Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics

Anders Hedegaard Hansen; Henrik C. Pedersen; Michael Møller Bech

Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics

Anders Hedegaard Hansen, Henrik C. Pedersen, Michael Møller Bech

AAU Energy

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

Abstract

The architecture of multi pressure line discrete fluid power force systems imposes rapid pressure shifts in the actuator volumes. These fast shifts between pressure levels often introduce pressure oscillations in the actuator chamber and connecting pipes. The topic of this paper is to perform pressure shifts by changing the connection between various fixed pressure lines without introducing significant pressure oscillation.
As a case study a discrete force system is utilised is a Power Take Off(PTO) system of a wave energy converter. Four pressure shifting algorithms are proposed and experimentally tested on a full scale PTO test bench. Two of the algorithms show promising results in two out of the four test cases.

Original language	English
Title of host publication	Proceedings of the 7th Workshop on Digital Fluid Power
Number of pages	15
Publisher	LCM GmbH
Publication date	2015
Pages	57-71
ISBN (Print)	978-3-200-04014-4
Publication status	Published - 2015
Event	7th Workshop on Digital Fluid Power - Linz, Austria Duration: 26 Feb 2015 → 27 Feb 2015

Conference

Conference	7th Workshop on Digital Fluid Power
Country/Territory	Austria
City	Linz
Period	26/02/2015 → 27/02/2015

Keywords

Discrete Fluid Power Force System
Pressure oscillations
Digital Hydraulics
On/off valves
Valve opening characteristics

AUB Link

Search for the material in Aalborg University Library's search engine

Cite this

@inproceedings{dc5bb07b6ed34c04b464a2be348dec89,

title = "Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics",

abstract = "The architecture of multi pressure line discrete fluid power force systems imposes rapid pressure shifts in the actuator volumes. These fast shifts between pressure levels often introduce pressure oscillations in the actuator chamber and connecting pipes. The topic of this paper is to perform pressure shifts by changing the connection between various fixed pressure lines without introducing significant pressure oscillation. As a case study a discrete force system is utilised is a Power Take Off(PTO) system of a wave energy converter. Four pressure shifting algorithms are proposed and experimentally tested on a full scale PTO test bench. Two of the algorithms show promising results in two out of the four test cases.",

keywords = "Discrete Fluid Power Force System, Pressure oscillations, Digital Hydraulics, On/off valves, Valve opening characteristics",

author = "Hansen, {Anders Hedegaard} and Pedersen, {Henrik C.} and Bech, {Michael M{\o}ller}",

year = "2015",

language = "English",

isbn = "978-3-200-04014-4",

pages = "57--71",

booktitle = "Proceedings of the 7th Workshop on Digital Fluid Power",

publisher = "LCM GmbH",

note = "7th Workshop on Digital Fluid Power ; Conference date: 26-02-2015 Through 27-02-2015",

}

Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics. / Hansen, Anders Hedegaard ; Pedersen, Henrik C.; Bech, Michael Møller.
Proceedings of the 7th Workshop on Digital Fluid Power . LCM GmbH, 2015. p. 57-71.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics

AU - Hansen, Anders Hedegaard

AU - Pedersen, Henrik C.

AU - Bech, Michael Møller

PY - 2015

Y1 - 2015

N2 - The architecture of multi pressure line discrete fluid power force systems imposes rapid pressure shifts in the actuator volumes. These fast shifts between pressure levels often introduce pressure oscillations in the actuator chamber and connecting pipes. The topic of this paper is to perform pressure shifts by changing the connection between various fixed pressure lines without introducing significant pressure oscillation. As a case study a discrete force system is utilised is a Power Take Off(PTO) system of a wave energy converter. Four pressure shifting algorithms are proposed and experimentally tested on a full scale PTO test bench. Two of the algorithms show promising results in two out of the four test cases.

AB - The architecture of multi pressure line discrete fluid power force systems imposes rapid pressure shifts in the actuator volumes. These fast shifts between pressure levels often introduce pressure oscillations in the actuator chamber and connecting pipes. The topic of this paper is to perform pressure shifts by changing the connection between various fixed pressure lines without introducing significant pressure oscillation. As a case study a discrete force system is utilised is a Power Take Off(PTO) system of a wave energy converter. Four pressure shifting algorithms are proposed and experimentally tested on a full scale PTO test bench. Two of the algorithms show promising results in two out of the four test cases.

KW - Discrete Fluid Power Force System

KW - Pressure oscillations

KW - Digital Hydraulics

KW - On/off valves

KW - Valve opening characteristics

M3 - Article in proceeding

SN - 978-3-200-04014-4

SP - 57

EP - 71

BT - Proceedings of the 7th Workshop on Digital Fluid Power

PB - LCM GmbH

T2 - 7th Workshop on Digital Fluid Power

Y2 - 26 February 2015 through 27 February 2015

ER -

Avoidance of transmission line pressure oscillations in discrete hydraulic systems – by shaping of valve opening characteristics

Abstract

Conference

Keywords

AUB Link

Fingerprint

Cite this