A Method to Identify Energy Efficiency Measures for Factory Systems Based on Qualitative Modeling (eBook)

Dr. Manuela Krones works as a research assistant at the Department of Factory Planning and Factory Management at Chemnitz University of Technology, Germany, and has conducted several projects on the energy efficiency of production and logistics systems.

Preface 5
Foreword 6
Abstract 7
Contents 8
List of Figures 11
List of Tables 14
List of Abbreviations 16
1 Introduction 18
1.1 Motivation 18
1.2 Objectives 19
1.3 Research Design 20
1.4 Structure of the Thesis 22
2 Energy Usage in Industry 25
2.1 Terms and Definitions 25
2.2 Driving Concerns for Energy Efficiency 26
2.2.1 Ecological Effects of Energy Consumption 27
2.2.2 Political Conditions for Energy Efficiency 28
2.2.3 Energy Costs in Industry 29
2.2.4 Structure of Energy Consumption in Industry 31
2.2.5 Energy Saving Potentials 33
2.3 Barriers for Implementing Energy Efficiency in Industry 34
2.4 Interim Conclusion on Energy Usage in Industry 36
3 State of the Art 38
3.1 Models and Modeling 38
3.1.1 Terms and Definitions 38
3.1.2 Model Types 39
3.1.3 Modeling Process and Modeling Principles 41
3.2 System Theory and Systems Engineering 44
3.2.1 Terms and Definitions 44
3.2.2 Systems Engineering Methods and Tools 45
3.2.3 Decision-Making Methods 46
3.3 Knowledge Management 48
3.3.1 Terms and Definitions 48
3.3.2 Knowledge Representation 50
3.4 Factory Planning and Factory Management 54
3.4.1 Terms and Definitions 54
3.4.2 Factory Systems 55
3.4.3 Factory Planning Tasks and Approaches 57
3.5 Approaches to Increase Energy Efficiency in Factories 62
3.5.1 Norms and Standards 62
3.5.2 Industrial Cooperations and Commercial Offers 65
3.5.3 Generalized Energy Efficiency Principles 66
3.5.4 Systematic Methods for Energy Efficiency Improvement 70
3.5.5 Assessment of Existing Methods 77
3.6 Interim Conclusion on the State of the Art 82
4 Method to Identify Energy Efficiency Measures for Factory Systems 85
4.1 Goals and Requirements 85
4.2 Overview on Methodical Approach 87
4.3 Description of the Object System 89
4.3.1 General Characteristics of Factory Types 89
4.3.2 Hierarchical Description of Factory Systems 90
4.3.3 Functional Description of Factory Systems 92
4.4 Description of the Energy Efficiency Influential Parameters 95
4.4.1 Extended Functional Model of the Object System 95
4.4.2 Influential Parameters on the Energy Efficiency of Buildings 98
4.4.3 Influential Parameters on the Energy Efficiency of Work Centers 103
4.4.4 Influential Parameters on the Energy Efficiency of Components 105
4.5 Description of the Project Characteristics 107
4.6 Description of the Actor 110
4.7 Description of the Energy Efficiency Measures 115
4.8 Description of the Measure Implementation Support 123
4.9 Matching Algorithm for Assigning Energy Efficiency Measures 128
4.10 Procedure Model for Method Application 134
4.11 Results of the Method Development 137
5 Validation 140
5.1 Validation Concept 140
5.2 Review of Methodical Requirements 141
5.3 Prototype 144
5.4 Case Study 1: Planning of Welding Processes 148
5.4.1 Goal Definition 148
5.4.2 Basics on Welding Processes 148
5.4.3 Situation Analysis 151
5.4.4 Identification of Energy Efficiency Measures 154
5.4.5 Interpretation of Case Study Results 161
5.5 Case Study 2: Planning of Logistics Systems 162
5.5.1 Goal Definition 163
5.5.2 Situation Analysis 164
5.5.3 Identification of Energy Efficiency Measures 169
5.5.4 Assessment and Selection of Energy Efficiency Measures 174
5.5.5 Interpretation of Case Study Results 179
5.6 Validation Results 180
6 Conclusions 183
6.1 Summary 183
6.2 Outlook 185
References 187
Appendix 214
A1 Additional Material for Case Study 1 214
A2 Additional Material for Case Study 2 215