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Robust control of Z-source inverter operated BLDC motor using Sliding Mode Control for Electric Vehicle applications

Gourab Das, Dibakar Das, Md Arif, Biplab Satpati

Abstract

The rapid development and expansion of the EV market marked by the advent of third decade of the 21st century has improved the possibility of a sustainable automotive future. The present EV drivetrain run by BLDC motor has become increasingly complicated thus requiring efficient and accurate controls. The paper begins with discussing the problems in existing models, the research then focuses on increasing the robustness of the system towards disturbances and uncertainties by using Sliding Mode Control to control the ZSI, which has been chosen as the main power converter topology in place of VSI or CSI. The introduction of SMC has improved the performance of the drivetrain when applied with Vehicle dynamics over a Drive Cycle.

Robust control of Z-source inverter operated BLDC motor using Sliding Mode Control for Electric Vehicle applications

Abstract

The rapid development and expansion of the EV market marked by the advent of third decade of the 21st century has improved the possibility of a sustainable automotive future. The present EV drivetrain run by BLDC motor has become increasingly complicated thus requiring efficient and accurate controls. The paper begins with discussing the problems in existing models, the research then focuses on increasing the robustness of the system towards disturbances and uncertainties by using Sliding Mode Control to control the ZSI, which has been chosen as the main power converter topology in place of VSI or CSI. The introduction of SMC has improved the performance of the drivetrain when applied with Vehicle dynamics over a Drive Cycle.

Paper Structure

This paper contains 26 sections, 52 equations, 5 figures.

Table of Contents

  1. Introduction
  2. Literature Review
  3. Research Methodology
  4. Overview
  5. Battery
  6. Performance and Environmental Impact
  7. Battery Management System (BMS) and Charging
  8. Z-source Inverter
  9. Performance
  10. Operating Principle
  11. Control Schemes
  12. Brushless DC (BLDC) motor
  13. Operating Principle and Optimisation
  14. Application
  15. Control System
  16. ...and 11 more sections

Figures (5)

  • Figure 1: Simulation Design window (MATLAB SIMULINK)
  • Figure 2: BLDC Performance during Open Loop Control
  • Figure 3: BLDC Performance during Closed Loop Control without the presence of Vehicle Dynamics and Drive Cycle
  • Figure 4: Speed Characteristics under the effect of Vehicle Dynamics and Drive Cycle
  • Figure 5: Performance analysis of BLDC motor under Closed loop control with the effect of Vehicle Dynamics and Drive Cycle