Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | Experimental Investigation of a Displacement-controlled Hydrostatic Pump/Motor by Means of Rotating Valve Plate Link�ping University Electronic Press Conference Proceedings
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Title:
Experimental Investigation of a Displacement-controlled Hydrostatic Pump/Motor by Means of Rotating Valve Plate
Author:
Liselott Ericson: Department of Management and Engineering, Fluid and Mechatronic Systems, Linköping University, Linköping, Sweden Samuel Kärnell: Department of Management and Engineering, Fluid and Mechatronic Systems, Linköping University, Linköping, Sweden Martin Hochwallner: Department of Management and Engineering, Fluid and Mechatronic Systems, Linköping University, Linköping, Sweden
DOI:
10.3384/ecp1714419
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden
Issue:
144
Article no.:
002
Pages:
19-27
No. of pages:
9
Publication type:
Abstract and Fulltext
Published:
2017-12-20
ISBN:
978-91-7685-369-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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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 valve plate. By changing the angle of the valve plate, the effective use of the stroke is changed. The rotating 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 results show potential for this kind of displacement control. However, the rotating valve plate creates pressure pulsations at part-displacement due to the commutation being performed at high piston speeds. If the piston speed and hence the flow from each piston is low, the pressure pulsation is acceptable.



Keywords: Fluid power pump/motor, displacement actuator

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Liselott Ericson, Samuel Kärnell, Martin Hochwallner
Title:
Experimental Investigation of a Displacement-controlled Hydrostatic Pump/Motor by Means of Rotating Valve Plate
DOI:
http://dx.doi.org/10.3384/ecp1714419
References:
No references available

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Liselott Ericson, Samuel Kärnell, Martin Hochwallner
Title:
Experimental Investigation of a Displacement-controlled Hydrostatic Pump/Motor by Means of Rotating Valve Plate
DOI:
http://dx.doi.org/10.3384/ecp1714419
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Last updated: 2018-9-11