CLC number: TH137
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 0000-00-00
Cited: 27
Clicked: 6919
Xiao LIN, Shuang-xia PAN, Dong-yun WANG. Dynamic simulation and optimal control strategy for a parallel hybrid hydraulic excavator[J]. Journal of Zhejiang University Science A, 2008, 9(5): 624-632.
@article{title="Dynamic simulation and optimal control strategy for a parallel hybrid hydraulic excavator",
author="Xiao LIN, Shuang-xia PAN, Dong-yun WANG",
journal="Journal of Zhejiang University Science A",
volume="9",
number="5",
pages="624-632",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A071552"
}
%0 Journal Article
%T Dynamic simulation and optimal control strategy for a parallel hybrid hydraulic excavator
%A Xiao LIN
%A Shuang-xia PAN
%A Dong-yun WANG
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 5
%P 624-632
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071552
TY - JOUR
T1 - Dynamic simulation and optimal control strategy for a parallel hybrid hydraulic excavator
A1 - Xiao LIN
A1 - Shuang-xia PAN
A1 - Dong-yun WANG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 5
SP - 624
EP - 632
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A071552
Abstract: The primary focus of this study is to investigate the control strategies of a hybrid system used in hydraulic excavators. First, the structure and evaluation target of hybrid hydraulic excavators are analyzed. Then the dynamic system model including batteries, motor and engine is built as the simulation environment to obtain control results. A so-called multi-work-point dynamic control strategy, which has both closed-loop speed PI (proportion integral) control and direct torque control, is proposed and studied in the simulation model. Simulation results indicate that the hybrid system with this strategy can meet the power demand and achieve better system stability and higher fuel efficiency.
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