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计算机科学技术 迟滞 According to statistics,about 30%of the control loops in the process industry are in a state of oscillation,in which 1 / 3 due to the valve stiction. 据统计,流程工业过程中有大约30%的回路处于振荡状态,其中1/3是由于调节阀(执行机构)迟滞所引起的。 静态阻力 A primary cause of oscillation in the control loop is the stiction of the actuator, and its mathematical model is obtained by use of method based on data-driven in the article. 控制回路振荡的一个主要原因是执行机构中存在的静态阻力,对此,文中用基于数据驱动的方法建立了其数学模型。 黏滞
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