Type of Document	Dissertation
Author	Chaudhari, Gaurav Singh
Author's Email Address	gauravc@vt.edu
URN	etd-11192008-130731
Title	Information Network Design for Lean Logistics
Degree	PhD
Department	Industrial and Systems Engineering
Advisory Committee	Advisor Name Title Robert Sturges Committee Chair C. Patrick Koelling Committee Member Corina Sandu Committee Member Hazhir Rahmandad Committee Member
Keywords	Lean Supply Chain Management System Dynamics Control Theory
Date of Defense	2008-11-06
Availability	unrestricted
Abstract Manufacturing supply chains are invariably dynamic and complicated in nature. Hence, steady state models are not sufficient for analyzing and designing supply chains. Models of supply chains must accurately capture their dynamic behavior, which is determined by the structure of the organization, and the policies adopted by management. System dynamics modeling provides a powerful framework for this purpose. The use of system dynamics models in supply chain management has thus far been limited to explaining phenomenon like the bullwhip effect, and for policy development. We provide a structured approach for policy design, which doesn’t rely on any simulation experiments. Further, we study the impact that information network design has on the response of supply chains. We use a combinatorial approach to develop guidelines for information network design. Further, we examine the possibility of utilizing a PID information feedback structure to enhance the responsiveness of the supply chain. Lastly, we propose a combined feedback feed-forward information structure to enable a supply chain to rapidly respond to disturbances whose effects are known. The goal of this dissertation is to provide a structured approach for the design of information network structure, and operating policy.
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