Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | Hydraulic Infinite Linear Actuator - The Ballistic Gait Digital Hydro-Mechanical Motion
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Title:
Hydraulic Infinite Linear Actuator - The Ballistic Gait Digital Hydro-Mechanical Motion
Author:
Martin Hochwallner: Division of Fluid and Mechatronic Systems, Linköping University, Linköping, Sweden Petter Krus: Division of Fluid and Mechatronic Systems, Linköping University, Linköping, Sweden
DOI:
10.3384/ecp1714410
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.:
001
Pages:
10-17
No. of pages:
8
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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The Hydraulic Infinite Linear Actuator, HILA, has been presented in [1], [2], and [3]. The novel actuator consists of one, two or more double acting cylinders with a common piston rod and hydraulically detachable pistons. In the basic gait [1], alternatingly, one cylinder engages and drives the load while the other retracts, the HILA thus works in a kind of rope climbing motion. But the concept allows also other gaits, pattern of motion.

This contribution focuses on the ballistic gait, a pattern of motion where one cylinder engages to give the load a push. Then the load carries on with its motion by inertia, cylinders disengaged. The actuator realizes thus hydro-mechanical pulse-frequency modulation (PFM). This gait is energy efficient and able to recuperate energy.



Keywords: Novel actuator, infinite linear motion, digital fluid power, digital hydromechanical motion, energy recuperation

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

Author:
Martin Hochwallner, Petter Krus
Title:
Hydraulic Infinite Linear Actuator - The Ballistic Gait Digital Hydro-Mechanical Motion
DOI:
http://dx.doi.org/10.3384/ecp1714410
References:
No references available

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

Author:
Martin Hochwallner, Petter Krus
Title:
Hydraulic Infinite Linear Actuator - The Ballistic Gait Digital Hydro-Mechanical Motion
DOI:
http://dx.doi.org/10.3384/ecp1714410
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Last updated: 2017-02-21