用于DCS系统性能优化的FCOR算法可用于工业控制领域,对石油、石化、冶金、电力、化工等行业普遍使用的DCS进行性能优化。本算法是将单输入单输出(SISO)系统的FCOR(FILTERING AND CORRELATION)算法推广到多输入多输出(MIMO)系统中。在知道一个多输入多输出系统的内作用(INTERACTOR)矩阵以后,利用本算法,我们使用一组日常的生产数据,就可以计算一个多变量系统的性能指标。即可以计算系统总的性能指标,也可以计算每个输出回路的性能指标。
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[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001878s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001294s ]
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[ SQL ] SELECT * FROM `tb_tech` WHERE `id` = 186345 LIMIT 1 [ RunTime:0.001035s ]
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[ SQL ] SELECT `realname` FROM `tb_admin` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000795s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001088s ]
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[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 186345 AND `check_status` = 1 AND `category_id` = 135 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.017589s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 186345 AND `check_status` = 1 AND `category_id` = 135 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.051502s ]
[ SQL ] select id,title,tag,submit_date from tb_tech where check_status=1 and id<>186345 order by submit_date desc limit 10 [ RunTime:0.003365s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001419s ]
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[ DB ] CONNECT:[ UseTime:0.001314s ] mysql:host=mccbfzy.mysql.polardb.rds.aliyuncs.com;port=3306;dbname=ysscdb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001332s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001151s ]
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1020
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