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Experimental Investigation of a Displacement-controlled Hydrostatic Pump/Motorby Means of Rotating Valve Plate
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-3877-8147
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.
2017 (English)In: The 15th Scandinavian International Conference on Fluid Power, SICFP’17, 2017Conference paper, Oral presentation only (Other academic)
Abstract [en]

Interest in the control of variable fluid power pumps/motors has increased in recent years.The actuators used are inefficient and expensive and this reduces the variable units’ usability.This paper introduces displacement control of pumps/motors by means of a rotating valveplate. By changing the angle of the valve plate, the effective use of the stroke is changed. Therotating valve plate is experimentally verified by a modified in-line pump. In the prototype,the valve plate is controlled with a worm gear connected to an electric motor. The resultsshow potential for this kind of displacement control. However, the rotating valve plate createspressure pulsations at part-displacement due to the commutation being performed at highpiston speeds. If the piston speed and hence the flow from each piston is low, the pressurepulsation is acceptable.

Place, publisher, year, edition, pages
2017.
National Category
Engineering and Technology Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-142509OAI: oai:DiVA.org:liu-142509DiVA: diva2:1153565
Conference
The 15th Scandinavian International Conference on Fluid Power, SICFP’17
Available from: 2017-10-30 Created: 2017-10-30 Last updated: 2017-11-14

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