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Combating System-Level Quality Problems in Complex Product Development
(Massachusetts Institute of Technology. Engineering Systems Division, 2007-02)
As products become more complex and their development involves more technologies, people, and companies, it is no longer sufficient to ensure that each part, component, or subsystem is designed and made correctly. Problems ...
Measuring and Understanding Hierarchy asMeasuring and Understanding Hierarchy as an Architectural Element in Industry Sectors an Architectural Element in Industry Sectors
(Massachusetts Institute of Technology. Engineering Systems Division, 2009-06)
Hierarchy is a generic structure in which levels are asymmetrically ordered. In an industry setting, classic supply chains display strict hierarchy, whereas clusters of firms have linkages going in many different directions. ...
Connectivity Limits of Mechanical Assemblies Modeled as Networks
(Massachusetts Institute of Technology. Engineering Systems Division, 2004-11)
This paper applies network connectivity analysis to mechanical assemblies. Assemblies have extensive intentional structure while simultaneously displaying some of the properties of previously analyzed networks. Fundamental ...
Physical Limits to Modularity
(Massachusetts Institute of Technology. Engineering Systems Division, 2002-05)
Architecture, specifically the definition of modules and their interconnections, is a central concern of engineering systems theory. The freedom to choose modules is often taken for granted as an essential design decision. ...
Degree Correlations and Motifs in Technological Networks
(Massachusetts Institute of Technology. Engineering Systems Division, 2005-08)
Recent network research has sought to characterize complex systems with a number of statistical metrics, such as power law exponent (if any), clustering coefficient, community behavior, and degree correlation. A larger ...
Growth Patterns of Subway/Metro Systems Tracked by Degree Correlation
(Massachusetts Institute of Technology. Engineering Systems Division, 2011-08)
Urban transportation systems grow over time as city populations grow and move and their transportation needs evolve. Typical network growth models, such as preferential attachment, grow the network node by node whereas ...
A New Model Of Cascades On Random Networks With A Threshold Rule Fundamentals
(Massachusetts Institute of Technology. Engineering Systems Division, 2009-10)
Percolation or cascades on random networks are typically analyzed using generating functions. This approach requires that the network be assumed infinite and weakly connected. These assumptions are not obeyed by real or ...
Do-It-Right-Fisrt-Time (DRFT) Approach to DSF Restructuring
(Massachusetts Institute of Technology. Engineering Systems Division, 2001-09)
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 ...
Designing a Requirement Driven Product Development Process
(Massachusetts Institute of Technology. Engineering Systems Division, 2001-09)
This paper presents a technique to obtain a Design Structure Matrix (DSM) from a Design Matrix (DM). This technique enables us to obtain the design information flow pattern at early stage of the design, and apply the DSM ...