Lecture 04: Design Structure Matrix (DSM) - MIT OpenCourseWare

ESD.36J System & Project Management

Lecture 4

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- Design Structure Matrix

Instructor(s)

Prof. Olivier de Weck

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Reminder

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Term Project Proposals are due today !

- ESD.36 SPM

2

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Today's Topic

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DSM Introduction Project Graphs --> Task-based DSMs DSM Operations

sequencing partitioning Tearing

DSM Example

Humanitarian Logistics Project

DSM Tools and References

- ESD.36 SPM

3

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- Lessons Learned from CPM

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Focuses attention on a subset of critical tasks Determine effect of shortening/lengthening tasks Links task durations to schedule

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Doesn't capture task iterations, in fact ... Prohibits iterations = called "cycle error"

However, iterations are one of the essential features of design and development projects

- ESD.36 SPM

4

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PERT and CPM Charts

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4

2

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Start

3

4

Finish

Simple network diagrams are easy to understand.

We cannot represent the coupled/iterative task relationships.

- ESD.36 SPM

6

5

prohibited

days activity and duration activity precedence critical path

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