Adaptive gain controller

Details Adaptive gain controller Adaptive gain controller

G - Physics

05

B

341/111

G05B 15/02 (2006.01) G05B 13/02 (2006.01)

Patent

CA 1135817

Abstract A controller for process control has an adaptive gain, The controller is used as part of a closed feedback loop, and will, in response to different variables, maintain a constant loop gain regardless of non-linearities in the system. Signals representing the variables are transormed into corresponding active gain factors. The active gain of the controller is computed as a function of the product of the active gain factors and then translated to an output signal One or more active gain factor is defined as having a first gain factor, at least one breakpoint, and a second gain factor. If two breakpoints are used, a base gain is inter- posed. Furthermore, one or more variables may have a step function as an active gain factor.

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