House of quality refers to a well known process for product development that is inspired by customer desires for product or process development and anchored by the capabilities and resources of the organization seeking to meet those desires. Beginning with the initial matrix commonly termed the house of quality figure 1 the qfd methodology focuses on the most important product or service attributes or qualities.
These are composed of customer wows wants and musts.
House of quality. What is the house of quality. Finally those using the qfd process will identify critical characteristics and develop controls inspections and tests to ensure that those characteristics are met. Toyota and its.
The house of quality hoq is defined as a product planning matrix that is built to show how customer requirements relate directly to the ways and methods companies can use to achieve those requirements. The house of quality or quality function deployment is a useful tool that six sigma black belt practitioners use during the define phase of the dmaic cycle of six sigma projects the topic can be briefly discussed in green belt training or sometimes on online free six sigma courses however the house of quality is one of the more advanced lean techniques. It is a process of listening to customers translating their desires into a written plan prioritizing steps of execution based on what is most important.
It identifies and classifies customer desires what s identifies the importance of those desires identifies engineering characteristics which may be relevant to those desires how s correlates the two allows for verification of those correlations and then assigns objectives and priorities for. It s called the house of quality because of the correlation matrix that is roof shaped and sits on top of the main body of the matrix. The qfd house of quality may sound like a french couture designer but it is actually a voice of the customer analysis tool.
The house of quality is a voice of customer analysis tool and a key component of the quality functional deployment technique. It starts with the voice of the customer. It is a tool to translate what the customer wants into products or services that meet the customer wants in terms of engineering design values by way of creating a relationship.
Definition of house of quality. House of quality is actually a matrix and is also termed as quality matrix. House of quality can be defined as the most convenient easy and simple tool used to convert the customer needs into technical descriptors for the firm.
The house of quality the basic design tool of the management approach known as quality function deployment qfd originated in 1972 at mitsubishi s kobe shipyard site. House of quality diagrams use a design that resembles the outline of a house and can be created using technical and competitive benchmarking data. The house of quality is the first matrix in a four phase qfd quality function deployment process.
The matrix gives us details such as customer requirements technical descriptors priority levels of the various descriptors the relationship between the. The house of quality a part of qfd is the basic design tool of quality function deployment.