Input Shaping Control with Reentry Commands of Prescribed Duration
Applied and Computational Mechanics, Vol. 2, No. 2, pp. 227 - 234
P. Beneš (corresponding author:  petr.benes@fs.cvut.cz )
M. Valášek
Abstract:

Control of flexible mechanical structures often deals with the problem of unwanted vibration. The input shaping is a feedforward method based on modification of the input signal so that the output performs the demanded behaviour. The presented approach is based on a finite-time Laplace transform. It leads to no-vibration control signal without any limitations on its time duration because it is not strictly connected to the system resonant frequency. This idea used for synthesis of control input is extended to design of dynamical shaper with reentry property that transform an arbitrary input signal to the signal that cause no vibration. All these theoretical tasks are supported by the results of simulation experiments.

Keywords:

input shaping, vibration suppression, reentry control, flexible mechanical structures

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