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Input shaping has proven very beneficial for reducing vibration that is caused by changes in the reference command.
The usefulness of this combined approach for dealing with both external and reference command disturbances is demonstrated with computer simulations.
Experimental results show good control performance in terms of reference command tracking ability and steady-state errors.
Furthermore, input shaping is combined with the absorbers in order to deal with the vibration induced by the reference command.
Systems that exhibit flexible dynamics are susceptible to vibration caused by changes in the reference command, as well as, from external disturbances.
Input shaping is a control method that allows much higher speeds of motion by limiting vibration induced by the reference command.
Similar(45)
Finally, the guidance law is designed to track the reference commands.
The interest here is to achieve a robust trajectory tracking of the reference commands in spite of large parameter uncertainties.
Constraint enforcement functionalities are also built into the proposed method to ensure that the pre-compensated reference commands stay within specified velocity and acceleration limits.
Pseudo Control Hedging is included to guarantee that no unachievable reference commands are given to the system, which would otherwise result in control effector saturation.
We assume that the region ℜ to which reference commands belong is given and that we can observe the whole state of the plant.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com