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Quality Function Deployment (sometimes called the House of Quality) is another of those strangely-named methods that are literal translations of Japanese.

In the product development process there is a sequence of transformations, such as requirements to specification, specification to design, design to fabrication, specification to tests, etc. It is easy for the customer requirements to become lost in these chains. Quality Function Deployment (or QFD) addresses this problem by using a matrix at each transformation point to map forwards what is often called the 'voice of the customer'.

The first matrix used typically maps customer needs (the 'what') to the function or process that provides the need (the 'how'). Correlation between the 'how's adds a 'roof' to the matrix, which leads to the sometimes-used name of the 'House of Quality'. Cascaded matrices are used to propagate the customer voice through more detailed parts of the design and solution stages.

QFD Papers
Link to several useful QFD papers including "QFD and the Expanded House of Quality"; although this paper was written by Bob Hales in 1990, it can still provide a useful introduction into Quality Function Deployment...
Pro Action Development

Jurassic QFD
 (pdf 395 kb)
Presented at the 11th Symposium on QFD, 1999 by Andrew Bolt, MD Robotics project leader, and Glenn Mazur. QFD was used to design an animatronic Triceratops for Universal Studio's new Jurassic Park. Going to the gemba helped the QFD team bring this animal to life, and reduce the number of joints by 2/3. Winner of the Design Engineering 1999 Gold Medal. ...
Glenn Mazur

Continual Improvement Tools & Techniques
A Guide for Business Improvement

Continual Improvement Tools & Techniques: A Guide for Business Improvement
View larger image

This guide explains how to carry out more than twenty tools & techniques necessary to ensure your business continually improves.

Topics covered include:

Affinity diagrams, Bar charts, Black & white charts, Brainstorming, Cause & effect diagrams, Design of Experiments (DoE), Failure Mode, Effect and Criticality Analysis (FMEA/FMECA), Fault Tree Analysis (FTA), Five WHY’s for root cause analysis, Five Ws & one H for problem definition, Flow charting, Histograms, Pareto analysis, Pictograms, Pie charts, Plan-Do-Check-Act (PDCA) cycle, Quality Function Deployment (QFD), Rating, Repeatability and Reproducibility tests (R&R), Run charts, Significance testing, Solution effect diagrams

Also includes a handy matrix showing when to apply which tool & technique.

Further reading

Step-by-Step QFD: Customer-Driven Product Design, Second Edition

Step-by-Step QFD: Customer-Driven Product Design, Second Edition
John Terninko

Wouldn't it be great if you could design a product with the customer in mind-right from the very start? Well, now there's a way: Quality Function Development, or QFD, translates the needs of the consumer directly into the design and development of new products and services. By focusing on customer needs and incorporating them into every phase of the manufacturing process, it eliminates waste and improves customer satisfaction. And that means increased sales, greater profits and a bigger share of the market.Step-by-Step QFD is a practical, hands-on guide to implementing QFD at any organization. Written by an expert in the field, it shows how the intensive study of consumer needs can be used to help you dramatically outperform the competition. In fact, the strategies outlined in this book have already met with great success at a number of corporations both within and outside of the United States. This workbook includes a case study of QFD in action, 34 helpful workshops and an analysis of the synergy between QFD, TRIZ and Taguchi. So whether you're a QFD trainer, project manager, design engineer or manufacturer, Step- by-Step QFD will show you how to let one voice drive your entire design process- the customer's!

Buy UK Buy US  

Japan Business Consultants, Ltd.
Japan Business Consultants Ltd. is the site of Glenn Mazur the world renowned expert and exponent of Quality Function Deployment. The site contains a vast array of papers and case studies on QFD as well as Hoshin and Theory of Inventive Problem Solving (TRIZ)...

QFD Institute
The QFD Institute was sanctioned in 1993 by Dr. Yoji Akao, QFD’s co-founder, to research and develop state-of-the-art methods, tools, and training. It is a non-profit organization largely operated by volunteers...

International Council for QFD
The ICQFD represents the coordinated efforts of QFD practitioners and researchers worldwide. On the site you can find information about QFD events and issues...






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