Supply Networks Implementation

Transcription

1 Supply Networks Implementation INAUGURAL-DISSERTATION zur Erlangung des akademischen Grades eines Doktors der Wittschaftswissenschaften an der Wktschaftswissenschaftliche Fakultat der Bayerischen Juk'us-Maxirnilians-Universitat Wiirzburg vorgelegt von Master of Science Robert Blackburn aus den Vereinigten Staaten von Amerika Professor Dr. Rainer Thome Wurzburg im November 2009

2 CONTENTS Page 1 The Brave New World of Supply Chain Supply Chains Utopia or Reality? Survival Capability of Supply Chains, What is to be analyzed and accomplished in this research and analysis? 6 2 Synopsis of Supply Chain Structures Supply Chain and Network Models Process Step or Direct Dominance Centralized Co-ordination Holistic Cooperation Information Basis of Each Cooperation Form Situational Reality Distinction between Research Fields Improvement of ERP Improvement of Logistics (batches, locations, planning) Service-oriented Architecture Reference modeling Intelligent Agents Consideration of Chain's Length and Number Approach of Software Industry 31 3 Supply Chain Management Problems with Balance of Interests Categorization of Supply Functions Reduction of the Practiced Process Variants Deduction of Connection Rules Function Model of Supply Chains New Requirements for the Structure 42 4 Simulation of Supply Network Models Modeling Tasks Transition Networks with Special Attributes 47

3 4.3 Basic PTN-Models for Supply Networks Coordinated Planning Company 1 - coordinating Sequential Control Company Company 2 - coordinating Sequential Control Company Company 2a coordinating Sequential Control Company 2a Company 3 - coordinating Sequential Control Company Company 4 - coordinating Sequential Control Company Centralized Planning Company 1 centralised Sequential Control Company Company 2 centralised Company 2a centralised Company 3 centralised Company 4 centralised Dominated Planning Planning Component for Company Planning process in Company Functional process in Company Functional process in Company Functional process in Company 2a Functional process in Company Functional process in Company Extension PTN-Models for Supply Networks Results of the Simulation Runs Raw Data Calculation Procedure Analysis and Interpretation of the Calculations Deceleration Effect of the Decentral Planning Deceleration Effect of Computation Cycles Overview of the Results 77 11

4 4.6 Earliest Possible Information Propagation - epip Speed as Information Advantage Usage of Technology 82 5 Reciprocal Dependence of Supply Chain Management and Information Technology Structures of the Digital Order Processing Electronic Data Interchange Internet Communication Electronic Supply Chain Management [escm] is reliant upon Information Processing Observance of Dependency 88 6 Discrepancy between Model Theory and Operational Practice Advantages of Complete Information Restrictions in Developing Transparency Data Volumes as an Obstacle Data Transfer as a Restriction Change as an Obstacle Consideration of the Risks involved in Practice Overview of Supply Risks Avoiding the Pitfalls of Supply Risks Risk Management Information Systems 96 7 Cellular Structures for Supply Network Systems Tasks of Supply Network Cells Information Flow among Cells Formation of an Offer among Extremes Selecting an Offer with Digital Agents Strategy Formation for Digital Agents Evolutionary Algorithms Market Development Growth of Single Cells 105 in

5 7.4 Development of Cell Groups Development by Symbiosis Development by Command Development by Acquisition Volumes and Groups of Cells Training and Motivation of the Participants Development of the Training Material Implementation of the Training of Employees Functional Restrictive Role of IT s Software Development Change Management Satisfaction with Information Processing Satisfaction with One's Own Work Full automation Responsibility for harmonized processes Change through concurrence Planning the change management to IT processes Implementation of Adjustment Consequences of the epip Ideology Management Summary 127 Bibliography 130 Appendix 1 - Glossary of New Terms 142 Appendix 2 - Sample Results of a Simulation Run 143 Appendix 3 - Graphical Results of a Simulation Over Time 144 Appendix 4 Abbreviations 145 Appendix 5 Copyright, Trademarks and Registration 147 Gender-specific references are not intended to limit the statement to gender-specific results. Unless noted otherwise, "he" can readily be substituted for "she", and vice versa. IV