International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 13 Issue: 02 | Feb 2026
p-ISSN: 2395-0072
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Improvement of Speed Control Performance in BLDC Motor Using PID Controller Prabha Nishad 1, David Kumar2, Manisha3 , A.K. Jain4 1,2 U.G. Scholar Department of EEE Chouksey Engineering college Chouksey Engineering college
Bilaspur Chhattisgarh, India 3 U.G. Scholar Department of EEE Chouksey Engineering college
Bilaspur, Chhattisgarh, India Department of EEEChouksey Engineering Bilaspur, Chhattisgarh, India ---------------------------------------------------------------------***--------------------------------------------------------------------4 Professor
Abstract - The Brushless Direct Current (BLDC) motor has
The Brushless Direct Current (BLDC) motor has revolutionized the field of electric motors with its exceptional efficiency, reliability, and durability. Its superior performance characteristics, such as high torque-to-weight ratio, high speed range, and maintenance-free operation, make it an ideal choice for a wide range of applications, including robotics, automotive, aerospace, and industrial automation. However, the control of BLDC motors is a complex task due to their nonlinear dynamics and inherent instability. In recent years, there has been a growing demand for advanced control techniques to optimize the performance of BLDC motors. One such technique is the Proportional-Integral-Derivative (PID) control, which has been widely used in various control applications due to its simplicity and effectiveness. This project aims to design and implement a PID-based speed control system for BLDC motors, leveraging the capabilities of MATLAB/SIMULINK for simulation and analysis.
Key Words: - Brushless DC Motor, PID Controller, DSP, Pulse Width Modulation.
This report presents the findings and results of the project, including the design, simulation, and prototype development of the BLDC motor speed control system. The report is organized as follows: Section II provides a detailed overview of the BLDC motor and its control techniques, Section III describes the design and simulation of the PIDbased speed control system, Section IV presents the results and discussion, and Section V concludes the report with future directions.
emerged as a highly efficient and reliable alternative to conventional brushed DC and induction motors, owing to its superior performance characteristics and maintenance-free operation. This paper focuses on soft computing technique for BLDC motor speed control. The closed loop controller architecture employed PID control approaches to get around the maximum overshoot and extended settling times and performance analysis of BLDC motors. Advanced control techniques such as Pulse Width Modulation (PWM), FieldOriented Control (FOC), and Hall-effect or sensor less feedback mechanisms further enhance its operational efficiency and reliability. The speed control of BLDC Motor was simulated using MATLAB/SIMULINK and the results are obtained. The simulation results revealed that the proposed PID Controller provides better performance than conventional controller. The prototype model of BLDC motor is presented, and the speed response of BLDC motor is observed by LCD display.
1. INTRODUCTION In recent years the development of high-performance motor drive is very important in industrial as well as other purpose applications such as automotive, computer, steel rolling mills, electric trains and robotics, etc.
This project focuses on designing and simulating a speed control system for Brushless Direct Current (BLDC) motors using a Proportional-Integral-Derivative (PID) controller. The simulation results demonstrate the effectiveness of the PID controller in tracking the desired speed with improved accuracy and stability. The project's findings highlight the potential of PID control for BLDC motor applications, offering enhanced performance and reliability.
BLDC motors have several advantages over brushed DC motor such as high efficiency, long life, noise immunity, small size and less maintenance due to absence of brush and commutator arrangement. As the name implies, BLDC motors do not use brushes for commutation; instead, the BLDC motor employs electronic commutation which makes it a virtually maintenance-free motor. Also, they are more efficient due to the permanent magnets which results in virtually zero rotor losses. However, the BLDC motor constitutes a more difficult problem than its brushed counterpart in terms of modelling and control system design due to its multi-input nature and coupled nonlinear dynamics.
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