![]() ![]() It also improved the dynamic and static response of the system. The fuzzy auto-tuning approach implemented on a conventional PID structure was able to control the speed of the DC motor. The study shows that both the precise characters of PID controllers and the flexible characters of fuzzy controllers are present in the fuzzy self-tuning PID controller. Secondly the output of the FLC is the parameters of the PID controller which are used to control the speed of the DC motor. The second is the variation of the speed error (derivative of the speed error). The first is the motor speed error between the reference (setpoint) and the actual speed. ![]() ![]() The FLC (fuzzy logic controller) has two inputs. There are 25 rules for the auto-tuning of each parameter of the PID controller. First of all, the fuzzy logic controller is designed according to rules so that the systems is basically robust. The proportional, integral and derivative gains (KP, KI, KD) of the PID controller are adjusted according to Fuzzy logic. In this project, we designed a DC motor whose speed can be controlled by a PID controller. ![]()
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