Xiao Lin

Zhejiang University, Hang-hsien, Zhejiang Sheng, China

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Publications (1)0.61 Total impact

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    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.
    Journal of Zhejiang University - Science A: Applied Physics & Engineering 05/2008; 9(5):624-632. · 0.61 Impact Factor

Publication Stats

8 Citations
0.61 Total Impact Points


  • 2008
    • Zhejiang University
      • State Key Lab of Fluid Power Transmission and Control
      Hang-hsien, Zhejiang Sheng, China