A Novel Solution for the Elimination of Mode Switching in Pump-Controlled Single-Rod Cylinders

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ID: 266119
2020
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Abstract
This paper concerns the stability issue of pump-controlled single-rod cylinders, known as mode switching. First, a review of the topic is provided. Thereafter, the most recently proposed solution for the elimination of mode switching is investigated and shown to result in unstable behavior under certain operating conditions. A theoretical analysis is provided demonstrating the underlying mechanisms of this behavior. Based on the analysis, a novel control strategy is proposed and investigated numerically. Proper operation and stability are demonstrated for a wide range of operating conditions, including situations under which the most recently proposed solution results in unstable behavior and loss of control over the actuator.
Reference Key
gøytil2020actuatorsa Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Petter H. Gøytil;Damiano Padovani;Michael R. Hansen;Gøytil, Petter H.;Padovani, Damiano;Hansen, Michael R.;
Journal actuators
Year 2020
DOI
10.3390/act9010020
URL
https://www.mdpi.com/2076-0825/9/1/20
Keywords
stability oscillations pump-controlled systems mode switching instability linear actuators single-pump circuits large inertia loads electrohydraulic valves

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