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    BNR BLDC

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    Bnr Goud
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    BNR BLDC

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    Bnr Goud
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    Copyright:

    © All Rights Reserved
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    Download as ppt, pdf, or txt
    24 views12 pages

    BNR BLDC

    Uploaded by

    Bnr Goud
    dFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

    Copyright:

    © All Rights Reserved
    Download as PPT, PDF, TXT or read online from Scribd
    Download as ppt, pdf, or txt
    of 12

    Proportional Integral and Derivative Control of Brushless DC Motor

    By Nawaz ROLL NO: 10J41D7515 M.Tech (C.S) 2nd semister MREC

    ABSTRACT

    Brushless DC (BLDC) motors are one of the electrical drives that are rapidly gaining popularity, due to their high efficiency, good dynamic response and low maintenance. In this paper, the modeling and simulation of the BLDC motor was done using the software package MATLAB/SIMULINK.

    Introduction

    Since the late 1980s new design concept of permanent magnet brushless motors has been developed. The permanent magnet brushless motor can be classified upon to the back-EMF waveform, where it can be operated in either brushless AC (BLAC) or brushless DC (BLDC) modes. Usually the BLAC motors have a sinusoidal back-EMF waveform and BLDC motors have a trapezoidal back-EMF. In modern electrical machines industry productions the brushless direct current (BLDC) motors are rapidly gaining popularity.

    Dynamic Model of the BLDC Motor

    PID Controller

    Now, using the following equations, the PID parameters can be derived

    Simulations and Results Analysis

    A simulation of a brushless DC motor system with the PID gains calculated using the above equations was performed using MATLAB. The calculated gains of PID control are provided in Table 1. The speed response is shown in Figure 5. So it can be concluded that a direct PI tuning method is suitable to designate self-tuning technique for BLDC motor, where the overshoot in the motor speed response approximately zero and the error steady state is also go to zero.

    Conclusions

    A mathematical model of brushless DC motor is developed. The simulation of the brushless DC motor was done using the software package MATLAB/SIMULINK. Also PID control based on the Ziegler-Nichols method is presented and applied to brushless DC motor. This method is feasible due to the unique and simplified structure of this motor.

    THANK YOU

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