Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ces.2007.05.036
Title: Estimating performance enhancement with alternate control strategies for multiloop control systems
Authors: Jain, M.
Lakshminarayanan, S. 
Keywords: Control loop performance monitoring
Decouplers
Input-output variance trade-off
Loop pairing
Multiloop control
Multivariable control
PI achievable performance
Issue Date: Sep-2007
Source: Jain, M., Lakshminarayanan, S. (2007-09). Estimating performance enhancement with alternate control strategies for multiloop control systems. Chemical Engineering Science 62 (17) : 4644-4658. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ces.2007.05.036
Abstract: A filter based methodology, studied earlier for SISO systems, is extended to MIMO systems. The presented approach facilitates the calculation of best achievable performance for proportional-integral (PI) controller and the optimal multiloop (ML) PI settings for stochastic disturbance rejection in ML control systems. The filter based approach is further extended to answer some of the key questions for ML control systems such as: (a) performance enhancement possible with the alternate pairing scheme, (b) benefits that will accrue through the employment of decouplers and (c) the performance achievable with the use of multivariable controller (as opposed to an ML controller). Further, the trade-off curve between output variance and control effort is generated for the various control configurations within PI controller domain. © 2007 Elsevier Ltd. All rights reserved.
Source Title: Chemical Engineering Science
URI: http://scholarbank.nus.edu.sg/handle/10635/63862
ISSN: 00092509
DOI: 10.1016/j.ces.2007.05.036
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