Pollution Research Paper

Vol.33, Issue 01, 2014; Page No.(175-178)

DESIGN OF BLDC MOTOR FOR SMOOTH OPERATION USING HYBRID CONTROLLERS

P. SELVAKUMAR, T. KANNADASAN, S.V. SARAVANAN AND M. VARATHARAJ

Abstract

Process control applications need smooth operation and noiseless operation of BLDC motor is required. Owing to many advantages of BLDC motors, they possess a trade off that they exhibit torque pulsations. These pulsations can cause acoustical noise and vibration; this will entirely affect the system in high precision and high stabilization applications. In higher speeds torque pulsations can be filtered out by the inertia of the load itself. However, at low speeds, when they are most noticeable, torque pulsations can greatly limit the performance. Torque ripple is caused by both the BLDC motor and the controller design. A novel approach is presented in this paper to minimize the ripples by developing a Cascaded type hybrid controllers, which will have very good performance which will reduce the ripples in torques.PID controllers and Neural Network controllers are designed and tested in the BLDC motor by using MATLAB.

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