DESIGN CLOSE-LOOP CONTROL OF BLDC MOTOR SPEED USING FUZZY LOGIC METHOD IN SOLAR POWER WATER PUMP WITH MATLAB/SIMULINK Chico Hermanu Brillianto Apribowo, Hari Maghfiroh, Arifian Tri Laksita
Department of Electrical Engineering, Faculty of Engineering, Universitas Sebelas Maret, Surakarta, Indonesia
National Center for Sustainable Transportation Technology Bandung, Indonesia
In this research, the design of close loop BLDC motor speed control was designed with several simulation test conditions and also discuss the differences of boost converter with Fuzzy control and boost converter without Fuzzy control. The BLDC motor specifications used in this research are 3 phase, constant voltage is 80 V_peak L-L / krpm and the moment of inertia is 0.000553 J (kgm2). The specifications of the solar were Canadian CS5T 130M with a maximum power = 129W. The test results on the boost converter without using Fuzzy controls have fluctuating voltages, and the output voltage is ± 34 V. Whereas when using Fuzzy controls, the output voltage is stable and the voltage is ± 135 V. In simulation conditions 5 with Fuzzy control circuits have THD values amounting to 1.72%, which corresponds to the standards specified by IEEE for voltages below 1 kV = <5%. The simulation test results with several conditions have made a difference in the results of the motor speed response. Based on the results of the simulation test, it is known that the speed control with the Fuzzy control circuit has better results compared to the open loop circuit and PID control.