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据1990年制订的2000年发展计划．LKAB公司正在以先进的优化控制策略逐步实施从单元到全厂的自动化，并取得了初步效益：使生产率提高3％～5％；产量增加10％，并降低了成本，改善了产品质量。文章从全厂控制原理、单元控制现状、实施步骤、问题分析等进行了论述。
According to the 2000 development plan formulated in 1990. LKAB is gradually implementing automation from the unit to the entire plant with an advanced and optimized control strategy. The initial benefits are as follows: Increasing the productivity by 3% ~ 5%; Increasing the production by 10%; Reducing the cost and improving the product quality. The article elaborates from the whole factory control principle, the unit control present situation, the implementation procedure, the question analysis and so on.