A Novel Solution for the Elimination of Mode Switching in Pump-Controlled Single-Rod Cylinders
| Autor: | Petter H. Gøytil, Damiano Padovani, Michael R. Hansen |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
pump-controlled systems
mode switching instability linear actuators single-pump circuits oscillations stability large inertia loads electrohydraulic valves Materials of engineering and construction. Mechanics of materials TA401-492 Production of electric energy or power. Powerplants. Central stations TK1001-1841 |
| Zdroj: | Actuators, Vol 9, Iss 1, p 20 (2020) |
| Druh dokumentu: | article |
| ISSN: | 2076-0825 |
| DOI: | 10.3390/act9010020 |
| Popis: | 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. |
| Databáze: | Directory of Open Access Journals |
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