A Combined Variable Displacement - Digital Cylinder Hydraulic Drive for Large Presses with High Operating Frequencies

Florian Meßner; Rudolf Scheidl; Rainer Haas; Hubert Gattringer; Klemens Springer

doi:10.1115/1.4033105

A Combined Variable Displacement - Digital Cylinder Hydraulic Drive for Large Presses with High Operating Frequencies

Florian Meßner
, Rudolf Scheidl
, Rainer Haas
, Hubert Gattringer
, Klemens Springer

Research output: Contribution to journal › Article › peer-review

Abstract

This paper deals with a novel hydraulic drive for large presses, combining the benefits of well developed but spacedemanding displacement control with the simplicity and reliability of digital hydraulics. In order to achieve these objectives, a single cylinder actuated by a variable displacement pump is synchronized with a set of cylinders driven by ordinary on/off valves. This setup is investigated using numerical simulation, an adequate control strategy as well as an experimental setup. All in all, very satisfying results regarding positioning accuracy and operating frequency are achieved using a quite simple control strategy.

Original language	English
Article number	074502
Pages (from-to)	074502-1 to 5
Number of pages	5
Journal	Journal of Dynamic Systems, Measurement and Control
Volume	138
Issue number	7
DOIs	https://doi.org/10.1115/1.4033105
Publication status	Published - Jul 2016

Fields of science

203 Mechanical Engineering
203015 Mechatronics

JKU Focus areas

Mechatronics and Information Processing

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10.1115/1.4033105

Cite this

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abstract = "This paper deals with a novel hydraulic drive for large presses, combining the benefits of well developed but spacedemanding displacement control with the simplicity and reliability of digital hydraulics. In order to achieve these objectives, a single cylinder actuated by a variable displacement pump is synchronized with a set of cylinders driven by ordinary on/off valves. This setup is investigated using numerical simulation, an adequate control strategy as well as an experimental setup. All in all, very satisfying results regarding positioning accuracy and operating frequency are achieved using a quite simple control strategy.",

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AU - Meßner, Florian

AU - Scheidl, Rudolf

AU - Haas, Rainer

AU - Gattringer, Hubert

AU - Springer, Klemens

PY - 2016/7

Y1 - 2016/7

N2 - This paper deals with a novel hydraulic drive for large presses, combining the benefits of well developed but spacedemanding displacement control with the simplicity and reliability of digital hydraulics. In order to achieve these objectives, a single cylinder actuated by a variable displacement pump is synchronized with a set of cylinders driven by ordinary on/off valves. This setup is investigated using numerical simulation, an adequate control strategy as well as an experimental setup. All in all, very satisfying results regarding positioning accuracy and operating frequency are achieved using a quite simple control strategy.

AB - This paper deals with a novel hydraulic drive for large presses, combining the benefits of well developed but spacedemanding displacement control with the simplicity and reliability of digital hydraulics. In order to achieve these objectives, a single cylinder actuated by a variable displacement pump is synchronized with a set of cylinders driven by ordinary on/off valves. This setup is investigated using numerical simulation, an adequate control strategy as well as an experimental setup. All in all, very satisfying results regarding positioning accuracy and operating frequency are achieved using a quite simple control strategy.

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A Combined Variable Displacement - Digital Cylinder Hydraulic Drive for Large Presses with High Operating Frequencies

Abstract

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