Variable speed drive with hydraulic boost

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Variable speed drive with hydraulic boost. / Linjama, Matti.

julkaisussa: International Journal of Fluid Power, Vuosikerta 20, Nro 1, 2019, s. 99-123.

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Linjama, Matti. / Variable speed drive with hydraulic boost. Julkaisussa: International Journal of Fluid Power. 2019 ; Vuosikerta 20, Nro 1. Sivut 99-123.

Bibtex - Lataa

@article{01eb38c052024ecab55fcdffb4b5852a,

title = "Variable speed drive with hydraulic boost",

abstract = "This paper studies a variable speed drive with two hydraulic pump motors connected to an actuator. The torque load of the pump motors is reduced by connecting accumulators at different pressures to the inlets of the pump motors. A method for real-time selection of the inlet accumulators is developed. A linearized model is derived, and a robust control approach is used for the controller design of the variable speed drive. Simulation results indicate excellent controllability and robustness together with good energy efficiency. When three accumulators – one being a pressurized tank line – are used, the peak torque is reduced by 52 per cent compared to the traditional solution.",

keywords = "Hydraulics, Robust control, Variable speed drive",

author = "Matti Linjama",

year = "2019",

doi = "10.13052/ijfp1439-9776.2014",

language = "English",

volume = "20",

pages = "99--123",

journal = "International Journal of Fluid Power",

issn = "1439-9776",

publisher = "Taylor and Francis Ltd.",

number = "1",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Variable speed drive with hydraulic boost

AU - Linjama, Matti

PY - 2019

Y1 - 2019

N2 - This paper studies a variable speed drive with two hydraulic pump motors connected to an actuator. The torque load of the pump motors is reduced by connecting accumulators at different pressures to the inlets of the pump motors. A method for real-time selection of the inlet accumulators is developed. A linearized model is derived, and a robust control approach is used for the controller design of the variable speed drive. Simulation results indicate excellent controllability and robustness together with good energy efficiency. When three accumulators – one being a pressurized tank line – are used, the peak torque is reduced by 52 per cent compared to the traditional solution.

AB - This paper studies a variable speed drive with two hydraulic pump motors connected to an actuator. The torque load of the pump motors is reduced by connecting accumulators at different pressures to the inlets of the pump motors. A method for real-time selection of the inlet accumulators is developed. A linearized model is derived, and a robust control approach is used for the controller design of the variable speed drive. Simulation results indicate excellent controllability and robustness together with good energy efficiency. When three accumulators – one being a pressurized tank line – are used, the peak torque is reduced by 52 per cent compared to the traditional solution.

KW - Hydraulics

KW - Robust control

KW - Variable speed drive

U2 - 10.13052/ijfp1439-9776.2014

DO - 10.13052/ijfp1439-9776.2014

M3 - Article

VL - 20

SP - 99

EP - 123

JO - International Journal of Fluid Power

JF - International Journal of Fluid Power

SN - 1439-9776

IS - 1

ER -

TUTCRIS