Analysis of a variable displacement axial piston pump, as in other complex fluid power and mechanical systems, requires appropriate insight into three multidisciplinary domains, i.e. hydraulics, mechanics and tribology. In recent years, at FPRL, modelling of axial piston pumps has evolved in AMESim (one dimensional code) where a three dimensional mechanical approach has required generation of proprietary libraries leading to the evaluation of internal forces/reactions in all pump subsystems. Tribologic aspects in axial piston pumps modelling are also being investigated but AMESim, in this respect, does not appear as the appropriate computational environment. Consequently, a new approach has been initiated grounded on MSC.ADAMS. In this perspective, the paper details how the model has been developed through proprietary macros that automatically originate all pump subsystems parametrically and further apply required constraints and forces (springs, contacts and pressure forces). The ADAMS environment has also been selected due to co-simulation capabilities with AMESim. Accordingly, the paper elucidates how the entire modelling has been construed where hydraulics is managed in AMESim while ADAMS takes care of mechanics. As such this paper indicates an innovative methodology for the analysis of complex fluid power systems in the hope that, eventually, tribology will also fit into the scene.
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ASME 8th Biennial Conference on Engineering Systems Design and Analysis
July 4–7, 2006
Torino, Italy
ISBN:
0-7918-4249-5
PROCEEDINGS PAPER
Modelling a Variable Displacement Axial Piston Pump in a Multibody Simulation Environment Available to Purchase
Alessandro Roccatello,
Alessandro Roccatello
Politecnico di Torino, Torino, Italy
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Salvatore Manco`,
Salvatore Manco`
Politecnico di Torino, Torino, Italy
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Nicola Nervegna
Nicola Nervegna
Politecnico di Torino, Torino, Italy
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Alessandro Roccatello
Politecnico di Torino, Torino, Italy
Salvatore Manco`
Politecnico di Torino, Torino, Italy
Nicola Nervegna
Politecnico di Torino, Torino, Italy
Paper No:
ESDA2006-95806, pp. 819-829; 11 pages
Published Online:
September 5, 2008
Citation
Roccatello, A, Manco`, S, & Nervegna, N. "Modelling a Variable Displacement Axial Piston Pump in a Multibody Simulation Environment." Proceedings of the ASME 8th Biennial Conference on Engineering Systems Design and Analysis. Volume 2: Automotive Systems, Bioengineering and Biomedical Technology, Fluids Engineering, Maintenance Engineering and Non-Destructive Evaluation, and Nanotechnology. Torino, Italy. July 4–7, 2006. pp. 819-829. ASME. https://doi.org/10.1115/ESDA2006-95806
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