Dynamic Performance Analysis of BLDC Motor with Adaptive Neuro Fuzzy Controller Under Critical Load Condition
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2014, Vol 2, Issue 4
Abstract
Brushless DC (BLDC) motors have been widely used in many fields of drives for their high power/weight, high torque, high efficiency, long operating life, noiseless operation, high speed ranges and ease of control. In this paper, a Adaptive Neuro-Fuzzy Controller (ANFC) based on supervisory learning is presented for the speed and torque control of BLDC motors to enhance high control performance of the drive under transient and steady state conditions. This controller is combination of Neural Networks (NNs) and Fuzzy Logic (FL), therefore has parallel processing and learning abilities of NNs and inference capacity of FL. For improvement the performance of leaning algorithm and there upon increase efficiency of drive, a fuzzy based back propagation algorithm is employed. The proposed controller has simple structure and also due to its modest fuzzy rule in rule-base is relatively easy for implementation. This controller has high accuracy, suitable performance, high robustness and high tracking efficiency. In order to demonstrate the NFC ability to tracking reference speed and torque and also test of robustness and rejection ability of controller against undesired disturbances or suddenly changes in speed and torque, these designs are simulated with MATLAB/SIMULINK. Results are compared with that of a conventional PID controller and other designs.
Authors and Affiliations
Mr. T. Bheemeswarareddy| PG Scholar, Professor, Dr. K. Satyanarayana| PG Scholar, Professor
Keywords
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