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Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator

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Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator. / Huova, Mikko; Aalto, Arttu; Linjama, Matti; Huhtala, Kalevi.

The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden. Linköping University Electronic Press, 2017. p. 214-223 (Linköping Electronic Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Huova, M, Aalto, A, Linjama, M & Huhtala, K 2017, Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator. in The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden. Linköping Electronic Conference Proceedings, Linköping University Electronic Press, pp. 214-223, Scandinavian International Conference on Fluid Power, 1/01/00. https://doi.org/10.3384/ecp17144214

APA

Huova, M., Aalto, A., Linjama, M., & Huhtala, K. (2017). Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator. In The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden (pp. 214-223). (Linköping Electronic Conference Proceedings). Linköping University Electronic Press. https://doi.org/10.3384/ecp17144214

Vancouver

Huova M, Aalto A, Linjama M, Huhtala K. Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator. In The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden. Linköping University Electronic Press. 2017. p. 214-223. (Linköping Electronic Conference Proceedings). https://doi.org/10.3384/ecp17144214

Author

Huova, Mikko ; Aalto, Arttu ; Linjama, Matti ; Huhtala, Kalevi. / Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator. The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden. Linköping University Electronic Press, 2017. pp. 214-223 (Linköping Electronic Conference Proceedings).

Bibtex - Download

@inproceedings{69508eeb7bf24c6a893327b548e053be,
title = "Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator",
abstract = "A digital hydraulic multi-pressure actuator is a new actuator concept, which aims at lowering energy losses and decreasing dynamic requirements of a prime mover in mobile hydraulic applications. The actuator consists of an integrated hydraulic accumulator, which serves as an energy storage and a number of asymmetric cylinders acting as discrete pressure transformers. Leak-free on/off-valves are used to direct flow from the discrete pressure transformers to the actuator. Input power is supplied by charging the local accumulator with a small fixed displacement pump. Thus, the actuator requires only mean input power, while the output power peaks can be multifold. This paper concentrates on studying the controllability of the actuator concept and analyses the power losses and their sources through experimental study. The energy losses of the concept are measured in a mobile hydraulic boom mock-up and compared to earlier measured losses of a load sensing proportional valve based system. The measurements show that up to 77 {\%} of the losses can be avoided by using the new concept. Three controller types are studied numerically and experimentally and their effect on control resolution and energy efficiency is evaluated.",
keywords = "Digital hydraulics, Integrated actuator, Multi-pressure system",
author = "Mikko Huova and Arttu Aalto and Matti Linjama and Kalevi Huhtala",
note = "INT=aut,{"}Aalto, Arttu{"}",
year = "2017",
month = "6",
day = "8",
doi = "10.3384/ecp17144214",
language = "English",
series = "Link{\"o}ping Electronic Conference Proceedings",
publisher = "Link{\"o}ping University Electronic Press",
pages = "214--223",
booktitle = "The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Link{\"o}ping, Sweden",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - Study of Energy Losses in Digital Hydraulic Multi-Pressure Actuator

AU - Huova, Mikko

AU - Aalto, Arttu

AU - Linjama, Matti

AU - Huhtala, Kalevi

N1 - INT=aut,"Aalto, Arttu"

PY - 2017/6/8

Y1 - 2017/6/8

N2 - A digital hydraulic multi-pressure actuator is a new actuator concept, which aims at lowering energy losses and decreasing dynamic requirements of a prime mover in mobile hydraulic applications. The actuator consists of an integrated hydraulic accumulator, which serves as an energy storage and a number of asymmetric cylinders acting as discrete pressure transformers. Leak-free on/off-valves are used to direct flow from the discrete pressure transformers to the actuator. Input power is supplied by charging the local accumulator with a small fixed displacement pump. Thus, the actuator requires only mean input power, while the output power peaks can be multifold. This paper concentrates on studying the controllability of the actuator concept and analyses the power losses and their sources through experimental study. The energy losses of the concept are measured in a mobile hydraulic boom mock-up and compared to earlier measured losses of a load sensing proportional valve based system. The measurements show that up to 77 % of the losses can be avoided by using the new concept. Three controller types are studied numerically and experimentally and their effect on control resolution and energy efficiency is evaluated.

AB - A digital hydraulic multi-pressure actuator is a new actuator concept, which aims at lowering energy losses and decreasing dynamic requirements of a prime mover in mobile hydraulic applications. The actuator consists of an integrated hydraulic accumulator, which serves as an energy storage and a number of asymmetric cylinders acting as discrete pressure transformers. Leak-free on/off-valves are used to direct flow from the discrete pressure transformers to the actuator. Input power is supplied by charging the local accumulator with a small fixed displacement pump. Thus, the actuator requires only mean input power, while the output power peaks can be multifold. This paper concentrates on studying the controllability of the actuator concept and analyses the power losses and their sources through experimental study. The energy losses of the concept are measured in a mobile hydraulic boom mock-up and compared to earlier measured losses of a load sensing proportional valve based system. The measurements show that up to 77 % of the losses can be avoided by using the new concept. Three controller types are studied numerically and experimentally and their effect on control resolution and energy efficiency is evaluated.

KW - Digital hydraulics

KW - Integrated actuator

KW - Multi-pressure system

U2 - 10.3384/ecp17144214

DO - 10.3384/ecp17144214

M3 - Conference contribution

T3 - Linköping Electronic Conference Proceedings

SP - 214

EP - 223

BT - The 15th Scandinavian International Conference on Fluid Power, SICFP’17, June 7-9, 2017, Linköping, Sweden

PB - Linköping University Electronic Press

ER -