Article ID Journal Published Year Pages File Type
5005310 ISA Transactions 2007 5 Pages PDF
Abstract

In this paper, an index for measuring fragility of proportional integral derivative (PID) controllers is proposed. This index relates the losses of robustness of the control loop when controller parameters change, to the nominal robustness of the control loop. Furthermore, it defines when a PID controller is fragile, nonfragile or resilient.

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Related Topics
Physical Sciences and Engineering Engineering Control and Systems Engineering
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PID controllers' fragility
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