Analyzing Multiple Product Development Projects Based On Information and Resource Constraints
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multi-DSM.pdf
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172.85 KB
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Adobe PDF
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83fac65561bc875e43b84db82404b74e
Author(s)
Yassine, Ali
Browning, Tyson
Date Issued
September 17, 2002
Abstract
Product development (PD) and engineering design processes are often characterized by the
information flowing among activities. In PD, this flow forms a complex activity web—a process
that can be viewed as a complex system. Most literature on the subject of information flow in
PD focuses on a single project, where precedence information constraints (based solely on
necessary information and possible assumptions) determine the execution sequence for the
activities and the resultant project lead-time. In this paper, we consider multiple PD projects that
share a common set of design resources. Especially in this setting, precedence information
availability is insufficient to assure that activities will execute on time. We extend the
information flow modeling literature by including resource availability. We model several PD
projects as a portfolio, where activity execution is based on both information and resource
availability. We demonstrate the effects of accounting for resource constraints on both
individual projects’ and portfolio lead-time distributions.
Subjects
Product development
engineering design
Resource constraints
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