Flatness Analysis for the Sampled-data Model of a Single Mast Stacker Crane
arXiv:2206.12350 · doi:10.1016/j.ifacol.2023.02.038
Abstract
We show that the Euler-discretization of the nonlinear continuous-time model of a single mast stacker crane is flat. The construction of the flat output is based on a transformation of a subsystem into the linear time-variant discrete-time controller canonical form. Based on the derived flat output, which is also a function of backward-shifts of the system variables, we discuss the planning of trajectories to achieve a transition between two rest positions and compute the corresponding discrete-time feedforward control.
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