Ramirez Figueroa, Fernando David: Predictive control scheme of the PMSM with a modulator of variable switching frequencyPrädiktive Regelung einer permanenterregten Synchronmaschine mit Pulsweitenmodulation und variabler Schaltfrequenz. 2017
Inhalt
- Acknowledgements
- Contents
- Abstract
- Zusammenfassung
- Nomenclatures
- 1 Introduction
- 1.1 Motivation
- 1.2 Objectives
- 1.3 State of the Art
- 1.3.1 Variable Switching Frequency
- 1.3.2 Sensorless Control
- 1.3.3 Model-based Predictive Control
- 1.3.4 FPGA-based Control Schemes for Power Electronics and Drives
- 1.4 Outline of the Chapters
- 2 Theoretical Fundamentals
- 2.1 The Space Phasor
- 2.1.1 Fixed α,β-Coordinate System
- 2.1.2 Rotating d,q-Coordinate System
- 2.1.3 Coordinate Transformations
- 2.2 Permanent Magnets Synchronous Machine
- 2.2.1 Permanent Magnets for Electrical Machines
- 2.2.2 Permanent Magnets Rotor Types
- 2.2.3 Modeling of the PMSM
- 2.3 Voltage Source Inverter
- 2.4 Space Phasor Modulation
- 2.5 Field Oriented Control Principle
- 2.6 Model–based Predictive Control Principle
- 2.6.1 Defining the Cost Function
- 2.6.2 Optimization of the Controller Output
- 2.6.3 Finite-Set MPC Current Controller
- 2.7 Summary of the Chapter
- 3 FPGA-Based Controller Design for PMSM Drives
- 3.1 FPGA General Structure
- 3.2 Digital Signal Processing using FPGAs
- 3.2.1 Advantages of using FPGAs
- 3.2.2 Speed vs Area Optimization Methods
- 3.2.3 Fixed-Point Number Representation
- 3.3 CORDIC Algorithm
- 3.4 Delta-Sigma Analog-to-Digital Conversion
- 3.5 Hardware Description Languages (HDL)
- 3.6 FPGA–based Controller Design
- 3.7 Summary of the Chapter
- 4 Predictive Control of the PMSM with a Modulator of Variable Switching Frequency
- 4.1 Control Strategy
- 4.2 Predictive Torque Control Approach
- 4.2.1 The Cost Function
- 4.2.2 Estimation of the Current Space Phasors
- 4.2.3 Voltage References
- 4.2.4 Estimation of the Electromagnetic Torque
- 4.2.5 Implementation of the proposed FPGA-based Control
- 4.2.6 Optimization of the Proposed Control Scheme
- 4.2.7 Reconfigurable Pulse-width Modulation Unit
- 4.3 Sensorless Control
- 4.3.1 Fundamental Wave Models
- 4.3.1.1 Voltage Model Correction through Low-pass Filter
- 4.3.1.2 Voltage Model Correction through the Current Model
- 4.3.2 Sensorless Control at Low-Speed Range without Signal Injection
- 4.4 Summary of the Chapter
- 5 Experimental Results
- 5.1 Experimental Setup
- 5.2 Predictive Control with Variable Switching Frequency
- 5.2.1 Current Response against conventional FOC in Standstill
- 5.2.2 Reconfiguration of the Pulse-width Modulation Units in Detail
- 5.2.3 Speed Control Mode
- 5.2.4 Enhanced Current Ripple Estimation
- 5.3 Sensorless Control
- 6 Conclusions
- A Machine Parameters
- B Switching Frequency Values
- Bibliography