针对全液压平地机负载作业时载荷自适应控制引发系统振荡的问题,在对原因深入剖析之后,运用关联发动机输出功率、系统压力以及马达输出转矩和转速等参数的液压马达排量控制策略,成功地解决了系统振荡的问题。提高了机器负载作业的工作效率,同时进一步保护了液压主泵和马达以及改善机器操作的舒适性。 Aiming at the problem of system vibration caused by load adaptive control during full load operation of hydraulic grader, after analyzing the reasons in depth, the paper uses the hydraulic motor displacement control strategy which is related to the engine output power, system pressure and motor output torque and speed, Successfully solved the problem of system oscillation. Increases the efficiency of machine load operations while further protecting the hydraulic main pumps and motors as well as improving machine comfort.