The optimal control structure: an approach to measuring control-law nonlinearity
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Control of a process with unmeasured disturbances that change its steady-state gain sign
2013, Journal of Process ControlCitation Excerpt :While instability for overly aggressive tuning is expected and fairly well understood, instability due to sluggish tuning is entirely due to the nonlinear nature of the controlled process. Such behavior has been observed in other nonlinear systems as well [4,5]. In the rest of the paper we first provide a description of the process studied and the model developed for use as a virtual process.
Minimum variance lower bound ratio based nonlinearity measure for closed loop systems
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2007, IFAC Proceedings Volumes (IFAC-PapersOnline)
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