Traditional Engineering
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Traditional engineering, also known as sequential engineering, is the process of
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, engineering
design A design is the concept or proposal for an object, process, or system. The word ''design'' refers to something that is or has been intentionally created by a thinking agent, and is sometimes used to refer to the inherent nature of something ...
,
manufacturing Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation. It is the essence of the secondary sector of the economy. The term may refer ...
, testing and
production Production may refer to: Economics and business * Production (economics) * Production, the act of manufacturing goods * Production, in the outline of industrial organization, the act of making products (goods and services) * Production as a stat ...
where each stage of the development process is carried out separately, and the next stage cannot start until the previous stage is finished. Therefore, the information flow is only in one direction, and it is not until the end of the chain that errors, changes and corrections can be relayed to the start of the sequence, causing estimated costs to be under predicted. This can cause many problems; such as time consumption due to many modifications being made as each stage does not take into account the next. This method is hardly used today, as the concept of
concurrent engineering Concurrent engineering (CE) or concurrent design and manufacturing is a work methodology emphasizing the parallelization of tasks (i.e. performing tasks concurrently), which is sometimes called simultaneous engineering or integrated product develo ...
is more efficient. Traditional engineering is also known as over the wall engineering as each stage blindly throws the development to the next stage over the wall.


Lean manufacturing

Traditional manufacturing has been driven by sales forecasts that companies need to produce and stockpile inventory to support. Lean manufacturing is based on the concept that production should be driven by the actual customer demands and requirements. Instead of pushing product to the marketplace, it is pulled through by the customers' actual needs.


Sequential engineering stages

# Research # Design # Manufacture # Quality Control # Distribution # Sales


Disadvantages of sequential engineering

# This orderly step-by-step process will bring control to complex projects but is very slow. # In today’s highly competitive market place this can lead to product failures and lost sales.


See also

*
Waterfall model The waterfall model is a breakdown of developmental activities into linear sequential phases, meaning that each phase is passed down onto each other, where each phase depends on the deliverables of the previous one and corresponds to a speciali ...


References

Engineering concepts Product management Supply chain management {{engineering-stub