Direct synthesis-based controller design for integrating processes with time delay |
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Authors: | A. Seshagiri Rao |
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Affiliation: | Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai-36, India |
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Abstract: | Using the direct synthesis method, a PID controller in series with a lead/lag compensator is designed for control of open loop integrating processes with time delay. Set-point weighting is considered for reducing the undesirable overshoot. Guidelines are provided for selection of the desired closed loop tuning parameter in the direct synthesis method and set point weighting parameter. The method gives significant load disturbance rejection performances. Illustrative examples are considered to show the performances of the proposed method. Significant improvement is obtained when compared to recently reported methods. |
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Keywords: | Integrating process Time delay Direct synthesis method Set point weighting |
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