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Improved cascade control structure for enhanced performance
DOI:10.1016/j.jprocont.2006.08.008.png)
Abstract
En 中文
In conventional single feedback control, the corrective action for disturbances does not begin until the controlled variable deviates from the set point. In this case, a cascade control strategy can be used to improve the performance of a control system particularly in the presence of disturbances. In this paper, an improved cascade control structure and controller design based on standard forms, which was initially given by authors, is suggested to improve the performance of cascade control. Examples are given to illustrate the use of the proposed method and its superiority over some existing design methods. (C) 2006 Elsevier Ltd. All rights reserved.
Keywords:
cascade control
process control
time delay systems
PID control
integral performance criteria
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