In this paper, a simple fractional calculus-based control law is proposed for asymptotic tracking of ramp reference inputs in dynamical systems. Without need to add any zero to the loop transfer function, the proposed technique can guarantee asymptotic ramp tracking in plants having nonminimum phase zeros. The appropriate range for determining the parameters of the proposed control law is also specified. Moreover, the performance of the designed control system in tracking ramp reference inputs is illustrated by different numerical examples.
Ramp Tracking in Systems With Nonminimum Phase Zeros: One-and-a-Half Integrator Approach
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received June 13, 2014; final manuscript received November 30, 2015; published online January 12, 2016. Assoc. Editor: Luis Alvarez.
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Tavazoei, M. S. (January 12, 2016). "Ramp Tracking in Systems With Nonminimum Phase Zeros: One-and-a-Half Integrator Approach." ASME. J. Dyn. Sys., Meas., Control. March 2016; 138(3): 031002. https://doi.org/10.1115/1.4032317
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