The fault diagnosis system not only applies in the hydraulic motor of swivel gear but also in the running gear and working device of excavator after extending fault diagnosis system.
本文开发的故障诊断系统平台不仅可以用于回转装置液压马达的故障诊断，经拓展后还可用于挖掘机行走装置、工作装置液压系统。
Models of the position and tool forces of backhoe hydraulic excavator were built based on the full analysis of kinematics, kinetic performance of working device and mathematic model of tool forces.
在对反铲液压挖掘机工作装置的运动学、动力学性能以及挖掘力数学模型全面分析的基础上，建立了反铲液压挖掘机整机的位置模型和挖掘力发挥模型。
ZHANG Weiguo. Knematic Simulation and Analysis Research of Hydraulic Excavator Working Device [D]. Taiyuan: Taiyuan university of technology, 2010: 14-25.
[8] 张卫国。 液压挖掘机工作装置动力学仿真分析及研究[D]。 太原： 太原理工大学， 2010： 14-25。
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