A Model-Based Method for Organizing Tasks in Product Development

A Model-Based Method for Organizing Tasks in Product Development

1994 | Steven D. Eppinger, Daniel E. Whitney, Robert P. Smith and David A. Gebala
This research aims to structure complex design projects to develop better products more quickly. It uses a matrix representation to capture the sequence and technical relationships among design tasks, defining the "technical structure" of a project. This structure is analyzed to find alternative task sequences and definitions, streamlining inter-task coordination and improving development progress. The technique has been applied in several organizations, leading to a design management strategy that focuses on essential information transfer requirements. The introduction highlights the challenges of concurrent engineering in large projects, where thousands of engineers make millions of design decisions over years. Effective information transfer among design groups is crucial, but it is often poorly understood and undetected in existing procedures. The goal is to assist large concurrent engineering projects by structuring projects effectively, using detailed models to understand complex interactions and restructure development procedures. The research differs from traditional project management and engineering design by considering detailed models of development procedures and explicitly modeling inter-task dependencies. The approach involves mapping existing or proposed design procedures into arrays representing complex inter-relationships among tasks. This analysis helps document and prioritize tasks, allowing for decoupling, resequencing, and other strategies to improve information flow and decision-making. The method uses Steward’s design structure matrix to create a detailed information-flow description of the project, including task sequences and technical relationships. The paper illustrates the concepts with examples of dependent, independent, and interdependent tasks, emphasizing the challenges of coordinating interdependent tasks and the benefits of structured approaches.This research aims to structure complex design projects to develop better products more quickly. It uses a matrix representation to capture the sequence and technical relationships among design tasks, defining the "technical structure" of a project. This structure is analyzed to find alternative task sequences and definitions, streamlining inter-task coordination and improving development progress. The technique has been applied in several organizations, leading to a design management strategy that focuses on essential information transfer requirements. The introduction highlights the challenges of concurrent engineering in large projects, where thousands of engineers make millions of design decisions over years. Effective information transfer among design groups is crucial, but it is often poorly understood and undetected in existing procedures. The goal is to assist large concurrent engineering projects by structuring projects effectively, using detailed models to understand complex interactions and restructure development procedures. The research differs from traditional project management and engineering design by considering detailed models of development procedures and explicitly modeling inter-task dependencies. The approach involves mapping existing or proposed design procedures into arrays representing complex inter-relationships among tasks. This analysis helps document and prioritize tasks, allowing for decoupling, resequencing, and other strategies to improve information flow and decision-making. The method uses Steward’s design structure matrix to create a detailed information-flow description of the project, including task sequences and technical relationships. The paper illustrates the concepts with examples of dependent, independent, and interdependent tasks, emphasizing the challenges of coordinating interdependent tasks and the benefits of structured approaches.
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