Title page for ETD etd-11192008-130731

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
Sturges, Robert H. Committee Chair
Koelling, Charles Patrick Committee Member
Rahmandad, Hazhir Committee Member
Sandu, Corina Committee Member
  • Lean
  • Supply Chain Management
  • System Dynamics
  • Control Theory
Date of Defense 2008-11-06
Availability unrestricted
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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