Classification and Review of Pump-Controlled Differential Cylinder Drives

Søren Ketelsen, Damiano Padovani, Torben Ole Andersen, Morten Kjeld Ebbesen, Lasse Schmidt

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

1 Citation (Scopus)
17 Downloads (Pure)

Resumé

Pump-controlled hydraulic cylinder drives may offer improved energy efficiency, compactness, and plug-and-play installation compared to conventional valve-controlled hydraulic systems and thus have the potential of replacing conventional hydraulic systems as well as electro-mechanical alternatives. Since the late 1980s, research into how to configure the hydraulic circuit of pump-controlled cylinder drives has been ongoing, especially in terms of compensating the uneven flow requirements required by a differential cylinder. Recently, research has also focused on other aspects such as replacing a vented oil tank with a small-volume pressurized accumulator including the consequences of this in terms of thermal behavior. Numerous references describe the advantages and shortcomings of pump-controlled cylinder drives compared to conventional hydraulic systems or electro-mechanical drives. This paper presents a throughout literature review starting from the earliest concepts based on variable-displacement hydraulic pumps and vented reservoirs to newer concepts based on variable-speed electric drives and sealed reservoirs. By classifying these drives into several proposed classes it is found that the architectures considered in the literature reduce to a few basic layouts. Finally, the paper compares the advantages and shortcomings of each drive class and seek to predict future research tasks related to pump-controlled cylinder drives.
OriginalsprogEngelsk
Artikelnummer1293
TidsskriftEnergies
Vol/bind12
Udgave nummer7
Antal sider27
ISSN1996-1073
DOI
StatusUdgivet - 4 apr. 2019

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Pump
Hydraulic System
Hydraulics
Pumps
Literature Review
Oil tanks
Mechanical drives
Variable speed drives
Energy Efficiency
Compactness
Layout
Energy efficiency
Review
Predict
Alternatives
Requirements
Networks (circuits)
Concepts
Class

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    abstract = "Pump-controlled hydraulic cylinder drives may offer improved energy efficiency, compactness, and plug-and-play installation compared to conventional valve-controlled hydraulic systems and thus have the potential of replacing conventional hydraulic systems as well as electro-mechanical alternatives. Since the late 1980s, research into how to configure the hydraulic circuit of pump-controlled cylinder drives has been ongoing, especially in terms of compensating the uneven flow requirements required by a differential cylinder. Recently, research has also focused on other aspects such as replacing a vented oil tank with a small-volume pressurized accumulator including the consequences of this in terms of thermal behavior. Numerous references describe the advantages and shortcomings of pump-controlled cylinder drives compared to conventional hydraulic systems or electro-mechanical drives. This paper presents a throughout literature review starting from the earliest concepts based on variable-displacement hydraulic pumps and vented reservoirs to newer concepts based on variable-speed electric drives and sealed reservoirs. By classifying these drives into several proposed classes it is found that the architectures considered in the literature reduce to a few basic layouts. Finally, the paper compares the advantages and shortcomings of each drive class and seek to predict future research tasks related to pump-controlled cylinder drives.",
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    Classification and Review of Pump-Controlled Differential Cylinder Drives. / Ketelsen, Søren; Padovani, Damiano; Andersen, Torben Ole; Ebbesen, Morten Kjeld; Schmidt, Lasse.

    I: Energies, Bind 12, Nr. 7, 1293, 04.04.2019.

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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    AU - Schmidt, Lasse

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