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FPGA-based controllers for direct sliding mode control of PWM boost rectifiers

FPGA-based controllers for direct sliding mode control of PWM boost rectifiers

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Having in mind the need to show the reported FPGA advantages, the authors present in this chapter the FPGA implementation of a direct sliding mode control for both single-phase and three-phase PWM rectifiers. The choice of the sliding mode theory was motivated by the fact that it offers a powerful analysis tool, which is well adapted for direct control of power converters. So, by means of this theory, the authors attempt to synthesize the current control loop for PWM rectifiers control algorithms. Also, the FPGA implementation of the synthesized algorithms is discussed.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Sliding mode control: theory and application for power converters control
  • 6.3 Direct sliding mode control for single-phase PWM rectifier
  • 6.3.1 Single-phase PWM rectifier model
  • 6.3.2 Steady-state operation limits
  • 6.3.3 Synthesis of the direct sliding mode control
  • 6.3.4 FPGA-based controller
  • 6.4 Direct sliding mode control for three-phase PWM rectifier
  • 6.4.1 Three-phase PWM rectifier model
  • 6.4.2 Steady-state operation limits
  • 6.4.3 Synthesis of the direct sliding mode control
  • 6.4.4 FPGA-based controller
  • 6.5 Conclusion
  • References

Inspec keywords: field programmable gate arrays; PWM rectifiers; electric current control; variable structure systems

Other keywords: PWM boost rectifiers; three-phase PWM rectifiers; FPGA-based controllers; direct control; direct sliding mode control; FPGA implementation; current control loop; power converters; single-phase PWM rectifiers

Subjects: Multivariable control systems; Power electronics, supply and supervisory circuits; Current control; Logic circuits; Logic and switching circuits; Control of electric power systems

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