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Apparatus and method for system identification and loop-shaping controller design in a process control system
Apparatus and method for system identification and loop-shaping controller design in a process control system
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机译：用于过程控制系统中的系统识别和环路整形控制器设计的设备和方法
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摘要
One method includes obtaining a preliminary model associated with a system to be controlled and constructing a weighted model using one or more weighting factors. The method also includes identifying a final model of the system using the preliminary and weighted models, where the final model has a stability margin that is greater than an uncertainty associated with the final model. The method further includes controlling the system using a controller designed based on the final model. Another method includes identifying a first model associated with a system to be controlled, performing model order reduction to identify a second model, and controlling the system using a controller designed based on the second model. Performing the model order reduction includes reducing a weighted coprime factor model uncertainty between the first and second models.
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