Quality Function Deployment for Competitive Advantage

The understanding of the voice of the customer -needs, measurable characteristics of the needs,
internal as well as external - is key to implementingrelationship in between the needs and the characters
business strategies for a Six Sigma company. VOCmeasured in high, medium or low, comparison with
data is useful to ensure that the data collated is realcompetitors, competitive benchmarking and preliminary
and factual and relevant to the goals of the business.targets meeting the customer's requirements.
A useful and structured tool that helps to understandOnce these elements are identified, a relationship to
the requirements of the customers and translate themthe measurable customer's needs and their strengths
into business deliverables is the Quality Functionare determined. Finally, the analysis to establish the
Deployment (QFD) tool.improvements is done.
The QFD tool focuses on the positive qualities thatSecond House Of Quality - Company's House
lead to customer delight. It finds objects that mayThe second house is the company's house. The goal
delight the customer and improves upon them. QFD isof this house is to decide on the actions that are to be
useful when the business is aware of the customer'staken to satisfy customer needs. This house is
requirements, but is unable to have internalgenerally constructed in the measure and analyze
measurements comparative to the requirements.phase.
It is useful when a large investment is needed for aThird House of Quality - Process House
new product. When there is no agreement onThis house is the house of the process and
delivering customer requirements and there is stiffconstructed in the analyze phase. An analysis is done
competition in the market segment, QFD can be ofto find which processes should be implemented to
great assistance.meet the customer's requirements.
How Does QFD Work?A new process may even be developed if the need is
The basic idea of QFD is to create a link between thefelt.
attributes that the customers voice and design themFourth House of Quality - Process Control House
based on parameters from which the specificThis is the house of process control and constructed in
contributing actions and responsibilities of functions canthe control phase. Its aim is to find the control variables
be identified. The structure is organized and is oftenused to satisfy customer needs.
termed as the House of Quality. It is useful when thereIt may not be necessary to construct all four houses
is involvement of cross-functional teams.of QFD. It should be used to meet customer
The structure of House of Quality is built in four steps:requirements from the development stage to the
First house of quality - Customer's Housedelivery stage and it should agree on the
The first house is the customer's house. In this house,measurement systems and performance
the goal is to transform the voice of the customer intospecifications to improve the company's strategic
simple, clear language. Companies have to understandcompetitiveness.
the metrics on which the customer decides whetherBy including the steps to improve on both spoken and
their requirements are met, and then develop itsunspoken requirements, it helps gain a competitive
internal metrics that determine customer requirements.advantage.
The key elements of the first house are customers'