1. QFD를 통한 설계단계에서의 품질향상 김 광 재 포항공과대학교 산업공학과 전화: 054-279-2208
김 광 재
포항공과대학교
산업공학과
전화:
Fax:
URL:

2. QFD의 개관

3. Missing Link
IE, POSTECH
Quality Engineering Lab.

4. Breaking Down Barriers
IE, POSTECH
Quality Engineering Lab.

5. Quality Lever 100:1 10:1 1:1 PAYOFFS Product Design Process Design
Production
Improve
Product
100:1
10:1
1:1
PAYOFFS
IE, POSTECH
Quality Engineering Lab.

6. Tools for Quality Improvement
IE, POSTECH
Quality Engineering Lab.

7. Japanese / U.S. Engineering Change Comparison
IE, POSTECH
Quality Engineering Lab.

8. QFD: Applications in 1990’s
QFD Applications Presented at Annual QFD Symposium

9. QFD: Applications in 1990’s (continued)
Manufacturing
Automotive, Electronics, Computer, Aerospace, etc.
Service
Healthcare, Education, Hotel, Telecommunications, Energy, etc.
Administration
Strategic planning, Organization/Process Reengineering,
Human resource management, Marketing, Auditing, etc.
Others
Software design, Information systems, Military, Construction industry,
Environment, etc.
IE, POSTECH
Quality Engineering Lab.

10. QFD: Selected Applications in Electronics Industry
DEC (1988): Vax Cluster Product Line
Motorola (1990): Private Trunked Systems
Raychem (1992): Coaxial Cable connector for CATV
Hewlett Packard (1992): A Multimeter
IBM (1993): VLSI Package (Plastic Quad Flat Packs)
Sandia Lab (1993): LiTC “D” Cell Battery
Nokia (1994): Television Set
Samsung Electronics Co. (1996): Memory Product (DRAM)
Whirlpool (1997): Vip 34 Microwave Oven
Beko Electronics (1997): Ideal TV Set
IE, POSTECH
Quality Engineering Lab.

11. House of Quality의 작성

12. House of Quality: Schematic
IE, POSTECH
Quality Engineering Lab.

13. House of Quality: Video Game

14. HOQ 작성 Guideline (1)
IE, POSTECH
Quality Engineering Lab.

15. HOQ 작성 Guideline (2)
IE, POSTECH
Quality Engineering Lab.

16. House of Quality: MOFA FUSE Example
IE, POSTECH
Quality Engineering Lab.

17. House of Quality: Air Conditioning Control Device (Eaton)
IE, POSTECH
Quality Engineering Lab.

18. House of Quality: Car Door Example
Energy to close the door
Check force on level ground
Check force on 10% slope
Door seal resistance
Road noise reduction
Water resistance x 1 2 3 4 5 6
Easy to close from outside
Stays open on a hill
Rain leakage
Road noise
Cost
Customer
Attributes
Engineering
Characteristics
ours
A's
B's
C's
D's
E's
F's
min.
max.
Customer Perceptions x1
Relative importance
Objective measures
Our car door
Company A's car door
Company B's car door
Company C's car door
Company D's car door
Company E's car door
Company F's car door
minimum
maximum
Measurement units
Z Value
0.3
0.2
0.1
ft-lb lb
lb/ft db
psi
1.6
1.7
3.7
3.0
4.0
1.8
2.9
4.9
2.5
3.3
1.1
2.7
2.2
3.8
3.6
3.9
3.2
3.1
3.5
1.4
2.8
4.2
4.3
.50
.46
.64
.57
.45
.58
.42 11 9
9.5
8.5 10
10.5
8.9 12 14 13 15 8 7
7.5
6.5
5.5 70 60 65 63 50
100
(Whats)
(Customer Competitive
Analysis)
Design Tradeoffs
(Hows) x2 x3 x4 x5 x6 y1 y2 y3 y4 y5
IE, POSTECH
Quality Engineering Lab.

19. QFD 관련 연구동향

20. Setting Target EC Values (Kim et al. 1999)
QFD: Research Issues
Setting Target EC Values (Kim et al. 1999)
Design Problem Complexity Reduction
- Design Decomposition (Kim and Shin 1997; Shin and Kim 1999)
- Restructuring an HOQ (Shin and Kim 1997; Shin, Fong, and Kim 1998)
Decision Support System for QFD (Moskowitz and Kim 1997; Kim and Seppala 1999)
Others
- Consistency Check of HOQ Information (Shin, Kim, and Chandra 1999)
- Choice of Weighting Scale (Shin and Kim 1999)
- Sensitivity of Design Parameters
IE, POSTECH
Quality Engineering Lab.

21. QFD 관련 참고문헌

22. QFD 관련 참고문헌
Hauser, J. R. and Clausing, D. “The House of Quality,” Harvard Business Review, Vol. 66,
1988, pp
김광재, "QFD를 통한 설계단계에서의 품질 향상," IE 매거진, 2권 1호, 1995년 3월, pp
Kim, K. and Moskowitz, H., "Quality Function Deployment: Optimizing Product/Process Design,”
Integrated Product, Process and Enterprise Design (Ed. Ben Wang), Chapman & Hall, London,
1997, pp
Kim, K., “Quality Function Deployment: Basic Mechanism,” IE671 Class Notes, POSTECH.
포항공과대학교 산업공학과 품질공학연구실 홈페이지 (
IE, POSTECH
Quality Engineering Lab.