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Unformatted text preview: Jason McAllister EE 3530 PROJECT TWO PID CONTROLLER FOR A D.C. MOTOR I. SUMMARY Project 2 deals with designing a PID compensator for the DC motor model obtained in Project 1. For this project, two methods can be used to design the PID compensator: the pole/zero cancellation and approximation method or the ultimate gain method (Ziegler-Nichols tuning). The controller had to be implemented so that the overall system would meet the given requirements. Once this was done, the performance of the control system was analyzed in terms of its transient performance and steady state performance. The control systems sensitivity requirements were analyzed based on the results of Project 1. Finally, the disturbance rejection and noise rejection of the system were analyzed over different frequency ranges. It was found that the system rejected noise at high frequencies. All of these operations were necessary to analyze the overall performance of the control system. II. INTRODUCTION For Project II we are going to design a unity feedback control system. There are two main parts to this project. The first part includes design of a PID compensator using either pole/zero cancellation and approximation or using ultimate gain method as in Ziegler-Nichols tuning. We must have a 12% overshot and a settling time error of 4%. Part II is to analyze the performance of the design. The system will be analyzed in terms of (a) Transient performance and steady state performance, (b) Sensitivity requirement based on Project I, (c) Disturbance rejection in low frequency range, and (d) Noise rejection in high frequency range....
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- Fall '07