CLC number: TH137.7
On-line Access: 2018-03-05
Received: 2016-12-16
Revision Accepted: 2017-05-26
Crosschecked: 2018-01-31
Cited: 0
Clicked: 5102
Jing Yao, Pei Wang, Xiao-ming Cao, Zhuo Wang. Independent volume-in and volume-out control of an open circuit pump-controlled asymmetric cylinder system[J]. Journal of Zhejiang University Science A, 2018, 19(3): 203-210.
@article{title="Independent volume-in and volume-out control of an open circuit pump-controlled asymmetric cylinder system",
author="Jing Yao, Pei Wang, Xiao-ming Cao, Zhuo Wang",
journal="Journal of Zhejiang University Science A",
volume="19",
number="3",
pages="203-210",
year="2018",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1600780"
}
%0 Journal Article
%T Independent volume-in and volume-out control of an open circuit pump-controlled asymmetric cylinder system
%A Jing Yao
%A Pei Wang
%A Xiao-ming Cao
%A Zhuo Wang
%J Journal of Zhejiang University SCIENCE A
%V 19
%N 3
%P 203-210
%@ 1673-565X
%D 2018
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1600780
TY - JOUR
T1 - Independent volume-in and volume-out control of an open circuit pump-controlled asymmetric cylinder system
A1 - Jing Yao
A1 - Pei Wang
A1 - Xiao-ming Cao
A1 - Zhuo Wang
J0 - Journal of Zhejiang University Science A
VL - 19
IS - 3
SP - 203
EP - 210
%@ 1673-565X
Y1 - 2018
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1600780
Abstract: To avoid the flow asymmetry of a closed circuit pump-controlled asymmetric cylinder system, an efficient open circuit pump-controlled asymmetric cylinder system (OPACS) with an independent displacement volume-in and volume-out (VIVO) control method is proposed. The energy transmission path of the OPACS was analyzed, and an energy calculation model was built. A position-pressure combined control method was adopted to validate the proposed OPACS. Based on a 0.6-MN open circuit pump-controlled forging press system, a series of experiments with different return cylinder pressures were conducted. The experimental results confirmed that the proposed OPACS with the position-pressure combined control method was able to recover energy to reduce the installment power without sensitivity to the return cylinder’s pressure variation and that the position accuracy and rapidity could be improved by increasing the pressure in the return cylinder.
The manuscript presents a novel energy saving architecture of hydraulic system, Open Circuit Pump-controlled Asymmetric Cylinder System (OPACS). An independent displacement Volume-in and Volume-out (VIVO) control concept for OPACS was defined, and also was validated using a position-pressure compound control method by experiments.
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