Chapter
2.6.4 Application of Cylindrical Resonator
Chapter 3 - Low Power Rectenna Systems for Wireless Energy Transfer
3.1.1 History of Wireless Power Transfer
3.1.2 Wireless Power Transfer Techniques
3.1.2.2 Electromagnetic wave propagation
3.2 Low Power Rectenna Topologies
3.2.1.1 Series-mounted diode
3.2.1.2 Shunt-mounted diode
3.2.1.3 Voltage-doubler topology
3.2.1.4 Diode bridge topology
3.2.1.5 Transistor-based rectennas
3.2.2 Rectenna Associations
3.2.3 Modeling a Rectenna
3.2.4 A Designer’s Dilemma
3.2.4.1 Output characteristics
3.2.4.2 Antenna impedance influence
3.3 Reconfigurable Electromagnetic Energy Receiver
3.3.1 Typical Application
3.3.2 Rectenna Circuit Configuration
3.3.3 Reconfigurable Architecture
3.3.3.2 Global performance
3.3.3.3 Output load matching
Chapter 4 - Wireless Power Transfer: Generation,Transmission, and Distribution Circuit Theory of Wireless Power Transfer
4.2 Criteria for Efficient Resonant Wireless Power Transfer
4.2.1 High Power Factor (cos θ = 1)
4.2.2 High Coupling Coefficient (k ≈ 1)
4.2.3 High Quality (Q >> 1) Factors
4.2.5 Focusing of Magnetic Field
4.3 Resonant Wireless Power Transfer
4.3.1 Higher-Order WPT Systems
4.4 Loosely Coupled Wireless Power Transfer System
Chapter 5 - Inductive Wireless Power Transfer Using Circuit Theory
5.2 Advantages of Inductive Coupling for Energy Transfer
5.3 Applications of Inductive Power Transfer
5.4 Fundamentals of Inductive Coupling
5.4.1 Inductive Coupling and Transformer Action
5.4.2 Resonant Circuit Topologies
5.4.3 Power Transfer across a Poorly Coupled Link
5.4.4 Near-and Far-Field Regions
5.4.5 The Importance of the Loop Antenna
5.4.6 Small Loop of Constant Current
5.4.7 The Loop in Transmitting Mode
5.4.8 The Loop in the Receiving Mode
5.5 Mutual Inductance of Coupled Coils
5.6 The Loosely Coupled Approximation
Chapter 6 - Recent Advances on Magnetic Resonant Wireless Power Transfer
6.2.2 The Series Resonant Circuit
6.2.3 Adding Resonators to the Coupled Inductors
6.2.4 Maximum Efficiency, Maximum Power on the load,and Conjugate Matching:Two-Port Case
6.2.5 Maximum Efficiency: N-port Case
6.2.6 Scattering Matrix Representation of a Wireless Power Transfer Network
6.3 Four Coupled Resonators
6.4 Travelling Waves, Power Waves and Conjugate Image Impedances
6.4.1 TravellingWaves and Power Waves
6.4.2 Conjugate Image Impedances
6.5 Measurement of the Resonator Quality Factor
6.6 Examples of Coupled Resonators for WPT
6.7 Design of the Oscillator Powering the Resonant Link
6.9.1 MATLAB function for single-loop inductance computation
6.9.2 MATLAB function for two coaxial conducting loops mutual inductance computation
Chapter 7 - Techniques for Optimal Wireless Power Transfer Systems
7.2.1 Splitting of Coupling Coefficients
7.2.2 Doubling of Coil Radius
7.3.2 Effect of Concentrator Quality Factor
7.3.3 Effect of Concentrator Radius
7.4 Approximate Magneto-Inductive Array Coupling Functions
7.4.1 System Specifications
7.4.2 Power Relations in Inductive Systems
7.4.3 Algorithm for Approximate Transfer Function
7.4.4 Interpretation of Algorithm
7.5 Wireless Feedback Modelling
7.5.2 Q-Based Explanation of Wireless Closed-Loop Transfer Function
Chapter 8 - Directional Tuning/Detuning Control of Wireless Power Pickups
8.1.2 Dynamic Tuning/Detuning Control
8.2 Directional Tuning/Detuning Control (DTDC)
8.2.1 Fundamentals of DTDC
8.2.2 Coarse-Tuning Stage
8.2.2.1 Coarse tuning in region A
8.2.2.2 Coarse tuning in region B
8.2.2.3 Coarse tuning in region C
8.2.2.4 Coarse tuning in region D
8.2.3.1 Fine-tuning between regions A and B
8.2.3.2 Fine-tuning between regions C and D
