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|Title:||A frequency response approach to autotuning of multivariable controllers|
|Authors:||Wang, Q.-G. |
|Source:||Wang, Q.-G.,Hang, C.-C.,Zou, B. (1997). A frequency response approach to autotuning of multivariable controllers. Chemical Engineering Research and Design 75 (8) : 797-806. ScholarBank@NUS Repository.|
|Abstract:||The relay auto-tuning technique for PID controllers is here extended to tune multivariable controllers. In the case of significant interaction, a fully cross-coupled multivariable controller rather than a decentralized controller should be employed. In this paper, an autotuning method for multivariable controllers from sequential relay feedback is proposed. The frequency response a m × m multivariable process is identified from limit cycles using a FFT-based method, and a multivariable controller is computed with linear least squares frequency response fitting. Various typical examples are included for illustration of the effectiveness of the method.|
|Source Title:||Chemical Engineering Research and Design|
|Appears in Collections:||Staff Publications|
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