Abstract
PID and fuzzy controlling three phase asynchronous machine by low level DC source three phase inverter
Highlights
Today, agricultural and industrial activities are done in a wide range area
Direct voltage is applied to input of converter
The direct voltage is lower than the peak of the alternating voltage
Summary
Agricultural work in remote areas of the settlements can be performed Those areas are distant from energy, three-phase motors have to be used for irrigation operations. It is difficult to achieve a good working performance on fixed source To overcome such causes, proposed PWM signals are produced by comparing signals of three sinus and two triangles which have different sizes. There are some articles focusing on PID control and fuzzy logic control systems for inverter circuit [10÷15]. Fuzzy controller is a non-linear controller that cannot require mathematical model for design mathematical model of PID controller must be formed for design It provides convenience for the control of complex systems. While the system is performed, uncontrolled system is compared to fuzzy logic controlling system and PID controlling system at the MATLAB Simulink. When fuzzy controlling system is compared to PID controlling and uncontrolled systems, it gives optimal results
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