A methodology is presented for the modeling of flexible horizontal-axis, wind-turbine systems. The multi-rigid-body portions of the system are modeled as a system of interconnected rigid bodies using Autolev, a symbolic manipulator ideally suited for dynamics of multi-rigid-body systems. The flexible portions of the wind-turbine system are represented as beam finite elements. Equations are pres...

Aiming at addressing the problems of low production efficiency and safety factors in coal mines, this study designed a new type support equipment verified its theoretical reliability through analysis driving theory. The was carried out kinematics dynamics, position coordinates prototype different times were analyzed using RPY angles, spatial coordinate system established. Then, could be solved ...