Conference Contribution

An Intuitive Design Method for Disturbance-Rejecting Peak Filters

Olof Troeng, Bo Bernhardsson


We present a method for augmenting a nominal controller with a peak filter to achieve improved rejection of narrowband disturbances. The method is based on consideration of the open-loop Nyquist curve, which arguably makes it more intuitive and flexible than previous approaches. We also comment on some implementation aspects, and give an application example based on a control problem at a particle accelerator.


In The 14th IEEE International Conference on Control and Automation 2018, Anchorage, Alaska, United States, June  2018.

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