Do-It-Right-Fisrt-Time (DRFT) Approach to DSF Restructuring
Name
esd-wp-2002-04.pdf
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240.12 KB
Format
Adobe PDF
Checksum (MD5)
9b77d367ceb20cf5f7cc88ea78f46312
Author(s)
Yassine, Ali A.
Whitney, Daniel E.
Lavine, Jerry
Zambito, Tony
Date Issued
September 2001
Publisher
Massachusetts Institute of Technology. Engineering Systems Division
Series/Report no.
ESD Working Papers;ESD-WP-2002-04
Abstract
In this paper, we argue, using two real-world applications from the automotive industry, that the biggest benefit of a Design Structure Matrix (DSM) model may come not from resequencing and partitioning, but rather from “rewiring” the process/blocks. By “rewiring” we mean redefining relationships among elements and/or inserting new elements into the matrix. This requires intimate understanding of the process and cannot be done with application of context-free partitioning algorithms.
The Do-it-Right-First-Time (DRFT) approach to DSM restructuring is another way to look at a DSM by inspecting the sources of iteration within a block and reversing it through inserting a DRFT activity at the beginning of the block. In other words, we reverse the traditional Design-Build-Test “Cycle” into a DRFT-Design-Build “Sequence”. That is, the "wiring diagram" of a process or system overpowers the behavior of the individual nodes, so changing the system requires changing the wiring.
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