Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | The Hydraulic Infinite Linear Actuator with Multiple Rods Link�ping University Electronic Press Conference Proceedings
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Title:
The Hydraulic Infinite Linear Actuator with Multiple Rods
Author:
Magnus Landberg: Saab Aeronautics, Linköping, Sweden Magnus Sethson: Division of Fluid and Mechatronic Systems, Department of Management and Engineering, Linköping University, Linköping, Sweden Petter Krus: Division of Fluid and Mechatronic Systems, Department of Management and Engineering, Linköping University, Linköping, Sweden
DOI:
10.3384/ecp17144279
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.:
028
Pages:
279-293
No. of pages:
15
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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Future hydraulic actuation systems can be significantly improved by utilisation of a new type of hydraulic linear actuator technology. By enabling multiple actuating elements, integrated in a compact and lightweight single unit controlled by ordinary directional valves it is possible to achieve a high position accuracy. This is a new way to generate and distribute mechanical linear movement and force by using hydraulic actuators in a cost effective way, in less responsive closed loop systems. This is a variant on the Hydraulic Infinite Linear Actuator, HILA, invention. The technology also represents a new sort of digital hydraulics. The presented technology provides typical hydraulic actuator characteristics with high system pressure and potentially no external oil leakage. It is based on a well-known hydraulic clamping element technology used in a new way, where the piston and the piston rod can quickly be coupled and uncoupled by means of the clamping element in a failsafe way by using well defined incremental steps. HILA in its simplest usage, provides new features to hydraulic cylinders such as providing very long strokes, high rod speed, and small chamber volumes which means high stiffness and low capacitance. The aim of this study is to present a fundamentally new way of using hydraulic actuators. The invention is called the Hydraulic Infinite Linear Actuator with Multiple Rods, HILA MR. The study presents the idea, principles and feasible combinations of the technology. Also applications in the aircraft and robotic field will be presented.



Keywords: Hydraulic actuator, incremental control, snake-like robot, robot arm

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

Author:
Magnus Landberg, Magnus Sethson, Petter Krus
Title:
The Hydraulic Infinite Linear Actuator with Multiple Rods
DOI:
http://dx.doi.org/10.3384/ecp17144279
References:
No references available

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

Author:
Magnus Landberg, Magnus Sethson, Petter Krus
Title:
The Hydraulic Infinite Linear Actuator with Multiple Rods
DOI:
http://dx.doi.org/10.3384/ecp17144279
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Last updated: 2018-9-11