A design change is the modification conducted to the
product
Product may refer to:
Business
* Product (business), an item that serves as a solution to a specific consumer problem.
* Product (project management), a deliverable or set of deliverables that contribute to a business solution
Mathematics
* Prod ...
. It can happen at any stage in the
product development
In business and engineering, new product development (NPD) covers the complete process of bringing a new product to market, renewing an existing product or introducing a product in a new market. A central aspect of NPD is product design, along ...
process.
The design changes that happen early in the
design
A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process or the result of that plan or specification in the form of a prototype, product, or process. The verb ''to design'' ...
process are less expensive when compared to those that take place after it is introduced into full-scale production. The cost of the change increases with its development time. Fundamentally, the design changes can be classified into pre production and post production design changes. The pre-production changes can happen in the
conceptual design Conceptual design is an early phase of the design process, in which the broad outlines of function and form of something are articulated. It includes the design of interactions, experiences, processes, and strategies. It involves an understanding of ...
stage,
prototype stage, detailing stage, testing stage. The post -production stage change will happen almost immediately the product is introduced into the production. This might be due to several reasons such as
market response
Market is a term used to describe concepts such as:
*Market (economics), system in which parties engage in transactions according to supply and demand
*Market economy
*Marketplace, a physical marketplace or public market
Geography
* Märket, an ...
,
design fault
A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process or the result of that plan or specification in the form of a prototype, product, or process. The verb ''to design'' ...
s uncovering, design mistakes, not meeting customer requirements, so on and so forth. One of the tools to minimize this type of design change is
House of Quality
Quality function deployment (QFD) a method developed in Japan beginning in 1966 to help transform the voice of the customer into engineering characteristics for a product.Larson et al. (2009). p. 117. Yoji Akao, the original developer, described Q ...
.
See also
*
Change control
Within quality management systems (QMS) and information technology (IT) systems, change control is a process—either formal or informal—used to ensure that changes to a product or system are introduced in a controlled and coordinated manner. I ...
*
Change management (engineering) The change request management process in systems engineering is the process of requesting, determining attainability, planning, implementing, and evaluating of changes to a system. Its main goals are to support the processing and traceability of cha ...
*
Engineering change order
An engineering change order (ECO), also called an engineering change notice (ECN), engineering change (EC), or engineering release notice(ERN), is an artifact used to implement changes to components or end products. The ECO is utilized to contro ...
References
Further reading
#Hauser J R, Clausing D, "The House of Quality", Harvard Business Review
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Design