Energy Harvesting for Wearable Sensor Systems: Inductive Architectures for the Swing Excitation of the Leg (Springer Series in Advanced Microelectronics, 62)

Preface
Contents
Nomenclature
List of Figures
List of Tables
1 Introduction
	1.1 Literature Review
		1.1.1 Kinetic Energy Harvesting from the Human Gait
		1.1.2 Examples of Piezoelectric Harvesting Devices
		1.1.3 Examples of Capacitive Harvesting Devices
		1.1.4 Examples of Triboelectric Harvesting Devices
		1.1.5 Examples of Inductive Harvesting Devices
		1.1.6 Examples of Inductive Swing-Excited Harvesting Devices
	1.2 Human Gait as an Excitation Source
		1.2.1 Accelerations of the Foot During Walking
		1.2.2 Accelerations at Other Locations on the Body
	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
	References
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
	2.5 Electromagnetic Coupling Function
	2.6 Induced Voltage, Electrical Damping Force and Power Output
	2.7 Model Simplifications and Parameter Uncertainties
	2.8 Discussion
	References
3 Geometrical Parameter Optimization
	3.1 Optimization Procedure
	3.2 Optimization Results
		3.2.1 HAC1—Axially Polarized Cylindrical Magnets
		3.2.2 HAC3—Coils Within Axially Polarized Ring Magnets
		3.2.3 HAC5—Rectangular Closed Magnetic Circuit
		3.2.4 HAC6—Rectangular Double Halbach Array
	3.3 Discussion
	References
4 Experimental Evaluation of Fabricated Architectures
	4.1 Introduction
	4.2 Swing Harvester Evolution
	4.3 Fabrication
	4.4 Experimental Results
		4.4.1 Experimental Setup
		4.4.2 HAC1
		4.4.3 HAC3
		4.4.4 HAC5
		4.4.5 HAC6
	4.5 Model Revision and Verification
	4.6 Discussion
	4.7 Outlook - Additional Experiments
	References
5 Second Optimization Run
	5.1 HAC1
	5.2 HAC3
	5.3 HAC5
	5.4 HAC6
	5.5 Discussion
	Reference
6 Second Generation HAC Experimental Results
	6.1 Fabrication HAC5
	6.2 Fabrication HAC6
	6.3 Experimental Data
		6.3.1 HAC5—2. Generation
		6.3.2 HAC6—2. Generation
	6.4 Discussion
	Reference
7 Industrial Applications
	7.1 Pneumatic Piston—Setup
		7.1.1 Experimental Setup
		7.1.2 Comparison to Human Gait
	7.2 Pneumatic Piston—Experimental Results
		7.2.1 HAC1—1. Generation
		7.2.2 HAC3—1. Generation
		7.2.3 HAC5—1. Generation
		7.2.4 HAC6—1. Generation
		7.2.5 Discussion
	7.3 Clutch-Brake—Setup
	7.4 Clutch-Brake—Experimental Results
		7.4.1 Discussion
	References
8 Conclusion and Outlook
	8.1 Conclusion
	8.2 Viable Human Body Application
	8.3 Outlook
	References
Appendix Appendix
A.1 Full Experimental Dataset from Treadmill Measurements
A.1.1 HAC1 for Test Person ``1''
A.1.2 HAC1 for Test Person ``2''
A.1.3 HAC1 XL for Test Person ``1''
A.1.4 HAC3 for Test Person ``1''
A.1.5 HAC3 for Test Person ``2''
A.1.6 HAC5 for Test Person ``1''
A.1.7 HAC5 for Test Person ``2''
A.1.8 HAC5 F for Test Person ``1''
A.1.9 HAC5 F for Test Person ``2''
A.1.10 HAC6 for Test Person ``1''
A.1.11 HAC6 for Test Person ``2''
A.2 Second Optimization Run—Scatter Graphs
	Reference
Index