Motion stability modal shaping for wheeled unsprung construction machinery

摘要

Observations of the behavior of an unsprung machine during the ride lead us to formulate the hypothesis of reduced machine's stability while it moves forward. Chwastek [3] confirms the view that the vertical motion of an unsprung mobile construction equipment while it moves forward is implemented under the condition of stability limit, mostly due to stiffness of the dynamic system in the horizontal direction (no damping in the horizontal direction).