Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | A study on thermal behavior of pump-controlled actuator
Göm menyn

Title:
A study on thermal behavior of pump-controlled actuator
Author:
T.A. Minav: Department of Mechanical Engineering, Aalto University, Aalto, Finland M. Pietola: Department of Mechanical Engineering, Aalto University, Aalto, Finland
DOI:
10.3384/ecp17144333
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.:
033
Pages:
333-338
No. of pages:
6
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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In this research, a time-proven concept from the aircraft industry supports development and application of an electrohydraulic actuator (EHA) in stationary application. EHA allows to achieve high power density and high performance in a compact package as well as flexibility in system architecture for stationary applications. The electrohydraulic actuator can eliminate hoses, fittings, valves and fixtures and is easy to integrate into larger systems. Due to good energy efficiency, cooling usually is not required. However, a thermo-dynamic analysis clearly indicates that the electric machine is acting as a high temperature heat source, while the hydraulics of the actuator maintain relatively lower temperature. Therefore, this paper targets the simulation of the thermal behavior of a pump-controlled actuator by means of lumped parameter model in order to predict the operational temperature. The developed model is validated against measurements utilizing thermocouples under various operative conditions. Conclusions are drawn concerning thermal behavior and energy dissipation of the proposed pump-controlled actuator.



Keywords: Thermal modelling, losses, efficiency, pump-controlled actuator, stationary application

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

Author:
T.A. Minav, M. Pietola
Title:
A study on thermal behavior of pump-controlled actuator
DOI:
http://dx.doi.org/10.3384/ecp17144333
References:
No references available

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

Author:
T.A. Minav, M. Pietola
Title:
A study on thermal behavior of pump-controlled actuator
DOI:
http://dx.doi.org/10.3384/ecp17144333
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Last updated: 2017-02-21