| In this thesis, Pseudo-Derivative-Feedback and Pseudo-Derivative-Feedback-Subvariable algorithms are presented for application in DC motor speed control. Based on the mathematic model of the DC motor, experimental approach is used to get the parameters of transfer function of the plant. Then the PD , PDF and PDFSV microcomputer-based controllers are designed, and implemented respectively to carry on the experiment. The results from experiments are compared and analyzed, showing the feasibility of PDF and PDFSV control to DC motor's speed with a higher precision than the traditional design. |
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