Modelling of a Switching Control Hydraulic System

Bernhard Manhartsgruber, Gudrun Mikota and Rudolf Scheidl

Mathematical and Computer Modelling of Dynamical Systems, 2005, vol. 11, issue 3, 329-344

Abstract: Modelling of a hydraulic system featuring a specific type of switching control is presented. Despite conventional hydraulic drive technology where rather smooth changes of pressure and flow rate are intended and where oscillations constitute undesired phenomena, switching control provokes oscillations as an indispensable element to achieve high energetic efficiency with valve control. The system under study is one which comprises a novel switching valve, a long line with considerable wave propagation dynamics, a hydraulic cylinder, and the valve's dynamics.

Date: 2005
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DOI: 10.1080/13873950500076297

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