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1. Concurrent Engineering Definition

The concurrent engineering design process was developed to ameliorate the problems associated with the over the wall design process. In short the over-the-wall design process consisted of different departments in a company working on designs in isloation and then Throwing the project over the wall to the next department.

Cheng, L., Lin, Y., He, L., & Cao, Y. Trace-based framework for concurrent development of process and FPGA architecture considering process variation. Concurrent development of software usually takes the form of iterative development. It is the preferred approach when the stakes are high and the understanding of the problem is evolving. Concurrent development allows you to take a breadth-first approach and discover those big, costly problems before it’s too late.

Concurrent Engineering Definition

The complaints about the over-the-wall design systems are discussed below. The products took too long to get to the market. Because many products has to be sent back to previous departments for rework, the length of time for a product to get through the system to market was long. Often competitive products would be the first on the market and take the majority of the profits.

The products produced by the over-the-wall method cost too much. The root cause of this problem could be traced back to the fact that manufacturing engineers were not consulted about the design until the design engineers had finished the design. Often the manufacturing engineers requests for design changes to make the design easier and cheaper caused delays while the design engineers considered the impact of the requested design changes. Figure one shows that early design decisions have much greater impact on the final cost of a product than do decisions made later in the design process. For instance a car manufacturer’s decision about what type of drive train to use is made early in the design process and has a huge impact on the cost of a car. Should the car be powered by a gas engine, diesel engine, electric motor, a hybrid system or a fuel cell?

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