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电弧炉电极调节系统的模糊解耦控制器

, PP. 27-33

Keywords: 电弧炉,三相耦合,解耦,模糊控制器,仿真

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Abstract:

由于电弧炉三个电极之间存在耦合作用,严重影响了三相电极的控制效果,而普通单相控制方法因未考虑耦合易出现较大的失调.本文在分析三相电极耦合关系基础上,推导出电流补偿解耦方法.该方法对电极解耦有理论意义,但补偿系数与弧长实时相关且计算量较大.故在电流补偿解耦方法基础上又引入了单输入双输出的模糊器进行补偿解耦.通过Matlab/Simulink软件对其解耦性,抗干扰性进行仿真并对现场采集的数据进行解耦前后的比较,结果表明模糊补偿解耦器能消除三相电极之间的强耦合作用,提高电弧炉炼钢效率及降低能耗.

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