30-09-2014, 11:57 AM
Abstracts: Process control problems can be adequately and routinely solved by conventional Proportional - Integral – Derivative control strategies. The overriding reason that the PID controller is so widely accepted is its simple structure which has proved to be very robust with regard to many commonly met process control problems as for instance, disturbance and nonlinearities. Relay feedback method have been widely used in tuning PID controller due to its closed loop nature. In this work, Relay based PID controller has been designed and successfully implemented on a DC motor in SISO (Single Input Single Output) configuration. Other than this, state feedback controller has been applied and further its results are compared with PID controller. In this simulation, the pitch axis will be controlled using DC motor. The entire simulation has been carried out in MATLAB environment. Results demonstrate the effectiveness of the design controller.