Abstract
Abstract 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). The hypothesis is formulated and proved that motion stability in the vertical plane of wheeled unsprung mobile construction equipment can be effectively controlled during the ride through without changing the physical features of the dynamic system. The stability control will be based on modal regulation of the fuel amount. The fuel dosing affects the torque transmitted onto the wheels and the moment acting on the frame, which is equal in magnitude but acts in the direction opposite to the driving torque. The implementation of this method will improve the safety features of wheeled heavy machines and increase their productivity by increasing the speed.
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