An adaptive friction compensation scheme for direct drive valve was proposed based on LuGre model.
针对直接驱动阀阀芯摩擦力，论述了基于模型的摩擦力自适应补偿。
The friction drive mechanism moves well even when driven at high frequency and with long strokes, so it can be used with open-loop control systems for micro displacement.
进给速度可通过改变驱动脉冲的频率调节，机构在高频驱动大位移动作时亦表现出准确的步进特性，可用于小型机电系统的开环进给驱动。
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