8.2.4 Design and Performance Considerations of DTDC
8.2.5 Standard Procedure of DTDC
8.3 DTDC-Controlled Parallel-Tuned LC Power Pickup
8.3.1 Fundamentals of Parallel-Tuned LC Power Pickup
8.3.2 Controllable Power Transfer Capacity of Parallel-Tuned LC Power Pickup
8.3.3 Effects of Parameter Variations on Output Voltage of Parallel-Tuned LC Power Pickup
8.3.4 Operating Frequency Variation
8.3.5 Magnetic Coupling Variation
8.3.7 Operating Range of Variable CS
8.3.7.1 Maximum required ratio (radj pv max)
8.3.7.2 Minimum required ratio (radj pv min)
8.3.8 Implementation of DTDC Controlled Parallel-Tuned LC Power Pickup
8.3.8.1 Selection of CS1 and CS2
8.3.8.2 Equivalent Capacitance of CS2
8.3.8.3 Integration of Control and ZVS Signals for Q1 and Q2
Chapter 9 - Technology Overview and Concept of Wireless Charging Systems
9.2.2 Compensation Networks
9.2.3 Electromagnetic Structures
9.4 Development of Wireless Low-Power Transfer System
9.4.1.1 Finite element formulation
9.4.2 D Planar Wireless Power Transfer System
9.4.2.1 Primary track loop
9.4.3 Wireless Power Transfer System
9.4.3.1 Continuous mode of operation
9.4.3.2 Discontinuous mode of operation
Chapter 10 - Wireless Power Transfer in On-Line Electric Vehicle
10.1.1 Wireless Power Transfer Technology
10.1.2 Wireless Power Transfer System in the Market
10.1.2.1 Application to automobiles
10.2 Mechanism of Wireless Power Transfer
10.2.1 Electric Field and Magnetic Field
10.2.2 Inductive Coupling and Resonant Magnetic Coupling
10.2.3 Topology Selection and Coil Design
10.3 Design of On-Line Electric Vehicle
10.3.1 Necessity of On-Line Electric Vehicle
10.3.4 Coil Design for Electric Vehicle
10.3.5 Electromagnetic Field Reduction Technology
10.3.6 Design Procedure and Optimization
Chapter 11 - Wireless Powering and Propagation of Radio Frequencies through Tissue
11.2 Comparison of Transcutaneous Powering Techniques
11.3.1 Reflections at an Interface
11.3.2 Attenuation Due to Tissue Absorption
11.3.3 Energy Spreading (Free-Space Path Loss)
11.3.4 Expanding to Multiple Layers and Interfaces
11.6 Antenna Design and Frequency Band Selection
11.7 Power Conversion Circuitry
11.8 Benefiting Applications and Devices
Chapter 12 - Microwave Propagation and Inductive Energy Coupling in Biological Human Body Tissue Channels
12.2 ElectromagneticWave Propagation in Tissues
12.2.1 Wave Reflections in Tissues
12.2.2 Matlab Simulations
12.4 Inductive Energy Coupling Systems in Tissues
12.5 Bio-Impedance Models of Tissues
12.5.2 Matlab Simulations
12.6 Impact of Tissue Impedance on Inductive Coupling
Chapter 13 - Critical Coupling and Efficiency Considerations
13.2 Two-Coil Coupling Systems
13.2.1 Strong-Coupling Regime
13.2.2 Weak-Coupling Regime
13.3 Efficiency and Impedance Matching
13.3.1 Efficiency of Peer-to-Peer WPT
13.4 Impedance Matching and Maximum Power Transfer Considerations
13.4.1 Bi-Conjugate Matching
13.5.2 Three-Coil Systems
13.6 Relating Reflected Impedance to Impedance Matching
13.6.1 Three-Coil Systems
Chapter 14 - Impedance Matching Concepts
14.1.1 Rationale and Concept
14.1.2 Applications of Impedance Matching
14.1.3 Transmission-Line Impedance Matching
14.1.3.1 Characteristic impedance
14.1.3.2 Reflection coefficient
14.1.3.3 Standing wave ratio
14.1.4 Impedance Matching Circuits and Networks
14.1.4.1 Ideal transformer model of WPT
14.1.4.2 Ideal transformer model
14.1.5 Q-Section Impedance Matching
Chapter 15 - Impedance Matching Circuits
15.1.1 Series–Parallel Transformations
15.1.2 Impedance Matching with L-Sections
15.1.2.1 Low-pass sections
15.1.2.2 High-pass sections
