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Field-oriented control (FOC) improves dynamic response by precisely managing the magnetic field, outperforming conventional PID control. It ensures stable control by eliminating cross-coupling effects between torque and flux, proving effective in accurate low-speed motor control crucial for robotics. FOC’s ability to independently regulate flux and torque enhances motor adaptability. In the context of brushless DC (BLDC) motors, FOC enhances dynamic performance, enabling better acceleration and deceleration due to reduced inertia and faster response times. Coupled with FOC, BLDC motors exhibit an extended speed range, making them ideal for applications requiring precise variable speed control. The chapter explores the performance of BLDC motors under FOC, PID tuning, and space vector pulse width modulation (SVPWM) control. It presents comprehensive waveforms detailing parameters such as back electromotive force, electromagnetic torque, output voltage, and phase currents. Clarke/Park transforms enhance voltage and current analysis efficiency. The chapter also examines the dynamic relationship between reference and actual speed, highlighting FOC’s effectiveness in mitigating torque ripples during the commutation process.

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Analysis of Speed and Torque of a BLDC Motor Through Field-Oriented Control Using SVPWM Scheme

  • 会议论文

  • 发表日期：

    2025年

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  • Abdullah Al Shaheer,
  • Syed Mohammad Hammad,
  • Farhad Ilahi Bakhsh

摘要

Field-oriented control (FOC) improves dynamic response by precisely managing the magnetic field, outperforming conventional PID control. It ensures stable control by eliminating cross-coupling effects between torque and flux, proving effective in accurate low-speed motor control crucial for robotics. FOC’s ability to independently regulate flux and torque enhances motor adaptability. In the context of brushless DC (BLDC) motors, FOC enhances dynamic performance, enabling better acceleration and deceleration due to reduced inertia and faster response times. Coupled with FOC, BLDC motors exhibit an extended speed range, making them ideal for applications requiring precise variable speed control. The chapter explores the performance of BLDC motors under FOC, PID tuning, and space vector pulse width modulation (SVPWM) control. It presents comprehensive waveforms detailing parameters such as back electromotive force, electromagnetic torque, output voltage, and phase currents. Clarke/Park transforms enhance voltage and current analysis efficiency. The chapter also examines the dynamic relationship between reference and actual speed, highlighting FOC’s effectiveness in mitigating torque ripples during the commutation process.