Experimental Investigation of a Directly Driven Hydraulic Unit in an Industrial Application

Teemu Koitto, Heikki Kauranne, Olof Calonius, Tatiana Minav, Matti Pietola

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Government-enforced regulations have led to increasing demands for energy efficient solutions in the industry. To diminish the losses of hydraulic systems and to increase their energy efficiency, several pump control methods have been developed. In this work, a new experimental direct drive actuator solution, powered directly by a servo motor controlled hydraulic pump-motor, is evaluated. As an additional innovative feature, a load compensating hydraulic circuit has been introduced in order to reduce power consumption even further. The study presents results of performance measurements of this new concept.
Original languageEnglish
Title of host publicationProceedings of the 11th International Fluid Power Conference, March 19-21, 2018, Aachen, Germany
EditorsHubertus Murrenhoff
Place of PublicationAachen
PublisherRWTH Aachen University
Number of pages14
ISBN (Electronic)978-3-95886-215-9
Publication statusPublished - 2018
MoE publication typeA4 Conference publication
EventInternational Fluid Power Conference - Aachen, Germany
Duration: 19 Mar 201821 Mar 2018
Conference number: 11


ConferenceInternational Fluid Power Conference
Abbreviated titleIFK
Internet address


  • direct driven hydraulics
  • electro-hydraulic actuator
  • displacement-controlled hydraulics
  • load compensation
  • industrial
  • experimental


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