Energy Harvesting for Wearable Sensor Systems

1. Introduction

1.1. Literature Review

1.3. Basic Principle and Boundary Conditions

1.4. EH Architectures

1.5. Objectives of this Work and Major Achievements

1.6. Organization of the Book

2. Theory and Modeling

2.1. Differential Equation of Motion

2.2. Friction Model

2.3. Mechanical Hardstops and Integrator Reset Conditions

2.4. Calculating the Magnetic Flux using Finite Element Analysis

2.6. Induced Voltage, Electrical Damping Force and Power Output

2.7. Model Simplifications and Parameter Uncertainties

2.8. Discussion

3. Geometrical Parameter Optimization

3.1. Optimization Procedure

3.2. Optimization Results

3.3. Discussion

4. Experimental Evaluation of Fabricated Architectures

4.1. Introduction

4.2. Swing Harvester Evolution

4.3. Fabrication

4.4. Experimental Results

4.5. Model Revision and Verification

4.6. Discussion

4.7. Outlook - Additional Experiments

5. Second Optimization Run 

5.1. HAC1

5.2. HAC3

5.3. HAC5

5.4. HAC6

5.5. Discussion

6. Second Generation HAC Experimental Results

6.1. Fabrication

6.3. Conclusion

6.4. Outlook

7. Applications 

7.1. Experimental Setup

7.2. Comparison to Human Gait

7.3. Experimental Results

7.4. Discussion

8. Conclusion and Outlook

8.1. Conclusion

8.2. Viable Applications

8.3. Outlook

A. Appendix

B. List of Publications

Bibliography

Nomenclature