Model-based flow control boosts accuracy, eases tuning

被引：0
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作者：
机构：
[1] Paruchuri, Venkateswara P.
[2] Rhinehart, R.Russell
来源：
Paruchuri, Venkateswara P. | 1600年 / Instrument Society of America, Research Triangle Park, NC, United States卷 / 42期
关键词：
Feedback action - Feedforward action - Friction loss - Model based flow control - Nonlinear control law - Nonlinear decoupling - Process model based controller - Tuning coefficient - Valve characteristic;
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摘要：
With just one tuning coefficient, a process-model-based controller (PMBC) can incorporate the nonlinearities observed in liquid flow systems due to friction losses and value characteristics and can remain accurate over a wide operating range. Compared with QAD-tuned proportional integral (PI) controller, PMBC can perform both serve and regulatory action more efficiently. Other favorable features of PMBC include nonlinear decoupling, feedforward and feedback action and provision of process diagnostic information.
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