ?????? ???? ????? ?? ?????? ????? ???????
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• ?????
• ?????? ????? Operation (????? ????, ???')
• ?????? ????? Storage (??? ?????, ??????)
• ?????? ??????
• ?????? ????? ?????
• ?????
• ????

??? ????? ????? ???? ??????? (Priority ) ???
?????? ????? ???? ??? 1 ?-5, ???? 1 ???? ??????
????? ????? ?-5 ???? ?????? ????? ?????.
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• ??? ??' 2 - ????? ??????? ??? ???? ???? ?????
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• ????? ?? ???? ?"? ???? ????? ????? ???? ?????
• ???? ?????? ?????? ????? ?????? ?????.
• ???? ???? ?? ??? ?????? ?????? ??"? ???? ?????
  ??????? ????? ???? ???????.
• ?????? ??? 2 ???? ??

???? ?????
U ?????
M Maytag
W Whirlpool
G GE
F Frigidaire
A Amana

• ????? ??????? Competitive Evaluation
• ?????? ????? ?? ???? ??? 1 (???? ?????) ?
  5 (???? ?????), ?? ?? ???? ????????.

?????? ????? ???? (????? ?????? ???? 1)
???? 2 ???. ???? 3 Maytag ? GE.
???? 4 Amana. ???? 5 Whirlpool.
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2. ???? ?????? Sales Points ???? ????? ?????
?? ??? ???? ????? ????? ????? ?? ?????? ?????? ??
?????.
???? ?? ????? ??? ?? ???? ?????? ???? ?????
??? ???? 1.0
???? ?????? 1.1
???? ???? 1.2
???? ????? ????? ??????? ??? ????? ?? ?????
??????
3. ??? ????? Improvement Goal ????? ????
?????? ????? ???? ?? ????? ????? ????? ????
?????? ????? ?????? ??? ??????? (??? 3 ?
5).
4. ???? ????? Improvement Factor ????? ?????
??? IF1(IG-CE)0.1 ???? IF ???? ?????,
IG ??? ????? ? CE ???? ?- Competitive
Evaluation. ????, ???? ????? "Dispenses
purified water" ???? ????? ??? IF1(3-3)0.11
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5. ???? ????? ???? Relative Development Effort
??? ????? ????? ??? ????? ????? ???? ???? ?????
??? ????? ???? ??????.
?????? ???? ??? ?? ???? ????? ????
?? ???? ???? 0
???? ???? 1
???? ???? ???? 5
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??? ??' 3 - ????? ??????? ??????? ???????? ?????

• ??? ?? ???? ?? ??? ???? ??????? ?????? ?????
  ?????? ?????

????? ?????? ???? ??? (Goal)
???? ????? ? STB
???? ???? ?? ??? ? LTB
???? ????? 0 NTB
??? ??' 4 - ????? ????? ??? ?????? ????? ????????
?????

????? ?? ????? ?"? ???? ????? ?? ???? ?????
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5 ???
3 ??????
1 ???
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??? ??' 5 - ????? ????? ???????? ?? ????????
??????? ??????? .
???? ?? ???? ???? ???????? ???? ?????? ????
?????? ??????? 1. ??? ??? ????????? ????????
??????? ?"? ?????? ????? ??? ??? Target value
????? ??? ??????. 2. ????? ???? ????? ??? ??????
?????? ???? ???????, ??? ?? ???? ???? ????
?????? (i) ????? ???????????? ?? ??? ?????
??????. (ii) ????? ???????????? ??????
??????? ???? ????? ???? 1 ???? ????
?????? ????? ?-5 ???? ????? ?????? ?????.
3. ????? ????? ????? Technical Difficulty
????? ??? ????. 4. ???? ??????? Importance
Rating ???? ?? ?????. ?????? ????? ??? ??? ????
?? ????? ????? (??? ??' 4) ???? ??????
?????? ????? ????? (??? ??' 1) ??? ????
??????? ?? ???? ????? (??? ??' 2) ???? ?????
(??? ??' 2)
IR
11
???? ?????? ?? ?????? ??????? ??????

• IRInsulation efficiency(5411.1) (1311)
• (131.21)
  (351.11.4)
• (351.11.4)74.8
  75

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??? ??' 6 - ????? ????? ?????? ?????? ???
???????? ???????? ???? ???? .

• ????? ?? ????? ?"? ???? ????? ?? ???? ?????
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• ????????? ????????. ?? ??????? ???? ?? ??? ?????
  ?????????? ???
• ??????? ??????? ????? ??????? ??????? ?????

????? ????? ????? ???????????
? Moderate Positive
? Strong Positive
? Strong Negative
? Moderate Negative
?????? ??? ????? Freezer width ??????
Refrigerator shelf depth width ????? ??????????
?????? ????