A study on the simulation of link mechanics. (1st report Analysis of the dynamic responses, including elastic vibration)

Abstract

The dynamic analysis of link structures, including elastic vibrations, is presented. A truss element, a truss element with pulleys, and a beam element are adapted to simulate link structures, such as robots and construction machines. The theory is based on the three-dimensional static load increment method and is extended to dynamic response analysis. Some examples, such as a rotating pendulum, the free vibration of a cantilever rod, and the dynamic buckling of a shallow arch, are calculated. The three-dimensional movement of a crane is also calculated. It has been clarified that the proposed method is useful to predict the dynamic behavior of link structures, including elastic vibrations.