Planning Support of Initial Design Process Based on Grouping and Ordering of Tasks – Design Example of an Integrated Circuit

Year: 2010
Editor: Wynn, D.C.; Kreimeyer, M.; Eben, K.; Maurer, M.; Lindemann, U.; Clarkson, P.J.
Author: Hirao, A.; Koga, T.; Aoyama, K.
Section: Planning
Page(s): 83-96


This paper looks to support the derivation of a better design process within the early design stage, where the input and output of a task are not decided. We recognized that a good design process needs
to consider the following two viewpoints.
(i) Good Task-grouping
- Each group involved has the intention to read and understand design plans from functional and structural viewpoints.
- Consideration is given to reducing the amount of influence between groups, and an optimized, whole-product design is recognized by undertaking independent design activities.
(ii) Good Order of Task-processing
- The design order should not involve a large number of design-rework and modification risks.
- The remaining areas—in which a rework is inevitable—should be clearly specified.
- Important values can be decided in the upper stream of design, where designers have a relatively high degree of freedom.
These two viewpoints are supposed to influence each other. Through them, we tried to derive a good design process by examining the group and the overall process bilaterally.

Keywords: Product Development Management, Design Process, Constraint Network, Task Planning, Design Structure Matrix, Dulmage–Mendelsohn Decomposition


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