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Application of Tilt Integral Derivative for Efficient Speed Control and Operation of BLDC Motor Drive for Electric Vehicles

202430 citationsOpen accessSohag University

In plain language

Brushless direct current motors are increasingly used in electric vehicles because of their high efficiency, torque, and controllability. Managing their speed and torque in real time requires robust control systems. A tilt integral derivative controller offers an effective technique for managing motor speed, torque output, and position. When compared against conventional proportional-integral and proportional-integral-derivative controllers, the tilt integral derivative approach achieves improved torque and current stability, better speed regulation, and superior transient responsiveness. It also demonstrates enhanced robustness against disturbances, leading to more effective utilisation of input power. The performance of this control method was validated through an experimental laboratory prototype of a motor drive and a dedicated test bench designed to enhance the real-time operation of the motor and power electronics.

Key takeaways

  • Tilt integral derivative control improves the speed regulation, torque stability, and current stability of brushless direct current motors.
  • The proposed controller outperforms standard proportional-integral and proportional-integral-derivative controllers in transient responsiveness and disturbance rejection.
  • The design achieves more effective input power usage, contributing to increased motor drive responsiveness and overall efficiency.
  • The control method was validated experimentally using a motor drive prototype and a real-time laboratory test bench.

Why it matters

Electric vehicles require reliable and efficient motor control to ensure smooth acceleration, responsive handling, and optimal energy use. By outperforming standard industrial controllers in managing motor speed and current stability, the tilt integral derivative method helps electric vehicle drives operate with greater efficiency, withstand disturbances more effectively, and make better use of electrical power.

Commercialisation angle

This research applies directly to electric vehicle manufacturers and developers of electric motor drives. By demonstrating better power use, stability, and disturbance handling, the controller design could be integrated into vehicle powertrain control units. As the system has been tested using an experimental laboratory prototype and test bench, the technology sits at an applied, laboratory-tested stage rather than being immediately market-ready.

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Abstract

This study presents the tilt integral derivative (TID) controller technique for controlling the speed of BLDC motors in order to improve the real-time control of brushless direct current motors in electric vehicles. The TID controller is applied to the considered model to enhance its performance, e.g., torque and speed. This control system manages the torque output, speed, and position of the motor to ensure precise and efficient operation in EV applications. Brushless direct current motors are becoming more and more popular due to their excellent torque, power factor, efficiency, and controllability. The differences between PID, TID, and PI controllers are compared. The outcomes demonstrated that the TID control enhanced the torque and current stability in addition to the BLDC system’s capacity to regulate speed. TID controllers provide better input power for BLDC (brushless DC) drives than PI and PID controllers do. Better transient responsiveness and robustness to disturbances are features of TID controller design, which can lead to more effective use of input power. TID controllers are an advantageous choice for BLDC drive applications because of their increased performance, which can result in increased system responsiveness and overall efficiency. In an experimental lab, a BLDC motor drive prototype is implemented in this study. To fully enhance the power electronic subsystem and the brushless DC motor’s real-time performance, a test bench was also built.

Research topics

  • Sensorless Control of Electric Motors
  • Electric and Hybrid Vehicle Technologies
  • Advanced DC-DC Converters

Sustainable Development Goals

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DOI: 10.3390/fractalfract8010061

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