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Hendrik Lens, Jürgen Adamy

Soft Variable-structure Control with Observers for a Hydraulic Actuator

Keywords: state-space observer, soft variable-structure control, nearly time-optimal control, input constraint, hydraulic motor

Several soft variable-structure controls are designed for the linear model of a hydraulic actuator with an input constraint. It is shown that the plant can be controlled very fast using output feedback with a linear Luenberger observer. The influence of the observer on the performance of the soft variable-structure controls is examined. The performance is compared to that of a linear and a time-optimal controller.

at – Automatisierungstechnik, Oldenbourg Wissenschaftsverlag

Print ISSN: 0178-2312
Volume: 55, 08/2007
Pages: 411 - 417

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