For the two-bar robot arm, we focus merely the whole kinetic energy at horizontal condition, and neglect the change of potential energy due to the bending deflection of the robot arm.
对二连杆机器人手臂在水平状态下仅考虑总的动能，而忽略由于手臂挠曲变形而产生的位能变化。
2
The moving theory of four bar linkage is often used to analyze the triangular arm unloading mechanism of dump truck.
重型自卸汽车设计中经常选用三角臂组合式倾卸机构，应用的是铰链四连杆机械运动工作原理。
3
After the analysis ofthe two-bar robot arm, we get the parameters and equations as follows, 1.