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Complexity Management - Optimizing Product Architecture of Industrial Products

of: Michael Marti

DUV Deutscher Universitäts-Verlag, 2007

ISBN: 9783835054356 , 248 Pages

Format: PDF, Read online

Copy protection: DRM

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Price: 95,19 EUR



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Complexity Management - Optimizing Product Architecture of Industrial Products


 

Foreword

6

Preface

7

Brief Contents

10

Table of Contents

12

List of Figures

18

List of Tables

22

List of Acronyms

24

Management Summary

26

Management Summary (Deutsch)

28

1 Introduction

30

1.1 Problem Statement

30

1.2 Research Objectives and Research Question

32

1.3 Reference Frame

34

1.4 Methodological Approach

34

1.5 Thesis Structure

38

2 Background and Fundamental Concepts

42

2.1 Complexity as a Challenge for Enterprises

42

2.1.1 The Two Sides of Complexity

43

2.1.2 External Complexity – Understanding the Market Needs

49

2.1.3 Internal Complexity – The Cost Side of Complexity

56

2.2 The Complexity of Systems

62

2.3 The Importance of Product Architecture

68

2.3.1 Definition and Implications of Product Architecture

68

2.3.2 Modular and Integral Product Architectures

72

2.4 Concluding Remarks

75

3 Literature Review: Existing Concepts

76

3.1 Assessment Criteria

76

3.2 Managing Complexity on a Conceptual Level

77

3.2.1 Mass Customization

78

3.2.2 Lean Management

83

3.2.3 The Concept of Optimum Variety

86

3.3 Tools for Managing Complexity

87

3.3.1 Quality Function Deployment (QFD)

88

3.3.2 Target Costing

93

3.3.3 Design for Variety

97

3.3.4 Design for Configuration

98

3.3.5 Product Modularization

99

3.3.6 Modular Function Deployment

104

3.3.7 Product Platforms

106

3.3.8 Variant Mode and Effects Analysis

112

3.3.9 Variety Reduction Program

115

3.4 Assessment Summary

117

4 Complexity Management Model

120

4.1 Overview

120

4.2 Strategy and Product Life Cycle Assessment

121

4.2.1 Strategic Considerations

122

4.2.2 Product Life Cycle Considerations

136

4.2.3 Summary of Strategy and Product Life Cycle Assessment

141

4.3 Product Complexity Assessment

143

4.3.1 Introduction

143

4.3.2 Quantifying Functionality

145

4.3.3 Quantifying Physical Complexity

149

4.3.4 Drawing the Complexity Matrix

159

4.3.5 Summary of Product Complexity Assessment

161

4.4 Deriving Guidelines for Action

162

4.4.1 Introduction

162

4.4.2 Basic Norm Strategies

165

4.4.3 Influence of Strategic Considerations

174

4.4.4 Influence of Product Life Cycle Considerations

177

4.4.5 Summary of Guidelines for Action

179

4.5 Summary of Complexity Management Model

181

5 Case Studies

184

5.1 Introduction

184

5.2 Railroad Signal

185

5.2.1 Introduction to the Case

185

5.2.2 Application of Complexity Management Model

188

5.2.3 Result of Optimization

198

5.2.4 Discussion

200

5.3 Liquid Handling Platform

201

5.3.1 Introduction to the Case

201

5.3.2 Application of Complexity Management Model

203

5.3.3 Result of Optimization

210

5.3.4 Discussion

211

5.4 Process Industry Compressor

214

5.4.1 Introduction to the Case

214

5.4.2 Application of Complexity Management Model

217

5.4.3 Result of Optimization

223

5.4.4 Discussion

223

5.5 Railroad Switch Lock

226

5.5.1 Introduction to the Case

226

5.5.2 Application of Complexity Management Model

229

5.5.3 Result of Optimization

233

5.5.4 Discussion

233

6 Conclusion

238

6.1 Reflecting on the Research Achievements

238

6.1.1 Answering the Research Question

238

6.1.2 Concluding Model Assessment

238

6.2 Limitations

240

6.3 Reflecting on the Research Methodology

243

6.4 Suggestions for Future Work

245

Appendix A List of Definitions

248

Appendix B Classification of Strategies

250

Appendix C Ballpoint Pen Example

252

Appendix D Complexity Matrix Calculations

254

D.1 Calculating Physical Complexity

254

D.2 Quadrant Borders in the Complexity Matrix

258

D.3 Taking the Logarithm for Complexity Driver Calculations

260

Reference List

264