Angle-domain repetitive disturbances refer to disturbances that are periodic in a generic angle variable which is monotonically increasing with time but not uniformly. This paper extends the classical prototype repetitive control methodology for time periodic disturbances to this situation. Instead of using an internal model approach to derive the control, an affine parameterization approach is adopted which reduces the control design methodology to one of estimating and canceling the disturbance. While the resulting control architectures are similar to the classical time-domain periodic case, the stability conditions are different and depend on the choice of signal norm. This necessitates an alternate compensator design approach for the nonminimum phase terms. Robust stability is also considered in the L2 setting and an affine Q-filter concept is introduced to achieve robust stability.
Prototype Angle-Domain Repetitive Control-Affine Parameterization Approach
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received May 6, 2015; final manuscript received September 8, 2015; published online October 1, 2015. Assoc. Editor: Douglas Bristow.
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Li, P. Y. (October 1, 2015). "Prototype Angle-Domain Repetitive Control-Affine Parameterization Approach." ASME. J. Dyn. Sys., Meas., Control. December 2015; 137(12): 121009. https://doi.org/10.1115/1.4031577
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