Abstract
In order to analyze the influence of liquid sloshing on roll stability of the sprayer, the equivalent mechanical model of liquid sloshing was introduced. A multi-degree-of-freedom model of the sprayer was established that includes the effect of liquid sloshing. An E-level road spectrum was constructed based on sinusoid superposition method according to the grade of the field ground unevenness, and the roll stability of the sprayer under these excitations was investigated. The effects of liquid filling ratio and driving speed were analyzed. The results show that the roll angle decreases with the increase of filling ratio at low speed, but the situation is opposite at high speed. The vertical acceleration of the vehicle body decreases to some extent under some situations due to the presence of the liquid. In general, both the roll angle and the vertical acceleration increase with the increase of the driving speed, especially in the case of existing liquid sloshing.
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