Research on Dynamic Modelling and Simulation of Erection System of Mobile Equipment in Absolute Coordinates
This paper employed the theories of multibody system dynamics to analyze the multi-rigid-body model of erection system and build the general dynamic models in absolute coordinates. The impact theory of contact mechanics and nonlinear spring-damper force function were used to model the impact problems between rods of multi-stage hydraulic cylinder of erection system and educe the dynamic models of multi-rigid-body erection system with impact. An automatic violation correction method according to the step of integration time was given to solve the violation which is an incident problem in numerical integration of dynamic models in absolute coordinates. Simulation results show that these dynamic models are effective.
Q. H. Gao and X. Y. Li, "Research on Dynamic Modelling and Simulation of Erection System of Mobile Equipment in Absolute Coordinates", Applied Mechanics and Materials, Vols. 66-68, pp. 2034-2040, 2011