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The Research in First Order Velocity Servo System Based on the Fractional Order Controller

Author: GuoChengJun
Tutor: WangChunYang
School: Changchun University of Science and Technology
Course: Detection Technology and Automation
Keywords: Fractional Order Proportional Integral (FOPI) Controller Fractional Order [Proportional Integral] (FO[PI]) Controller IOPID Controller First-Order Plus time delay (FOPTD) system Robustness
CLC: TP13
Type: Master's thesis
Year: 2011
Downloads: 26
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Abstract


In recent years, it is remarkable to see the increasing number of studied related to the fractional order control technology, specially in the field of engineering control, fractional order proportional integral derivative (FOPIλDμ) controllers are widely used. The robustness and stability of the tuning methods from classical control theory extended to the fractional order control theory, made the robustness and stability of the system is enhanced.In this paper, systemic design schemes of fractional order proportional integral (FOPI) controller and fractional order [proportional integral] (FO[PI]) controller for the first order plus time delay system are presented respectively. For comparison between the fractional order and the integer order controllers, the integer order proportional integral derivative (IOPID) controller is also designed following the proposed tuning specifications to achieve the robustness requirement. It is found that the three controllers designed by the proposed tuning methods not only make the system stable, but also improve the performance and robustness for the first order plus time delay (FOPTD) systems. Simulation results are presented to validate the proposed tuning schemes. Furthermore, from the simulation results, it can be seen that the FOPI controller outperforms the two other controllers.

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CLC: > Industrial Technology > Automation technology,computer technology > Automated basic theory > Automatic control theory
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