15.1.3 Equivalent Circuits
15.2 Impedance Matching Networks
15.2.2.1 LCC design procedure
15.2.3 Tunable Impedance Matching Networks
15.2.4 Simplified Conjugate Impedance Matching Circuit
15.2.4.1 Impedance matching and maximum power transfer consideration
Chapter 16 - Design, Analysis, and Optimization of Magnetic Resonant Coupling Wireless Power Transfer Systems Using Bandpass Filter Theory
16.2 MRC System Equivalent to BPF
16.2.1 Impedance Inverters
16.2.2 Two-Stage BPF-Modeled MRC Circuit
16.2.3 Realization of K-Inverter Circuit and System Matching Conditions
16.2.4 Example BPF-Modeled MRC WPT System Response
16.3 BPF Model with Lossy Resonator Optimization
16.3.1 Lossy Series Resonant Circuit
16.3.2 Determination of S21 Function for Lossy Resonator BPF-Modeled MRC WPT System
16.3.3 Determination of Optimal KS1 and K2L Values for Lossy Resonator System
16.3.4 Circuit Simulation Results and Effect of Q0n on Maximum Achievable PTE
16.4 BPF Model Analysis Using General Coupling Matrix
16.4.1 Synthesis of Source and Load Coupling Matrix for BPF-Modeled MRC WPT System
16.4.2 Determination of MS1opt and M2Lopt
16.4.3 Examination of MS1opt and M2Lopt on Full S21 Response
16.4.4 Examination of MS1opt and M2Lopt on |S21|ω=ω0 Response
16.4.5 Investigation of Relationship between k12tgt and k12 crit
16.5 Experimental Validation
16.5.1 Resonator Design and Determination of WPT System Design Parameters
16.5.2 Optimum Determined K-inverter Capacitance Values
16.5.3 Theoretical versus Measured PTE Response
16.6 Summary of General Coupling Matrix Design Procedure
Chapter 17 - Multi-Dimensional Wireless Power Transfer Systems
17.3 Network of Multidimensional Coils and Radiation Pattern
17.4 Voltage and Current Relation of MDC
17.4.5 Configuration 5 (The Simple Coil)
Chapter 18 - Split Frequencies in Magnetic Induction Systems
18.2 Single Transmitter–Receiver
18.3 Determination of Splitting Frequency
18.3.1 Single Transmitter and Multiple Receiver Configuration
18.3.2 ATransmitter and Two Receivers (SI2O)
18.3.2.1 Without cross-coupling between receivers
18.3.2.2 With cross-coupling between receivers
18.3.2.3 Determination of the power transfer for SI2O
18.4 A Transmitter and Three Receivers (SI3O)
18.4.1 Without Cross-Coupling between the Receivers
18.4.2 With the Effect of Cross-Coupling between the Receivers
18.5 A Transmitter and N Receivers (SIMO)
18.5.1 Without Cross-Couplings between the Receivers
18.5.1 Without Cross-Couplings between the Receivers
18.5.2 With the Effect of Cross-Coupling between the Receivers
18.5.3 Multiple Transmitter and a Receiver Configuration
18.6 Multiple Transmitters and Multiple Receivers (MIMO)
18.6.1 Determination of Splitting Frequencies (2Tx-2Rx)
18.6.2 Cross-Couplings Are Ignored
18.6.3 With Cross-Coupling
Chapter 19 - Recent Advances in Wireless Powering for Medical Applications
19.2 Consortiums, Standards, and WPT in the Consumer Market
19.3 History of Wireless Powering in Medical Implantable Devices
19.4 Development of a Commercial Rechargeable Active Implantable Medical Device
19.4.1 Product Design Implications
19.4.2 Computational Modeling
19.5 Comparison of Commercially Available Rechargeable Active Implantable Devices
19.6 Resonance Power Transfer
Chapter 20 - Induction Cooking and Heating
20.2 Advantages of Induction Cooking
20.3 Theory of Induction Heating
20.4 Building Blocks of Induction Cooker
20.4.1.2 Half-wave scr rectifier
20.4.1.3 Full-wave scr rectifier
20.4.2.1 Fourier series of output voltage
20.4.2.2.1 LCL configuration
20.4.2.2.2 CCL configuration
20.4.3 Half-Bridge Inverter Design