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Hydraulic Infinite Linear Actuator -- The Ballistic Gait: Digital Hydro-Mechanical Motion
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-7598-8082
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2315-0680
2017 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The Hydraulic Infinite Linear Actuator, HILA, has been presented in previous publications. The novel actuator consists of one, two or more double-acting cylinders witha common piston rod and hydraulically detachable pistons. In the basic gait, one cylinderalternatingly engages and drives the load while the other retracts. The HILA thus works in akind of rope-climbing motion. The concept also allows other gaits, i.e. patterns of motion.This contribution focuses on the ballistic gait, a pattern of motion where one cylinder engagesto give the load a push. The load then carries on with its motion by inertia, cylinders disen-gaged. The actuator thus realizes hydro-mechanical pulse-frequency modulation (PFM).This gait is energy efficient and able to recuperate energy.

Place, publisher, year, edition, pages
Linköping, Sweden, 2017.
Keyword [en]
novel actuator, infinite linear motion, digital fluid power, digital hydromechanical motion, energy recuperation
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-142416OAI: oai:DiVA.org:liu-142416DiVA: diva2:1153507
Conference
15th Scandinavian International Conference on Fluid Power, SICFP’17, Linköping, Sweden, Juni 7-9, 2017
Available from: 2017-10-30 Created: 2017-10-30 Last updated: 2017-11-23Bibliographically approved

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Hochwallner, MartinKrus, Petter

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