Power supplies for high-power piezoelectric multi-mass ultrasonic motor / Rongyuan Li. 2010
Inhalt
- Nomenclature
- 1 Introduction
- 2 A High-Power Airborne Piezoelectric Brake Actuator
- 2.1 Modeling of Piezoelectric Actuators
- 2.2 Multi-Mass Ultrasonic Motor
- 2.3 Power Consumption of a Brake Actuator
- 2.4 Requirement of Power Supply and Control
- 3 Power Supply Topologies for High-Power Piezoelectric Actuators
- 3.1 State-of-the-Art of Power Supplies for Piezoelectric Actuators
- 3.1.1 Classification of Power Supplies for Driving Piezoelectric Actuators
- 3.1.2 Resonant Switching Power Supply for Driving High-Power Piezoelectric Actuators
- 3.1.2.1 Inverter Topologies and Square-wave Modulation
- 3.1.2.2 LC-Resonant Inverter
- 3.1.2.3 LLCC-Resonant Inverter
- 3.1.3 PWM-Controlled Inverter with LC Filter
- 3.2 Advanced Power Supply Concepts
- 4 PWM-Controlled Driving Concept with LLCC-Filter Circuit
- 4.1 LLCC-Filter Circuit Design Fed by PWM Inverter
- 4.2 Advanced Pulse Width Modulation Design
- 4.2.1 Introduction
- 4.2.2 LLCC Two-Level Inverter Using Selected Harmonics Elimination Technique
- 4.2.3 LLCC Three-Level Carrier-Based PWM Inverter
- 4.3 Evaluation and Comparison of Power Supply Topologies
- 4.3.1 Switching Conditions
- 4.3.2 Preliminary Design of Filter Components
- 4.3.3 Power Factor
- 4.3.4 Total Harmonic Distortion (THD)
- 4.3.5 Estimation of Efficiency and Weight
- 4.3.6 Comparison Results
- 4.4 Experimental Validation
- 4.4.1 Prototype Design
- 4.4.2 Measurements with Three-Level CBM
- 4.4.3 Measurements with Two-Level HEM
- 4.5 Summary
- 5 Investigation on LLCC Three-Level PWM inverter
- 5.1 Three-Level Harmonic Elimination Modulation (HEM)
- 5.2 LLCC Three-Level HEM Inverter
- 5.3 Strategy for Voltage-Balancing Control
- 5.4 Cascaded DC-DC-AC Three-Level Topology
- 5.5 Measurement Results of LLCC Three-Level Inverter with Equivalent Load
- 5.6 Summary
- 6 Control Design of Power Supply
- 6.1 Control Objective
- 6.2 Modeling of MM-USM Driven by LLCC-PWM Inverter
- 6.2.1 Generalized Averaging Method
- 6.2.2 Averaging Model of Electrical Subsystem
- 6.2.3 Averaging Model of Piezoelectric Mechanical Subsystem
- 6.2.4 Dynamic Behavior Analysis
- 6.3 Voltage and Current Control Scheme Based on FPGA Implementation
- 6.3.1 Voltage and Current Control Schemes
- 6.3.2 Measurement and Signal Processing Scheme
- 6.3.3 Feed-Forward Voltage Control
- 6.4 Experiment on Driving MM-USM
- 6.5 Summary
- 7 Conclusion
- A Definition
- A.1 Power Factor
- A.2 General Fourier Coefficient Solution of Inverter Voltage
- A.3 Harmonic Elimination Modulation (HEM) Using Newton Algorithm
- A.4 Total Harmonic Distortion (THD)
- B Design Aspects